H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/24 (2006.01) H01M 8/04 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2315138
In a fuel cell, at least one humidification cell stack is provided as an extension of the fuel cell. The cells of the humidification cell stack can be structurally similar to and include the same membrane as the individual cells of the fuel cell stack. Flows of fuel and oxygen are then arranged to pass through the humidification cell stack for exchange of moisture. Preferably, there are humidification sections at either end of the fuel cell stack, to enable moisture exchange between incoming fuel and discharged oxygen to one end and incoming oxygen and discharged fuel at the other end. The arrangement is expected to enhance uniform operating conditions within the fuel cell stack itself, so as to ensure optimum operating conditions throughout the fuel cell stack.
Chen Xuesong
Frank David
Bereskin & Parr
Hydrogenics Corporation
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