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Experimental Investigation of Performance of a Miniature Direct Methanol Fuel Cell in Short-Term Microgravity
Ye F; Wu F; Zhao JF(赵建福); Guo H(郭航); Wan SX(万士昕); Lv CP; Ma CF; Zhao JF
Source PublicationMicrogravity Science and Technology
2010
Volume22Issue:3Pages:347-352
ISSN0938-0108
AbstractExperimental study of a liquid fed direct methanol fuel cell has been conducted in different gravity environments. A small single cell with 5 cm x 5 cm active area has single serpentine channel on the graphite cathode polar plate and 11 parallel straight channels on the graphite anode flow bed. Cell voltage and current have been measured and two-phase flow in anode channels has been in situ visually observed. The experimental results indicate that the effect of gravity on power performance of the direct methanol fuel cell is large when the concentration polarization governs fuel cells operation. Gravitational effect becomes larger at higher current density. Increasing methanol feeding molarity is conducive to weaken the influence of gravity on performance of liquid fed direct methanol fuel cells. Increasing feeding flow rate of methanol solution from 6 to 15 ml/min could reduce the size of carbon dioxide bubbles, while the influence of gravity still exist. Transport phenomena inside direct methanol fuel cells in microgravity is also analyzed and discussed.
KeywordDirect Methanol Fuel Cells Microgravity Two-phase Flow Anode Flow-field Gas Evolution 2-phase Flow Behavior Dmfc
DOI10.1007/s12217-010-9228-3
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000281257700012
WOS KeywordANODE FLOW-FIELD ; GAS EVOLUTION ; 2-PHASE FLOW ; BEHAVIOR ; DMFC
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Funding OrganizationNational Natural Science Foundation of China [50406010, 50976006]
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43645
Collection国家微重力实验室
Corresponding AuthorZhao JF
Recommended Citation
GB/T 7714
Ye F,Wu F,Zhao JF,et al. Experimental Investigation of Performance of a Miniature Direct Methanol Fuel Cell in Short-Term Microgravity[J]. Microgravity Science and Technology,2010,22(3):347-352.
APA Ye F.,Wu F.,赵建福.,郭航.,万士昕.,...&Zhao JF.(2010).Experimental Investigation of Performance of a Miniature Direct Methanol Fuel Cell in Short-Term Microgravity.Microgravity Science and Technology,22(3),347-352.
MLA Ye F,et al."Experimental Investigation of Performance of a Miniature Direct Methanol Fuel Cell in Short-Term Microgravity".Microgravity Science and Technology 22.3(2010):347-352.
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