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Rechargeable Aluminum-Selenium Batteries with High Capacity

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 Al-Se battery is the reversible redox reaction of Se2Cl2/Se pair confined in the mesopores of CMK-3 nanorods. Al-Se batteries deliver a high reversible capacity of 178 mAh g-1 (by Se mass), high discharge voltages (mainly above 1.5 V), and good cycling/rate performances.

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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, Accepted Manuscript
  • 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, Accepted Manuscript , DOI: 10.1039/C8SC01054D

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