期刊
ENERGY
卷 121, 期 -, 页码 256-263出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2017.01.031
关键词
Unitized regenerative fuel cell; Electrolyser; Contact resistance; Operating pressure; Clamping pressure
资金
- Solar Energy Research Institute for India
- U.S. (SERIIUS) - U.S. Department of Energy (Office of Science, Office of Basic Energy Sciences, and Energy Efficiency and Renewable Energy, Solar Energy Technology Program) [DE AC36-08G028308]
- Office of International Affairs
- U.S. (SERIIUS) - Government of India [IUSSTF/JCERDC-SERIIUS/2012]
Unitized regenerative fuel cell (URFC) is considered to be the compact solution to generate and utilize hydrogen. It possesses combined capabilities of operating in fuel cell and electrolyser modes. In the present study, the performance of a URFC in electrolyser mode is modelled and also experimentally validated. The performances are being modelled using a combination of structural and CFD analysis tool. The effect of the operating gas pressure on the variation in the contact pressure between GDL and BPP on the performances are studied. The clamping pressure, as well as the operating pressure of the electrolyser, are seen to have a high impact on the contact resistance and thereby the performance as well. It is observed that the simulated polarization behavior is in good agreement with the experimental results. To restrict the area specific resistance below 150 m Omega) cm(2) the operating pressure should be maintained below 5.9 bar at clamping pressure of 1.5 MPa. (C) 2017 Elsevier Ltd. All rights reserved.
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