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Issue 9, 2013
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Ultra-rapid microwave synthesis of triplite LiFeSO4F

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Abstract

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·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.

Graphical abstract: Ultra-rapid microwave synthesis of triplite LiFeSO4F

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Publication details

The article was received on 08 Nov 2012, accepted on 07 Dec 2012 and first published on 10 Dec 2012


Article type: Communication
DOI: 10.1039/C2TA01022D
Citation: J. Mater. Chem. A, 2013,1, 2990-2994
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    Ultra-rapid microwave synthesis of triplite LiFeSO4F

    R. Tripathi, G. Popov, X. Sun, D. H. Ryan and L. F. Nazar, J. Mater. Chem. A, 2013, 1, 2990
    DOI: 10.1039/C2TA01022D

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