A Rechargeable Aqueous Lithium Ion Battery with High Rate Capability Based on Metallic Cadmium and LiCoO2

Yu Liu, Suning Gao, Rudolf Holze

Research output

3 Citations (Scopus)

Abstract

An aqueous rechargeable lithium ion battery with metallic cadmium as the negative electrode, LiCoO2 nanoparticles as the positive electrode, and a neutral aqueous electrolyte solution of 0.5 M Li2SO4 and 10 mM Cd(Ac)2 is reported. It has good electrochemical performance. The calculated energy density based on the practically available capacity of the two electrodes is 72 W h kg–1; this is comparable to that of Ni–Cd batteries. The positive mercury electrode of the Weston cell is replaced by a LiCoO2 electrode, the negative cadmium amalgam by a plain cadmium metal electrode. Mercury is completely avoided. Compared with Ni–Cd batteries an alkaline electrolyte solution is not needed making the system more environment friendly.
Original languageEnglish
Pages (from-to)1068-1076
JournalRussian Journal of Electrochemistry
Volume55
Issue number11
Early online date11 Dec 2019
DOIs
Publication statusPublished - 2019

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