期刊
CHEMICAL COMMUNICATIONS
卷 56, 期 77, 页码 11422-11425出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc04112b
关键词
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资金
- National Natural Science Foundation of China [51902261, 61935017]
- Department of Science AMP
- Technology of Shaanxi Province [2020GXLH-Z-024]
- Natural Science Basic Research Program of Shaanxi [2019JQ-025]
- Projects of International Cooperation and Exchanges NSFC [51811530018]
- Fundamental Research Funds for the Central Universities [31020180QD094, 31020180QD116]
- Innovation Foundation for Doctor Dissertation of NPU [CX201960]
- Seed Foundation of Innovation and Creation for Graduate Students in NPU
- NPU [2020GXLH-Z-024]
A low-temperature doping approach has been developed for fabricating nitrogen and sulfur co-doped few-layer graphene (NS-FLG) by annealing graphene oxide in KSCN molten salt at 175 degrees C. The as-prepared NS-FLG with a high doping level and unique few-layer structure delivers remarkable performance for sodium-ion batteries (SIBs) in terms of a high reversible capacity of 325.4 mA h g(-1)at 0.5 A g(-1), a superb rate capacity of 203.6 mA h g(-1)at 10 A g(-1), and ultra-long cyclability over 5100 cycles. This work provides a new avenue for exploring advanced graphene-based materials towards SIBs and even other electrochemical fields.
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