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题名: In situ synthesis of graphene supported Co-Sn-B alloy as an efficient catalyst for hydrogen generation from sodium borohydride hydrolysis
作者: Cui, ZK; Guo, YP; Ma, JT(马建泰)
收录类别: SCIE ; EI
出版日期: 2016-01-21
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷号: 41, 期号:3, 页码:1592-1599
出版者: ELSEVIER
出版地: OXFORD
英文摘要: In this study, graphene (GP) supported Co-Sn-B alloy were synthesized via in situ chemical reduction reactions for hydrogen generation (HG) from alkaline sodium borohydride (NaBH4). X-ray diffraction (XRD), high resolution transmission electron Microscopy (HRTEM) and X-ray photoelectron spectroscopy (XPS) were employed to verify the structure, morphology and the surface element composition of the alloy. Coupled plasma atomic emission spectrometry (ICP-AES) were used to analyze the surface composition of the alloy. The effects of complexing agent addition, Co/Sn molar ratio, graphene loading on catalytic activity of the alloy were studied. The maximum hydrogen generation rate reached 11,272 mL min(-1) g(Co)(-1) at 30 degrees C in 5 wt. % NaOH and 5 wt. % NaBH4 solution, which was three times higher than unsupported Co-B catalysts. The activation energy of the catalytic hydrolysis reaction of sodium borohydride was 39.57 kJ/mol, which is comparable to the noble metal catalysts. Copyright (c) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词: Co-Sn-B ; Graphene ; In-situ ; Sodium borohydride ; Hydrogen generation
作者部门: [Cui, Zhenkai ; Guo, Yueping ; Ma, Jiantai] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Key Lab Special Funct Mat & Struct Design,Minist, Lanzhou 730000, Peoples R China
通讯作者: Ma, JT (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Key Lab Special Funct Mat & Struct Design,Minist, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Electrochemistry; Energy & Fuels
文章类型: Article
所属项目编号: Key Laboratory for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University [LZUMMM2014004] ; Fundamental Research Funds for the Central Universities [lzujbky-2014-180]
所属项目名称: 中央高校基本科研业务费专项资金
项目资助者: LZU
语种: 英语
DOI: 10.1016/j.ijhydene.2015.11.081
ISSN号: 0360-3199
WOS记录号: WOS:000369461500024
EI记录号: 20160301817991
IR记录号: WOS:000369461500024
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180314
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Cui, ZK,Guo, YP,Ma, JT. In situ synthesis of graphene supported Co-Sn-B alloy as an efficient catalyst for hydrogen generation from sodium borohydride hydrolysis[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(3):1592-1599.
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