COMPOSITE ELECTROLYTE WITH CROSSLINKING AGENTS

Title:

COMPOSITE ELECTROLYTE WITH CROSSLINKING AGENTS

Document Type and Number:

WIPO Patent Application WO2005022669

Kind Code:

A3

Abstract:

A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics relative to such base material. This proposed approach is due, in part, to the observation that many aromatic and aliphatic polymer materials have significant potential as proton exchange membranes if a modification can increase their physical and chemical stabilities without sacrificing electrochemical performance or significantly increasing the material and production costs.

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Inventors:

KURANO MATTHEW R
PANAMBUR GANGADHAR
MADA KANNAN ARUNACHALA N
TAFT KARL M III

Application Number:

PCT/US2004/027938

Publication Date:

September 29, 2005

Filing Date:

August 27, 2004

Export Citation:

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Assignee:

HOKU SCIENT INC (US)

International Classes:

C08G65/40; C08G65/48; C08G75/24; C08J5/22; H01M8/10; (IPC1-7): H01M8/10; C08J5/20

Foreign References:

US6090895A

2000-07-18

Other References: