期刊
JOURNAL OF POWER SOURCES
卷 185, 期 1, 页码 392-400出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2008.06.050
关键词
Methanol; Fuel cell; Membrane; Carbon dioxide
资金
- Test Resource Management Center (TRMC)
- Test and Evaluation/Science and Technology (TE/ST)
- TE/ST Program
- Naval Undersea Warfare Center, Newport, RI [N66604-06-C-2330]
- Georgia Research Alliance
Passive, stand-alone, direct methanol fuel cells require a pressure management system that releases CO2 produced in the anode chamber. However, this must be done without allowing the methanol fuel to escape. In this paper, two siloxane membranes are investigated and shown to selectively vent CO2 from the anode chamber. The addition of hydrophobic additives, 1,6-divinylperfluorohexane and 1,9-decadiene, improved the selectivity of the siloxane membranes. The best performing CO2 vent was obtained with 50:50 wt% poly(1-trimethyl silyl propyne) and 1,6-divinylperfluorohexane. (C) 2008 Elsevier B.V. All rights reserved.
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