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Towards stable and efficient electrolytes for room-temperature rechargeable calcium batteries

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Abstract

Rechargeable calcium (Ca) batteries have the prospect of high-energy and low-cost. However, the development of Ca batteries is hindered due to the lack of efficient electrolytes. Herein, we report novel calcium tetrakis(hexafluoroisopropyloxy)borate Ca[B(hfip)4]2 based electrolytes exhibiting reversible Ca deposition at room temperature, a high oxidative stability up to 4.5 V and high ionic conductivity >8 mS cm−1. This finding opens a new approach towards room-temperature rechargeable calcium batteries.

Graphical abstract: Towards stable and efficient electrolytes for room-temperature rechargeable calcium batteries

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Publication details

The article was received on 27 May 2019, accepted on 16 Aug 2019 and first published on 16 Aug 2019


Article type: Communication
DOI: 10.1039/C9EE01699F
Energy Environ. Sci., 2019, Advance Article
  • Open access: Creative Commons BY-NC license
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    Towards stable and efficient electrolytes for room-temperature rechargeable calcium batteries

    Z. Li, O. Fuhr, M. Fichtner and Z. Zhao-Karger, Energy Environ. Sci., 2019, Advance Article , DOI: 10.1039/C9EE01699F

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