期刊
DIAMOND AND RELATED MATERIALS
卷 133, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2023.109696
关键词
Eggshell; Porous carbon; Nitrogen doped; Li-ion battery
Porous carbon derived from obsolete eggshell was fabricated and used in lithium ion batteries. The carbon material exhibited superior rate performance and reversible capability due to its distinctive hierarchical microstructure, high N doping content, and abundance of micropores.
Porous carbon derived from obsolete eggshell was fabricated by one-step calcination strategy and applicated in lithium ion batteries (LIBs). Eggshell acted as template to create nanopores, the residual egg white used as natural carbon source. When the carbon material was used as anode in LIBs, superior rate (1 A g- 1 for 823 mAh g- 1 was obtained. The remarkable performance was ascribed to the distinctive hierarchical microstructure, high content (>10 %) of N doping and a large amount of micropores. , 5 A g- 1 for 587 mAh g- 1, 20 A g- 1 for 302 mAh g- 1) and reversible capability (1225 mAh g- 1 at 0.1 A g- 1)
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