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In-situ Preparation and Electrochemical Properties of Non-woven Flexible Silicon Anode
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Dianping ZHANG1, 2, Shaopeng SU2, Meng ZHANG1, Jin LI2
Journal of the Chinese Ceramic Society | 2022, 50(8) : 2110 - 2118
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Journal of the Chinese Ceramic Society | 2022, 50(8): 2110-2118
• Research Articles •
In-situ Preparation and Electrochemical Properties of Non-woven Flexible Silicon Anode
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Dianping ZHANG1, 2, Shaopeng SU2, Meng ZHANG1, Jin LI2
Affiliations
  • 1.School of Mechanical Engineering, Ningxia University, Yinchuan 750021, China
  • 2.Ningxia Key Laboratory of Photovoltaic Materials, Yinchuan 750021, China

    • ZHANG Dianping (1981-), male, Doctoral candidate. E-mail:

About Author:

ZHANG Dianping (1981-), male, Doctoral candidate. E-mail:

Published: 2022-08-20 doi: 10.14062/j.issn.0454-5648.20220113
Outline
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Silicon anode materials pulverization and deciduation from the collector can lead to the battery capacity fast attenuation and low conductivity due to the volume expansion of silicon during the lithiation/delithiation process. We prepared a kind of non-woven flexible silicon-based anode by an in-situ electrospinning method with nanosilicon self-controlled, and investigated the morphology, structure and electrochemical performance. The results show that the prepared non-woven silicon-based anode has a superior flexibility, and carbon after polyvinyl pyrrolidone cracking mainly exists in the form of amorphous carbon. The Si/C composite silicon-based anode fiber film has a high specific surface area and a structure with massive mesopores, and the first-cycle discharge capacity can reach 2 086.7 mA·h/g at a charge-discharge current density of 0.1 A/g, the initial Coulomb efficiency is 81.1%, and the discharge capacity can still maintain > 500 mA·h/g after 100 cycles.

non-woven fabric  /  silicon-based anode  /  electrospinning  /  lithium-ion battery
张佃平, 苏少鹏, 张猛, 李进. 无纺布结构柔性硅基负极原位制备及电化学性能. 硅酸盐学报, 2022 , 50 (8) : 2110 -2118 . DOI: 10.14062/j.issn.0454-5648.20220113
Dianping ZHANG, Shaopeng SU, Meng ZHANG, Jin LI. In-situ Preparation and Electrochemical Properties of Non-woven Flexible Silicon Anode[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (8) : 2110 -2118 . DOI: 10.14062/j.issn.0454-5648.20220113
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Year 2022 volume 50 Issue 8
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Article Info
doi: 10.14062/j.issn.0454-5648.20220113
  • Receive Date：2022-02-13
  • Online Date：2026-10-20
  • Published：2022-08-20
Article Data
Affiliations
History
  • Received：2022-02-13
  • Revised：2022-03-22
Funding
Affiliations
    1.School of Mechanical Engineering, Ningxia University, Yinchuan 750021, China
    2.Ningxia Key Laboratory of Photovoltaic Materials, Yinchuan 750021, China

Corresponding:

LI Jin (1964-), female, Professor. E-mail:
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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