Disclosed herein is a mother slurry comprising high aspect ratio carbonaceous material, a solvent, a dispersant agent comprising hydrogenated nitrile butadiene rubber (HNBR) and a cathode active material. A solvent free method of preparing an electrode slurry including a carbonaceous conductive material, a plasticizer, an active material, and a polymer binder to from an electrode slurry. The electrode slurry has a fluorine content of less than about 900 parts per million.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
Disclosed herein is an apparatus comprising an electrode active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network and enmeshed in the network; and a surface treatment on the surface of the high aspect ratio carbon elements which promotes adhesion between the high aspect ratio carbon elements and the active material particles.
H01B 1/04 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement soit de compositions à base de carbone-silicium, soit de carbone soit de silicium
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
3.
ADVANCED ELECTROLYTE SYSTEMS AND THEIR USE IN ENERGY STORAGE DEVICES
An ultracapacitor that includes an energy storage cell immersed in an advanced electrolyte system and disposed within a hermetically sealed housing, the cell electrically coupled to a positive contact and a negative contact, wherein the ultracapacitor is configured to output electrical energy within a temperature range between about −40 degrees Celsius to about 210 degrees Celsius. Methods of fabrication and use are provided.
A solvent free method of preparing an electrode slurry including a carbonaceous conductive material, a plasticizer, an active material, and a polymer binder to from an electrode slurry. The electrode slurry has a fluorine content of less than about 900 parts per million.
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
5.
SEMI-DRY PREPARATION OF ELECTRODES, FLUORINE FREE ELECTRODES AND ENERGY STORAGE DEVICES PRODUCED THEREBY
Disclosed herein is a semi-dry method of preparing an electrode slurry comprising a carbonaceous conductive material, an active material, a polymer binder, and a solvent wherein the electrode slurry has a fluorine content of less than about 900 parts per million. A battery cell comprising a cathode comprising a cathode current collector and a cathode active layer and an anode comprising an anode current collector and an anode active layer, wherein the active layers comprise high aspect ratio carbon elements and have a fluorine content of less than about 900 parts per mission. An energy storage device comprising a housing, a separator, and a cathode and an anode where the cathode and the anode comprise a current collector and an active layer where the active layer has a fluorine content of less than 900 parts per million.
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
An electrode for an energy storage device is disclosed. The electrode includes an active layer. The active layer includes a network of high aspect ratio carbon elements defining void spaces within the network, a plurality of electrode active material particles disposed in the void spaces within the network, wherein the active material particles comprise silicon, and a polymeric additive, the polymeric additive being at least one of a polyolefin, a Poly(acrylic acid), and a styrene-butadiene rubber (SBR).
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
An energy storage device comprising two electrodes, and a separator located between and electrically separating the two electrodes wherein at least one of the electrodes comprises an active layer that comprises electrode active particles, an electrically conductive element, and an electrolyte. The active layer is characterized by one or more of the following: the volume of the active layer in the presence of the electrolyte is at least 10%, preferably at least 20%, larger than a volume of a combination of the electrode active particles and the electrically conductive element in the absence of the electrolyte; a volume during use at least 10%, preferably at least 20%, larger than an original volume; the electrically conductive element is in the form of a flexible network capable of expansion and/or compression; the active layer includes flexible binder which facilitates expansion and contraction of the active layer.
Disclosed herein is a method comprising mixing a first polymer binder with carbonaceous conductive materials to produce a first blend; adding to the first blend a second polymer binder in a first solvent to produce a second blend; mixing the second blend; adding to the second blend a third polymer binder in a second solvent to produce a third blend; mixing the third blend; adding to the third blend an active material to form an active material composition; and mixing the active material composition.
Disclosed herein is an anode comprising a current collector; an anode active layer disposed on the current collector, wherein the anode active layer comprises anode active particles, an anode electrically conducting material and an anode binder; wherein the anode binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer that comprises an ether linkage or comprises multiple hydroxyl groups and wherein the second repeat unit is derived from the polymerization of an ethylenically unsaturated monomer that comprises a hydrophilic pendant group.
Disclosed herein is an electrode comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a polymeric binder comprising a first polymer which is a polymer comprising an acid functional group or a salt of such acid functional group; a polyamide; or an acrylate polymer, and a second polymer
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 11/86 - Procédés de fabrication de condensateurs hybrides ou EDL ou de leurs composants spécialement adaptés pour les électrodes
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
12.
