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Ag Nanoparticles on Boron Doped Multi-walled Carbon Nanotubes as a Synergistic Catalysts for Oxygen Reduction Reaction in Alkaline Media
Cheng, Yuanhang; Tian, Yayuan; Tsang, Sai-Wing; Yan, Chuanwei; saitsang@cityu.edu.hk; cwyan@imr.ac.cn
2015
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume174Pages:919-924
AbstractHere we report the oxygen reduction reaction (ORR) activity of Ag nanoparticles supported on boron doped multi-walled carbon nanotubes (Ag/B-MWCNTs) with different Ag loadings synthesized by a facile chemical method. Transmission electron microscopy (TEM) and X-ray diffraction patterns (XRD) measurements were employed to investigate the morphology and crystal structure of the as-prepared catalysts. The electrochemical results demonstrated that all the Ag/B-MWCNTs samples catalyzed the ORR in alkaline media by an efficient four-electron pathway. Furthermore, Ag/B-MWCNTs with lowest Ag loading (20%) performed the highest mass activity towards ORR mainly due to the synergistic effect of Ag nanoparticles and B-MWCNTs. This work brings insight into the role of supporting materials in reducing the loading of metal catalyst towards low-cost ORR in alkaline media. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[cheng, yuanhang ; tsang, sai-wing] city univ hong kong, dept phys & mat sci, hong kong, hong kong, peoples r china ; [tian, yayuan ; yan, chuanwei] chinese acad sci, inst met res, lab corros & protect, shenyang 110016, peoples r china
KeywordAg Nanoparticles Boron Doped Multi-walled Carbon Nanotubes Electrocatalyst Oxygen Reduction Reaction
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74618
Collection中国科学院金属研究所
Corresponding Authorsaitsang@cityu.edu.hk; cwyan@imr.ac.cn
Recommended Citation
GB/T 7714
Cheng, Yuanhang,Tian, Yayuan,Tsang, Sai-Wing,et al. Ag Nanoparticles on Boron Doped Multi-walled Carbon Nanotubes as a Synergistic Catalysts for Oxygen Reduction Reaction in Alkaline Media[J]. ELECTROCHIMICA ACTA,2015,174:919-924.
APA Cheng, Yuanhang,Tian, Yayuan,Tsang, Sai-Wing,Yan, Chuanwei,saitsang@cityu.edu.hk,&cwyan@imr.ac.cn.(2015).Ag Nanoparticles on Boron Doped Multi-walled Carbon Nanotubes as a Synergistic Catalysts for Oxygen Reduction Reaction in Alkaline Media.ELECTROCHIMICA ACTA,174,919-924.
MLA Cheng, Yuanhang,et al."Ag Nanoparticles on Boron Doped Multi-walled Carbon Nanotubes as a Synergistic Catalysts for Oxygen Reduction Reaction in Alkaline Media".ELECTROCHIMICA ACTA 174(2015):919-924.
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