CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
An evaporation material distributor and a vacuum evaporation device are provided. The evaporation material distributor includes a material distribution mechanism and a housing, where the material distribution mechanism is provided at a bottom of the housing, and the material distribution mechanism includes a plurality of through holes formed in a middle of a bottom of the material distribution mechanism at intervals along a length direction of the material distribution mechanism; and a plurality of feeding channels respectively provided between the holes and corresponding edges of the material distribution mechanism.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A method and device for treating a surface of a polymer base film and a coated film product are provided. The method includes: arranging a surface modification apparatus at a discharge end of the polymer base film to be coated, such that an active interface is formed on the surface of the polymer base film to produce a chemical bonding reaction with a coating material. The device includes an unwinding roller, a winding roller, and a coating layer deposition zone, where an ultraviolet (UV) radiation apparatus is provided at one or two sides of a polymer base film between the coating layer deposition zone and the unwinding roller. The coated film product includes a polymer base film, a reinforcement layer, and a functional coating layer, where the reinforcement layer is provided to enhance an adhesion force, and is formed through active interfacial chemical bonding.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A polymer base film surface treatment method and device, and a coated product (30). The treatment method comprises: arranging a base film surface modification device at a discharge end before a polymer base film (31) is coated, so that an active interface which generates a chemical bonding reaction with a coating material is formed on the surface of the polymer base film (31). The device comprises an unwinding roller (10), a winding roller (20) and a film layer deposition area. An ultraviolet radiation device (12) is arranged on one side or both sides of the polymer base film (31) between the film layer deposition area and the unwinding roller (10). The coated product (30) comprises the polymer base film (31), a reinforcement layer and a functional coating layer, wherein the reinforcement layer is used for reinforcing the adhesion between the functional coating layer and the polymer base film (31), and is formed by chemically bonding the coating material and the active interface on the surface of the polymer base film (31). The surface of the polymer base film (31) is irradiated by means of the ultraviolet radiation device (12) so as to form the active interface, thus increasing the adhesion between a coating and the polymer base film (31), which may conveniently achieve the surface treatment of the polymer base film (31), the surface treatment process being pollution-free and highly efficient.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A cathode conduction mechanism and an electroplating system are provided. The cathode conduction mechanism includes a first conductive belt and a first conductive belt assembly, the first conductive belt assembly includes a first belt roll and a second belt roll, and the first conductive belt covering the first belt roll and the second belt roll; and a second conductive belt and a second conductive belt assembly, the second conductive belt assembly includes a third belt roll and a fourth belt roll, and the second conductive belt covering the third belt roll and the fourth belt roll. According to the present disclosure, the lower conductive belt does not pass through the bottom of the electroplating bath to prevent leakage. The upper conductive belt and the lower conductive belt each are only driven by two belt rolls to greatly save a cost.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO , LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
The present invention relates to a cathode conductive mechanism and an electroplating system. The cathode conductive mechanism comprises: a first conductive belt and a first conductive belt assembly, wherein the first conductive belt assembly comprises a first belt roller and a second belt roller, and the first conductive belt wraps outer sides of the first belt roller and the second belt roller; and a second conductive belt and a second conductive belt assembly, wherein the second conductive belt assembly comprises a third belt roller and a fourth belt roller, and the second conductive belt wraps outer sides of the third belt roller and the fourth belt roller. It is not necessary for a lower conductive belt of the present invention to penetrate the bottom of an electroplating tank, thereby preventing liquid leakage; moreover, only two belt rollers are required to drive each of an upper conductive belt and the lower conductive belt, thereby greatly reducing costs.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO , LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
