Advanced direct methanol fuel cells. Final report
The goal of the program was an advanced proton-exchange membrane (PEM) for use as the electrolyte in a liquid feed direct methanol fuel cell which provides reduced methanol crossover while simultaneously providing high conductivity and low membrane water content. The approach was to use a membrane containing precross-linked fluorinated base polymer films and subsequently to graft the base film with selected materials. Over 80 different membranes were prepared. The rate of methanol crossover through the advanced membranes was reduced 90%. A 5-cell stack provided stable performance over a 100-hour life test. Preliminary cost estimates predicted a manufacturing cost at $4 to $9 per kW.
- Research Organization:
- Giner, Inc., Waltham, MA (US)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EE) (US)
- DOE Contract Number:
- FC02-98EE50536
- OSTI ID:
- 807456
- Report Number(s):
- DOE/EE/50536-4; DOE/EE-50536-C98-04Final.doc\\Z003; TRN: US200307%%551
- Resource Relation:
- Other Information: PBD: 1 Nov 1999
- Country of Publication:
- United States
- Language:
- English
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