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Nanoscale chemical imaging of the additive effects on the interfaces of high-voltage LiCoO2 composite electrodes

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Abstract

X-ray photoemission electron microscopy (X-PEEM) of cycled LiCoO2 composite electrodes has revealed the interfaces of various components within the composite electrodes and their dependence on additives in the electrolyte and the interplay of multiple components in the electrodes. This study visualizes CoF2 distribution and Co–O bonding variation along with local component agglomeration and degradation. The obtained new insights will assist further development of long-life high-voltage LiCoO2/C batteries.

Graphical abstract: Nanoscale chemical imaging of the additive effects on the interfaces of high-voltage LiCoO2 composite electrodes

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Publication details

The article was received on 22 May 2017, accepted on 11 Jul 2017 and first published on 11 Jul 2017


Article type: Communication
DOI: 10.1039/C7CC03960C
Citation: Chem. Commun., 2017, Advance Article
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    Nanoscale chemical imaging of the additive effects on the interfaces of high-voltage LiCoO2 composite electrodes

    J. Wang, Y. Ji, N. Appathurai, J. Zhou and Y. Yang, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC03960C

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