Title:
POLYMER MOLDED BODY, BATTERY PACK, AND METHOD FOR PRODUCING POLYMER MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2022/138436
Kind Code:
A1
Abstract:
This polymer molded body is for attachment to the outer periphery of one or more lithium ion secondary batteries having a safety valve or an exhaust hole so that at least the safety valve or the exhaust hole is covered. The polymer molded body is characterized in that the thermal conductivity (measurement temperature of 33ºC) thereof as measured by a steady-state comparative longitudinal heat flow method in accordance with JIS H7903:2008 is 1.0 W/m•K or more, the thickness of the part of the polymer molded body covering the safety valve or the exhaust hole is 0.3-10.0 mm, and the compressive modulus of the polymer molded body is 0.05 N/mm2 to 5.0 N/mm2 inclusive.
Inventors:
ASHIDA KEIKO (JP)
ZUSHI TOSHIHIRO (JP)
ZUSHI TOSHIHIRO (JP)
Application Number:
PCT/JP2021/046487
Publication Date:
June 30, 2022
Filing Date:
December 16, 2021
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
H01M50/202; H01M50/204; H01M50/229; H01M50/233; H01M50/342; H01M50/383
Domestic Patent References:
| WO2020066766A1 | 2020-04-02 | |||
| WO2020262187A1 | 2020-12-30 |
Foreign References:
| JP2020166992A | 2020-10-08 | |||
| JP2011178913A | 2011-09-15 | |||
| JP2009046964A | 2009-03-05 | |||
| JP2021190385A | 2021-12-13 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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