Composite bipolar plate separator structures for polymer...

Details Composite bipolar plate separator structures for polymer... Composite bipolar plate separator structures for polymer...

H - Electricity

01

M

H01M 2/14 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2334444

A bipolar separator plate for electrochemical cells, comprising a core layer (2) of a metal having high electrical and thermal conductivity and having oppositely facing surfaces and cladding layers (4) mechanically bonded to each of the oppositely facing surfaces. Each cladding layer (4) comprises an electrically-conductive polymer resistant to the electrochemical and environmental conditions to which will be exposed in the cell and effective to protect the core layer (2) from such conditions. The cladding layers (4) allow the separator plate to be used for extended periods of time in electrochemical cells and, in particular, in fuel cells of the PEM type.

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