A battery cell assembly (1) is disclosed. A first battery cell (10-13) and a second battery cell (10-13) are received in a cell housing (40) of the assembly (1) and a terminal extending from the top of the first battery cell is received in a first opening (202, 203) formed in a cell mounting frame (20, 30) and a terminal extending from the top of the second battery cell is received in a second, separate opening formed in the cell mounting frame (20, 30). The cell mounting frame (20, 30) is fastened to the cell housing (40) such that the first battery cell and second battery cell are each clamped between the floor (42) of cell housing and a shoulder (210) of the cell mounting frame. A method of assembling a battery cell assembly is also disclosed.
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/296 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by terminals of battery packs
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
H01M 50/55 - Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
Embodiments are directed towards a computer-implemented method for managing a recharge session for an electric vehicle (EV) battery is provided. The method may include encrypting a session identifier, embedding the encrypted session identifier into a text message, and encoding the text message into a scannable QR code. In response to scanning the QR code, the method may cause the text message to be decoded on an end-user device. The method may cause a messaging app on the end-user device to automatically open with a predetermined recipient address and a message body pre-populated with the decoded text message. The method may further cause the decoded text message to be stored on one or more cloud-based servers. The method may also include extracting the encrypted session identifier from the decoded text message, decrypting the session identifier embedded in the text message, and obtaining session information based on the decrypted session identifier.
H04W 4/14 - Short messaging services, e.g. short message service [SMS] or unstructured supplementary service data [USSD]
B60L 53/30 - Constructional details of charging stations
B60L 53/66 - Data transfer between charging stations and vehicles
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
H04W 12/03 - Protecting confidentiality, e.g. by encryption
3.
SYSTEM AND METHOD FOR MANAGING A RECHARGE SESSION FOR AN ELECTRIC-VEHICLE (EV) BATTERY
Embodiments are directed towards a computer-implemented method for managing a recharge session for an electric vehicle (EV) battery is provided. The method may include encrypting a session identifier, embedding the encrypted session identifier into a text message, and encoding the text message into a scannable QR code. In response to scanning the QR code, the method may cause the text message to be decoded on an end-user device. The method may cause a messaging app on the end-user device to automatically open with a predetermined recipient address and a message body pre-populated with the decoded text message. The method may further cause the decoded text message to be stored on one or more cloud-based servers. The method may also include extracting the encrypted session identifier from the decoded text message, decrypting the session identifier embedded in the text message, and obtaining session information based on the decrypted session identifier.
B60L 53/30 - Constructional details of charging stations
G06F 16/955 - Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06Q 20/32 - Payment architectures, schemes or protocols characterised by the use of specific devices using wireless devices
G06F 21/62 - Protecting access to data via a platform, e.g. using keys or access control rules
B60L 53/60 - Monitoring or controlling charging stations
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Battery energy storage systems (BESS) for commercial and industrial facilities; Grid scale battery energy storage hardware; battery modules and packs for stationary energy storage; Power conversion systems (PCS) and inverters for stationary energy storage; Battery management systems (BMS) comprised of electronic sensors, controllers and firmware for monitoring, balancing and controlling stationary battery cells and packs. Installation, commissioning, maintenance and repair of battery energy storage systems and associated power conversion equipment for commercial, industrial and utility applications; Advisory services relating to the installation of battery management systems for stationary battery packs. Software as a service (SaaS) featuring software for monitoring, forecasting, optimizing and controlling the charge and discharge of battery energy storage systems; Platform as a service (PaaS) for battery analytics, state of health prediction and lifecycle optimization; Software for energy management systems (EMS) enabling demand response, peak shaving and participation in grid services markets.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Battery energy storage systems (BESS) for commercial and industrial facilities; grid scale battery energy storage hardware; battery modules and packs for stationary energy storage; power conversion systems (PCS) and inverters for stationary energy storage; battery management systems (BMS) comprised of electronic sensors, controllers and firmware for monitoring, balancing and controlling stationary battery cells and packs; all of the foregoing expressly excluding batteries, accumulators Installation, maintenance and repair of battery energy storage systems and associated power conversion equipment for commercial, industrial and utility applications; advisory services relating to the installation of battery management systems for stationary battery packs Software as a service (SAAS) services featuring software for monitoring, forecasting, optimizing and controlling the charge and discharge of battery energy storage systems; platform as a service (PaaS) for battery analytics, state of health prediction and lifecycle optimization; software for energy management systems (EMS) enabling demand response, peak shaving and participation in grid services markets
The present invention concerns a battery. More particularly, but not exclusively, this invention concerns a battery module comprising a battery module housing. A plurality of battery cells within the battery module housing comprise a cell vent configured to expel excess gas emitted from the battery cell. A venting channel comprises a plurality of venting apertures located aligned with the cell vents, and is arranged to direct gas emitted from the cell vents towards a vent in the battery module housing. The venting channel also secures the cell stack in position within the battery housing and comprises a plurality of wiring apertures. Battery module wiring passes through the wiring apertures and runs along the venting channel.
H01M 50/233 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions
H01M 50/298 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the wiring of battery packs
The invention relates to a battery and battery busbar. The battery busbar comprises a conducting contact plate configured to contact a terminal of a first battery cell and a terminal of a second battery cell. A lip or lips extend perpendicular to the contact plate, such that the lip or lips engage with an external perimeter of one or both of the terminal of the first battery cell and terminal of the second battery cell. This secures the busbar in position with respect to the terminals of the first battery cell and second battery cell in at least two directions. The busbar may then be secured in position relative to the terminals in a third direction, for example by welding or mechanical fasteners.
