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Patent Searching and Data


Title:
燃料電池単位セル
Document Type and Number:
Japanese Patent JP7259801
Kind Code:
B2
Abstract:
The present disclosure provides a fuel cell unit cell with high durability. The fuel cell unit cell of the disclosure with increased durability is a fuel cell unit cell having a membrane electrode assembly and a support frame bonded together by a hot-melt adhesive layer, wherein the membrane electrode assembly has an electrolyte membrane and a pair of electrode catalyst layers stacked on either side of the electrolyte membrane, and on at least one side of the membrane electrode assembly, the electrode catalyst layers are stacked inside the outer peripheral sides of the electrolyte membrane and the hot-melt adhesive layer bonds together the outer peripheral sides of the electrolyte membrane and the support frame, with the hot-melt adhesive layer comprising an ethylene-vinyl alcohol copolymer with an ethylene-derived unit content of 90 to 99 mol %, or a polyamide in which the main chain has 9 to 15 methylene groups for each amide group, or a mixture of the two.

Inventors:
Satoshi Nakazawa
Application Number:
JP2020085431A
Publication Date:
April 18, 2023
Filing Date:
May 14, 2020
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01M8/0284; H01M8/0273; H01M8/0276; H01M8/10; H01M8/1004; H01M8/1039; H01M8/1044
Domestic Patent References:
JP2006252858A
JP2007280719A
JP2016152109A
JP2017068908A
JP2016201307A
JP2014091802A
JP7120197B2
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Junichi Tsuruta
Koichi Ito
Nobuo Sekine
Tsutomu Kono
Shujiro Aoki