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首页> 外文期刊>Integrated Ferroelectrics >Silicon-based Micro Direct Methanol Fuel Cell Stack to Power Portable Devices Using MEMS Technology
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Silicon-based Micro Direct Methanol Fuel Cell Stack to Power Portable Devices Using MEMS Technology

机译：基于硅的微型直接甲醇燃料电池堆，利用MEMS技术为便携式设备供电

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摘要

A design configuration is presented for integrated series connection of micro direct methanol fuel cells in a planar array. The series path is oriented in a "flip-flop" configuration with electrical interconnections made by thin-film metal layers that coat the flow channels etched on the silicon substrate, presenting the unique advantage of small connection space and low connecting resistance. To overcome the disadvantage of "flip-flop" interconnection that reactant chambers must alternate between fuel and oxidant, an innovative reactant feeding configuration was designed, providing a uniform reactant feeder and reliable hermetic seals for a multitude of unit cavities per cell. The MEMS fabrication process was adopted to fabricate the silicon plates. The elements of reactant feeder were mechanically carved from PMMA and were assembled with the cells by agglutinant. Application of μDMFC stacks as portable power sources were demonstrated using small electric devices powered by this stack.
机译：提出了用于平面阵列中的微型直接甲醇燃料电池的集成串联连接的设计配置。串联路径的取向为“触发器”配置，其电气互连由薄膜金属层制成，该金属层覆盖了蚀刻在硅基板上的流道，呈现出连接空间小和连接电阻低的独特优势。为了克服“触发器”互连的缺点，即反应室必须在燃料和氧化剂之间交替，设计了一种创新的反应物进料配置，提供了均匀的反应物进料器和可靠的气密密封，可为每个电池提供多个单位腔体。采用MEMS制造工艺来制造硅板。反应物进料器的元件由PMMA机械雕刻而成，并通过凝集剂与细胞组装在一起。使用由该堆叠供电的小型电气设备演示了μDMFC堆叠作为便携式电源的应用。

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