Johnson Matthey Fuel Cells Limited

Johnson Matthey Public Limited Company

Johnson Matthey Inc.

Brian Ronald Theobald

David Thompsett

Thomas Robertson Ralph

Barry A Murrer

Jonathan David Brereton Sharman

Michael Ian Petch

Sarah Caroline Ball

Stephen David Pollington

Edward Anthony Wright

Chandresh Nemchand Malde

Martin John Hayes

Paul D Savage

A platinum alloy catalyst PtXY, wherein X is nickel, cobalt, chromium, copper, titanium or manganese and Y is tantalum or niobium, characterised in that in the alloy the atomic percentage of platinum is 46-75 at %, of X is 1-49 at % and of Y is 1-35 at %; provided that the alloy is not 66 at % Pt20 at % Cr14 at % Ta or 50 at % Pt, 25 at % Co, 25 at % Ta is disclosed. The catalyst has particular use as an oxygen reduction catalyst in fuel cells, and in particular in phosphoric acid fuel cells.

Ternary platinum alloy catalyst

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Growing community of inventors

Reading, United Kingdom

Brian Ronald Theobald