プロトン伝導膜およびその製造方法、膜-電極接合体、固体高分子型燃料電池

Title:

プロトン伝導膜およびその製造方法、膜-電極接合体、固体高分子型燃料電池

Document Type and Number:

Japanese Patent JP5407429

Kind Code:

B2

Abstract:

To obtain a proton conducting membrane which is hardly wrinkled, has great strength, excels in size stability and excels in durability over a long period.

The proton membrane has a polymer impregnated layer which is formed by impregnating [B] unwoven cloth with [A] polyarylene system copolymer and a layer which is in contact with the polymer impregnated layer on both sides and is composed of the [A] polyarylene system copolymer. [A] is a polyarylene system copolymer containing a fused aromatic ring structural unit expressed by formula (2) and a structural unit having a sulfonic acid group expressed by formula (13) and [B] is unwoven cloth composed of continuous fiber with a voidage within a range of 60 to 95%. In formula (2), A and D indicate direct coupling, one kind of structure selected from a group composed by -O-, -S-, -CO-, -SO2-, etc., B indicates an atomic oxygen, Ph indicates a binary radical having a fused aromatic ring structure, R1to R20indicate one kind of atom or radical that is selected from a group composed of hydrogen atom, fluorine atom, alkyl group and nitril group, etc., l, m indicate integral numbers from 0 to 4, q indicates an integral number that is 2 or more and t indicates an integral number from 0 to 4. A composition ratio of respective composition unit is indicated by n, p. In formula (13), Z indicates direct coupling or at least one of structure selected from a group composed of -O-, -S-. Y indicates one kind of structure selected from a group composed of -CO-, -SO2-, etc. Ar indicates an aromatic group having a substituent expressed by -SO3H, -O(CH2)hSO3H. c, d indicate integral numbers from 0 to 10 and k indicates integral numbers from 1 to 4.

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Inventors:

Yasuhiro Sakakura

Application Number:

JP2009049646A

Publication Date:

February 05, 2014

Filing Date:

March 03, 2009

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Assignee:

JSR CORPORATION

International Classes:

H01M8/02; C08G61/12; C08G65/40; C08G85/00; H01B1/06; H01B13/00; H01M8/10

Domestic Patent References:

JP2005222736A
JP2007018995A
JP2008243420A
JP2007010731A1
JP2007083467A

Attorney, Agent or Firm:

Patent corporation ssinpat
Koji Makimura
Chihata Takahata

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