H01M 50/505 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising a single busbar
A planar electrical transformer for a DC/DC converter comprises first and second stacked structures. Each stacked structure comprises a set of primary winding layers comprising first and second pairs of layers, and a set of secondary winding layers comprising first and second pairs of layers. The set of secondary winding layers is arranged between the first pair of layers of the set of primary winding layers and the second pair of layers of the set of primary winding layers. The first stacked structure and the second stacked structure are arranged such that a layer of the set of primary winding layers of the first structure faces a layer of the set of primary winding layers of the second structure across an air gap.
H01F 27/34 - Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
Methods, systems, and devices for transferring energy and communications signals via inductive coupling to an on-board coil of an electric vehicle. As an example, a charging apparatus may include a plurality of power transfer coils; and a controller, configured to: detect a presence of the vehicle in a proximity of the charging apparatus; identify a power transfer coil from the plurality of power transfer coils to activate based on a position of the vehicle relative to the charging apparatus: and activate the identified power transfer coil.
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
B60L 53/122 - Circuits or methods for driving the primary coil, i.e. supplying electric power to the coil
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
A charging station for charging electric vehicles. The charging station comprises a direct current, DC, bus arranged to receive power from one or more external energy sources. The charging station also comprises a battery coupled to the DC bus, the battery being arranged to charge via power received from the one or more external energy sources via the DC bus. The charging station also comprises one or more DC/DC converters coupled to the DC bus. The one or more DC/DC converters are arranged to draw DC power from the battery, via the DC bus, and output DC power to one or more electric vehicles via one or more charging connections, to charge the one or more electric vehicles.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
A battery cell assembly (1) is disclosed. A first battery cell (10-13) and a second battery cell (10-13) are received in a cell housing (40) of the assembly (1) and a terminal extending from the top of the first battery cell is received in a first opening (202, 203) formed in a cell mounting frame (20, 30) and a terminal extending from the top of the second battery cell is received in a second, separate opening formed in the cell mounting frame (20, 30). The cell mounting frame (20, 30) is fastened to the cell housing (40) such that the first battery cell and second battery cell are each clamped between the floor (42) of cell housing and a shoulder (210) of the cell mounting frame. A method of assembling a battery cell assembly is also disclosed.
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/528 - Fixed electrical connections, i.e. not intended for disconnection
H01M 50/55 - Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
A method of assembling a bipole frame assembly for a bipolar battery, includes: providing a bipole frame including first and second opposite surfaces and a plurality of through holes; receiving a shaft of an electrical joint in each through hole such that a first head of the electrical joint is on the first surface of the bipole frame; and compressing a distal end of the shaft to form a second head of the electrical joint that is on the second surface of the bipole frame, the second head having a diameter greater than that of the shaft and the shaft completely filling the through hole.
The invention relates to a battery and battery busbar. The battery busbar comprises a conducting contact plate configured to contact a terminal of a first battery cell and a terminal of a second battery cell. A lip or lips extend perpendicular to the contact plate, such that the lip or lips engage with an external perimeter of one or both of the terminal of the first battery cell and terminal of the second battery cell. This secures the busbar in position with respect to the terminals of the first battery cell and second battery cell in at least two directions. The busbar may then be secured in position relative to the terminals in a third direction, for example by welding or mechanical fasteners.
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/505 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising a single busbar
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
The present invention concerns a battery. More particularly, but not exclusively, this invention concerns a battery module comprising a battery module housing. A plurality of battery cells within the battery module housing comprise a cell vent configured to expel excess gas emitted from the battery cell. A venting channel comprises a plurality of venting apertures located aligned with the cell vents, and is arranged to direct gas emitted from the cell vents towards a vent in the battery module housing. The venting channel also secures the cell stack in position within the battery housing and comprises a plurality of wiring apertures. Battery module wiring passes through the wiring apertures and runs along the venting channel.
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/298 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the wiring of battery packs
H01M 50/308 - Detachable arrangements, e.g. detachable vent plugs or plug systems
H01M 50/358 - External gas exhaust passages located on the battery cover or case
H01M 50/367 - Internal gas exhaust passages forming part of the battery cover or caseDouble cover vent systems
The present invention concerns a fire safety arrangement for a battery. More particularly, but not exclusively, this invention concerns a fire safety arrangement for a metal ion battery, for example a lithium ion battery. A metal ion battery cell comprises a plurality of electrodes and an electrolyte encased within a housing. The housing comprises a safety valve or vent configured to allow gas build up within the housing to vent outside the housing. A fabric band surrounds the housing, such that the fabric band covers the safety valve or vent. This may allow gas to pass through the fabric band, but contain sparks generated by the battery cell within the fabric band.
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
The present invention concerns a fire safety arrangement for a battery. More particularly, but not exclusively, this invention concerns a fire safety arrangement for a metal ion battery, for example a lithium ion battery cell.
The present invention concerns a fire safety arrangement for a battery. More particularly, but not exclusively, this invention concerns a fire safety arrangement for a metal ion battery, for example a lithium ion battery cell.
A metal ion battery cell comprises a plurality of electrodes and an electrolyte encased within a housing. The housing comprises a safety valve or vent configured to allow gas build up within the housing to vent outside the housing, and a felt filter covering the safety valve or vent, such that gas may pass through the felt filter, but sparks are contained within the felt filter.
The present invention concerns a fire safety arrangement for a battery. More particularly, but not exclusively, this invention concerns a fire safety arrangement for a metal ion battery, for example a lithium ion battery cell. The metal ion battery cell comprises a plurality of electrodes and an electrolyte encased within a housing. The housing comprises a safety valve or vent to allow gas build up within the housing to vent outside the housing, and a fabric envelope surrounding the housing. Any sparks generated by the battery are contained within the fabric envelope, thereby reducing or eliminating the chances of fire or explosion.