ELECTRODES FOR ENERGY STORAGE DEVICE COMPRISING COPOLYMERIC BINDER
An electrode useful in energy storage devices comprises a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer which is ethylenically unsaturated monomer having a hydrophilic pendant group and the second repeat unit is derived from the polymerization of a second monomer having ethylenic unsaturation.
Disclosed herein is an anode comprising a current collector; an anode active layer disposed on the current collector, wherein the anode active layer comprises anode active particles, an anode electrically conducting material and an anode binder; wherein the anode binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer that comprises an ether linkage or comprises multiple hydroxyl groups and wherein the second repeat unit is derived from the polymerization of an ethylenically unsaturated monomer that comprises a hydrophilic pendant group.
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
H01G 11/50 - Électrodes caractérisées par leur matériau spécialement adaptées aux condensateurs lithium-ion, p. ex. pour doper le lithium ou pour intercalation
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
14.
ELECTRODES FOR ENERGY STORAGE DEVICE COMPRISING BINDERS HAVING HYDROPHILIC FUNCTIONALITY
An electrode comprising a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a polymer selected from the group consisting of polyacrylamides, polymethacrylic acid, polyacrylic acid and salts thereof can be used in an energy storage device. The electrode can be made by providing a slurry comprising the electrically conductive elements, the binder and the electrode active material in water, alcohol or a combination thereof, and coating the slurry onto a current collector, and drying to remove the solvent.
Disclosed herein is an apparatus comprising an electrode active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network and enmeshed in the network; and a surface treatment on the surface of the high aspect ratio carbon elements which promotes adhesion between the high aspect ratio carbon elements and the active material particles.
Disclosed herein is an electrode, comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a first binder material comprising a water soluble styrene butadiene rubber. Disclosed herein too is a method of manufacturing an active layer comprising mixing together a water soluble styrene butadiene rubber, a plurality of high aspect ratio carbon elements, a plurality of electrode active material particles and a solvent to form a slurry; disposing the slurry on a surface of a metal foil; and drying the slurry to form an active layer.
Disclosed herein is an energy storage device that comprises a cathode and an anode, wherein at least one of the anode and cathode includes an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; and a plurality of electrode active material particles disposed in the void spaces within the network; and the network of high aspect ratio carbon elements has an intersection density of at least 0.1 per μm2
An electrode for an energy storage device is disclosed. The electrode includes an active layer. The active layer includes a network of high aspect ratio carbon elements defining void spaces within the network, a plurality of electrode active material particles disposed in the void spaces within the network, wherein the active material particles comprise silicon, and a polymeric additive, the polymeric additive being at least one of a polyolefin, a Poly(acrylic acid), and a styrene-butadiene rubber (SBR).
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
H01G 11/86 - Procédés de fabrication de condensateurs hybrides ou EDL ou de leurs composants spécialement adaptés pour les électrodes
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
C01B 32/174 - DérivatisationSolubilisation dans les solvantsDispersion dans les solvants
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
An electrode for an energy storage device is disclosed. The electrode includes an active layer. The active layer includes a network of high aspect ratio carbon elements defining void spaces within the network, a plurality of electrode active material particles disposed in the void spaces within the network, and a polymeric additive, the polymeric additive being at least one of (i) selected from a family of polyamides, or (ii) a modified polyamide or derivative of a polyamide.
Disclosed herein is an anode, comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network, wherein the active material particles comprise silicon; and a polymeric additive, the polymeric additive being at least one of (i) selected from a family of polyamides, or (ii) a modified polyamide or derivative of a polyamide. Disclosed herein too is a cathode, comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a polymeric additive, the polymeric additive being at least one of (i) selected from a family of polyamides, or (ii) a modified polyamide or derivative of a polyamide.
H01B 1/04 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement soit de compositions à base de carbone-silicium, soit de carbone soit de silicium
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
H01B 13/00 - Appareils ou procédés spécialement adaptés à la fabrication de conducteurs ou câbles
21.
MANUFACTURE OF ELECTRODES FOR ENERGY STORAGE DEVICES
A method for fabricating an electrode for an energy storage device is provided. The method includes heating a mixture of solvent and materials for use as energy storage media; adding active material to the mixture; adding dispersant to the mixture to provide a slurry; coating a current collector with the slurry; and calendering the coating of slurry on the current collector to provide the electrode.
