PEM fuel cell monitoring system

Patent · Tue Jun 09 00:00:00 EDT 1998

OSTI ID:672545

Meltser, M A; Grot, S A

Method and apparatus are disclosed 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. 2 figs.

• Research Organization: General Motors LLC, Detroit, MI (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-90CH10435
• Assignee: General Motors Corp., Detroit, MI (United States)
• Patent Number(s): US 5,763,113/A/
• Application Number: PAN: 8-702,895
• OSTI ID: 672545
• Resource Relation: Other Information: PBD: 9 Jun 1998
• Country of Publication: United States
• Language: English

Related Subjects

30 DIRECT ENERGY CONVERSION
SOLID ELECTROLYTE FUEL CELLS
HYDROGEN FUEL CELLS
PERFORMANCE
MONITORING
VOLTMETERS
EXHAUST GASES
GAS ANALYSIS
HYDROGEN