Preparation of a High-Performance Nanocrystalline Lithium/Graphene Composite Battery via High-Pressure Torsion Method

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  • Qian Chenhao
    Department of Mechanical Engineering, Jiangnan University Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University
  • He Ziyang
    Department of Computer Science, Columbia University
  • Liang Chen
    School of Engineering, University of Liverpool
  • Ji Weixi
    Department of Mechanical Engineering, Jiangnan University Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University

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抄録

<p>This paper creatively introduces the high-pressure torsion treatment (HPT) technique for the preparation of lithium ion battery electrodes. Through the preparation of a nanocrystalline lithium/graphene composite structure, a high-performance dendrite-free electrode was obtained. Furthermore, for light metal processing via the HPT method, the strain-grain relationship is still applicable under high-pressure torsion and results in excellent electrochemical performance. As a physical metallurgical method for the preparation of nano-metal composite materials, the HPT method has advantages that are not possessed by hydrothermal methods. These include a rapid, low-cost synthesis with minimal by-products from the chemical reaction.</p>

収録刊行物

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 60 (11), 2451-2455, 2019-11-01

    公益社団法人 日本金属学会

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