Green large-scale production of N/O-dual doping hard carbon derived from bagasse as high-performance anodes for sodium-ion batteries

Sodium-ion batteries are considered as a promising candidate for lithium-ion batteries due to abundant sodium resources and similar intercalation chemistry. Hard carbon derived from biomass with the virtue of abundance and renewability is a cost-effective anode material. Herein, hard carbon is deriv...

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Bibliographic Details
Published in:Journal of Central South University 2021-02, Vol.28 (2), p.361-369
Main Authors: Wang, Jin, Li, Yu-shan, Liu, Peng, Wang, Feng, Yao, Qing-rong, Zou, Yong-jin, Zhou, Huai-ying, Balogun, M.-Sadeeq, Deng, Jian-qiu
Format: Article
Language:English
Subjects:
Engineering
Metallic Materials
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Summary:Sodium-ion batteries are considered as a promising candidate for lithium-ion batteries due to abundant sodium resources and similar intercalation chemistry. Hard carbon derived from biomass with the virtue of abundance and renewability is a cost-effective anode material. Herein, hard carbon is derived from renewable bagasse through a simple two-step method combining mechanical ball milling with carbonization. The hard carbon electrodes exhibit superior electrochemical performance with a high reversible capacity of 315 mA-h/g. Furthermore, the initial capacity of the full cell, HC//NaMn 0.4 Ni 0.4 Ti 0.1 Mg 0.1 O 2 , is 253 mA·h/g and its capacity retention rate is 77% after 80 cycles, which further verifies its practical application. The simple and low-cost preparation process, as well as excellent electrochemical properties, demonstrates that hard carbon derived from bagasse is a promising anode for sodium-ion batteries.
ISSN:2095-2899
2227-5223
DOI:10.1007/s11771-021-4608-y