Direct methanol fuel cell stack based on MEMS technology

Yufeng Zhang; Xiaochuan Tang; Zhenyu Yuan; Xiaowei Liu

doi:10.1117/12.808711

12 January 2009 Direct methanol fuel cell stack based on MEMS technology

Yufeng Zhang, Xiaochuan Tang, Zhenyu Yuan, Xiaowei Liu

Proceedings Volume 7133, Fifth International Symposium on Instrumentation Science and Technology; 713349 (2009) https://doi.org/10.1117/12.808711
Event: International Symposium on Instrumentation Science and Technology, 2008, Shenyang, China

Abstract

This paper presents a design configuration of silicon-based micro direct methanol fuel cell (DMFC) stack in a planar array. The integrated series connection is oriented in a "flip-flop" configuration with electrical interconnections made by thin-film metal layers that coat the flow channels etched in the silicon substrate. The configuration features small connection space and low contact resistance. The MEMS fabrication process was utilized to fabricate the silicon plates of DMFC stack. This DMFC stack with an active area of 64mm x 11mm was characterized at room temperature and normal atmosphere. Experimental results show that the prototype stack is able to generate an open-circuit voltage of 2.7V and a maximum power density of 2.2mW/cm2, which demonstrate the feasibility of this new DMFC stack configuration.

Citation Download Citation

Yufeng Zhang, Xiaochuan Tang, Zhenyu Yuan, and Xiaowei Liu "Direct methanol fuel cell stack based on MEMS technology", Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 713349 (12 January 2009); https://doi.org/10.1117/12.808711

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