Title:
THIN BATTERY
Document Type and Number:
WIPO Patent Application WO/2017/145212
Kind Code:
A1
Abstract:
A thin battery includes an electrode group, a nonaqueous electrolyte, and an external body. The electrode group is equipped with a first electrode, a second electrode, and a separator. The first electrode includes a first collector sheet and a first active material layer, and the second electrode includes a second collector sheet and a second active material layer. The first collector sheet includes a first tab extending in a first direction and has a first lead connected to the first tab. The second collector sheet includes a second tab extending in the first direction and has a second lead connected to the second tab. The external body has a sealing margin for holding the first lead and the second lead. A linear spacer is arranged between the sealing margin and the edge of the active material layer close to the sealing margin, a first gap is formed between the sealing margin and the spacer, and a second gap is formed between the spacer and the edge of the active material layer close to the sealing margin.
Inventors:
ASANO YUYA
UEDA TOMOHIRO
SANO YOKO
UEDA TOMOHIRO
SANO YOKO
Application Number:
PCT/JP2016/005231
Publication Date:
August 31, 2017
Filing Date:
December 27, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M50/103; H01M50/176; H01M50/489; H01M50/536; H01M50/55
Domestic Patent References:
| WO2015173686A1 | 2015-11-19 | |||
| WO2007105541A1 | 2007-09-20 |
Foreign References:
| JP2002252036A | 2002-09-06 | |||
| JP2005142028A | 2005-06-02 | |||
| JP2001236947A | 2001-08-31 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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