Johnson Matthey Public Limited Company

Gregor Hoogers

Susan Joy Cooper

David Thompsett

Graham Alan Hards

Sarah Caroline Ball

An electrically conducting gas diffusion substrate, capable of removing oxidisable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a first catalyst supported on an electrically non-conducting support is disclosed. In addition, an electrode, a membrane electrode assembly and a fuel cell each comprising said electrically conducting gas diffusion substrate is disclosed.

Gas diffusion substrate and electrode

An electrically conducting gas diffusion substrate, capable of removing oxidizable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a first catalyst supported on an electrically non-conducting support is disclosed. In addition, an electrode, a membrane electrode assembly and a fuel cell each comprising said electrically conducting gas diffusion substrate is disclosed.

A poison tolerant anode structure for use in fuel cells, in particular suitable for use on proton exchange membrane fuel cells, comprising a first catalytic component Pt&#x2014;Y where Y is a bronze forming element, and optionally a third metal X alloyed with the platinum, and a second catalytic component Pt&#x2014;M where M, metal, is alloyed with the platinum. An anode, a catalysed membrane, a membrane electrode assembly and a fuel cell comprising the electrode structure, are disclosed.

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Birkenfeld, Germany

Gregor Hoogers