A micro passive direct methanol fuel cell with high performance via plasma electrolytic oxidation on aluminum-based substrate

Huichao Deng, Xuelin Zhang, Zezhong Ma, Hailong Chen, Qiu Sun, Yufeng Zhang and Xiaowei Liu

Energy, 2014, vol. 78, issue C, 149-153

Abstract: In this paper, a μDMFC (micro direct methanol fuel cell) with high performance was fabricated by adopting aluminum alloys as a substrate for the first time. PEO (plasma electrolytic oxidation) was adopted to prepare an oxide coating on the substrate to make it electrically non-conductive and corrosion resistant. The PEO-treated substrate shows excellent corrosion resistance in the simulated DMFC environment. Based on the substrate, a μDMFC was fabricated by using stainless steel fiber felt as a cathode current collector that was supported by a perforate flow field on the end plate to reduce the contact resistance. The results show that the cell can provide a peak power density as high as 40.90 mW cm−2 at room temperature of ca. 298 K. The research work presented in this paper provides another way for the design and fabrication of μDMFC.

Keywords: Direct methanol fuel cell; Plasma electrolytic oxidation; Current collector; Corrosion; Water flooding (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:78:y:2014:i:c:p:149-153

DOI: 10.1016/j.energy.2014.09.070

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