Patent Number: 8,304,143

Title: Conductive and hydrophilic coating for PEMFC bipolar plate

Abstract: An electrically conductive plate for fuel cell applications comprises a plate body having at least one channel-defining surface and an electrically conductive hydrophilic layer disposed over at least a portion of the channel-defining surface. The electrically conductive layer includes residues of a silane coupling agent and electrically conductive hydrophilic carbon.

Inventors: Blunk; Richard H. (Macomb Township, MI), Zhong; Feng (Troy, MI), Salguero; Tina T. (West Hills, CA), Kirby; Kevin W. (Calabasas Hills, CA)

Assignee: GM Global Technology Operations LLC

International Classification: H01M 8/02 (20060101)

Expiration Date: 2021-11-06 0:00:00