COATING SOLUTION FOR PRODUCING CATION-CONDUCTIVE POLYMER COMPOSITE MEMBRANE, METHOD FOR PRODUCING CATION-CONDUCTIVE POLYMER COMPOSITE MEMBRANE BY USING THE SAME, MEMBRANE-ELECTRODE JOINT, AND FUEL CELL

Title:

Document Type and Number:

Japanese Patent JP2008184608

Kind Code:

A

Abstract:

To provide a slurry-form coating solution that can give a cation-conductive polymer composite membrane that has excellent ion conductivity since it has low ohmic resistance although it has a low methanol permeability, when it is applied to a direct methanol type fuel cell by pluralizing the kinds of solvents that are used in the production of the cation-conductive polymer composite membrane and by specifying the kinds of additives.

The coating solution for producing a cation-conductive polymer composite membranes comprises 1 to 10 pts.wt. sulfonated clay and a co- solvent including a high boiling solvent boiling at 180 to 250C and a low boiling solvent boiling at 100 to 180C, based on 100 pts.wt. of a polymer having cation-exchangeable group.

Inventors:

KIM TAE KYOUNG
KANG MYEONG SOON
CHOI YONG SEOK
KIM HAE KYOUNG
LEE WON MOK

Application Number:

JP2007336337A

Publication Date:

August 14, 2008

Filing Date:

December 27, 2007

Export Citation:

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Assignee:

CHEIL IND INC

International Classes:

C09D201/02; B05D3/02; B29C41/12; C08J7/04; C09D5/00; C09D7/12; H01M8/02; B29L7/00; B29L9/00

Domestic Patent References:

JP2002012744A	2002-01-15
JP2002260687A	2002-09-13
JP2008034163A	2008-02-14
JP2008106098A	2008-05-08
JP2003175340A	2003-06-24
JP2005079099A	2005-03-24

Attorney, Agent or Firm:

Miaki Kametani
Tetsuo Kanamoto

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