Title:
スルホン酸基含有ポリマーを含むプロトン伝導性高分子電解質膜および燃料電池におけるその使用
Document Type and Number:
Japanese Patent JP2005534785
Kind Code:
A
Abstract:
A proton conducting polymer membrane comprising sulfonic acid group containing polymers is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing phosphoric acid and vinyl containing sulfonic acid to form a solution or dispersion and heating under an inert gas to form a polyazole polymer, applying a layer of the mixture onto a support and polymerization of the vinyl containing sulfonic acid. A proton conducting polymer membrane comprising phosphoric acid and sulfonic acid group containing polymers is prepared by: (a) mixing at least one aromatic tetra-amino compound with at least one aromatic carboxylic acid or its ester that has at least 2 acid groups per carboxylic acid monomer or mixing at least one (hetero)aromatic diaminocarboxylic acid, in vinyl containing phosphoric acid and vinyl containing sulfonic acid to form a solution or dispersion; (b) heating the resulting solution or dispersion under an inert gas up to 350 degreesC to form a polyazole polymer; (c) applying a layer of the mixture from step (A) or (B) onto a support and; (d) polymerization of the vinyl containing sulfonic acid in the flat sheet from step (C). Independent claims are included for: (1) an electrode having a proton conducting polymer coating of the membrane (I) prepared by application of the mixture (A) onto an electrode, heating to 350(280) degreesC under inert gas to form a polyazole polymer and polymerization of the vinyl containing phosphoric acid and vinyl containing sulfonic acid; (2) a membrane-electrode unit (II) containing at least one electrode and a membrane (I) and; (3) a fuel cell containing at least one membrane-electrode unit (II).
Inventors:
Kiefer, Joachim
Yunzar, amer
Karundan, Gordon
Yunzar, amer
Karundan, Gordon
Application Number:
JP2004526831A
Publication Date:
November 17, 2005
Filing Date:
July 31, 2003
Export Citation:
Assignee:
Pemeas Game Behr
International Classes:
C08J5/22; B01D67/00; B01D69/14; B01D71/62; B01D71/72; C08F2/44; C08F283/04; C08G61/12; C08G73/06; C08G73/08; C08G73/18; C08G79/04; H01B1/06; H01M8/02; H01M8/10; (IPC1-7): C08J5/22; C08F2/44; C08F283/04; C08G73/08; H01B1/06; H01M8/02; H01M8/10
Attorney, Agent or Firm:
Eisuke Fujimoto