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Factors influencing the performance of catalysts in direct methanol fuel cells
Chen Weimin; Sun Gongquan; Mao Qing; Yang Shaohua; Sun Pichang; Xin Qin
关键词Direct Methanol Fuel Cell Electrocatalyst Performance Degradation Temperature Potential
刊名CHINESE JOURNAL OF CATALYSIS
2007-08-01
28期:8页:703-708
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]PTRU NANOPARTICLES ; OXIDATION ; ELECTROCATALYSTS ; PLATINUM ; CARBON ; DEMS ; ELECTROOXIDATION ; DURABILITY ; ELECTRODE ; PATHWAYS
英文摘要Several factors including temperature, potential, and intermediates that influence the performance of electrocatalysts in direct methanol fuel cells were examined. The results show that the sintering process of Pt catalyst particles was accelerated at high temperatures, and for PtRu catalysts, this process was largely inhibited by ruthenium oxides/hydroxides. The alloying degree of PtRu catalysts was elevated to some extent after the discharge test at a high temperature. The degradation of electrocatalysts was accelerated by high potential. The methanol oxidation reaction was hindered to some extent by intermediates such as formic acid and formaldehyde, especially the latter.
语种英语
WOS记录号WOS:000249472100008
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140499
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Shenyang Ligong Univ, Sch Environm & Chem Engn, Shenyang 110168, Liaoning, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Chen Weimin,Sun Gongquan,Mao Qing,et al. Factors influencing the performance of catalysts in direct methanol fuel cells[J]. CHINESE JOURNAL OF CATALYSIS,2007,28(8):703-708.
APA Chen Weimin,Sun Gongquan,Mao Qing,Yang Shaohua,Sun Pichang,&Xin Qin.(2007).Factors influencing the performance of catalysts in direct methanol fuel cells.CHINESE JOURNAL OF CATALYSIS,28(8),703-708.
MLA Chen Weimin,et al."Factors influencing the performance of catalysts in direct methanol fuel cells".CHINESE JOURNAL OF CATALYSIS 28.8(2007):703-708.
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