Influences and mechanisms of graphene-doping on dehydrogenation properties of MgH2: Experimental and first-principles studies

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成果类型：

期刊论文

作者：

Zhang, J.*;Yu, X. F.;Mao, C.;Long, C. G.;Chen, J.;...

通讯作者：

Zhang, J.

作者机构：

[Yu, X. F.; Mao, C.; Long, C. G.; Zhang, J.] Changsha Univ Sci & Technol, Educ Dept Hunan Prov, Key Lab Lightweight & Reliabil Technol Engn Vehic, Changsha 410114, Hunan, Peoples R China.

[Zhang, J.] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China.

[Chen, J.; Zhang, J.] Changsha Univ Sci & Technol, Coll Hunan Prov, Key Lab Efficient & Clean Energy Utilizat, Changsha 410114, Hunan, Peoples R China.

[Zhou, D. W.] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China.

通讯机构：

[Zhang, J.] C

Changsha Univ Sci & Technol, Educ Dept Hunan Prov, Key Lab Lightweight & Reliabil Technol Engn Vehic, Changsha 410114, Hunan, Peoples R China.

语种：

英文

关键词：

Dehydrogenation properties;Doping;First-principles calculations;Graphene;MgH2

期刊：

Energy

ISSN：

0360-5442

年：

2015

卷：

页码：

957-964

DOI：

10.1016/j.energy.2015.06.037

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51401036]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [14JJ3086]; Research Foundation of State Key Laboratory of powder metallurgy; Research Foundation of Education Department of Hunan Province [12B001]; Key Laboratory of Efficient and Clean Energy Utilization, College of Hunan Province [2015NGQ005]

机构署名：

本校为第一且通讯机构

院系归属：

汽车与机械工程学院

能源与动力工程学院

摘要：

Using experimental and first-principles calculations methods, a systematic investigation was performed on the dehydrogenation properties and mechanisms of MgH2-10 wt%G (graphene) composites acquired by ball milling. It was found that the doping of G played a vital catalytic role in improving the dehydrogenation properties of MgH2. SEM (scanning electron microscopy) observations revealed that G sheets were dispersedly embedded in MgH2 particles, which effectively inhibited the agglomerating of MgH2 particles during ball milling. XRD (X-ray diffr...

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Influences and mechanisms of graphene-doping on dehydrogenation properties of MgH2: Experimental and first-principles studies

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