Daimler Ag

Lukas M Bonorand

Sean M MacKinnon

Keping Wang

Jing Li

Scott McDermid

Timothy James Peckham

A water insoluble additive for improving the performance of an ion-exchange membrane, such as in the context of the high temperature operation of electrochemical fuel cells. The insoluble additive comprises a metal oxide cross-linked matrix having proton conducting groups covalently attached to the matrix through linkers. In one embodiment, the metal is silicon and the cross-linked matrix is a siloxane cross-linked matrix containing silicon atoms cross-linked by multiple disiloxy bonds and having proton conducting groups covalently attached to the silicon atoms through alkanediyl linkers.

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Coquitlam, Canada

Lukas M Bonorand