期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 74, 期 -, 页码 189-202出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2020.10.015
关键词
Nanofibers; Battery; Electrode; Energy storage
资金
- Shandong Provincial Natural Science Foundation [ZR2019YQ19, ZR2019BEM018]
- National Natural Science Foundation of China [51403113, 21404065, 52072193]
- Project of Shandong Province Higher Educational Science and Technology Program [2019KJA026]
This article reviews the latest research progress in electrode design based on nanofibers, highlighting the important roles of nanofibers in electrode design and discussing key issues affecting the electrochemical performance of electrodes.
The key to develop high specific energy rechargeable batteries is development of new electrode materials. The existing electrode materials still have many problems: the shuttle effect and poor conductivity of the sulfur cathode, the inevitable volume expansion of the silicon anode and the lithium dendrite of the lithium metal anode that cause short circuits, etc. Nanofibers, as active electrical materials, conductive additives and electrode bodies, can play multiple roles in electrode design. More interestingly, nanofibers can be functionalized to obtain better controllable properties (i.e., electrolyte affinity, pore size distribution and surface electronic structure), thereby further enhancing electrochemical performance. In this article, the latest research progress in electrode design based on nanofibers is reviewed, including processing methods, structure, morphology and electrochemical performance. The key problems affecting the electrochemical performance of the electrode are also discussed, such as the preparation process, atomic structure, electrical conductivity, surface area and pore distribution of nanofibers, to provide reference points for nanofibers in excellent electrode design. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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