Title:
ADHESIVE FILM FOR METAL TERMINALS AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/110702
Kind Code:
A1
Abstract:
Provided is an adhesive film for metal terminals, having high adhesion between a packaging material and a metal terminal and also having excellent electrolyte resistance. The adhesive film for metal terminals is interposed between: a metal terminal electrically connected to an electrode in a battery element; and a packaging material sealing the battery element. The adhesive film for metal terminals comprises a laminate comprising at least one polypropylene layer and at least one acid-modified polypropylene layer. The acid-modified polypropylene layer constitutes a surface on at least one side of the adhesive film for metal terminals. A sea-island structure is observed when a cross-section of the polypropylene layer is observed using an electron microscope photograph and the polypropylene layer has a total thickness of 0.7–3.5 when the total thickness of the acid-modified polypropylene layer is 1.
Inventors:
HIRAKI KENTA (JP)
TAKAHAGI ATSUKO (JP)
YAMASHITA RIKIYA (JP)
TAKAHAGI ATSUKO (JP)
YAMASHITA RIKIYA (JP)
Application Number:
PCT/JP2017/045160
Publication Date:
June 21, 2018
Filing Date:
December 15, 2017
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B15/09; B32B27/32; H01G11/80; H01M50/105; H01M50/178
Foreign References:
| JP2016091939A | 2016-05-23 | |||
| JP2015232945A | 2015-12-24 | |||
| JP2015046405A | 2015-03-12 | |||
| JP2016126995A | 2016-07-11 | |||
| JP2014063679A | 2014-04-10 | |||
| JP2014123445A | 2014-07-03 |
Attorney, Agent or Firm:
TANAKA, Junya et al. (JP)
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