科研之友
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摘要
Quick, effective synthesis of the 4 V Li-ion battery cathode material, triplite LiFeSO4F, takes place via facile conversion of the defect-peppered nanocrystalline tavorite precursor that forms on ultra-rapid microwave heating (10 min) of FeSO4 center dot H2O/LiF. We propose a mechanism for its unique phase transformation to the triplite that occurs as a consequence of the disorder and hydroxyl defects induced by the fast nucleation. The electrochemical properties of the resultant triplite exhibits a doubling of its practical gravimetric capacity compared to the material prepared by conventional methods.
- 出版日期2013
- 单位McGill
