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US 2019/0198935 A1Published application
Battery, battery pack, electronic device, electrically driven vehicle, electric storage device, and electric power system
AssigneeMurata Manufacturing Co., Ltd.
InventorsTomoya SASAKI, Makoto FURUKAWA
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Abstract
The battery is provided. The battery includes an electrode. The electrode includes a current collector and an active material layer provided on an inside surface of the current collector. The active material layer includes a first region and a second region, where the second region includes an area density lower than the first region, and the second region is provided in a winding-back portion of the active material layer.
Claims19
A battery comprising an electrode,
- wherein
- the electrode includes a current collector and an active material layer provided on an inside surface of the current collector,
- the active material layer includes a first region and a second region, wherein the second region includes an area density lower than the first region, and
- the second region is provided in a winding-back portion of the active material layer.
1 more element
Dependencies are inferred from the claim text.