H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/116 - Primary casingsJackets or wrappings characterised by the material
H01M 50/172 - Arrangements of electric connectors penetrating the casing
H01M 50/383 - Flame arresting or ignition-preventing means
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
19.
BATTERY MODULES WITH ANTI-ARCING, HOT SWAPPING, AND/OR SELF-DISABLING FEATURES
Battery modules with anti-arcing, hot swapping, and/or self-disabling features are provided, as are systems and methods related thereto. For example, an electrical power system configured to provide backup electrical power to a load may include a battery rack having a bus configured to provide power. The system may include a battery module configured to couple with the bus and receive power therefrom, the battery module may include battery cells coupled to a pre-charge electrical path and a main electrical path, and a module controller configured to: detect that the battery module has been inserted into the battery rack, and pre-charge the battery cells of the battery module via the pre-charge electrical path until a voltage level of the battery cells may be synchronized with a voltage level of the bus.
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
20.
BATTERY MODULES WITH ANTI-ARCING, HOT SWAPPING, AND/OR SELF-DISABLING FEATURES
Battery modules with anti-arcing, hot swapping, and/or self-disabling features are provided, as are systems and methods related thereto. For example, an electrical power system configured to provide backup electrical power to a load may include a battery rack having a bus configured to provide power. The system may include a battery module configured to couple with the bus and receive power therefrom, the battery module may include battery cells coupled to a pre-charge electrical path and a main electrical path, and a module controller configured to: detect that the battery module has been inserted into the battery rack, and pre-charge the battery cells of the battery module via the pre-charge electrical path until a voltage level of the battery cells may be synchronized with a voltage level of the bus.
Methods, systems, and devices for transferring energy and communications signals via inductive coupling to an on-board coil of an electric vehicle. As an example, a charging apparatus may include a plurality of power transfer coils; and a controller, configured to: detect a presence of the vehicle in a proximity of the charging apparatus; identify a power transfer coil from the plurality of power transfer coils to activate based on a position of the vehicle relative to the charging apparatus; and activate the identified power transfer coil.
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
22.
METHODS, SYSTEMS, AND DEVICES FOR INDUCTIVE CHARGING OF VEHICLE BATTERIES
Methods, systems, and devices for transferring energy and communications signals via inductive coupling to an on-board coil of an electric vehicle. As an example, a charging apparatus may include a plurality of power transfer coils; and a controller, configured to: detect a presence of the vehicle in a proximity of the charging apparatus; identify a power transfer coil from the plurality of power transfer coils to activate based on a position of the vehicle relative to the charging apparatus; and activate the identified power transfer coil.
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
B60L 53/126 - Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
23.
BIDIRECTIONAL ELECTRICAL SYSTEMS WITH HIGH-VOLTAGE VERSATILE BATTERY PACKS
Bidirectional electrical power systems are provided that include versatile battery packs. For example, a battery pack is introduced which may have both a first interface or port for high voltage fast charging and discharging, and a second interface or port for low voltage supply of power to present equipment without requiring modification or retrofitting. The battery pack may include, for example, a first battery module within the battery pack; a second battery module within the battery pack; and a switching matrix within the battery pack and configured to connect the first and second battery modules in series or in parallel.
Direct current fast charging systems and devices with grid tied energy storage systems. As an example, a multi-unit charging system may include first and second charging stations, each of the first and second charging stations comprising a respective charger configured to transfer energy to an electric vehicle and a respective energy storage system configured to store energy, and a distribution network configured to connect each of the first and second charging stations to an electrical grid.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/67 - Controlling two or more charging stations
B60L 53/30 - Constructional details of charging stations
Bidirectional electrical power systems are provided that include versatile battery packs (110). For example, a battery pack is introduced which may have both a first interface or port (140) for high voltage fast charging and discharging, and a second interface or port (150) for low voltage supply of power to present equipment without requiring modification or retrofitting. The battery pack may include, for example, a first battery module (120-1) within the battery pack; a second battery module (120-2) within the battery pack; and a switching matrix (130) within the battery pack and configured to connect the first and second battery modules in series or in parallel.
Direct current fast charging systems and devices with grid tied energy storage systems. As an example, a multi-unit charging system may include first and second charging stations, each of the first and second charging stations comprising a respective charger configured to transfer energy to an electric vehicle and a respective energy storage system configured to store energy, and a distribution network configured to connect each of the first and second charging stations to an electrical grid.
A battery includes: a case including a bottom wall, a front wall, aback wall, a left side wall, and a right side wall opposite the left side wall; a lid on the case opposite the bottom wall; at least one first elongated rib on the left side wall and extending outwardly away from the left side wall a first distance; and at least one second elongated rib on the right side wall and extending outwardly away from the right side wall a second distance that is the same as the first distance.
Measures, including methods and apparatuses, for use in operating a wireless electromagnetic induction charger. Excitation of a primary charging coil of the wireless charger is caused to generate an electromagnetic field for wireless charging. The generated electromagnetic field induces a first voltage across a first detection coil and a second voltage across a second detection coil. A disparity between the first and second voltages is monitored. The disparity is caused by the presence of an object in the vicinity of the first or second detection coils. In response to the monitoring indicating a disparity, the excitation is caused to cease.
H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
29.
Wireless power transfer system and method of controlling a wireless power transfer system
A method of controlling a wireless power transfer system. The wireless power transfer system comprises an electromagnetic induction charger operable to emit electromagnetic radiation into an environment of the charger, motion sensor equipment operable to generate an output indicating whether or not a moving object is present in the environment, and a controller. The controller is configured to receive the output from the motion sensor equipment, determine whether the received output indicates that a moving object is present in a predefined region of the environment, and in response to a positive determination, prevent the charger from emitting electromagnetic radiation.
