THIN BATTERY AND BATTERY-MOUNTED DEVICE

WIPO Patent Application WO/2015/133066

A1

A thin battery which comprises: a sheet-like electrode group; a nonaqueous electrolyte with which the electrode group is impregnated; and an outer casing in which the electrode group and the nonaqueous electrolyte are hermetically contained. The electrode group is provided with: a pair of first electrodes that are positioned outermost of the electrode group; a second electrode that is arranged between the pair of first electrodes; and a separator that is interposed between each first electrode and the second electrode. Each first electrode comprises a first collector sheet and a first active material layer that is adhered to one surface of the first collector sheet. The second electrode has a polarity different from that of the first electrodes, and comprises a second collector sheet and second active material layers that are adhered to both surfaces of the second collector sheet. The content (x) of the nonaqueous electrolyte per unit area of the first active material layer is larger than the content (y) of the nonaqueous electrolyte per unit area of the second active material layer.

UEDA TOMOHIRO
ASANO YUYA
SANO YOKO

PCT/JP2015/000625

September 11, 2015

February 12, 2015

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PANASONIC IP MAN CO LTD (JP)

H01M10/0585; H01M4/06; H01M4/13; H01M4/62; H01M6/16; H01M50/119; H01M50/121; H01M50/129; H01M50/133

WO2005013408A1	2005-02-10
WO2008029719A1	2008-03-13

JP2013138096A	2013-07-11
JP2013191391A	2013-09-26
JPH01302660A	1989-12-06
JP2007214038A	2007-08-23
JP2013016515A	2013-01-24
JP2005183073A	2005-07-07
JP2006210089A	2006-08-10
JP2007109636A	2007-04-26
JP2011113667A	2011-06-09
JP2011204490A	2011-10-13

FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)

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