The present invention relates to an electroplating bath having a side wall plating solution drainage function and an electroplating production line. The electroplating bath comprises a bottom plate, and a first side wall and a second side wall which are oppositely disposed on the bottom plate; the first side wall is provided with a first drainage region, and the first drainage region comprises a first side plate provided with first overflow holes; the second side wall is provided with a second drainage region, and the second drainage region comprises a second side plate provided with second overflow holes; a plurality of liquid outlet holes are further formed in the second side wall and communicated with the second drainage region, and the plurality of liquid outlet holes are lower than the first overflow holes and the second overflow holes; the bottom plate is provided with a third drainage region, and the third drainage region is communicated with the first drainage region and the second drainage region, respectively, and used for draining a plating solution in the first drainage region to the second drainage region. According to the present invention, the liquid outlet holes are formed in the side wall, so that the plating solution is convenient to replace while maintenance is convenient.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
An electroplating bath includes a bottom plate, and a first side wall and a second side wall arranged oppositely on the bottom plate. The first side wall is provided with a first drainage zone, and the first drainage zone includes a first side plate with a first overflow hole. The second side wall is provided with a second drainage zone, and the second drainage zone includes a second side plate with a second overflow hole. The second side wall is further provided with a plurality of liquid outlet holes communicating with the second drainage zone, and a height of each liquid outlet hole is lower than a height of the first overflow hole and a height of the second overflow hole. The bottom plate is provided with a third drainage zone, and the third drainage zone communicates with the first drainage zone and the second drainage zone.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO , LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
The present invention provides a distributor for materials to be deposited and a vacuum deposition device. The distributor comprises a material distribution mechanism and a housing. The material distribution mechanism is arranged at the bottom of the housing; and the material distribution mechanism comprises: a plurality of through holes which are arranged at intervals at the middle of the bottom of the material distribution mechanism in the length direction of the material distribution mechanism; and a plurality of feeding channels which are respectively arranged between the holes and the corresponding edges of the material distribution mechanism. Compared with the prior art, the distributor for materials to be deposited can evenly place materials to be deposited in crucibles by means of the plurality of channels and the plurality of through holes.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A flexible foil production system, relating to the technical field of water plating. The system comprises first liquid accumulation rollers, tension rollers, first electrical conduction rollers and second electrical conduction rollers, which are sequentially arranged in a film transfer and guide direction, wherein a film sequentially passes through the first liquid accumulation rollers, the tension rollers, the first electrical conduction rollers and the second electrical conduction rollers; the tension rollers and the second electrical conduction rollers separately come into contact with the upper surface of the film; the first electrical conduction rollers come into contact with the lower surface of the film; and the horizontal heights of positions where the film comes into contact with the tension rollers are greater than the horizontal heights of positions where the film comes into contact with the first liquid accumulation rollers. In this way, a plating solution can be prevented from coming into contact with the first electrical conduction rollers along the film, thereby avoiding copper plating or crystallization on the electrical conduction rollers. The flexible foil production system has the beneficial effects that copper plating on the electrical conduction rollers can be reduced, and plating solution crystals can be prevented from occurring on the electrical conduction rollers, thereby preventing the crystals from piercing the film.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A method, device, and system for manufacturing a composite metal foil are provided. The device includes: a first-time double-sided coating module and a second-time double-sided coating module arranged at an interval, where the first-time double-sided coating module includes: a first vapor deposition column and a second vapor deposition column arranged oppositely, and an unwinding roller, a first evaporation source, a first set of over rollers, a second evaporation source, and a second set of over rollers arranged sequentially from bottom to top on opposite surfaces of the first vapor deposition column and the second vapor deposition column; and the second-time double-sided coating module includes: a third vapor deposition column, and a first set of cooling rollers, a third evaporation source, a second set of cooling rollers, a fourth evaporation source, and a winding roller arranged sequentially from top to bottom on the third vapor deposition column.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A water electroplating apparatus with a double-sided coating function. The water electroplating apparatus comprises a plating tank and a film conveying mechanism, wherein a first main roller and a second main roller are arranged in the plating tank, and the peripheries of the first main roller and the second main roller are each provided with an electrically conductive belt; and the film conveying mechanism guides one side face of a film to bypass a left side of the first main roller and is wound out from a right side of the first main roller, and the film conveying mechanism guides the other side face of the film to bypass a right side of the second main roller and is wound out from a left side of the second main roller. In the water electroplating apparatus, the electrically conductive belt does not need to pass through the plating tank, and thus there is no need to add a corresponding overflow tank to collect a plating solution, thereby saving on apparatus investment and improving the safety of the plating tank.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