H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
B60L 53/124 - Detection or removal of foreign bodies
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/38 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
G01S 13/56 - Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
30.
BIPOLE FRAME WITH IMPROVED ELECTRICAL CONNECTION AND BIPOLAR BATTERIES INCLUDING THE SAME
A bipole frame assembly for a bipolar battery includes: a bipole frame including first and second opposite surfaces and a plurality of solder through holes; a negative bipole lead sheet on the first surface of the bipole frame; a positive bipole lead sheet on the second surface of the bipole frame; and a plurality of solder joints with one at each of the plurality of solder through holes. Each solder joint may include a central portion that fills the solder through hole, a first outer portion on the first surface of the bipole frame and between the bipole frame and the negative bipole lead sheet, and a second outer portion on the second surface of the bipole frame and between the bipole frame and the positive bipole lead sheet.
A bipole frame assembly for a bipolar battery includes: a bipole frame including first and second opposite surfaces; a negative bipole lead sheet on the first surface of the bipole frame; a positive bipole lead sheet on the second surface of the bipole frame; a continuous first track of sealant on each of the first and second surfaces; and a plurality of continuous second tracks of sealant on each of the first and second surfaces. The first track of sealant and the plurality of second tracks of sealant on the first surface are between the bipole frame and the negative bipole lead sheet, and the first track of sealant and the plurality of second tracks of sealant on the second surface are between the bipole frame and the positive bipole lead sheet.
H01M 10/04 - Construction or manufacture in general
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 10/18 - Lead-acid accumulators with bipolar electrodes
32.
IMPROVED BIPOLAR BATTERY TERMINAL SEAL AND RELATED ASSEMBLIES AND METHODS
An end frame assembly for a bipolar battery includes: an end frame including first and second opposite surfaces; a terminal including a terminal pad on the first surface of the end frame; a lead sheet on the first surface of the end frame; and at least one track of sealant between the first surface of the end frame and the lead sheet and surrounding the terminal pad.
H01M 10/04 - Construction or manufacture in general
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 10/18 - Lead-acid accumulators with bipolar electrodes
H01M 50/547 - Terminals characterised by the disposition of the terminals on the cells
33.
METHODS, SYSTEMS, AND DEVICES FOR CHARGING ADVANCED SEALED LEAD ACID BATTERIES
Some battery chemistries, such as "advanced carbon" battery chemistries may have improved battery health if maintained with longer intervals between "full" recharge. Accordingly, methods, systems, and devices are provided in which a state of charge of a battery is determined; the state of charge of the battery is compared to at least one threshold; a charge profile is selected from a plurality of charge profiles based on a result of the comparison of the state of charge of the battery to the at least one threshold; and a charger configured to charge the battery is modified based on the selected charge profile.
An electrical transformer and method of manufacturing an electrical transformer. The electrical transformer comprises a set of primary windings comprising first and second primary windings connected in parallel and first and second sets of secondary windings. Each of the first and second sets comprises a plurality of secondary windings that are connected in parallel. The secondary windings of the first set are electrically isolated from the secondary windings of the second set. The set of primary windings and the first and second sets of secondary windings are arranged in a stacked structure in which the secondary windings of the first set are interleaved with the secondary windings of the second set, and at least one secondary winding of the first set and/or at least one secondary winding of the second set is arranged between the first and second primary windings.
A method of controlling a wireless power transfer system comprising a primary stage and a secondary stage is provided. The primary stage comprises a DC/DC converter configured to generate a DC output, a DC/AC inverter configured to receive the DC output and to generate an AC output according to a variable switching frequency, and a primary coil configured to transfer power to the secondary stage in response to the DC/AC inverter generating the AC output. The switching frequency of the DC/AC inverter is adjusted to cause a phase angle between an input current and an input voltage of the primary coil to be less than or equal to a predetermined threshold. The DC output of the DC/DC converter is controlled to cause a desired amount of power to be transferred from the primary coil at the adjusted switching frequency.
An AC/DC power converter includes an input port configured to receive an AC power signal, a first transformer coupled to the input port, the first transformer comprising first and second primary windings and at least a first secondary winding, and a second transformer coupled to the input port, the second transformer comprising third and fourth primary windings and at least a second secondary winding. The first primary winding of the first transformer is coupled in series with the third primary winding of the second transformer, the second primary winding of the first transformer is coupled in series with the fourth primary winding of the second transformer, and the first secondary winding and the second secondary winding are coupled in parallel.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
An AC/DC power converter includes an input port configured to receive an AC power signal, a first transformer coupled to the input port, the first transformer comprising first and second primary windings and at least a first secondary winding, and a second transformer coupled to the input port, the second transformer comprising third and fourth primary windings and at least a second secondary winding. The first primary winding of the first transformer is coupled in series with the third primary winding of the second transformer, the second primary winding of the first transformer is coupled in series with the fourth primary winding of the second transformer, and the first secondary winding and the second secondary winding are coupled in parallel.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/25 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only arranged for operation in series, e.g. for multiplication of voltage
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
A battery includes: a case including a bottom wall, a front wall, a back wall, a left side wall, and a right side wall opposite the left side wall; a lid on the case opposite the bottom wall; at least one first elongated rib on the left side wall and extending outwardly away from the left side wall a first distance; and at least one second elongated rib on the right side wall and extending outwardly away from the right side wall a second distance that is the same as the first distance.
Methods, systems, and devices that include improvements to determining properties of a battery are described. For example, a method may include measuring one or more properties of a battery; determining a charging status of the battery based on the measured one or more properties; and updating one or more predictions of properties of the battery based on the determined charging status of the battery, wherein the one or more predictions comprises a prediction of a remaining time to charge the battery and/or a prediction of a remaining time to discharge the battery, resulting in updated one or more predictions of the properties of the battery.
