Sulfonated polymer composition for forming fuel cell electrodes

Details Sulfonated polymer composition for forming fuel cell electrodes Sulfonated polymer composition for forming fuel cell electrodes

2003-04-01

2009-06-09

Truong, Duc (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

C528S364000, C528S363000, C528S373000, C521S027000, C521S033000, C429S209000, C429S212000, C429S213000

Reexamination Certificate

active

07544764

ABSTRACT:
A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated polymer and a mixture of solvents is used to form the electrodes on the exchange membrane. The dispersion ink allows for the electrodes to be formed directly on the exchange membrane without significantly dissolving the exchange membrane.

REFERENCES:
patent: WO 02/25764 (2002-03-01), None
Wang, et al., Synthesis of sulfonated poly(Arlene ether sulfone)s via direct polymerization, Mar. 2000, Chem Abstract 132: 334953.

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