Surface modifications of positive-electrode materials for lithium ion batteries

Kwon, Nam Hee; Conder, Joanna; Srout, Mohammed; Fromm, Katharina M.

doi:10.2533/chimia.2019.880

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Journal article

Surface modifications of positive-electrode materials for lithium ion batteries

Kwon, Nam Hee Department of Chemistry, University of Fribourg, Chemin du Musee 9, CH-1700 Fribourg
Conder, Joanna Department of Chemistry, University of Fribourg, Chemin du Musee 9, CH-1700 Fribourg
Srout, Mohammed Department of Chemistry, University of Fribourg, Chemin du Musee 9, CH-1700 Fribourg
Fromm, Katharina M. Department of Chemistry, University of Fribourg, Chemin du Musee 9, CH-1700 Fribourg

01.11.2019

Published in:

CHIMIA International Journal for Chemistry. - 2019, vol. 73, no. 11, p. 880–893

English Lithium ion batteries are typically based on one of three positive-electrode materials, namely layered oxides, olivine- and spinel-type materials. The structure of any of them is 'resistant' to electrochemical cycling, and thus, often requires modification/post- treatment to improve a certain property, for example, structural stability, ionic and/or electronic conductivity. This review provides an overview of different examples of coatings and surface modifications used for the positive-electrode materials as well as various characterization techniques often chosen to confirm/detect the introduced changes. It also assesses the electrochemical success of the surface-modified positive-electrode materials, thereby highlighting remaining challenges and pitfalls.

Faculty

Faculté des sciences et de médecine

Department

Département de Chimie

Language