Issue 42, 2014

Li–Se battery: absence of lithium polyselenides in carbonate based electrolyte

Abstract

The lithiation mechanism of the Li–Se cell in a carbonate-based electrolyte is discussed. It is found that Se is directly reduced to Li2Se in discharge without intermediate phases detected by in situ X-ray diffraction or X-ray absorption spectroscopy. The reason is that the redox products Se and Li2Se, as well as lithium polyselenides are insoluble in the electrolyte.

Graphical abstract: Li–Se battery: absence of lithium polyselenides in carbonate based electrolyte

Supplementary files

Article information

Article type
Communication
Submitted
04 Feb 2014
Accepted
04 Apr 2014
First published
04 Apr 2014

Chem. Commun., 2014,50, 5576-5579

Author version available

Li–Se battery: absence of lithium polyselenides in carbonate based electrolyte

Y. Cui, A. Abouimrane, C. Sun, Y. Ren and K. Amine, Chem. Commun., 2014, 50, 5576 DOI: 10.1039/C4CC00934G

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