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Dual Sol-Gel One-Pot Synthesis of Silicon Suboxide/Carbon Anode for Lithium-ion Batteries
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Zhaolin LI1, Pengpeng LV1, Hailei ZHAO1, Zhenhe FENG2, Jingying XIE2
Journal of the Chinese Ceramic Society | 2021, 49(1) : 153 - 160
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Journal of the Chinese Ceramic Society | 2021, 49(1): 153-160
• Research Article •
Dual Sol-Gel One-Pot Synthesis of Silicon Suboxide/Carbon Anode for Lithium-ion Batteries
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Zhaolin LI1, Pengpeng LV1, Hailei ZHAO1, Zhenhe FENG2, Jingying XIE2
Affiliations
  • 1.School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
  • 2.State Key Laboratory of Space Power-Sources Technology, Shanghai Institute of Space Power-Sources, Shanghai 200245, China

    • LI Zhaolin (1990-), male, Ph.D. E-mail:

About Author:

LI Zhaolin (1990-), male, Ph.D. E-mail:

Published: 2021-01-20 doi: 10.14062/j.issn.0454-5648.20200291
Outline
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A SiOx/C composite with an embedded-structure was prepared by a dual sol-gel one-pot method and subsequent heat treatment. Based on the analysis by scanning electron microscopy, SiOx nanoparticles are fully embedded in an amorphous carbon matrix. The results by electrochemical test indicate that as anode material for Li-ion battery, the optimized SiOx/C composite demonstrates a high specific capacity, an excellent cyclic performance and a rate capability. A reversible specific capacity of 710 mA·h/g is achieved without an obvious decline of the capacity for 100 cycles at a current density of 0.1 A/g, and a specific capacity is 380 mA·h/g at a current density of 1.6 A/g. The excellent electrochemical performance is attributed to the well-designed embedded-structure, which can effectively accommodate the volume variation of SiOx during charge/discharge process and therefore ensure the structural integrity and cyclic stability of SiOx/C electrode.

silicon suboxide  /  sol-gel method  /  nanoparticle  /  anode  /  lithium-ion battery
李兆麟, 吕鹏鹏, 赵海雷, 丰震河, 解晶莹. 复合溶胶-凝胶一锅法制备锂离子电池氧化亚硅/碳复合负极材料. 硅酸盐学报, 2021 , 49 (1) : 153 -160 . DOI: 10.14062/j.issn.0454-5648.20200291
Zhaolin LI, Pengpeng LV, Hailei ZHAO, Zhenhe FENG, Jingying XIE. Dual Sol-Gel One-Pot Synthesis of Silicon Suboxide/Carbon Anode for Lithium-ion Batteries[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (1) : 153 -160 . DOI: 10.14062/j.issn.0454-5648.20200291
Appendix
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Year 2021 volume 49 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20200291
  • Receive Date：2020-04-25
  • Online Date：2026-10-30
  • Published：2021-01-20
Article Data
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History
  • Received：2020-04-25
  • Revised：2020-06-05
Funding
Affiliations
    1.School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
    2.State Key Laboratory of Space Power-Sources Technology, Shanghai Institute of Space Power-Sources, Shanghai 200245, China

Corresponding:

ZHAO Hailei (1966-), female, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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