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Performance research of a silicon-based micro direct methanol fuel cell

机译:硅基微型直接甲醇燃料电池的性能研究

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The design and fabrication for a novel silicon-based micro direct methanol fuel cell (μ-DMFC) of 0.64cm~2 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/cm~2 using 2M methanol solution.
机译:本文描述了一种新型的基于硅的微型直接甲醇燃料电池(μ-DMFC),其在<100>硅片上的有效面积为0.64cm〜2。 DMFC结构的新颖之处在于,已经制造出了排列在不对称网格中的阳极微通道,并且实验性试验的首要目标是在MEMS技术的基础上验证该新颖结构的可行性。对于两种不同的流场配置(网格和螺旋形),实验研究了不同操作参数对μ-DMFC性能的影响。初步测试结果表明,该新型μ-DMFC在室温下使用2M甲醇进料时表现出更好的性能,并且μ-DMFC在网格流场下的输出特性超过了在螺旋流场下的输出特性。结果表明,使用2M甲醇溶液的最大输出功率密度约为2.3mW / cm〜2。

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