A copper removing device for a conductive band. The copper removing device comprises: a copper deplating tank and a conductive band transmission mechanism, wherein the copper deplating tank is used for accommodating a copper deplating solution, and is provided with a first strip-shaped hole and a second strip-shaped hole which allow a conductive band to transversely pass therethrough; the conductive band transmission mechanism is used for transmitting the conductive band, and makes the conductive band transversely pass through the copper deplating tank via the first strip-shaped hole and the second strip-shaped hole and be immersed in the copper deplating solution, and the conductive band has electropositivity; and a cathode plate connected to a negative electrode of a power supply is arranged in the copper deplating tank and is located on the upper side and/or the lower side of the conductive band. When a conductive band enters the copper deplating tank, under the action of a cathode plate immersed in a copper deplating solution, a copper layer on the surface of the conductive band is ionized to then generate copper ions that can freely move in the copper deplating solution, such that the copper layer on the surface of the conductive band is removed.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD (Chine)
Inventeur(s)
Zang, Shiwei
Abrégé
The present invention provides a method, device and system for preparing a composite metal foil. The device comprises: primary and secondary double-sided coating modules (10, 20) which are arranged spaced apart. The primary double-sided coating module (10) comprises: a first evaporation column (11) and a second evaporation column (12) which are arranged opposite to each other, and an unwinding roller (13), a first evaporation source (14), a first group of passing rollers (15), a second evaporation source (16) and a second group of passing rollers (17) which are sequentially arranged from bottom to top on opposite surfaces of the first evaporation column (11) and the second evaporation column (12). The secondary double-sided coating module (20) comprises: a third evaporation column (21), and a first group of cooling rollers (22), third evaporation source (23), second group of cooling rollers (24), fourth evaporation source (25) and winding roller (26) which are sequentially arranged from top to bottom on the third evaporation column (21). Two evaporation sources and companion roller systems are arranged from bottom to top on the opposite surfaces of the first and second evaporation columns (11, 12) so as to achieve primary double-sided coating, and two evaporation sources and corresponding roller systems are sequentially arranged from top to bottom on the third evaporation column so as to achieve secondary double-sided coating, thereby increasing the site utilization rate and thin film production efficiency.
C23C 14/26 - Évaporation sous vide par chauffage de la source par induction ou par résistance
C23C 14/56 - Appareillage spécialement adapté au revêtement en continuDispositifs pour maintenir le vide, p. ex. fermeture étanche
B05C 9/06 - Appareillages ou installations pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par des moyens non prévus dans l'un des groupes , ou dans lesquels le moyen pour déposer le liquide ou autre matériau fluide n'est pas important pour appliquer deux liquides ou autres matériaux fluides différents, ou le même liquide ou matériau fluide deux fois, sur le même côté de l'ouvrage
B65H 18/10 - Mécanismes d'enroulage des bandes dans lesquels l'énergie est appliquée à la broche de la bobine
14.
SAFE LITHIUM-ION BATTERY (LIB) SEPARATOR, FABRICATION METHOD THEREOF, AND LIB
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
A safe lithium-ion battery (LIB) separator, a fabrication method thereof, and an LIB are provided. The fabrication method includes: S1: preparation of a water-based slurry: mixing a ceramic material, magnesium oxide, conductive carbon black (CB), and a water-based adhesive, and thoroughly stirring to obtain the water-based slurry; S2: fabrication of a first film: adding trans-1,4-polyisoprene, cis-polybutadiene rubber (cis-BR), conductive CB, and a water-soluble salt to a compounding granulator for compounding to prepare a memory material; adding the memory material to a mixed solution of aluminum nitride and ethanol, and conducting stirring, suction filtration, drying and calcination to obtain a solid material; and mixing a high-polymer particle with the solid material, adding a resulting mixed material to a film-blowing machine, blowing into a film, and watering and drying the film to obtain the first film; S3: fabrication of a second film; and S4: fabrication of the LIB separator.
H01M 50/403 - Procédés de fabrication des séparateurs, des membranes ou des diaphragmes
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 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches
15.
