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Issue 22, 2018
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Mesoporous germanium nanoparticles synthesized in molten zinc chloride at low temperature as a high-performance anode for lithium-ion batteries

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Abstract

In a simple and convenient way, mesoporous germanium nanoparticles (mp-Ge NPs) are prepared by a “metathesis” reaction of magnesium germanide (Mg2Ge) and zinc chloride (ZnCl2) in an autoclave at 300 °C. Investigated as anode materials for lithium-ion batteries, the prepared mp-Ge NPs exhibit a high capacity retention of 1048 mA h g−1 at 1 C after 1000 cycles and a high rate capacity of 727.1 mA h g−1 at 10 C in Li–Ge half cells. Additionally, a 3.4 V lithium-ion full cell (Ge-LiCoO2) with an energy retention of 85% (∼268.8 W h kg−1) over 100 cycles is achieved.

Graphical abstract: Mesoporous germanium nanoparticles synthesized in molten zinc chloride at low temperature as a high-performance anode for lithium-ion batteries

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Publication details

The article was received on 19 Mar 2018, accepted on 28 Apr 2018 and first published on 02 May 2018


Article type: Communication
DOI: 10.1039/C8DT01060A
Citation: Dalton Trans., 2018,47, 7402-7406
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    Mesoporous germanium nanoparticles synthesized in molten zinc chloride at low temperature as a high-performance anode for lithium-ion batteries

    X. Liu, N. Lin, W. Cai, Y. Zhao, J. Zhou, J. Liang, Y. Zhu and Y. Qian, Dalton Trans., 2018, 47, 7402
    DOI: 10.1039/C8DT01060A

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