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Probing the interfacial chemistry of solid-state lithium batteries
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.ORCID iD: 0000-0002-3374-2276
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.ORCID iD: 0000-0002-9862-7375
Uppsala Univ, Angstrom Lab, Dept Chem, Box 538, S-75121 Uppsala, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.ORCID iD: 0000-0002-8019-2801
2019 (English)In: Solid State Ionics, ISSN 0167-2738, E-ISSN 1872-7689, Vol. 343, article id 115068Article, review/survey (Refereed) Published
Abstract [en]

This review aims to give a brief overview of the current state-of-the-art in the analysis of the interfacial chemistry in solid-state batteries. Despite generally regarded as being decisive for the ultimate success of these energy storage devices, this surface chemistry has so far only been explored to a rather limited extent in the scientific literature, but constitutes a research area which is currently undergoing rapid progress due to the growing interest in solid-state electrolyte materials and their corresponding battery applications. The review discusses the technical difficulties in performing these interfacial analyses for both ceramic and solid polymer electrolyte systems, and describes ways to overcome them using different methodologies: electrochemical techniques (primarily impedance spectroscopy), photoelectron spectroscopy, microscopy, and other less familiar experimental techniques. Modelling studies of the solid electrolyte-electrode interface are also included. It is concluded that especially the interfacial chemistry of polymer electrolytes has indeed been an understudied area. Furthermore, the review shows that analytical techniques employed so far have been largely complimentary to each other, but that joint studies and the development of novel analytical tools exploiting large-scale facilities will boost this research over the coming years.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 343, article id 115068
Keywords [en]
Li-battery, Solid electrolyte, Solid state battery, Interface, Solid electrolyte interphase, Photoelectron spectroscopy, Modelling
National Category
Materials Chemistry Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-401918DOI: 10.1016/j.ssi.2019.115068ISI: 000501652900025OAI: oai:DiVA.org:uu-401918DiVA, id: diva2:1385123
Funder
EU, European Research Council, 771777Available from: 2020-01-13 Created: 2020-01-13 Last updated: 2020-01-13Bibliographically approved

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Sångeland, ChristoferMindemark, JonasBrandell, Daniel

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