三明治壳层TiO@CoO@CoO/C空心球作为锂离子电池的负极材料
Sandwich shelled TiO@CoO@CoO/C hollow spheres as anode materials for lithium ion batteries.
作者信息
Liu Zheng, Yu Mengkang, Wang Xiaodan, Lai Fengyu, Wang Chao, Yu Nan, Sun Hongxia, Geng Baoyou
机构信息
College of Chemistry and Materials Science, Anhui Key Laboratory of Functional Molecular Solids, Ministry of Education, The Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, Anhui Normal University, Wuhu, 241002, China.
出版信息
Chem Commun (Camb). 2021 Feb 18;57(14):1786-1789. doi: 10.1039/d0cc07306g. Epub 2021 Jan 21.
A sandwich shelled hollow TiO@CoO@CoO/C composite is synthesized by consecutive coating of CoO nanosheets and TiO particles on CoO/C hollow spheres. The composite delivers an excellent lithium storage performance, maintaining 1081.78 mA h g after 100 cycles at 0.2 A g and 772.23 mA h g after 300 cycles at 1 A g, due to its superior structure combining the advantages of each component with favorable electron-transfer, Li-diffusion properties, and distinguished stability.
通过在CoO/C空心球上连续包覆CoO纳米片和TiO颗粒，合成了一种三明治结构的空心TiO@CoO@CoO/C复合材料。该复合材料具有优异的锂存储性能，在0.2 A g下循环100次后保持1081.78 mA h g，在1 A g下循环300次后保持772.23 mA h g，这归因于其优越的结构，该结构结合了各组分的优点，具有良好的电子转移、锂扩散性能和出色的稳定性。
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