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Influence of the Electrolyte on the Internal Resistance of Lithium-Sulfur Batteries Studied with an Intermittent Current Interruption Method
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.ORCID iD: 0000-0002-0366-7228
2017 (English)In: Chemelectrochem, ISSN 2196-0216, Vol. 4, no 8, p. 1997-2004Article in journal (Refereed) Published
Abstract [en]

Galvanostatic cycling combined with a modified intermittent current interruption resistance determination method is presented as a fast, accurate, and comparatively simple analytical tool for following internal resistance changes in batteries over long-term cycling. The technique is demonstrated here to study the influence of electrolyte composition and volume on the internal resistance of lithium-sulfur (Li-S) batteries. This approach is found to be particularly useful for the study of the Li-S system, where resistance changes considerably during charge and discharge as a result of compositional changes to the positive electrode and the electrolyte, but may also be valuable in the study of other battery systems.

Place, publisher, year, edition, pages
2017. Vol. 4, no 8, p. 1997-2004
Keywords [en]
Lithium, sulfur, batteries, resistance, electrochemistry
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-335755DOI: 10.1002/celc.201700129ISI: 000410498700028OAI: oai:DiVA.org:uu-335755DiVA, id: diva2:1163924
Funder
Swedish Energy AgencyAvailable from: 2017-12-08 Created: 2017-12-08 Last updated: 2017-12-08Bibliographically approved

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Lacey, Matthew

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