Novel Hydrogen Purification Device Integrated with PEM Fuel Cells
A prototype device containing twelve membrane tubes was designed, built, and demonstrated. The device produced almost 300 scfh of purified hydrogen at 200 psig feed pressure. The extent of purification met the program target of selectively removing enough impurities to enable industrial-grade hydrogen to meet purity specifications for PEM fuel cells. An extrusion process was developed to produce substrate tubes. Membranes met several test objectives, including completing 20 thermal cycles, exceeding 250 hours of operating life, and demonstrating a flux of 965 scfh/ft2 at 200 psid and 400 C.
- Research Organization:
- Praxair Incorporated
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-07NT43054
- OSTI ID:
- 1026502
- Country of Publication:
- United States
- Language:
- English
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