Plating and stripping of calcium in an alkyl carbonate electrolyte at room temperature

Saeid Biria, Shreyas Pathreeker, Hansheng Li, Ian D. Hosein

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We report the plating and stripping of calcium metal at room temperature in a mixture of ethylene carbonate (EC) and propylene carbonate (PC) solvents using calcium tetrafluoroborate (Ca(BF4)2) as the salt. Calcium is reversibly deposited and removed over several cycles, with associated plating-stripping efficiencies of >95%. Thin layers (â 20 μm) of crystalline calcium are present as the deposits, with a stable solid electrolyte interface (SEI) forming. This work opens opportunities to realize redox active Ca metal electrodes using commercially available alkyl carbonate solvents.

Original languageEnglish (US)
Pages (from-to)7738-7743
Number of pages6
JournalACS Applied Energy Materials
Volume2
Issue number11
DOIs
StatePublished - Nov 25 2019

Keywords

  • anode
  • calcium batteries
  • energy storage
  • multivalent
  • plating
  • stripping

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Energy Engineering and Power Technology
  • Electrochemistry
  • Materials Chemistry
  • Electrical and Electronic Engineering

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