Methods, systems, and devices that include improvements to determining properties of a battery are described. For example, a method may include measuring one or more properties of a battery by a device communicatively coupled to the battery; transmitting the measured one or more properties to a computing device located remotely from the battery; detecting, by the computing device and based on the measured one or more properties, one or more anomalous conditions within the battery; and transmitting, by the computing device, an indication of the one or more anomalous conditions.
An electrical energy storage device has electrodes positioned in a case. A feedthrough pin extends through a portion of the case. A sealant surrounds the feedthrough pin and contacts a component of the device. A seal activator is received in the sealant such that the pressure that the sealant applies to the component increases above the level of pressure that the sealant applies to the component before the sealant activator is received in the sealant. In some instances, the component is the feedthrough pin.
09 - Scientific and electric apparatus and instruments
35 - Advertising and business services
Goods & Services
Batteries; lead acid batteries; industrial batteries;
auxiliary battery packs; battery chargers; lead acid
batteries used for marine applications, namely, boats, jet
and water skis, and battery charges used in connection
therewith; industrial batteries used in starting vehicle
engines, namely, cars and trucks; batteries used in reserve
power applications, namely, uninterruptible power sources
and backup power. Advertising; marketing; promotional services; retail
services in relation to batteries and battery chargers.
44.
Battery having electrolyte including multiple passivation layer forming components
The battery includes an electrolyte activating a positive electrode and a negative electrode. The electrolyte includes a plurality of salts in a solvent, one or more passivation salts in the solvent, and one or more passivation additives in the solvent. At least one of the passivation salts forms a passivation layer on the negative electrode during discharge of the battery and includes both lithium and boron. At least one of the salts is an inorganic lithium salt that excludes boron. The solvent includes one or more organic solvents. At least one of the passivation additives forms a passivation layer on the negative electrode during discharge of the battery and is not a salt. The positive electrode has one or more positive active materials that each include a lithium transition-metal oxide and the negative electrodes includes a negative active material selected from a group consisting of lithium metal and graphite.
A battery has an electrode with a layer of an active medium. The layer of active medium includes multiple active particles. Each active particle includes a shell that encloses one or more cores. Each of the cores includes one or more active materials. The battery is constructed such to have a State of Charge (SOC) that is greater than 0% before the initial operation (discharge or charge) of the battery.
The present invention concerns a method and apparatus for battery charging. The method comprises the steps of connecting a battery to a battery charging apparatus and supplying a voltage and current to the battery, wherein a constant voltage is supplied for an extended period of time. At the beginning of the constant voltage being supplied, the initial charging current being supplied to the battery is noted (Amp). During the period in which a constant voltage is supplied, the rate of change of the charging current supplied to the battery (dl/dt) is monitored. The method includes calculating the ratio: K=Amp/(dl/dt) during the period in which a constant voltage is supplied, and when K equals a preselected value, maintaining the charging current at the instant value for an extended period of time.
09 - Scientific and electric apparatus and instruments
35 - Advertising and business services
Goods & Services
Batteries; lead acid batteries; industrial batteries; auxiliary battery packs; battery chargers; lead acid batteries used for marine applications, namely, boats, jet and water skis, and battery charges used in connection therewith; industrial batteries used in starting vehicle engines, namely, cars and trucks; batteries used in reserve power applications, namely, uninterruptible power sources and backup power. Advertising; marketing; promotional services; retail services in relation to batteries and battery chargers.
48.
Substrate providing electrical communication between power sources
A substrate is physically attached to the terminals of multiple different power sources. The substrate includes multiple electrical conductors. Each of the electrical conductors is immobilized along its length relative to the substrate. The electrical conductors include interconnect lines and sensing lines. The interconnect lines provide electrical communication between the power sources. At least one of the sensing lines carries an electrical signal indicating a voltage across one or more of the power sources. Electronics that are immobilized on the substrate employ the electrical signal to determine the voltage across the one or more power sources.
The invention relates to a battery system (10). In particular, a battery system comprising a first battery (12) and a second battery (14). The first battery and second battery are associated with at least one locking element (32) which extends away from the batteries (12, 14). A locking plate (38) is provided, the locking plate comprising an aperture (44) for receiving the at least one locking element (32). Further, a locking device is provided for locking the at least one locking element (32) and the locking plate (38) together.
The present invention concerns a method and apparatus for battery charging. The method comprises the steps of connecting a battery to a battery charging apparatus and supplying a voltage and current to the battery, wherein a constant voltage is supplied for an extended period of time. At the beginning of the constant voltage being supplied, the initial charging current being supplied to the battery is noted (Amp). During the period in which a constant voltage is supplied, the rate of change of the charging current supplied to the battery (dl/dt) is monitored. The method includes calculating the ratio: K = Amp / (dl/dt) during the period in which a constant voltage is supplied, and when K equals a preselected value, maintaining the charging current at the instant value for an extended period of time.
The secondary battery includes one or more anodes that include amorphous carbon and a carbon fiber. In some instances, the one or more anodes exclude graphite. The battery also includes one or more cathodes and an electrolyte in contact with the one or more anodes. The electrolyte includes one or more lithium salts in a solvent.
The battery includes a cathode configured to generate oxygen ions during discharge of the battery. The battery also includes an oxygen ion-conducting electrolyte that receives the oxygen ions from the cathode during discharge of the battery. The battery further includes an anode that has an anode active medium positioned in the pores of a porous anode current collector. The anode active medium receives the oxygen ions conducted through the oxygen ion conducting electrolyte during discharge of the battery. Additionally, the anode active medium includes an elemental metal that reacts with the oxygen ions to form a metal oxide during discharge of the battery.
