期刊
CRYSTENGCOMM
卷 14, 期 13, 页码 4344-4349出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ce25114k
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资金
- Chinese Academy of Sciences
- National Key Basic Research Program of China [2011CB935700]
- Shandong Province Funds for Distinguished Young Scientist [JQ200906]
- National Natural Science Foundation of China [20971077]
In this work, LiFePO4 microspheres with an enhanced tap density were assembled from nanoplates via solvothermal treatment with TiN nanoparticles as a conductive connector. By altering the amount of introduced TiN nanoparticles, the morphology of the as-prepared LiFePO4 can be tailored. It is demonstrated that TiN nanoparticles favor crystal growth along the b axis by breaking the surfactant blocking barrier, which has a significant effect upon the assembly of LiFePO4 nanoplates. Enhanced electronic and ionic conductivity of a LiFePO4 electrode is confirmed by electrochemical impedance spectroscopy and linear voltage scanning methods, which are beneficial to the battery performance.
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