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In situ facile bubble-templated fabrication of new-type urchin-like (Li,Mo)-doped Lix(Mo0.3V0.7)2O5 for Zn2+ storage

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Abstract

Interstitial (Li) and substitutional-type (Mo) co-doped new-type urchin-like Lix(Mo0.3V0.7)2O5 (LMVO) is fabricated via in situ gas bubble template strategy, which leads to distinctive conductivity, high number of active sites, reversible ion intercalation and accessible redox couple. Consequently, the electrochemical performance of LMVO is enhanced enormously owing to the hollow morphology and unique electronic structure. The charge storage capability of the synthetic LMVO is investigated in Mg2+ and Zn2+ electrolytes as well as Li+ electrolyte, due to the similar radius, higher charge, abundant reserve and rational cost. As a result, LMVO achieves a specific capacitance of 484 F g−1 at 1 A g−1 in Zn2+ electrolyte, which apparently surpasses the performance in Li+ and Mg2+ electrolytes. Moreover, the assembled LMVO//LMVO device delivers a specific capacitance of 117 F g−1 at 0.8 A g−1, which indicates large potential for application.

Graphical abstract: In situ facile bubble-templated fabrication of new-type urchin-like (Li,Mo)-doped Lix(Mo0.3V0.7)2O5 for Zn2+ storage

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Publication details

The article was received on 10 Jul 2017, accepted on 03 Aug 2017 and first published on 04 Aug 2017


Article type: Paper
DOI: 10.1039/C7TA05969H
Citation: J. Mater. Chem. A, 2017, Advance Article
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    In situ facile bubble-templated fabrication of new-type urchin-like (Li,Mo)-doped Lix(Mo0.3V0.7)2O5 for Zn2+ storage

    G. Qu, L. Zhao, S. Jia, H. Zheng, L. Li, W. Ma, W. Yang, H. Wang, Y. Tang and J. Wang, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA05969H

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