期刊
MICROELECTRONIC ENGINEERING
卷 119, 期 -, 页码 159-163出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mee.2014.02.006
关键词
Direct methanol fuel cell; Stainless steel fiber felt; Methanol crossover; Polarization loss
资金
- National Natural Science Funds of China [60806037, 61076105, 61176109]
In this paper, a membrane electrode assembly (MEA) that uses a stainless steel fiber felt (SSFF) to replace the anode current collector and backing layer is designed and fabricated for a micro-direct methanol fuel cell (DMFC). At the same time, a conventional MEA with carbon paper (CP) as the support layer of the anode gas diffusion layer was fabricated as a contrast experiment. To study the effect of the novel structure on the anode or cathode electrode process, a reference electrode was built inside a single cell. The results show that the novel MEA has a smaller cathode polarization by reducing the methanol crossover and provides a smaller anode polarization by improving the methanol transportation. (C) 2014 Elsevier B.V. All rights reserved.
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