H01M10/0583

METHOD AND SYSTEM FOR STACKING BATTERY CELLS

A system including an adapter plate, a conveyor, a separator drum, and first and second electrode drums. The conveyor is configured to move the adapter plate continuously and sequentially in a predetermined path between the separator drum to receive a respective separator sheet, the first electrode drum to receive a respective first electrode sheet, the separator drum to receive a respective separator sheet, and the second electrode drum to receive a respective second electrode sheet until a stacked battery cell includes a desired number of respective separator sheets, respective first electrode sheets, and respective second electrode sheets.

Laminating Equipment, Method and Laminated Structure
20220123349 · 2022-04-21 ·

The present disclosure provides laminating equipment, method and a laminated structure, and relates to the technical field of jelly roll manufacturing. The laminating equipment includes a transferring mechanism and a carrying mechanism. The transferring mechanism is configured to transfer a composite bi-cell belt downward, wherein the composite bi-cell belt has thereon a plurality of composite bi-cell units, and two adjacent composite bi-cell units are connected to each other through a bending section. The carrying mechanism has a laminating plane, and the plurality of the composite bi-cell units are laminated one by one on the laminating plane, thereby forming a laminated structure.

Laminating Equipment, Method and Laminated Structure
20220123349 · 2022-04-21 ·

The present disclosure provides laminating equipment, method and a laminated structure, and relates to the technical field of jelly roll manufacturing. The laminating equipment includes a transferring mechanism and a carrying mechanism. The transferring mechanism is configured to transfer a composite bi-cell belt downward, wherein the composite bi-cell belt has thereon a plurality of composite bi-cell units, and two adjacent composite bi-cell units are connected to each other through a bending section. The carrying mechanism has a laminating plane, and the plurality of the composite bi-cell units are laminated one by one on the laminating plane, thereby forming a laminated structure.

BATTERY WINDING METHOD, BATTERY WINDING SYSTEM, BATTERY AND ELECTRICAL DEVICE

Provided are a battery winding method, a battery winding system, a battery and an electrical device. The battery winding method includes: winding; photographing a picture of a current winding layer; acquiring position data of a first point and of a second point according to the picture of the current winding layer, converting the position data of the first point to obtain the converted position data of a converted first point using a preset conversion matrix corresponding to the current winding layer based on the number of the current winding layers and calculating data of displacement between the first and second electrode plates based on the converted position data of the converted first point and the position data of the second point, and determining if the data of displacement is within a threshold value scope, if so, returning to wind a next winding layer, and if not, sending an alarm.

ELECTRODE STRUCTURE AND ALL-SOLID-STATE SECONDARY BATTERY INCLUDING THE SAME

An electrode structure and an all-solid-state secondary battery, the electrode structure includes an anode current collector having first and second surfaces, the first surface including first and second portions, and a middle portion between the first and second portions, the first and second portions being oriented to face outwardly in opposite directions with the middle portion therebetween, and the anode current collector being folded such that the second surface faces inwardly in the anode current collector; first and second anode plate layers on the first surface; first and solid electrolyte layers on outer sides of the first and second anode plate layers; first and second cathode plate layers on outer sides of the first and second solid electrolyte layers; and an elastic sheet inside an interior space of the folded anode current collector.

ELECTRODE STRUCTURE AND ALL-SOLID-STATE SECONDARY BATTERY INCLUDING THE SAME

An electrode structure and an all-solid-state secondary battery, the electrode structure includes an anode current collector having first and second surfaces, the first surface including first and second portions, and a middle portion between the first and second portions, the first and second portions being oriented to face outwardly in opposite directions with the middle portion therebetween, and the anode current collector being folded such that the second surface faces inwardly in the anode current collector; first and second anode plate layers on the first surface; first and solid electrolyte layers on outer sides of the first and second anode plate layers; first and second cathode plate layers on outer sides of the first and second solid electrolyte layers; and an elastic sheet inside an interior space of the folded anode current collector.

