H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/04 (2006.01) B60L 11/18 (2006.01) H01M 8/22 (2006.01) H01M 8/24 (2006.01)
Patent
CA 2320644
In an improved method, the voltage of one or more cells in a fuel cell stack is monitored. The monitored voltage is compared to first and second preselected voltage values as a function of load, where the second preselected value is less than the first preselected value. Next, either a first signal is generated if the monitored voltage is less than the first preselected voltage value and greater than or equal to the second preselected voltage value; or a second signal is generated if the monitored voltage is less than the second preselected voltage value.
Chalfant Robert W.
Clingerman Bruce J.
Keskula Donald H.
General Motors Corporation
Gm Global Technology Operations Inc.
Gowling Lafleur Henderson Llp
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