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Issue 9, 2018
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A LiFePO4/Li2Sn hybrid system with enhanced Li-ion storage performance

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Abstract

A LiFePO4 (LFP)/lithium polysulfide (Li2Sn) hybrid system was designed using a LFP cathode and a Li2Sn-added electrolyte to improve the Li-ion storage performance. In the LFP cathode, a commercial LFP product was introduced as the active material. And the Li2Sn-added electrolyte was prepared through a facile liquid-phase process. Benefiting from the synergistic effect for energy-storage between the LFP component and the Li2Sn component, the designed LFP/Li2Sn hybrid system exhibited a large specific capacity (439 mA h gāˆ’1 at 0.2C), good rate performance (323 mA h gāˆ’1 at 2C) and stable cycling property (82% capacity retention over 200 cycles). It is believed that the designed LFP/Li2Sn hybrid system and the proposed hybrid energy-storage concept could advance the development of electrochemical energy storage.

Graphical abstract: A LiFePO4/Li2Sn hybrid system with enhanced Li-ion storage performance

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Publication details

The article was received on 13 Feb 2018, accepted on 02 Apr 2018 and first published on 06 Apr 2018


Article type: Letter
DOI: 10.1039/C8NJ00745D
Citation: New J. Chem., 2018,42, 6626-6630
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    A LiFePO4/Li2Sn hybrid system with enhanced Li-ion storage performance

    Y. Yuan, B. Wang, R. Song, F. Wang, H. Luo, T. Gao and D. Wang, New J. Chem., 2018, 42, 6626
    DOI: 10.1039/C8NJ00745D

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