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Benzene electro-oxidation in a PEMFC for phenol and electricity cogeneration
Cai, R; Song, SQ; Ji, BF; Yang, WS; Xin, Q; Sun, GQ; Douvartzides, S; Tsiakaras, P; Yang WS(杨维慎); Tsiakaras; P.; Yang WS(杨维慎); Tsiakaras; P.
关键词Benzene Phenol Pemfc Pd Black
刊名APPLIED CATALYSIS B-ENVIRONMENTAL
2005-11-09
DOI10.1016/j.apcatb.2005.04.008
61期:3-4页:184-191
收录类别SCI
文章类型Article
部门归属5,3
项目归属504,305
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]FUEL-CELL SYSTEM ; OXYGEN REDUCTION ; OXIDATION ; ELECTRODE
英文摘要In the present investigation, the electrochemically-assisted oxidation of benzene in a H-2-O-2 proton exchange membrane fuel cell (PEMFC) for electricity and phenol cogeneration is studied. Experiments were carried out in a PEMFC electrochemical reactor using Pd black as cathode electrocatalyst at 60 and 80 degrees C, respectively and 1 atm back pressure. Indeed, it was found that the only product detected under the examined experimental conditions was phenol. The online GC product analysis revealed that it is impossible to produce phenol when the fuel cell circuit is open (I = 0) under all the examined experimental conditions. When the fuel cell circuit was closed, however, the phenol yield was found to follow a volcano-type dependence on the cur-rent of the external circuit. It was found that the maximum phenol yield was 0.35% at 100 mA/cm(2) at 80 degrees C. At the same time, the PEMFC performance was also investigated during the phenol generation process. Furthermore, experiments with the rotating ring disc electrode (RRDE) technique showed that the intermediate oxidation product, i.e. H2O2 existed during the oxygen electro-reduction process. The cyclic voltammograms showed that benzene was strongly adsorbed on the Pd surface, leading to a degradation of the PEMFC performance. (c) 2005 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000233066800002
引用统计
被引频次:5[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/321008/93353
专题中国科学院大连化学物理研究所
通讯作者Yang WS(杨维慎); Tsiakaras; P.; Yang WS(杨维慎); Tsiakaras; P.
作者单位1.CAS, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Thessalia, Sch Engn, Dept Mech Engn, Volos 38334, Greece
3.CAS, Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
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GB/T 7714
Cai, R,Song, SQ,Ji, BF,et al. Benzene electro-oxidation in a PEMFC for phenol and electricity cogeneration[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2005,61(3-4):184-191.
APA Cai, R.,Song, SQ.,Ji, BF.,Yang, WS.,Xin, Q.,...&P..(2005).Benzene electro-oxidation in a PEMFC for phenol and electricity cogeneration.APPLIED CATALYSIS B-ENVIRONMENTAL,61(3-4),184-191.
MLA Cai, R,et al."Benzene electro-oxidation in a PEMFC for phenol and electricity cogeneration".APPLIED CATALYSIS B-ENVIRONMENTAL 61.3-4(2005):184-191.
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