Patent · US Active

Membrane electrode assembly with hydrogenatable material for a fuel cell

US8283081B2 · kind B2 · utility

1Cited by

4References

13Claims

0Family size

Assignee

VOLKSWAGEN AKTIENGESELLSCHAFT · DE

Inventors

Andreas Huth · Wulfen, DE
Christiane Jacksch · Laatzen, DE
Martin Thomas · Faversham, GB

Key dates

Filing date	Sep 11, 2008
Grant date	Oct 9, 2012
Priority date	—
Expiry date	Apr 5, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a membrane-electrode assembly for a fuel cell with a proton-conducting membrane two catalyst layers adjoining both sides of the membrane, wherein the catalyst layers have an electrically conductive base material and at least one catalytic material deposited on the base material, and two gas diffusion layers adjoining the catalyst layers. The membrane and/or at least one of the catalyst layers and/or at least one of the gas diffusion layers includes at least one hydrogenatable material capable of binding hydrogen in a reversible exothermic hydrogenation operation by forming a hydride, depending on the temperature and/or pressure. The hydrogenatable material can be distributed in the gas diffusion layer and/or in the catalyst layer or can be present as a separate layer on at least one side of the gas diffusion electrode or the membrane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.