In Situ Synthesis of MnS Hollow Microspheres on Reduced Graphene Oxide Sheets as High-Capacity and Long-Life Anodes for Li- and Na-Ion Batteries

ACS Applied Materials & Interfaces
Xijun XuJun Liu

Abstract

Uniform MnS hollow microspheres in situ crystallized on reduced graphene oxide (RGO) nanosheets via a facile hydrothermal method. The MnS/RGO composite material was used as the anode for Na-ion batteries for the first time and exhibited excellent cycling performance, superior specific capacity, and great cycle stability and rate capability for both Li- and Na-ion batteries. Compared with nonencapsulated pure MnS hollow microspheres, these MnS/RGO nanocomposites demonstrated excellent charge-discharge stability and long cycle life. Li-ion storage testing revealed that these MnS/RGO nanocomposites deliver high discharge-charge capacities of 640 mAh g(-1) at 1.0 A g(-1) after 400 cycles and 830 mAh g(-1) at 0.5 A g(-1) after 100 cycles. The MnS/RGO nanocomposites even retained a specific capacity of 308 mAh g(-1) at a current density of 0.1 A g(-1) after 125 cycles as the anode for Na-ion batteries. The outstanding electrochemical performance of the MnS/RGO composite attributed to the RGO nanosheets greatly improved the electronic conductivity and efficiently mitigated the stupendous volume expansion during the progress of charge and discharge.

References

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Citations

Aug 26, 2016·ACS Applied Materials & Interfaces·Muhammad Sufyan JavedXiao Gu
Jun 20, 2017·ACS Applied Materials & Interfaces·Xia WangYang-Kook Sun
Jun 16, 2018·Chemistry : a European Journal·Shuang GaoYu Gao
Jun 17, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Zexian ZhangXianbao Wang
Dec 22, 2017·Small·Yaru LiangShu-Lei Chou
Mar 30, 2017·Chemical Society Reviews·Jang-Yeon HwangYang-Kook Sun
Mar 23, 2021·ACS Applied Materials & Interfaces·Zexian ZhangXianbao Wang
Jun 29, 2018·Chemical Reviews·Jia DingDavid Mitlin
Dec 24, 2016·ACS Applied Materials & Interfaces·Kongyao ChenYunhui Huang

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