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Proceedings Paper

Performance research of a silicon-based micro direct methanol fuel cell
Author(s): Yufeng Zhang; Xiaowei Liu; Chunguang Suo; Xuebin Lu; Hongyang Xia
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Paper Abstract

The design and fabrication for a novel silicon-based micro direct methanol fuel cell (μ-DMFC) of 0.64cm2 active area on <100> silicon wafer are described in this paper. The novelty of the DMFC structure is that the anodic micro channels arranged in the asymmetric mesh have been fabricated, and the first objective of the experimental trials is to verify the feasibility of the novel structure on the basis of MEMS technology. The effect of different operating parameters on μ-DMFC performances is experimentally studied for two different flow field configurations (grid and spiral). Preliminary testing results show that this novel μ-DMFC demonstrates the better performances using 2M methanol feed at room temperature, and the output characteristics of μ-DMFC with the grid flow field exceed the one with the spiral flow field. Results have demonstrated a maximum output power density of about 2.3mW/cm2 using 2M methanol solution.

Paper Details

Date Published: 21 April 2006
PDF: 8 pages
Proc. SPIE 6186, MEMS, MOEMS, and Micromachining II, 61860U (21 April 2006); doi: 10.1117/12.662351
Show Author Affiliations
Yufeng Zhang, Harbin Institute of Technology (China)
Xiaowei Liu, Harbin Institute of Technology (China)
Chunguang Suo, Harbin Institute of Technology (China)
Xuebin Lu, Harbin Institute of Technology (China)
Hongyang Xia, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 6186:
MEMS, MOEMS, and Micromachining II
Hakan Ürey; Ayman El-Fatatry, Editor(s)

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