Title:
メタノール透過度を減少させるためにその中にポリアミンが吸収された燃料電池用固体ポリマー膜
Document Type and Number:
Japanese Patent JP2005507012
Kind Code:
A
Abstract:
The present invention provides for a solid polymer electrolyte membrane having a fluorinated ionomer having imbibed therein a non-fluorinated, non-ionomeric polymer, wherein the fluorinated ionomer comprises at least 6 mole % of monomer units having a fluorinated pendant group with a terminal ionic group, and wherein the non-ionomeric polymer is selected from the group consisting of a polyamine, a polyvinyl amine, and derivatives thereof. The invention also provides a catalyst coated membrane and a fuel cell having this solid polymer electrolyte membrane.
Inventors:
Howard, Edward
Application Number:
JP2003537146A
Publication Date:
March 10, 2005
Filing Date:
October 15, 2002
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C08J5/22; B01D67/00; B01D69/14; B01D71/32; B01J35/06; C08F259/08; C08J7/02; H01B1/06; H01B13/00; H01M4/86; H01M4/88; H01M4/92; H01M8/02; H01M8/06; H01M8/10; (IPC1-7): C08J7/02; H01B1/06; H01B13/00; H01M4/86; H01M4/92; H01M8/02; H01M8/06; H01M8/10
Attorney, Agent or Firm:
Heikichi Odashima