H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 12/06 - Hybrid cellsManufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
The battery includes an electrode having an active medium on a current collector. The active medium includes one or more active materials. The current collector includes or consists of carbon nanotubes. The electrical conductivity and weight of carbon nanotubes permit the weight of the battery to be reduced while the energy density and the power density of the battery are increased.
H01M 10/0583 - Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with ‘’Z’’-shaped electrodes or separators
The battery has an electrode assembly that includes one or more anodes and one or more cathodes. A first liquid phase is positioned in an active region of the electrode assembly. The first phase includes a first fire retardant and an electrolyte. A second liquid phase is in contact with the first liquid phase. The second liquid phase includes a second fire retardant that is different from the first fire retardant.
06 - Common metals and ores; objects made of metal
09 - Scientific and electric apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Replacement parts for metal-based electrical cabinets, namely, doors and latches. Metal-based electrical cabinets, namely, electrical cabinets and enclosures, battery cabinets, environmentally-controlled electrical cabinets; replacement parts for metal-based electrical cabinets, namely, battery boxes, cable entry plates; electrical telecommunications components and devices; battery components, namely, battery boxes and expandable rack components for batteries; power sources, namely, electrical power distribution units; DC [direct current] power systems; anti-theft and anti-tampering alarms. Replacement parts for metal-based electrical cabinets, namely, gaskets.
A battery pack system is disclosed. The battery pack system includes a plurality of battery pack modules that are each configured to be concurrently and removably attached to a base. Each battery pack module includes batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group includes a plurality of batteries connected in parallel. Additionally or alternately, the base has electronics that connect the battery pack modules in a plurality of system parallel groups that are connected in series. Each system parallel group includes a plurality of battery pack modules connected in parallel.
The battery includes a solid electrolyte activating a positive electrode and a negative electrode. The electrolyte is a solid including a lithium ion conductive glass-ceramic. The negative electrode includes a buffer layer between a negative medium and the electrolyte. The negative medium includes one or more primary negative active materials. The buffer layer includes one or more secondary negative active materials that do not dissolve the lithium ion conductive glass-ceramic. The secondary negative active materials can have a redox potential greater than 0.5 V vs Li/Li+.
The battery pack includes a case that contains batteries and includes terminals through which power from the batteries can be accessed. The battery pack also includes a frame that defines battery receiving compartments that are each configured to receive one of the batteries with the frame immobilizing the position of each battery relative to the other batteries. The frame has a perimeter and at a portion of the frame perimeter serves as an outermost wall of the case.
The electrochemical device includes a composite electrode. The composite electrode has a working electrode that includes a current collector. A reference electrode is immobilized on the current collector. The reference electrode includes a reference active medium on a reference current collector. The reference current collector is electrically insulated from the current collector. A top surface of the reference electrode is substantially flush with a top surface of the working electrode. The top surface of the reference electrode is a surface of the reference electrode that is substantially parallel to the reference current collector.
Formation of an electrochemical device includes removing a layer of a metal oxide from battery components so as to define a weld region and an exposed region on the components. A surface of the weld region includes the metal oxide and a surface of the exposed region includes the metal oxide at a lower concentration than the weld region. The method also includes arranging the components such that a seam is defined between the components with weld regions positioned on opposing sides of the seams. The method further includes contacting at least one of the weld regions with a laser while laser welding the components together along the seam.
06 - Common metals and ores; objects made of metal
09 - Scientific and electric apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Metal-based electrical cabinets, namely, electrical cabinets and enclosures, battery cabinets, thermal cabinets and enclosures for electrical equipment, replacement parts for metal-based electrical cabinets, namely, doors, latches, gaskets, battery boxes, cable entry plates; battery components, namely, battery boxes and expandable rack components for batteries; power sources, namely, electrical power distribution units.
(2) Metal-based electrical cabinets, namely, electrical cabinets and enclosures, battery cabinets, thermal cabinets and enclosures for electrical equipment, replacement parts for metal-based electrical cabinets, namely, doors, latches, gaskets; battery components, namely, battery boxes and expandable rack components for batteries; power sources, namely, electrical power distribution units.
06 - Common metals and ores; objects made of metal
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
17 - Rubber and plastic; packing and insulating materials
20 - Furniture and decorative products
Goods & Services
(1) Thermal cabinets and enclosures for electrical equipment and replacement parts thereof, namely, doors, latches, gaskets, battery boxes and cable entry plates; battery storage boxes; expandable rack components for storage of batteries; power sources, namely, electrical power distribution units.
(2) Environmental thermal control systems, namely, air conditioning units, thermo-electric coolers, forced air coolers, free air coolers, heat exchangers and electric heaters, for protection of batteries and electrical equipment against temperature difference and fluctuations.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Metal-based electrical cabinets, namely, electrical cabinets
and enclosures, battery cabinets, environmentally-controlled
electrical cabinets, and structural parts therefor, namely,
doors, latches, gaskets; battery components, namely, battery
boxes and expandable rack components for batteries;
electrical power distribution units; high-frequency
switching power supplies; power access port for use with
electrical control panels for connecting multiple data and
electrical devices; anti-theft and anti-tampering alarms. Environmental control units, namely heating, fan cooled, and
air conditioning apparatus.
