Issue 73, 2022

Chasing protons in lithium-ion batteries

Abstract

Parasitic reactions between delithiated cathode materials and non-aqueous electrolytes have been a major barrier that limits the upper cutoff potential of cathode materials. It is of great importance to suppress such parasitic reactions to unleash the high-energy-density potential of high voltage cathode materials. Although major effort has been made to identify the chemical composition of the cathode electrolyte interface using various cutting edge characterization tools, the chemical nature of parasitic reactions remains a puzzle. This severely hinders the rational development of stable high voltage cathode/electrolyte pairs for high-energy density lithium-ion batteries. This feature article highlights our latest effort in understanding the chemical/electrochemical role of the cathode electrolyte interface using protons as a chemical tracer for parasitic reactions.

Graphical abstract: Chasing protons in lithium-ion batteries

Article information

Article type
Feature Article
Submitted
15 Uzt. 2022
Accepted
10 Abu. 2022
First published
11 Abu. 2022

Chem. Commun., 2022,58, 10127-10135

Author version available

Chasing protons in lithium-ion batteries

Z. Chen, Chem. Commun., 2022, 58, 10127 DOI: 10.1039/D2CC03970B

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