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
An electrode active layer is disclosed that includes a network of high aspect ratio carbon elements (e.g., carbon nanotubes, carbon nanotube bundles, graphene flakes, or the like) that provides a highly electrically conductive scaffold that entangles or enmeshes the active material, thereby supporting the layer. A surface treatment can be applied to the high aspect ratio carbon elements to promote adhesion to the active material and any underlying electrode layers improving the overall cohesion and mechanical stability of the active layer. This surface treatment forms only a thin (in some cases even monomolecular) layer on the network, leaving the large void spaces that are free of any bulk binder material and so may instead be filled with active material. The resulting active layer may be formed with excellent mechanical stability even at large thickness and high active material mass loading.
H01B 1/04 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement soit de compositions à base de carbone-silicium, soit de carbone soit de silicium
H01B 13/00 - Appareils ou procédés spécialement adaptés à la fabrication de conducteurs ou câbles
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
H01G 11/42 - Poudres ou particules, p. ex. composition de ces poudres ou particules
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Software as a service (SAAS) services featuring software for battery design optimization by use of Artificial Intelligence (AI) to compile data, manufacturing processes, and long-running tests
24.
MANUFACTURE OF SILICON-CARBON ELECTRODES FOR ENERGY STORAGE DEVICES
A method for fabricating an electrode for an energy storage device is provided. The method includes heating a mixture of solvent and materials for use as energy storage media; adding active material to the mixture; adding dispersant to the mixture to provide a slurry; coating a current collector with the slurry; and calendering the coating of slurry on the current collector to provide the electrode.
A lithium ion capacitor includes binder free positive and negative electrode active layers. The capacitor exhibits high energy density, power density and cycle life and provides a good compromise in performance between an electric double layer capacitor and a lithium ion battery.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
26.
MANUFACTURE OF ELECTRODES FOR ENERGY STORAGE DEVICES
A method for fabricating an electrode for an energy storage device is provided. The method includes heating a mixture of solvent and materials for use as energy storage media; adding active material to the mixture; adding dispersant to the mixture to provide a slurry; coating a current collector with the slurry; and calendaring the coating of slurry on the current collector to provide the electrode.
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
Disclosed herein is an apparatus comprising an active layer substantially free of binding agents, the active layer comprising a network of carbon nanotubes defining void spaces, the network of carbon nanotubes making up less than 10% by weight of the active layer; and a carbonaceous material located in the void spaces and bound by the network of carbon nanotubes; wherein the active layer is configured to provide energy storage.
H01G 11/26 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
Disclosed herein is an apparatus comprising an active layer substantially free of binding agents, the active layer comprising a network of carbon nanotubes defining void spaces, the network of carbon nanotubes making up less than 10% by weight of the active layer; and a carbonaceous material located in the void spaces and bound by the network of carbon nanotubes; wherein the active layer is configured to provide energy storage.
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
H01G 11/32 - Électrodes caractérisées par leur matériau à base de carbone
H01G 11/68 - Collecteurs de courant caractérisés par leur matériau
H01G 11/30 - Électrodes caractérisées par leur matériau
H01G 11/70 - Collecteurs de courant caractérisés par leur structure
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
B82Y 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
B82Y 30/00 - Nanotechnologie pour matériaux ou science des surfaces, p. ex. nanocomposites
An electrode active layer is disclosed that includes a network of high aspect ratio carbon elements (e.g., carbon nanotubes, carbon nanotube bundles, graphene flakes, or the like) that provides a highly electrically conductive scaffold that entangles or enmeshes the active material, thereby supporting the layer. A surface treatment can be applied to the high aspect ratio carbon elements to promote adhesion to the active material and any underlying electrode layers improving the overall cohesion and mechanical stability of the active layer. This surface treatment forms only a thin (in some cases even monomolecular) layer on the network, leaving the large void spaces that are free of any bulk binder material and so may instead be filled with active material. The resulting active layer may be formed with excellent mechanical stability even at large thickness and high active material mass loading.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/485 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques d'oxydes ou d'hydroxydes mixtes pour insérer ou intercaler des métaux légers, p. ex. LiTi2O4 ou LiTi2OxFy
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
C01B 32/174 - DérivatisationSolubilisation dans les solvantsDispersion dans les solvants
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 11/50 - Électrodes caractérisées par leur matériau spécialement adaptées aux condensateurs lithium-ion, p. ex. pour doper le lithium ou pour intercalation
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
30.
