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Title:
PARTITION MEMBER AND ASSEMBLED BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/189850
Kind Code:
A1
Abstract:
The purpose of the invention is to prevent gaps between a partition member and a single battery cell. A partition member that has a thickness direction and a planar direction orthogonal to the thickness direction and that separates single battery cells from each other in the thickness direction or separates a single battery cell from a component that is not a single battery cell, said partition member including insulation material and an auxiliary member that is disposed adjacent to the insulation material in the planar direction and that regulates the range of contraction in the thickness direction. The ratio of the density of the auxiliary member to the density of the insulation material is 0.50 to 6.0.

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Inventors:
HONDA TATSUHIKO (JP)
MARU NAOTO (JP)
Application Number:
PCT/JP2019/014237
Publication Date:
October 03, 2019
Filing Date:
March 29, 2019
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
H01M2/10; H01M10/625; H01M10/647; H01M10/658
Domestic Patent References:
WO2010143408A12010-12-16
Foreign References:
JP2014157747A2014-08-28
JP2016121804A2016-07-07
JP2016084836A2016-05-19
JP2014157747A2014-08-28
JP2011108617A2011-06-02
JP2013219027A2013-10-24
US6146783A2000-11-14
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
Download PDF:
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