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MOF-derived ZnO/ZnFe2O4@RGO nanocomposites with high lithium storage performance |
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| Authors: | Lai Weidong Li Xiaofan Li Bin Mei Jia Zhang Xianke Guo Wei Peng Guanghuai Li Haixia Li Xiaokang Yuan Jujun |
| Affiliation: | 1.College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, People’s Republic of China ;2.College of Physics and Electronics, Gannan Normal University, Ganzhou, 341000, People’s Republic of China ;3.Ganzhou Lidao New Energy Co. Ltd., Ganzhou, 341000, People’s Republic of China ;4.Harbin Wanxin Graphite Valley Technology Co. Ltd., Haibin, 150028, People’s Republic of China ; |
| Abstract: | ZnO/ZnFe2O4@reduced graphene oxide (RGO) nanocomposites have been successfully synthesized through annealing treatment of Zn/Fe MOF-5@GO composites. The ZnO/ZnFe2O4 nanoparticles with a diameter of 12–15 nm are evenly distributed on the surface of RGO. The ZnO/ZnFe2O4@RGO nanocomposites show superior rate capacity and cyclic stability of 655 mAh/g after 200 cycles at 0.2 A/g for lithium ion battery (LIB) anode. The superior electrochemical property benefits from the unique structure of ZnO/ZnFe2O4@RGO nanocomposites, which can provide a buffer space for volume expansion, and enhance conductivity in the charge/discharge cycle. |
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