Enhanced hydrogen storage kinetics in Mg@FLG composite synthesized by plasma assisted milling

被引:28
|
作者
Lang, Chengguang [1 ]
Ouyang, Liuzhang [1 ]
Yang, Lingli [1 ]
Dai, Leyang [2 ]
Wu, Daifeng [1 ]
Shao, Huaiyu [3 ]
Zhu, Min [1 ]
机构
[1] South China Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Energy Storage Mat Guangdong Prov, Guangzhou 510641, Guangdong, Peoples R China
[2] Jimei Univ, Sch Marine Engn, Xiamen 361021, Peoples R China
[3] Univ Macau, Minist Educ, Joint Key Lab, Inst Appl Phys & Mat Engn IAPME, Taipa, Macau, Peoples R China
基金
对外科技合作项目(国际科技项目); 中国国家自然科学基金;
关键词
Few-layer graphene; Magnesium hydride; Dehydriding kinetics; Plasma assisted milling; MAGNESIUM HYDRIDE; GRAPHENE NANOSHEETS; GRAPHITE OXIDE; SORPTION PROPERTIES; RAMAN-SPECTRA; CARBON; HYDROGENATION/DEHYDROGENATION; DESORPTION; SHEETS; ALLOY;
D O I
10.1016/j.ijhydene.2018.07.149
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Mg-based materials as potential hydrogen storage candidates, however, are suffering from sluggish kinetics during absorption and desorption processes. Here in this work, embedding Mg particles on few-layer graphene nanosheets (FLG) via dielectric barrier discharge plasma (DBDP) assisted milling was synthesized to improve hydrogen storage properties of Mg particles. The SEM observation demonstrates that Mg particles are distributed uniformly on the surface of the graphite layer in the Mg@FLG composite. The obtained Mg based composite (Mg@FLG) shows a hydrogen storage capacity of similar to 5 wt%. From the isothermal dehydrogenation kinetic curves, the composite could desorb similar to 4.5 wt% hydrogen within 25 min at 300 degrees C. Compared with pure Mg, the dehydriding kinetics of the hydrogenated Mg@FLG composite is significantly elevated, showing an activation energy of 155 J/(mol.K). In addition, the dehydrogenation peak temperature of the Mg@FLG decreases dramatically from 431 to 329 degrees C for MgH2. This work implies a promising composite formation technique in Mg-based materials to enhance hydrogen storage kinetics. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:17346 / 17352
页数:7
相关论文
共 50 条
  • [21] An Investigation on Hydrogen Storage Kinetics of the Nanocrystalline and Amorphous LaMg12-type Alloys Synthesized by Mechanical Milling
    张羊换
    WANG Jinglong
    ZHANG Peilong
    ZHU Yongguo
    HOU Zhonghui
    SHANG Hongwei
    JournalofWuhanUniversityofTechnology(MaterialsScience), 2018, 33 (02) : 278 - 287
  • [22] An Investigation on Hydrogen Storage Kinetics of the Nanocrystalline and Amorphous LaMg12-type Alloys Synthesized by Mechanical Milling
    Zhang Yanghuan
    Wang Jinglong
    Zhang Peilong
    Zhu Yongguo
    Hou Zhonghui
    Shang Hongwei
    JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 2018, 33 (02): : 278 - 287
  • [23] An Investigation on Hydrogen Storage Kinetics of the Nanocrystalline and Amorphous LaMg12-type Alloys Synthesized by Mechanical Milling
    Yanghuan Zhang
    Jinglong Wang
    Peilong Zhang
    Yongguo Zhu
    Zhonghui Hou
    Hongwei Shang
    Journal of Wuhan University of Technology-Mater. Sci. Ed., 2018, 33 : 278 - 287
  • [24] Kinetics and thermodynamics of nanostructured Mg-based hydrogen storage materials synthesized from metal nanoparticles
    Shao, Huaiyu
    Li, Xingguo
    FRONTIERS IN MICRO-NANO SCIENCE AND TECHNOLOGY, 2014, 924 : 189 - +
  • [25] Characterizations of composite NaNH2-NaBH4 hydrogen storage materials synthesized via ball milling
    Wu, Chuan
    Bai, Ying
    Yang, Jian-hu
    Wu, Feng
    Long, Fei
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2012, 37 (01) : 889 - 893
  • [26] Promoting hydrogen generation from the hydrolysis of Mg-Graphite composites by plasma-assisted milling
    Ma, Miaolian
    Yang, Lingli
    Ouyang, Liuzhang
    Shao, Huaiyu
    Zhu, Min
    ENERGY, 2019, 167 : 1205 - 1211
  • [27] Electrochemical Hydrogen Storage Performance of the Nanocrystalline and Amorphous Pr-Mg-Ni-based Alloys Synthesized by Mechanical Milling
    侯忠辉
    YUAN Zeming
    FENG Dianchen
    SUN Hao
    张羊换
    Journal of Wuhan University of Technology(Materials Science), 2021, 36 (01) : 116 - 126
  • [28] Improved hydrogen storage performances of nanocrystalline RE5Mg41-type alloy synthesized by ball milling
    Yuan, Zeming
    Li, Xiaoming
    Li, Tao
    Zhai, Tingting
    Lin, Yonghua
    Feng, Dianchen
    Zhang, Yanghuan
    JOURNAL OF ENERGY STORAGE, 2022, 46
  • [29] Hydrogen storage in Mg-10 at.% LaNi5 nanocomposites, synthesized by ball milling at different conditions
    Spassov, T.
    Delchev, P.
    Madjarov, P.
    Spassova, M.
    Himitliiska, Ts
    JOURNAL OF ALLOYS AND COMPOUNDS, 2010, 495 (01) : 149 - 153
  • [30] Electrochemical Hydrogen Storage Performance of the Nanocrystalline and Amorphous Pr-Mg-Ni-based Alloys Synthesized by Mechanical Milling
    Hou, Zhonghui
    Yuan, Zeming
    Feng, Dianchen
    Sun, Hao
    Zhang, Yanghuan
    JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 2021, 36 (01): : 116 - 126