A lead-acid battery comprises a flame arrestor plug (1) for controlled venting of gases from the battery through the vent hole (3), wherein the flame arrestor plug has a valve element (5) for controlling the venting of gas from the vent hole and a plug portion (4) which is adjacent to or in contact with the battery casing (2) around the vent hole and which, together with the battery casing, defines a flow path through which gases released through the valve element can escape from the battery, at least a portion of the flow path being of sufficiently narrow cross-section to prevent propagation of a flame along the flow path.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
37 - Construction and mining; installation and repair services
Goods & Services
Electrical apparatus, namely, telecommunications components
and devices, namely, batteries and battery components,
namely, vent caps and connector clamps, battery boxes,
expandable rack components for batteries, power sources,
namely, electrical power distribution units, high-frequency
switching power supplies, power access port for use with
electrical control panels for connecting multiple data and
electrical devices, computer hardware and anti-theft and
anti-tampering alarms; metal-based electrical cabinets,
namely, electrical cabinets and enclosures, battery
cabinets, environmentally-controlled electrical cabinets,
and replacement parts, namely, doors, latches, gaskets. Environmental control apparatus, namely, air conditioning
units, heaters and heating units. Installation upgrading and maintenance of remote outdoor
enclosures and cabinets, telecommunications components,
equipment enclosures, environmental equipment enclosures and
monitoring and modular components for the telecommunications
industry.
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
20 - Furniture and decorative products
Goods & Services
(1) Thermal cabinets and enclosures for electrical equipment and replacement parts thereof including doors, latches and gaskets; battery storage boxes; expandable rack components for storage of batteries; electrical power distribution units; DC [direct current] power systems; power access ports for use with electrical control systems for data and electrical systems; anti-theft and anti-tampering alarms
(1) Environmental thermal control systems for protection of batteries and electrical equipment, namely, air conditioning units and thermo-electric coolers.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Metal-based electrical cabinets, namely, electrical cabinets and enclosures, battery cabinets, environmentally-controlled electrical cabinets for protection of batteries and electrical equipment against temperature difference and fluctuations, and structural parts therefor, namely, doors, latches, gaskets; battery components, namely, battery boxes, expandable rack components for batteries; electrical power distribution units.
The invention provides a method and apparatus for operating a battery. The method comprises the following steps. The battery undergoing a first series of charge/discharge cycles, wherein the battery charging profile of the first series of charge/discharge cycles has a first regulation voltage. Monitoring the overall charge input and overall charge output during the first series of charge/discharge cycles and calculating the charge factor of the first series of charge/discharge cycles. The battery undergoing a second series of charge/discharge cycles, wherein the battery charging profile of the second series of charge/discharge cycles has a second regulation voltage. The second regulation voltage being determined in dependence on the calculated charge factor of the first series of charge/discharge cycles.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
The invention provides a method of identifying a battery (102) provided with a wireless battery control device (108), during a battery charging procedure. The method includes connecting the battery to a battery charger (100) and the battery charger supplying a first current to the battery. The wireless battery control device measures parameters relating to the first current. The battery charger generates and sends a first wireless interrogation signal, the wireless interrogation- signal including- information relating- to- parameters of the first current. The first wireless interrogation signal is configured such that a wireless battery control device receiving the interrogation signal compares the information relating to the parameters of the current being received by the associated battery to the information relating to the parameters of the first current that was supplied by the battery charger, and the wireless battery control device sends back a first wireless response signal should the information relating to the parameters match.
The invention relates to a method and apparatus for calculating the input current being drawn by a power converter. The power converter may be connected to and charging a battery and the method includes the steps of measuring the current and voltage being supplied to the battery, along with the frequency at which the power converter is operating. The voltage being supplied to the power converter may be calculated using a pre-determined relationship with the current and voltage being supplied to the power converter and the frequency of operation. The voltage being supplied to the converter may then be used to calculate the current being drawn by the converter.
H02M 3/338 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
74.
Electrochemical device having electrode in communication with clad tab
An electrochemical device has one or more electrodes in electrical communication with a tab assembly. The tab assembly includes a tab having one or more clad regions. Each clad region includes a metal clad onto the tab.
The battery includes an electrolyte activating a positive electrode and a negative electrode. The electrolyte includes a plurality of salts in a solvent, one or more passivation salts in the solvent, and one or more passivation additives in the solvent. At least one of the passivation salts forms a passivation layer on the negative electrode during discharge of the battery and includes both lithium and boron. At least one of the salts is an inorganic lithium salt that excludes boron. The solvent includes one or more organic solvents. At least one of the passivation additives forms a passivation layer on the negative electrode during discharge of the battery and is not a salt. The positive electrode has one or more positive active materials that each include a lithium transition-metal oxide and the negative electrodes includes a negative active material selected from a group consisting of lithium metal and graphite.
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
Goods & Services
Batteries; industrial batteries; battery chargers; battery accessories. Printed matter relating to batteries, battery chargers and battery accessories and to the promotion thereof.
77.
Battery having high rate and high capacity capabilities
The battery includes a cathode and an anode. The anode has a first medium that includes a first active material. The anode also has a second medium including a concentration gradient of a second active material. The battery also includes an electrolytic solution in contact with the cathode and the anode. In some instances, the first medium is positioned so as to protect at least a portion of the second medium from the electrolytic solution. The first medium can also be selected so as to dissipate during discharge of the battery. The first medium can be configured to dissipate enough that one or more of the protected regions of the second medium become exposed to the electrolytic solution during the discharge of the battery.
The power pack includes a plurality of parallel groups. Each parallel group includes a plurality of electrical power sources connected in parallel. The pack also includes a plurality of series groups. Each series group connects in series one of the power sources from each of the parallel groups. The pack also includes a series balancing circuit configured to balance the voltage of the power sources in one of the series groups such that one or more power sources in the series group recharges one or more other power sources in the same series group.
09 - Scientific and electric apparatus and instruments
Goods & Services
Batteries, cells and energy storage devices; battery
chargers and charging apparatus; battery monitoring devices
and apparatus; battery handling equipment.
