Title:
METHOD FOR PRODUCING BATTERY EQUIPPED WITH LAMINATE-FILM OUTER PACKAGE
Document Type and Number:
WIPO Patent Application WO/2023/190128
Kind Code:
A1
Abstract:
The present invention pertains to a method for producing a battery equipped with a laminate-film outer package in which an electrode body (50) is outer-packaged with a laminate film (120). The present invention includes: an outer-packaging step for outer-packaging the electrode body (50) with a laminate-film outer package; and a sealing step for sealing the periphery of the electrode body (50) with the laminate-film outer package. The sealing step comprises: a first-stage sealing step for welding, while leaving a non-welded part at a leading end portion, an inner resin layer inward of the non-welded part; and a second-stage sealing step for heating and pressing the non-welded part, and pushing the inner resin layer outwardly, to thereby cover, with the inner resin layer, an end surface of a metal layer at the leading end of the laminate-film outer package.
Inventors:
OKUDA KAZUHIRO
Application Number:
PCT/JP2023/011762
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
PANASONIC ENERGY CO LTD (JP)
International Classes:
H01M50/105; H01M10/058; H01M50/129; H01M50/178
Foreign References:
| JP2005129344A | 2005-05-19 | |||
| JP2002280271A | 2002-09-27 | |||
| JP2010080326A | 2010-04-08 | |||
| JP2005108486A | 2005-04-21 |
Attorney, Agent or Firm:
YKI Intellectual Property Attorneys (JP)
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