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An acetic acid refluxing-electrohemistry combined strategy to activate supported-platinum electrocatalysts
Feng, Yan1,2; Pan, Jinding1,2; Liu, Hui1,3; Yang, Jun1,3
2017-02-01
Source PublicationPARTICUOLOGY
ISSN1674-2001
Volume30Pages:111-117
Abstract

Surfactant removal from the surface of platinum-based nanoparticles prepared using solution-based methods is a prerequisite to realize their high catalytic performance for electrochemical reactions. Herein, we report an effective approach combining acetic acid refluxing with an electrochemical process for the removal of amine-or thiol-based capping agents from the surface of supported-platinum nanoparticles. This strategy involves surfactant protonation by refluxing the supported-platinum particles in acetic acid followed by surfactant removal by subsequent electrochemical treatment at high potential. We demonstrate that this combined activation process is essential to enhance platinum particle performance in catalyzing direct methanol fuel cell reactions, including methanol oxidation and oxygen reduction reactions. The studies in this work show promise in electrocatalysis applications of solution-based materials synthesis. (C) 2016 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

KeywordPlatinum Nanoparticle Methanol Oxidation Reaction Oxygen Reduction Reaction Electrocatalysis
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.partic.2016.04.003
Indexed BySCI
Language英语
WOS KeywordShape-controlled Synthesis ; Oxygen Reduction Reaction ; Core-shell Construction ; Noble-metals ; Catalytic-activity ; Pt Nanoparticles ; Reducing Agent ; Fuel-cells ; Nanomaterials ; Methanol
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Chemical ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(21173226 ; Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences(COM2015A001) ; 21376247 ; 21506225 ; 21573240)
WOS IDWOS:000394074200010
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21955
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Ctr Mesosci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Feng, Yan,Pan, Jinding,Liu, Hui,et al. An acetic acid refluxing-electrohemistry combined strategy to activate supported-platinum electrocatalysts[J]. PARTICUOLOGY,2017,30:111-117.
APA Feng, Yan,Pan, Jinding,Liu, Hui,&Yang, Jun.(2017).An acetic acid refluxing-electrohemistry combined strategy to activate supported-platinum electrocatalysts.PARTICUOLOGY,30,111-117.
MLA Feng, Yan,et al."An acetic acid refluxing-electrohemistry combined strategy to activate supported-platinum electrocatalysts".PARTICUOLOGY 30(2017):111-117.
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