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Patent Searching and Data


Title:
BATTERY PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2014/123164
Kind Code:
A1
Abstract:
[Problem] To provide a battery packaging material which can ensure safety even when the pressure or temperature increase in a battery has progressed persistently. [Solution] A battery packaging material which is made of a laminate comprising, as the essentials, a base material layer, a metal layer and a sealant layer in this order. When a product obtained by packaging a battery element with the packaging material in a hermetically sealed state through heat sealing is heated, the packaging material delaminates at at least a part of the interface between the metal layer and the outside surface of the sealant layer with the hermetically sealed state being kept, and thereafter works so as to make the product unsealed.

Inventors:
DOUKE HIROKI (JP)
SHINOHARA YOSHIHIRO (JP)
SUZUKI TSUYOSHI (JP)
YAMASHITA RIKIYA (JP)
YOKOTA KAZUHIKO (JP)
KANDORI MASAKAZU (JP)
HORI YAICHIRO (JP)
OJIRI TETSUYA (JP)
Application Number:
PCT/JP2014/052696
Publication Date:
August 14, 2014
Filing Date:
February 05, 2014
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B15/08; B32B27/32; H01M50/119; H01M50/121; H01M50/129; H01M50/133; H01M50/186; H01M50/193
Foreign References:
JP2001229887A2001-08-24
JP2012003919A2012-01-05
JP2012203982A2012-10-22
JP2003036822A2003-02-07
JP2002245983A2002-08-30
JP2012234816A2012-11-29
JP2012174438A2012-09-10
JP2001202927A2001-07-27
JP2012203982A2012-10-22
Other References:
See also references of EP 2955770A4
Attorney, Agent or Firm:
Yamada, Iichiro et al. (JP)
Yamada 威 1 郎 (JP)
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