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Patent Searching and Data


Title:
PARTITION MEMBER AND ASSEMBLED BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/107561
Kind Code:
A1
Abstract:
A partition member for partitioning between unit cells constituting an assembled battery, or between a unit cell and a member other than the unit cell, wherein: the partition member includes an inclusion body capable of holding a liquid, and an exterior body having an internal space containing, in a sealed state, the liquid and the inclusion body; and the ratio [water absorption rate 2]/[water absorption rate 1] between water absorption rate 1, which indicates the water absorption rate when the inclusion body is compressed for one minute at a pressure of 0.05 kgf/cm2, and water absorption rate 2, which indicates the water absorption rate when the inclusion body is compressed for one minute at a pressure of 5 kgf/cm2, is 0.4 or above.

Inventors:
HONDA, Tatsuhiko (1-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 51, 〒1008251, JP)
KAWAI, Tomohiro (1-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 51, 〒1008251, JP)
MARU, Naoto (1-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 51, 〒1008251, JP)
Application Number:
JP2018/044272
Publication Date:
June 06, 2019
Filing Date:
November 30, 2018
Export Citation:
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Assignee:
MITSUBISHI CHEMICAL CORPORATION (1-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 51, 〒1008251, JP)
International Classes:
H01M10/658; H01M2/10; H01M10/613; H01M10/625; H01M10/647; H01M10/653; H01M10/6552; H01M10/6555
Foreign References:
JP2017103109A2017-06-08
JP2008277042A2008-11-13
JP2009054403A2009-03-12
JP2011023296A2011-02-03
Attorney, Agent or Firm:
IP FIRM SHUWA (Acropolis 21 Bldg. 8th Floor, 4-10 Higashi Nihonbashi 3-chome, Chuo-k, Tokyo 04, 〒1030004, JP)
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