METHODS AND APPARATUS FOR PROVIDING STORAGE CELL FOR ENERGY STORAGE DEVICE
An energy storage apparatus for mounting on a printed circuit board using a solder reflow process includes: a sealed housing body including a positive internal contact and a negative internal contact disposed within the body and in electrical communication with respective external contacts. An electric double layer capacitor energy storage cell is disposed within the body Methods of manufacture are disclosed.
H01G 11/14 - Agencements ou procédés de réglage ou de protection des condensateurs hybrides ou EDL
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
H01G 11/30 - Électrodes caractérisées par leur matériau
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
Disclosed herein is an energy storage apparatus suitable for mounting on a printed circuit board using a solder reflow process, the apparatus comprising a sealed housing body comprising a positive internal contact and a negative internal contact each disposed within the body and each respectively in electrical communication with a positive external contact and a negative external contact, each of the external contacts providing electrical communication to the exterior of the body; an electric double layer capacitor (EDLC) energy storage cell disposed within a cavity in the body comprising a stack of alternating electrode layers and electrically insulating separator layers; an electrolyte disposed within the cavity and wetting the electrode layers; a positive lead electrically connecting a first group of one or more of the electrode layers to the positive internal contact.
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
Disclosed herein is a composition comprising a shell that is substantially carbon encapsulating a volume that contains a nanoform of silicon and a void space. Disclosed herein too is a method of fabricating a composition comprising combining a nanoform of silicon with a carbon precursor and sintering the combination with a laser.
An electrolyte includes a lithium salt dissolved in a solvent mixture. The solvent mixture may include a first solvent component including an organic solvent having no carbonate groups; a second solvent component configured to improve the electrochemical properties of the first solvent at low temperatures; a third solvent compound configured to promote formation of a passivating SEI layer between the electrolyte and an electrode layer; and a fourth solvent compound configured to stabilize a lithium salt at high temperatures.
An electrode active layer is disclosed that includes a network of high aspect ratio carbon elements (e.g., carbon nanotubes, carbon nanotube bundles, graphene flakes, or the like) that provides a highly electrically conductive scaffold that entangles or enmeshes the active material, thereby supporting the layer. A surface treatment can be applied to the high aspect ratio carbon elements to promote adhesion to the active material and any underlying electrode layers improving the overall cohesion and mechanical stability of the active layer. This surface treatment forms only a thin (in some cases even monomolecular) layer on the network, leaving the large void spaces that are free of any bulk binder material and so may instead be filled with active material. The resulting active layer may be formed with excellent mechanical stability even at large thickness and high active material mass loading.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
C01B 32/174 - DérivatisationSolubilisation dans les solvantsDispersion dans les solvants
H01M 4/485 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques d'oxydes ou d'hydroxydes mixtes pour insérer ou intercaler des métaux légers, p. ex. LiTi2O4 ou LiTi2OxFy
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 11/50 - Électrodes caractérisées par leur matériau spécialement adaptées aux condensateurs lithium-ion, p. ex. pour doper le lithium ou pour intercalation
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
An apparatus is disclosed that includes an active storage layer including: a network of carbon nanotubes defining void spaces; and a carbonaceous material located in the void spaces and bound by the network of carbon nanotubes. In some cases, the active layer provides energy storage, e.g., in an ultracapacitor device.
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 11/32 - Électrodes caractérisées par leur matériau à base de carbone
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
An apparatus is disclosed that includes an active storage layer including: a network of carbon nanotubes defining void spaces; and a carbonaceous material located in the void spaces and bound by the network of carbon nanotubes. In some cases, the active layer provides energy storage, e.g., in an ultracapacitor device.
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
H01G 11/32 - Électrodes caractérisées par leur matériau à base de carbone
An energy storage- apparatus suitable for mounting on a printed circuit board, using a solder reflow process is disclosed.In some embodiments, the apparatus includes: a sealed housing body (e.g., a lower body with a lid attached thereto) including a positive internal contact and a negative internal contact (e.g., metallic contact pads). disposed within the body and each respectively in electrical communication with a positive external contact and a negative external contact. Each of the external contacts provide electrical communication to the exterior of the body, and may be disposed on an external surface of the body. An electric double layer capacitor (EDLC) (also referred to herein as an "ultracapacitor" or "supercapacitor") energy storage cell is disposed within a cavity in the body including a stack of alternating electrode layers and electrically insulating separator layers. An electrolyte is disposed within the cavity and wets the electrode layers. A positive lead electrically connects: a. first group of one of more of the electrode layers to the positive internal contact; and a negative lead electrically connects a second group of one or more of the electrode layers to the negative internal contact.
