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Title:
HEAT TRANSFER SUPPRESSION SHEET FOR BATTERY PACK, AND BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2019/225643
Kind Code:
A1
Abstract:
A heat transfer suppression sheet for a battery pack is provided with which, when the battery pack is constituted from a plurality of battery cells connected in series or in parallel, it is possible to effectively cool the battery cells during normal use, while suppressing the propagation of heat among the battery cells during abnormal use. A heat transfer suppression sheet used in a battery pack in which a plurality of battery cells is disposed with the heat transfer suppression sheet interposed therebetween, the plurality of battery cells being connected in series or in parallel, wherein the heat transfer suppression sheet is characterized by having a heat transfer suppression layer containing inorganic particles and or inorganic fibers, and having a grooved section communicating with the end faces in the in-plane direction of the heat transfer suppression layer, the surface of the grooved section having a concave/convex shape.

Inventors:
TAKAHASHI NAOKI (JP)
ANDO HISASHI (JP)
HATANAKA KIYONARI (JP)
Application Number:
PCT/JP2019/020257
Publication Date:
November 28, 2019
Filing Date:
May 22, 2019
Export Citation:
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Assignee:
IBIDEN CO LTD (JP)
International Classes:
H01M10/6555; B32B3/30; B32B9/00; H01M2/10; H01M10/613; H01M10/625; H01M10/647; H01M10/651; H01M10/658; H01M10/6595
Domestic Patent References:
WO2010026732A12010-03-11
Foreign References:
JP2010097693A2010-04-30
JP2009016285A2009-01-22
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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