Conductive film, fabrication method of conductive film, and lithium-ion battery (LIB)
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
A conductive film, a fabrication method of the conductive film, and a lithium-ion battery (LIB) are provided. The fabrication method includes: S10: selecting a support layer, and plating a first metal layer on upper and lower surfaces of the support layer, respectively; S20: compounding a first film on a surface of one of the first metal layers, and compounding a second film on a surface of the other one of the first metal layers; S30: compounding a third film on surfaces of the first film and the second film, and etching a plurality of circular holes penetrating through the third film and the second film; S40: plating a second metal layer on an outer surface of the third film and an inner wall of the circular hole; S50: fabricating a composite film; and S60: plating a third metal layer on upper and lower surfaces of the composite film.
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
16.
Device and method for preventing copper plating of conductor roll
Chongqing JIMAT New Material Technology Co., Ltd. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
The present invention discloses a device and method for preventing copper plating of a conductor roll in the technical field of manufacturing of copper electroplating films. A conductor roll and an electroplating anode are respectively connected to the negative output end and the positive output end of a first power source, the conductor roll and the electroplating anode electroplate a plating product flowing through plating pool bath after being electrified, and the conductor roll is connected to the positive output end of a second power source and mated with an auxiliary electrode connected to the negative output end of the second power source to realize the electrolysis of the conductor roll so that the conductor roll avoids copper deposition when electroplating the plating product. The present invention can realize the electrolysis of bath near the conductor roll on the premise of completing electroplating by the conductor roll so that the copper electroplating process and the copper electrolyzing process are balanced on the conductor roll to avoid residual copper on the conductor roll so as to improve the copper plating quality of the plating product, and the present invention does not increase the procedure of the electroplating process or affect the implementation of the electroplating process.
Chongqing JIMAT New Material Technology Co., Ltd. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
The present invention discloses a device and method for preventing bath crystallization of a squeezing component of electroplating equipment in the technical field of manufacturing of copper electroplating films. The device comprises a plating tank and a squeezing component located on the discharge end of the plating tank. A non-metallic film is squeezed by the squeezing component after being discharged from the plating tank. A wind cutting device is arranged between the plating tank and the squeezing component for wind cutting of the discharged non-metallic film; and a spraying component is arranged behind the squeezing component for spraying the squeezing component. The method comprises a step of adding a wind cutting device for wind cutting of a non-metallic film to remove bath and a step of adding a spraying component for spraying the squeezing component. In the present invention, the wind cutting device and the spraying component are added specifically to eliminate bath crystallization so as to avoid piercing or concave and convex points of non-metallic films caused by crystallization and fully improve the quality of the plating product.
Chongqing JIMAT New Material Technology Co., Ltd. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
The present invention discloses a lithium replenishing diaphragm and a preparation method for the lithium replenishing diaphragm in the technical field of lithium batteries. The lithium replenishing diaphragm comprises in mass percentage: 50-60% of a halogen high-molecular polymer base material, 5-10% of a toughening agent, 5-10% of a flame retardant, and 20-40% of a lithium salt. During the preparation process, the proportioned raw materials are uniformly mixed and placed in a feeding device of a film blowing machine, a film is formed by means of film blowing of the film blowing machine, the film is baked in a drying oven and then wound, and the final lithium replenishing diaphragm is obtained. The present invention solves the defects of high cost, poor heat resistance and poor tensile strength of a diaphragm in the prior art, which can not only greatly reduce the corresponding cost, but also ensure a better thermal stability and a higher toughness of a final product.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
The present invention relates to the technical field of conductive thin film preparation. Disclosed are a conductive thin film, a preparation method for the conductive thin film, and a lithium ion battery. The preparation method comprises the following steps: S10, selecting a support layer, and then plating first metal layers on upper and lower surfaces of the support layer respectively; S20, compounding a first thin film on the surface of one of the first metal layers, and compounding a second thin film on the surface of the other first metal layer; S30, compounding third thin films on the surfaces of the first thin film and the second thin film by using a thin film compounding technique, and etching a plurality of through circular holes on the third thin films and the second thin film; S40, plating second metal layers on the outer surfaces of the third thin films and inner walls of the circular holes; S50, preparing a composite thin film; and S60, plating third metal layers on upper and lower surfaces of the composite thin film by using a vacuum coating technique, and rolling to then obtain the conductive thin film. The beneficial effects of the present invention are that the battery may be prevented from overheating and burning, and the conductivity and tensile strength of the conductive thin film are improved.