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
An apparatus is disclosed that includes an active storage layer including: a network of carbon nanotubes defining void spaces; and a carbonaceous material located in the void spaces and bound by the network of carbon nanotubes. In some cases, the active layer provides energy storage, e.g., in an ultracapacitor device.
Electric double layer capacitor devices are disclosed. The devices may be suitable for operation of wide temperature ranges. In some cases, the capacitor features a solid state electrolyte that includes an ionic liquid doped polymer matrix.
In one embodiment, an electrode is provided. The electrode includes a current collector comprising aluminum with an aluminum carbide layer on at least one surface, on which at least one layer of carbon nanotubes (CNTs) is disposed. The electrode may comprise vertically-aligned, horizontally-aligned, or nonaligned (e.g., tangled or clustered) CNTs. The electrode may comprise compressed CNTs. The electrode may comprise single-walled, double-walled, or multiwalled CNTs. The electrode may comprise multiple layers of CNTs.
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
H01G 11/36 - Nanostructures, p. ex. nanofibres, nanotubes ou fullerènes
H01G 11/68 - Collecteurs de courant caractérisés par leur matériau
H01G 11/70 - Collecteurs de courant caractérisés par leur structure
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
B82Y 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
B82Y 30/00 - Nanotechnologie pour matériaux ou science des surfaces, p. ex. nanocomposites
In one aspect, an apparatus is disclosed including: a power supply and a rotary mud pulse telemetry device. The rotary mud pulse telemetry device includes a drive motor configured to be powered by the power supply and a rotating actuator configured to be driven by the drive motor to modulate the flow of fluid through a borehole to encode information from a down hole location. In some embodiments, the power suppiy and drive motor are configured to cooperate to drive the rotating actuator with a high torque.
E21B 47/12 - Moyens pour la transmission de signaux de mesure ou signaux de commande du puits vers la surface, ou de la surface vers le puits, p. ex. pour la diagraphie pendant le forage
G01V 3/18 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation spécialement adaptée au carottage
An electric double layer capacitor (EDLC) is disclosed including: a first electrode including a first current collector and first plurality of carbon nanotubes (CNTs) disposed substantially directly upon the first current collector; a second electrode comprising a second current collector and second plurality of CNTs disposed substantially directly upon the second current collector; and an electrolyte disposed between and in contact with (e.g., wetting) the first and second electrodes. In some embodiments, the EDLC is configured to have a capacitive frequency window comprising about 1 Hz to about 50 Hz.
H01G 11/10 - Condensateurs hybrides ou condensateurs EDL multiples, p. ex. réseaux ou modules
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
44.
ADVANCED ELECTROLYTES FOR HIGH TEMPERATURE ENERGY STORAGE DEVICE
An ultracapacitor that includes an energy storage cell immersed in an electrolyte and disposed within an hermetically sealed housing, the cell electrically coupled to a positive contact and a negative contact, wherein the ultracapacitor has a gel or polymer based electrolyte and is configured to output electrical energy at temperatures between about -40 °C and about 250 °C. Methods of fabrication and use are provided.
In one aspect, an electromagnetic (EM) telemetry device is disclosed including an EM telemetry circuit capable of transmitting a pulsed high power EM telemetry signal, wherein the high power EM telemetry signal has a peak or average pulse power of about 20 W to about 2000 W.
G01V 11/00 - Prospection ou détection par des méthodes combinant des techniques spécifiées dans les groupes
E21B 41/00 - Matériel ou accessoires non couverts par les groupes
E21B 47/12 - Moyens pour la transmission de signaux de mesure ou signaux de commande du puits vers la surface, ou de la surface vers le puits, p. ex. pour la diagraphie pendant le forage
Systems and methods directed to providing power to instruments in a downhole environment are generally described. A dynamics monitoring system (DMS) for downhole drilling applications is disclosed, the DMS including at least one rotational sensor, where the DMS is capable of operating at temperatures throughout an operating temperature range comprising about 175 °C to about 210 °C.
