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题名: Spontaneous reduction of Pt(IV) onto the sidewalls of functionalized multiwalled carbon nanotubes as catalysts for oxygen reduction reaction in PEMFCs
作者: Wei, Z. D.2, 3;  Yan, C.3;  Tan, Y.3;  Li, L.4;  Sun, C. X.2;  Shao, Z. G.5;  Shen, P. K.1;  Dong, H. W.2, 3
通讯作者: Z.D.Wei
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2008-02-21
DOI: 10.1021/jp709936p
卷: 112, 期:7, 页:2671-2677
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 301
产权排名: 4;5
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: This paper reports spontaneous formation of metal nanoparticles on the sidewalls of the functionalized MCNTs (FMCNTs) when the FMCNTs were immersed in corresponding metal salt solutions. At first, MCNTs were functionalized by oxidation of a mixture consisting of H2SO4/HNO3 or H2SO4/HNO2 and formed oxygen-containing functional groups such as -COOH, -OH, etc., by which the metal ions (pt(4+)) were reduced on the sidewalls of FMCNTs. No other substance that is suspicious of being a reducer was introduced in the pt(4+) ion reduction. The properties of FMCNTs and platinized FMCNTs were characterized electrochemically and instrumentally. The results showed that the electrode made from platinized FMCNTs with Pt loading of 0.12 mg cm(-2) had enhanced catalytic activity for the oxygen reduction reaction over one made from commercial Pt/C catalyst with Pt loading of 0.27 mg cm(-1).
关键词[WOS]: MEMBRANE FUEL-CELLS ;  ELECTROCATALYTIC PROPERTIES ;  METHANOL ELECTROOXIDATION ;  HIGH DISPERSION ;  PLATINUM ;  NANOPARTICLES ;  ELECTRODE ;  DEPOSITION ;  SUPPORT ;  OXIDATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000253222200066
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101351
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.Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China
2.Chongqing Univ, State Key Lab Power Transmis Equipment & Syst Sec, Chongqing 400044, Peoples R China
3.Chongqing Univ, Sch Chem & Chem Engn, Chongqing 400044, Peoples R China
4.Chongqing Univ, Sch Mat Sci & Engn, Chongqing 400044, Peoples R China
5.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wei, Z. D.,Yan, C.,Tan, Y.,et al. Spontaneous reduction of Pt(IV) onto the sidewalls of functionalized multiwalled carbon nanotubes as catalysts for oxygen reduction reaction in PEMFCs[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2008,112(7):2671-2677.
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