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Issue 3, 2018
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In situ analytical techniques for battery interface analysis

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Abstract

Lithium-ion batteries, simply known as lithium batteries, are distinct among high energy density charge-storage devices. The power delivery of batteries depends upon the electrochemical performances and the stability of the electrode, electrolytes and their interface. Interfacial phenomena of the electrode/electrolyte involve lithium dendrite formation, electrolyte degradation and gas evolution, and a semi-solid protective layer formation at the electrode–electrolyte interface, also known as the solid–electrolyte interface (SEI). The SEI protects electrodes from further exfoliation or corrosion and suppresses lithium dendrite formation, which are crucial needs for enhancing the cell performance. This review covers the compositional, structural and morphological aspects of SEI, both artificially and naturally formed, and metallic dendrites using in situ/in operando cells and various in situ analytical tools. Critical challenges and the historical legacy in the development of in situ/in operando electrochemical cells with some reports on state-of-the-art progress are particularly highlighted. The present compilation pinpoints the emerging research opportunities in advancing this field and concludes on the future directions and strategies for in situ/in operando analysis.

Graphical abstract: In situ analytical techniques for battery interface analysis

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Publication details

The article was received on 10 Mar 2017 and first published on 08 Jan 2018


Article type: Review Article
DOI: 10.1039/C7CS00180K
Citation: Chem. Soc. Rev., 2018,47, 736-851
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    In situ analytical techniques for battery interface analysis

    A. M. Tripathi, W. Su and B. J. Hwang, Chem. Soc. Rev., 2018, 47, 736
    DOI: 10.1039/C7CS00180K

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