H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/04 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2315134
A fuel cell has a proton exchange membrane. In known manner, the fuel cell includes inlets and outlets for flow of an oxidant and for flow of a fuel gas, commonly hydrogen. To deal with the issue of humidification, the invention provides a recirculation conduit including a pump connected between the anode inlet and the anode outlet. A water separator is provided in the recirculation conduit, for separating water from fuel gas exiting the anode. A main fuel inlet is connected to the recirculation conduit, for supply of fuel. A branch conduit can be provided, to enable purge cycles and other options to be provided.
Chen Xuesong
Frank David
Bereskin & Parr
Hydrogenics Corporation
LandOfFree
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