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Nitrogen-Doped Porous Hard Carbon as an Anode for Fast-Charging Lithium-Ion Batteries
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Shengyuan LI1, Chuanren YE1, Yizhe WANG1, Yanwu ZHU1, 2
Journal of the Chinese Ceramic Society | 2023, 51(9) : 2188 - 2196
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Journal of the Chinese Ceramic Society | 2023, 51(9): 2188-2196
• Research Articles •
Nitrogen-Doped Porous Hard Carbon as an Anode for Fast-Charging Lithium-Ion Batteries
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Shengyuan LI1, Chuanren YE1, Yizhe WANG1, Yanwu ZHU1, 2
Affiliations
  • 1.School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
  • 2.Hefei National Research Center for Physical Sciences at the Microscale, Hefei 230026, China

    • LI Shengyuan (1992-), male, Doctoral candidate. E-mail:

About Author:

LI Shengyuan (1992-), male, Doctoral candidate. E-mail:

Published: 2023-05-29 doi: 10.14062/j.issn.0454-5648.20230094
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The limited capacity and long charging time of graphite-based anodes for lithium-ion batteries cannot meet ever-growing demands. Developing anodes with a high capacity and a fast charging ability becomes a hotspot of the present research. Herein, an N-doped porous hard carbon (N-HC) was prepared via dehydration reaction of sucrose and sulfuric acid and subsequent annealing in NH3/Ar. The diffusion coefficient of Li+ in N-HC reaches 9.0×10-8 cm2·s-1 due to the rich ultra-micropore structure (i.e., pore size <0.75 nm) and the large interlayer spacing (i.e., 0.39 nm) in N-HC. The capacity of N-HC remains 704.0 mA·h·g-1 or 269.2 mA·h·g-1 after 680 or 1 400 cycles at 0.27 C or 2.7 C (1 C=370 mA·g-1). The N-HC electrode can meet the requirement of fast charging lithium-ion battery, while the initial Coulomb efficiency needs to be improved.

lithium-ion battery  /  fast-charging  /  hard carbon  /  ultra-micropores  /  high capacity
李圣远, 叶传仁, 王伊哲, 朱彦武. 面向快充锂离子电池的氮掺杂多孔硬碳负极. 硅酸盐学报, 2023 , 51 (9) : 2188 -2196 . DOI: 10.14062/j.issn.0454-5648.20230094
Shengyuan LI, Chuanren YE, Yizhe WANG, Yanwu ZHU. Nitrogen-Doped Porous Hard Carbon as an Anode for Fast-Charging Lithium-Ion Batteries[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (9) : 2188 -2196 . DOI: 10.14062/j.issn.0454-5648.20230094
Appendix
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Year 2023 volume 51 Issue 9
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Article Info
doi: 10.14062/j.issn.0454-5648.20230094
  • Receive Date：2023-02-24
  • Online Date：2026-10-19
  • Published：2023-05-29
Article Data
Affiliations
History
  • Received：2023-02-24
  • Revised：2023-05-11
Funding
Affiliations
    1.School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
    2.Hefei National Research Center for Physical Sciences at the Microscale, Hefei 230026, China

Corresponding:

ZHU Yanwu (1978-), male, 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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