H01B 5/14 - Conducteurs ou corps conducteurs non isolés caractérisés par la forme comprenant des couches ou pellicules conductrices sur supports isolants
20.
DEVICE AND METHOD FOR PREVENTING CRYSTALLIZATION OF PLATING SOLUTION ON SQUEEZING ASSEMBLY OF ELECTROPLATING APPARATUS
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
Disclosed in the present invention are a device and method for preventing crystallization of a plating solution on a squeezing assembly of an electroplating apparatus in the technical field of electroplating copper film manufacturing. The device comprises a plating bath and a squeezing assembly located at an exit end of the plating bath; a non-metallic film taken out of the solution of the plating bath is squeezed by the squeezing assembly; an air jetting device is provided between the plating bath and the squeezing assembly to perform air jetting on the non-metallic film taken out of the solution; and the rear side of the squeezing assembly is provided with a spray assembly to spray the squeezing assembly. The method comprises the steps of providing an air jetting device to perform air jetting on the non-metallic film to remove the plating solution and providing a spray assembly to spray the squeezing assembly. In the present invention, the air jetting device and spray assembly are provided in a targeted manner to prevent crystallization of the plating solution, thereby preventing puncture or uneven spots of the non-metallic film caused by crystallization, thus improving the quality of plated products.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
A safe lithium-ion battery separator, a preparation method and a lithium-ion battery, which relate to the technical field of lithium-ion batteries. The preparation method comprises the following steps: S1, the preparation of an aqueous slurry: mixing a ceramic material, magnesium oxide, conductive carbon black and aqueous glue, and then stirring evenly to obtain the aqueous slurry; S2, the preparation of a first thin film (10): placing trans-1,4-polyisoprene, butadiene rubber, conductive carbon black and water-soluble salt into a kneading granulator for kneading to make a memory material, mixing high molecular polymer particles and a solid material and then placing same into a film blowing machine, blowing the mixed material of the high molecular polymer particles and the solid material into a film by means of a thin film blowing method, and passing the obtained thin film through water and drying to obtain the first film (10); S3, the preparation of a second thin film (20); and S4, the preparation of a lithium-ion battery separator. The separator is able to block the reaction of an electrolyte when the temperature increases so as to protect the battery.
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
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
22.
DEVICE AND METHOD FOR PREVENTING CONDUCTIVE ROLLER FROM BEING PLATED WITH COPPER
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
Disclosed are a device and method for preventing a conductive roller from being plated with copper, belonging to the technical field of the manufacturing of electroplated copper films. The conductive roller and an electroplating anode are respectively connected to a negative electrode output end and a positive electrode output end of a first power supply and are energized to electroplate a plated product, which is passing through a plating liquid in a plating tank, and the conductive roller is connected to a positive electrode output end of a second power supply and cooperatively connected to an auxiliary electrode at a negative electrode output end of the second power supply, resulting in the conductive roller undergoing electrolysis, such that copper deposition is avoided when the conductive roller is performing electroplating on the plated product. In the present invention, on the premise that the conductive roller completes the action of electroplating, electrolysis of a plating liquid near the conductive roller can be achieved, such that the copper electroplating process and the copper electrolysis process on the conductive roller are balanced, thereby avoiding copper residues on the conductive roller, further resulting in the quality of a copper plating on the plated product being improved; moreover, the present invention does not add additional technological processes to the electroplating process, and the implementation of the electroplating process is not affected.
CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD. (Chine)
Inventeur(s)
Zang, Shiwei
Liu, Wenqing
Abrégé
A lithium replenishing diaphragm and a preparation method for the lithium replenishing diaphragm. The lithium replenishing diaphragm comprises in mass percentage: 50-60% of a halogen high-molecular polymer base material, 5-10% of a toughening agent, 5-10% of a flame retardant, and 20-40% of a lithium salt. During the preparation process, the proportioned raw materials are uniformly mixed and placed in a feeding device of a film blowing machine, a film is formed by means of film blowing of the film blowing machine, the film is baked in a drying oven and then wound, and the final lithium replenishing diaphragm is obtained.
H01M 50/409 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau
H01M 50/40 - SéparateursMembranesDiaphragmesÉléments d’espacement dans les cellules
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 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires