期刊
CHEMISTRYSELECT
卷 6, 期 13, 页码 3192-3198出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202100877
关键词
Electrochemistry; SnO2 nanospheres; Nanotechnology; Lithium ion batteries; Sodium ion batteries
资金
- Hunan Provincial Science and Technology Plan Project [2017TP1001]
The study successfully prepared SnO2 NPs/rGO-1 composite material, which exhibited excellent reversible capacity and cycling stability, providing important reference for the design of anode materials for future lithium-ion batteries and sodium-ion batteries.
SnO2 has been considered a promising anode material for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) owing to the high capacity, and environmental friendliness. In this study, a mixture of reduced graphene oxide and SnO2 nanospheres (SnO2 NPs) was prepared via a simple method in the solution of graphene oxide (GO), Vitamin C and SnO2. Vitamin C plays an important role in reducing graphene oxide. In addition, graphene can alleviate volume changes of SnO2 as host and induce effective charge transfer through its interconnected network structure. As a consequence, the SnO2 NPs/rGO-1composite exhibits excellent reversible capacity and cycling stability (400 mA h g(-1) at 1000 mA g(-1) after 100 cycles for LIBs and 212 mA h g(-1) at 100 mA g(-1) after 100 cycles for SIBs). The simple, economical, and environmentally friendly synthetic route will be of great significance to the design of anode materials for LIBs and SIBs in the future.
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