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Issue 11, 2016
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Nanostructured Co(II)-based MOFs as promising anodes for advanced lithium storage

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Abstract

A novel kind of Co-based metal–organic frameworks (MOFs) are firstly prepared by coordination assembly of Co(II) and 1,3,5-benzenetricarboxylic acid (H3BTC) through a hydrothermal route (referred to as Co-BTC MOF). Such Co-BTC MOF have a zigzag vermicular-like shape with a length of 126 nm and a width of 55 nm. Co-BTC MOFs without calcination treatment are applied as anode materials for lithium-ion batteries (LIBs) and show superior electrochemical performance, including high lithium storage capacity (1739 mA h g−1 in the first discharge process at a current density of 100 mA g−1), excellent coulombic efficiency (above 99% in the 199th cycle) and cycling performance (>750 mA h g−1 over 200 cycles) in the potential range of 0.01–3.0 V vs. Li/Li+. Such excellent electrochemical performance may be derived from the conjugated carboxylate moiety and the linker structure. More importantly, the facile approach may also be extended to other metal-based MOFs and the intriguing results show that nano-sized MOFs will be regarded as futuristic anode materials for advanced lithium storage.

Graphical abstract: Nanostructured Co(ii)-based MOFs as promising anodes for advanced lithium storage

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Publication details

The article was received on 18 Aug 2016, accepted on 05 Sep 2016 and first published on 06 Sep 2016


Article type: Paper
DOI: 10.1039/C6NJ02568D
Citation: New J. Chem., 2016,40, 9238-9244
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    Nanostructured Co(II)-based MOFs as promising anodes for advanced lithium storage

    D. Ge, J. Peng, G. Qu, H. Geng, Y. Deng, J. Wu, X. Cao, J. Zheng and H. Gu, New J. Chem., 2016, 40, 9238
    DOI: 10.1039/C6NJ02568D

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