The battery includes an electrolyte activating one or more cathodes and one or more anodes. The electrolyte includes one or more salts in a solvent. The solvent includes one or more organic solvents and one or more silanes and/or one or more siloxanes.
The invention relates to a method of operating a lead acid battery which undergoes discharging phases and charging phases in a cyclical fashion. The method involves monitoring the current discharged from the battery during a discharging phase and recording information relating to that current flow, such as the charge lost from the battery. During the subsequent charging phase, a desired amount of charge to be supplied to the battery is calculated based upon the recorded information, and then supplied to the battery.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/04 - Regulation of the charging current or voltage
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
A lead-acid battery comprises a flame arrestor plug (1) for controlled venting of gases from the battery through the vent hole (3), wherein the flame arrestor plug has a valve element (5) for controlling the venting of gas from the vent hole and a plug portion (4) which is adjacent to or in contact with the battery casing (2) around the vent hole and which, together with the battery casing, defines a flow path through which gases released through the valve element can escape from the battery, at least a portion of the flow path being of sufficiently narrow cross-section to prevent propagation of a flame along the flow path.
An improved emergency power system is disclosed for providing electrical power to a load such as a blowout preventer of a petroleum drilling apparatus. The improved emergency power system comprises a thermal battery having an anode and a cathode with a separator containing an electrolyte disposed therebetween. An internal heat layer is located in proximity to the separator containing the electrolyte. A squib is provided for activating the internal heat layer. The thermal battery remains dormant until the squib is energized to ignite the squib enabling the heat layer to render the electrolyte molten thereby activating battery to provide electrical power to the load. The squib may be energized remotely, mechanically or electrically.
A battery is disclosed. The battery includes an electrolyte activating one or more anodes and one or more cathodes. The electrolyte includes one or more salts dissolved in a solvent. The solvent includes one or more first siloxanes and/or one or more first silanes. Each of the first siloxanes and/or first silanes have one or more first substituents that each include a poly(alkylene oxide) moiety. The solvent also includes one or more second siloxanes and/or one or more second silanes. Each of the second siloxanes and/or second silanes have one or more second substituents that each include a carbonate moiety.
The electrochemical device assembly includes an anode tab in electrical communication with one or more anodes. The anode tab includes a first material. The assembly also includes a spacer having a third material and a fourth material. The third material is connected to the first material of the anode tab. The assembly also includes a cathode tab in electrical communication with one or more cathodes. The cathode tab includes a second material connected to the fourth material of the spacer. The second material is different from the first material and the fourth material is different from the third material.
Disclosed is an electric storage battery and method of making it, comprising a jellyroll electrode assembly in which electrodes are wound around a pin, and having one or more spacers at or near the inner ends of the electrodes to aid in winding the jellyroll. Also disclosed is an electric storage battery, and method of making it, comprising a jellyroll electrode assembly in which electrodes are wound around a pin, and having a plastic slotted tube closely fitted around the pin and covering the junction of the pin to an electrode substrate or interface material coupled to the electrode substrate. The spacers and plastic slotted tube may be used separately or together.
A battery includes a case having an interior holding an electrolyte activating one or more anodes and one or more cathodes. A cover is positioned on the case. The cover includes one or more quenching media that each has a phase transition that occurs at a temperature above a failure temperature of the battery and below a failure temperature of the battery. The failure temperature is the temperature at which a chain reaction associated with thermal runaway is initiated. The failure temperature of the battery is the temperature of the battery at which the thermal runaway causes failure of the battery.
The battery includes a cover assembly on a battery case. The cover assembly includes a battery cover coupled with an electrically insulating flap of material. The battery can include a first electrical connector that provides electrical communication between a terminal in the cover and one or more first electrodes in the battery. The first connector is at least partially positioned between a first region of the flap and a second region of the flap. The battery can also includes a second electrical connector that provides electrical communication between the cover and one or more second electrodes in the battery. The second connector passes between the flap and the case such that a portion of the flap is between the first connector and the second connector.
An electrode system includes one or more separator materials formed into a bag having at least two seams. The seams are positioned so as to define the perimeter of a pocket configured to receive an electrode within the bag. At least one gap is formed between seams adjacent to one another along the perimeter of the pocket. Additionally, at least one of the seams includes a spacer positioned between portions of the one or more separator materials joined by the at least one seam.
The invention relates to a method of operating a lead acid battery which undergoes discharging phases and charging phases in a cyclical fashion. The method involves monitoring the current discharged from the battery during a discharging phase and recording information relating to that current flow, such as the charge lost from the battery. During the subsequent charging phase, a desired amount of charge to be supplied to the battery is calculated based upon the recorded information, and then supplied to the battery.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/04 - Regulation of the charging current or voltage
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
The invention relates to a method of operating a lead acid battery in which the battery is monitored during the discharging and charging of the battery, and information relating to the discharging and/or charging history of the battery, such as the total charge supplied to the battery over its lifetime, is recorded, and the voltage applied during the charging of the battery is adjusted in dependence upon that information.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/04 - Regulation of the charging current or voltage
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
09 - Scientific and electric apparatus and instruments
Goods & Services
Industrial motive power batteries used in industrial vehicles and equipment, namely, fork lifts and lift trucks and battery chargers used in connection therewith
97.
Pack assembly having interconnected battery packs configured to be individually disconnected from assembly
A battery pack system is disclosed. The battery pack system includes a battery pack having batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group includes a plurality of the batteries connected in parallel. The electronics are configured to drop the current at which the battery pack is operating from a first current level to a second current level one or more times. The second current level is lower than the first current level. The electronics can drop the current from the first current level to the second current level during the charge and/or discharge of the battery pack. In some instances, the electronics intermittently drop the current from the first current level to the second current level during the charge and/or discharge of the battery pack.
