Title:
蓄電素子
Document Type and Number:
Japanese Patent JP6413351
Kind Code:
B2
Abstract:
In the state where a positive electrode (18) and a separator (21) are held in a case, the value of the ratio of the tensile elongation in a first direction of the separator to the tensile elongation in the first direction of a positive electrode substrate (22) is from 4 to 68. In the same state, the value of the ratio of the tensile elongation in a second direction of the separator to the tensile elongation in the second direction of the positive electrode substrate is from 4 to 68. The value of the ratio of the thickness of a heat-resistant layer (31) to the thickness of the positive electrode substrate is from 0.25 to 0.70. The proportion by mass of heat-resistant particles contained in the heat-resistant layer is from 30 to 99% by mass of the heat-resistant layer.
Inventors:
Akihiko Miyazaki
Sumio Mori
Tomonori Kako
Kenta Nakai
Sumio Mori
Tomonori Kako
Kenta Nakai
Application Number:
JP2014111289A
Publication Date:
October 31, 2018
Filing Date:
May 29, 2014
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M10/052; H01M4/62; H01M4/64; H01M50/434; H01M50/437; H01M50/449; H01M50/489; H01M50/494
Domestic Patent References:
| JP2003346786A | ||||
| JP2010165664A |
Foreign References:
| WO2008143005A1 | ||||
| KR1020100075086A |
Attorney, Agent or Firm:
Akatsuki Joint Patent Office
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