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U.S. Department of Energy
Office of Scientific and Technical Information

PEM fuel cell monitoring system

Patent ·
OSTI ID:871608
Method and apparatus for monitoring the performance of H.sub.2 --O.sub.2 PEM fuel cells. Outputs from a cell/stack voltage monitor and a cathode exhaust gas H.sub.2 sensor are corrected for stack operating conditions, and then compared to predetermined levels of acceptability. If certain unacceptable conditions coexist, an operator is alerted and/or corrective measures are automatically undertaken.
Research Organization:
General Motors Corp
DOE Contract Number:
AC02-90CH10435
Assignee:
General Motors Corporation (Detroit, MI)
Patent Number(s):
US 5763113
OSTI ID:
871608
Country of Publication:
United States
Language:
English