G01C 19/56 - Dispositifs sensibles à la rotation utilisant des masses vibrantes, p. ex. capteurs vibratoires de vitesse angulaire basés sur les forces de Coriolis
47.
MODULAR SIGNAL INTERFACE DEVICES AND RELATED DOWNHOLE POWER AND DATA SYSTEMS
A downhole power system is provided that includes an energy storage adapted to operate at high temperatures, and a modular signal interface device that serves to control the energy storage component as well as offer a means of data logging at high temperatures. The controller is fabricated from pre-assembled components that may be selected for various combinations to provide desired functionality. The energy storage may include at least one ultracapacitor.
A downhole power supply is provided that includes an energy storage adapted to operate at high temperatures, and a rotational inertial energy generator to capture the shock energy and vibrational energy of downhole movement of the drill string. The energy storage may include at least one ultracapacitor. As people and companies continue to search for and extract oil, the quest for hydrocarbons has grown increasingly complex. For example, it is well known that the "easy oil" is generally gone, and exploration now requires searching to greater depths than ever before by drilling a wellbore deep into the Earth.
F02B 63/04 - Adaptations des moteurs pour entraîner des pompes, des outils tenus à la main ou des génératrices électriquesCombinaisons portatives de moteurs avec des dispositifs entraînés par des moteurs pour génératrices électriques
49.
MODULAR SIGNAL INTERFACE DEVICES AND RELATED DOWNHOLE POWER AND DATA SYSTEMS
A downhole power system is provided that includes an energy storage adapted to operate at high temperatures, and a modular signal interface device that serves to control the energy storage component as well as offer a means of data logging at high temperatures. The controller is fabricated from pre-assembled components that may be selected for various combinations to provide desired functionality. The energy storage may include at least one ultracapacitor.
An ultracapacitor that includes an energy storage cell immersed in an advanced electrolyte system and disposed within a hermetically sealed housing, the cell electrically coupled to a positive contact and a negative contact, wherein the ultracapacitor is configured to output electrical energy within a temperature range between about -40 degrees Celsius to about 210 degrees Celsius. Methods of fabrication and use are provided.
A logging system and method for operating a logging system are typically used in a wellbore. The logging system may include a logging instrument including a rechargeable energy storage and logging electronics, and a cable configured to trickle charge the rechargeable energy storage. The rechargeable energy storage may include an ultracapacitor. The rechargeable energy storage may be trickle charged through the cable from a remote power source.
E21B 47/26 - Stockage des données en fond de puits, p. ex. dans une mémoire ou sur un support d'enregistrement
E21B 47/01 - Dispositifs pour supporter des instruments de mesure sur des trépans, des tubes, des tiges ou des câbles de forageProtection des instruments de mesure dans les trous de forage contre la chaleur, les chocs, la pression ou similaire
E21B 47/04 - Mesure de la profondeur ou du niveau du liquide
In one embodiment, a power supply that is adapted for supplying power to a downhole tool is disclosed. The power supply includes an energy source coupled to a control circuit and a rechargeable energy storage that is configured to operate at a temperature within a temperature range between about 80 degrees Celsius to about 210 degrees Celsius. The source may include at least one of a battery, a connection to an external supply of electrical energy and a generator that is configured for translating energy experienced by the downhole tool into the electrical energy. The control circuit may be configured for receiving electrical energy from the source and storing the electrical energy in the energy storage.
An ultracapacitor that includes an energy storage cell immersed in an electrolyte and disposed within an hermetically sealed housing, the cell electrically coupled to a positive contact and a negative contact, wherein the ultracapacitor is configured to output electrical energy within a temperature range between about 80 degrees Celsius to about 210 degrees Celsius. Methods of fabrication and use are provided.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
An ultracapacitor includes at least one electrode that includes carbon nanotubes. The carbon nanotubes may be applied in a variety of ways, and a plurality of layers may be included. Methods of fabrication of carbon nanotubes and ultracapacitors are provided.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
55.
POWER SYSTEM FOR HIGH TEMPERATURE APPLICATIONS WITH RECHARGEABLE ENERGY STORAGE
A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of between about seventy degrees Celsius and about two hundred and fifty degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one one hundredth (0.01) of a watt and about one hundred megawatts, for at least two charge-discharge cycles. Methods of use and fabrication are provided. Embodiments of additional features of the power supply are included.
