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学科主题: 物理化学
题名: Gas-phase electrocatalytic reduction of carbon dioxide using electrolytic cell based on phosphoric acid-doped polybenzimidazole membrane
作者: Gao, Dunfeng1, 2;  Cai, Fan1, 2;  Xu, Qinqin1;  Wang, Guoxiong1;  Pan, Xiulian1;  Bao, Xinhe1
通讯作者: 汪国雄 ;  包信和
关键词: carbon dioxide ;  gas-phase electrocatalytic reduction ;  platinum-molybdenum catalyst ;  Faradaic efficiency ;  formation rate
刊名: JOURNAL OF ENERGY CHEMISTRY
发表日期: 2014-11-01
DOI: 10.1016/S2095-4956(14)60201-1
卷: 23, 期:6, 页:694-700
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 ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: Carbon dioxide transformation to fuels or chemicals provides an attractive approach for its utilization as feedstock and its emission reduction. Herein, we report a gas-phase electrocatalytic reduction of CO2 in an electrolytic cell, constructed using phosphoric acid-doped polybenzimidazole (PBI) membrane, which allowed operation at 170 degrees C. Pt/C and PtMo/C with variable ratio of Pt/Mo were studied as the cathode catalysts. The results showed that PtMo/C catalysts significantly enhanced CO formation and inhibited CH4 formation compared with Pt/C catalyst. Characterization by X-ray diffraction, X-ray photoelectron spectroscopy and transmission electron microscopy revealed that most Mo species existed as MoO3 in PtMo/C catalysts and the interaction between Pt and MoOx was likely responsible for the enhanced CO formation rate although these bicomponent catalysts in general had a larger particle size than Pt/C catalyst.
关键词[WOS]: ELECTROCHEMICAL REDUCTION ;  CO2 REDUCTION ;  CONVERSION ;  CATALYSTS ;  NANOPARTICLES ;  ELECTRODES ;  TOLERANCE ;  COPPER
语种: 英语
WOS记录号: WOS:000346331100003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144238
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Gao, Dunfeng,Cai, Fan,Xu, Qinqin,et al. Gas-phase electrocatalytic reduction of carbon dioxide using electrolytic cell based on phosphoric acid-doped polybenzimidazole membrane[J]. JOURNAL OF ENERGY CHEMISTRY,2014,23(6):694-700.
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