Issue 1, 2023

Experimental determination of metals generated during the thermal failure of lithium ion batteries

Abstract

Lithium ion cells, although near ubiquitous as a portable power source in today's society, have rare, but well documented failure pathways which generate gas, fumes and smoke, and often result in fire. Whilst the composition of the gas has been subject to much analysis, far fewer reports have focussed on the nature of any solid materials released. This work describes the causing to fail (by applying an external heat source) of a range of commercially available and widely used cells. Samples of both the smoke generated during the failure, and the residues left surrounding the cell after failure, were analysed for metal content by ICP-AES. These showed that all samples contained the key metals expected to be in cell cathodes (nickel, manganese, cobalt and aluminium) in not dissimilar ratios. However, the ratio of these elements differed from cell to cell, as the cathode varied.

Graphical abstract: Experimental determination of metals generated during the thermal failure of lithium ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
14 Okt 2022
Accepted
14 Dez 2022
First published
03 Jan 2023
This article is Open Access
Creative Commons BY license

Energy Adv., 2023,2, 170-179

Experimental determination of metals generated during the thermal failure of lithium ion batteries

J. E. H. Buston, J. Gill, R. Lisseman, J. Morton, D. Musgrove and R. C. E. Williams, Energy Adv., 2023, 2, 170 DOI: 10.1039/D2YA00279E

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