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Issue 23, 2018
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Rechargeable aluminum–selenium batteries with high capacity

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Abstract

Rechargeable aluminum (Al) batteries are emerging as a promising post lithium-ion battery technology. Herein, we demonstrate a conceptually new design of rechargeable aluminum–selenium (Al–Se) batteries by understanding the selenium chemistry and controlling the electrode reaction. The Al–Se battery consists of a composite cathode including selenium nanowires and mesoporous carbon (CMK-3) nanorods, an Al metal anode and chloroaluminate ionic liquid electrolyte. The working mechanism of the Al–Se battery is the reversible redox reaction of the Se2Cl2/Se pair confined in the mesopores of CMK-3 nanorods. Al–Se batteries deliver a high reversible capacity of 178 mA h g−1 (by Se mass), high discharge voltages (mainly above 1.5 V), and good cycling/rate performances.

Graphical abstract: Rechargeable aluminum–selenium batteries with high capacity

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Publication details

The article was received on 05 Mar 2018, accepted on 16 May 2018 and first published on 17 May 2018


Article type: Edge Article
DOI: 10.1039/C8SC01054D
Citation: Chem. Sci., 2018,9, 5178-5182
  • Open access: Creative Commons BY-NC license
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    Rechargeable aluminum–selenium batteries with high capacity

    X. Huang, Y. Liu, C. Liu, J. Zhang, O. Noonan and C. Yu, Chem. Sci., 2018, 9, 5178
    DOI: 10.1039/C8SC01054D

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