| 阳极流场结构对直接甲醇燃料电池性能影响研究 |
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| 引用本文： | 李苗苗,刘冲,梁军生,孙焕丽,王蕾. 阳极流场结构对直接甲醇燃料电池性能影响研究[J]. 科技导报(北京), 2009, 27(20): 97-101 |
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| 作者姓名： | 李苗苗 刘冲 梁军生 孙焕丽 王蕾 |
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| 作者单位： | 大连理工大学机械工程学院,微纳米技术及系统辽宁省重点实验室,辽宁大连,116023;大连理工大学机械工程学院,微纳米技术及系统辽宁省重点实验室,辽宁大连,116023;大连理工大学机械工程学院,精密与特种加工技术教育部重点实验室,辽宁大连,116023 |
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| 基金项目： | 国家自然科学基金项目(50575036,50805013) |
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| 摘 要： | 直接甲醇燃料电池(DMFC)以其能量密度高、环境友好、结构简单和储存携带方便等优点在便携式产品领域得到广泛关注。流场结构设计是否合理是影响燃料电池输出性能的关键因素之一。本文采用非均衡流场的设计思路,对比了非均衡蛇形流场和均衡蛇形流场的DMFC输出性能。实验结果表明,非均衡蛇形流场结构能够提高DMFC的输出性能,当DMFC水平放置时,非均衡蛇形流场的DMFC峰值功率比均衡蛇形流场的DMFC提高33%左右;均衡蛇形流场的DMFC竖直方式放置时,其输出性能比水平放置时有明显提高,而非均衡蛇形流场的DMFC竖直方式放置时,其输出性能与水平放置时相差不多。
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| 关 键 词： | 直接甲醇燃料电池 流场结构 性能 |
Influence of Anode Flow Field on the Performance of Micro Direct Methanol Fuel Cell |
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| LI Miaomiao,LIU Chong,,LIANG Junsheng,SUN Huanli,WANG Lei.Key Laboratory for Micro/Nano Technology , System of Liaoning Province,School of Mechanical Engineering,Dalian University of Technology,Dalian ,Liaoning Province,China .Key Laboratory for Precision , Non-traditional Machining Technology of the Ministry of Education,China. Influence of Anode Flow Field on the Performance of Micro Direct Methanol Fuel Cell[J]. Science & Technology Review, 2009, 27(20): 97-101 |
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| Authors: | LI Miaomiao LIU Chong LIANG Junsheng SUN Huanli WANG Lei.Key Laboratory for Micro/Nano Technology System of Liaoning Province School of Mechanical Engineering Dalian University of Technology Dalian Liaoning Province China .Key Laboratory for Precision & Non-traditional Machining Technology of the Ministry of Education China |
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| Affiliation: | LI Miaomiao1,LIU Chong1,2,LIANG Junsheng1,SUN Huanli1,WANG Lei11.Key Laboratory for Micro/Nano Technology , System of Liaoning Province,School of Mechanical Engineering,Dalian University of Technology,Dalian 116023,Liaoning Province,China 2.Key Laboratory for Precision & Non-traditional Machining Technology of the Ministry of Education,China |
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| Abstract: | Recently, the direct methanol fuel cell(DMFC) has been drawing an increasing attention of researchers to the power applications of advanced portable electronics, because of its advantages such as high theoretical power density, good efficiency,relatively simple system features and convenience in use.The design of its flow field is one of key factors for DMFC performance.In this paper, a non-equipotent flow field, with the channel width being gradually changed along the channel length, is designed.Transparen... |
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| Keywords: | direct methanol fuel cell flow field design performance |
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