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- Title
Zeolitic imidazolate framework-67 derivative/TiO<sub>2</sub> composite coating as an integrated anode for lithium-ion batteries.
- Authors
Yang, Qi; Xu, Yujiao
- Abstract
In this study, Cu-supported ZIF-67 derivative/TiO2 composite coating was synthesized to increase the conductivity and capacity of TiO2 and apply the ZIF-67 derivative with excellent electrochemical performance to the integrated anode for lithium-ion batteries (LIBs). The hydrolysis of tetrabutyl titanate in air will produce TiO2; while the sintering of ZIF-67 in an inert atmosphere will form CoO/C composite. The Cu-supported ZIF-67 derivative/TiO2 composite coating can be directly employed as an integrated anode for LIBs. It delivers a capacity of 649 mAh g−1 after 500 cycles at a high current density of 1000 mA g−1. Even at a high current density of 2000 mA g−1, it still maintains a capacity of 445 mAh g−1. The good electrochemical performance of the Cu-supported ZIF-67 derivative/TiO2 composite coating is mainly attributed to the good conductivity and excellent electrochemical properties of ZIF-67, the inhibition of TiO2 on reduction of CoO, and the steric hindrance effect of TiO2 on ZIF-67 particles.
- Publication
Bulletin of Materials Science, 2023, Vol 46, Issue 2, p1
- ISSN
0250-4707
- Publication type
Article
- DOI
10.1007/s12034-023-02942-2