ELECTRODE ASSEMBLY AND PROCESSING METHOD AND DEVICE THEREFOR, BATTERY CELL, BATTERY AND POWER CONSUMING DEVICE
20230299302 · 2023-09-21 ·

The present application provides an electrode assembly and a processing method and device therefor, a battery cell, a battery and a power consuming device. The electrode assembly comprises: a cathode plate, an anode plate and a separator. The cathode plate is bent M times to form M bent parts in a bent region, a first attachment region is formed on an inner surface of an Nth-bend part of the cathode plate, and a second attachment region is formed on an outer surface of the Nth-bend part; at least one part of an ion blocking layer is attached to the first attachment region, and the ion blocking layer is used for preventing ions deintercalated from the first attachment region from being intercalated into the anode plate adjacent to the first attachment region during charging; and at least one part of a reinforcing layer is attached to the second attachment region.

METHOD FOR PRODUCING A CATHODE APPARATUS, METHOD FOR PRODUCING AN ELECTRODE ASSEMBLY, AND BATTERY
20220029189 · 2022-01-27 ·

The invention relates to a method for producing a cathode apparatus (16) for a battery (8), especially of a motor vehicle (2), whereby a cathode strip (20) is provided, whereby a cathode (16a) is cut out of the cathode strip (20), whereby the cathode (16a) is placed between two strip-shaped separator foils (16d), and whereby, in a joint step, the two separator foils (16d) are cut to size in an area that protrudes beyond the cathode (16a), thereby forming appropriate separator foil cutouts (16f), and these two separator foil cutouts (16f) are also joined to each other in this area, especially fused together. Furthermore, the invention relates to a method for producing a cathode apparatus (16), whereby a single strip-shaped separator foil (16d) is folded and arranged on the cathode (16a) in such a way that the folded edge of the separator foil (16d) adjoins a contact face (38) of the cathode (16a) and so that the cathode (16a) is covered on both sides by a separator foil section (16g) of the separator foil (16d). Furthermore, the invention relates to a method for producing an electrode assembly (12) having such a cathode apparatus (16), to a battery (8) having such an electrode assembly (12), as well as to a motor vehicle (2) having such a battery (8).

METHOD FOR PRODUCING A CATHODE APPARATUS, METHOD FOR PRODUCING AN ELECTRODE ASSEMBLY, AND BATTERY
20220029189 · 2022-01-27 ·

The invention relates to a method for producing a cathode apparatus (16) for a battery (8), especially of a motor vehicle (2), whereby a cathode strip (20) is provided, whereby a cathode (16a) is cut out of the cathode strip (20), whereby the cathode (16a) is placed between two strip-shaped separator foils (16d), and whereby, in a joint step, the two separator foils (16d) are cut to size in an area that protrudes beyond the cathode (16a), thereby forming appropriate separator foil cutouts (16f), and these two separator foil cutouts (16f) are also joined to each other in this area, especially fused together. Furthermore, the invention relates to a method for producing a cathode apparatus (16), whereby a single strip-shaped separator foil (16d) is folded and arranged on the cathode (16a) in such a way that the folded edge of the separator foil (16d) adjoins a contact face (38) of the cathode (16a) and so that the cathode (16a) is covered on both sides by a separator foil section (16g) of the separator foil (16d). Furthermore, the invention relates to a method for producing an electrode assembly (12) having such a cathode apparatus (16), to a battery (8) having such an electrode assembly (12), as well as to a motor vehicle (2) having such a battery (8).

Stack-type nonaqueous electrolyte secondary battery

A stack-type nonaqueous electrolyte secondary battery includes an electrode stack. The electrode stack is housed in an exterior body and includes a plurality of positive electrodes, a plurality of negative electrodes, and a separator. The positive electrodes and the negative electrodes are alternately arranged. The separator includes a fanfold portion including a plurality of intervening elements interposed between the positive electrodes and the negative electrodes. The separator includes a wrapper portion at a portion continuous with the fanfold portion. The wrapper portion extends out of the electrode stack and is disposed to cover at least part of a periphery of the electrode stack.