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Effects of Anode Flow Field Design on CO2 Bubble Behavior in mu DMFC
Li, Miaomiao1; Liang, Junsheng1,2; Liu, Chong1,2; Sun, Gongquan3; Zhao, Gang3
关键词Mu Dmfc Flow Field Pressure Drop Co2 Bubbles
刊名SENSORS
2009-05-01
DOI10.3390/s90503314
9期:5页:3314-3324
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
研究领域[WOS]Chemistry ; Electrochemistry ; Instruments & Instrumentation
关键词[WOS]METHANOL FUEL-CELLS ; PROTON-EXCHANGE MEMBRANE ; PRESSURE-DROP ; PERFORMANCE ; CHANNEL ; VISUALIZATION
英文摘要Clogging of anode flow channels by CO2 bubbles is a vital problem for further performance improvements of the micro direct methanol fuel cell (mu DMFC). In this paper, a new type anode structure using the concept of the non-equipotent serpentine flow field (NESFF) to solve this problem was designed, fabricated and tested. Experiments comparing the mu DMFC with and without this type of anode flow field were implemented using a home-made test loop. Results show that the mean-value, amplitude and frequency of the inlet-to-outlet pressure drops in the NESFF is far lower than that in the traditional flow fields at high mu DMFC output current. Furthermore, the sequential images of the CO2 bubbles as well as the mu DMFC performance with different anode flow field pattern were also investigated, and the conclusions are in accordance with those derived from the pressure drop experiments. Results of this study indicate that the non-equipotent design of the mu DMFC anode flow field can effectively mitigate the CO2 clogging in the flow channels, and hence lead to a significant promotion of the mu DMFC performance.
语种英语
WOS记录号WOS:000266381100010
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141312
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Key Lab Micro Nano Technol & Syst Liaoning Prov, Dalian 116023, Liaoning Prov, Peoples R China
2.Dalian Univ Technol, Key Lab Precis & Nontradit Machining Technol, Minist Educ, Dalian 116023, Liaoning Prov, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, Dalian, Liaoning Prov, Peoples R China
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Li, Miaomiao,Liang, Junsheng,Liu, Chong,et al. Effects of Anode Flow Field Design on CO2 Bubble Behavior in mu DMFC[J]. SENSORS,2009,9(5):3314-3324.
APA Li, Miaomiao,Liang, Junsheng,Liu, Chong,Sun, Gongquan,&Zhao, Gang.(2009).Effects of Anode Flow Field Design on CO2 Bubble Behavior in mu DMFC.SENSORS,9(5),3314-3324.
MLA Li, Miaomiao,et al."Effects of Anode Flow Field Design on CO2 Bubble Behavior in mu DMFC".SENSORS 9.5(2009):3314-3324.
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