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Facile Synthesis of Sn/Nitrogen-Doped Reduced Graphene Oxide Nanocomposites with Superb Lithium Storage Properties

by 1, 1, 1, 1, 2, 2,3,* and 1,*
1
Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
2
Hubei Wanrun New Energy Technology Development Co., Ltd., Shiyan 442500, China
3
State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(8), 1084; https://doi.org/10.3390/nano9081084
Received: 10 May 2019 / Revised: 25 July 2019 / Accepted: 25 July 2019 / Published: 28 July 2019
Sn/Nitrogen-doped reduced graphene oxide ([email protected]) composites have been successfully synthesized via a facile method for lithium-ion batteries. Compared with the Sn or Sn/graphene anodes, the [email protected] anode exhibits a superb rate capability of 535 mAh g−1 at 2C and cycling stability up to 300 cycles at 0.5C. The improved lithium-storage performance of [email protected] anode could be ascribed to the effective graphene wrapping, which accommodates the large volume change of Sn during the charge–discharge process, while the nitrogen doping increases the electronic conductivity of graphene, as well as provides a large number of active sites as reservoirs for Li+ storage. View Full-Text
Keywords: Sn anode; N doping; graphene nanocomposites; rate performance; lithium-ion batteries Sn anode; N doping; graphene nanocomposites; rate performance; lithium-ion batteries
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Sun, Q.; Huang, Y.; Wu, S.; Gao, Z.; Liu, H.; Hu, P.; Qie, L. Facile Synthesis of Sn/Nitrogen-Doped Reduced Graphene Oxide Nanocomposites with Superb Lithium Storage Properties. Nanomaterials 2019, 9, 1084.

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