An Electrochemical Impedance Spectroscopy Study on a Lithium Sulfur Pouch Cell

Daniel Loan Stroe, Vaclav Knap, Maciej Jozef Swierczynski, Tiberiu Stanciu, Erik Schaltz, Remus Teodorescu

Research output: Contribution to journalConference article in JournalResearchpeer-review

5 Citations (Scopus)
779 Downloads (Pure)

Abstract

The impedance behavior of a 3.4 Ah pouch Lithium-Sulfur cell was extensively characterized using the electrochemical impedance spectroscopy (EIS) technique. EIS measurements were performed at various temperatures and over the entire state-of-charge (SOC) interval without applying a superimposed DC current. The obtained results have revealed a high dependency of the pouch cell’s impedance spectrum on the operating conditions. An equivalent electrical circuit was proposed to further analyze the results and to quantify the contributions of different resistances to the total impedance of the Li-S pouch cell at different SOCs and temperatures.
Original languageEnglish
JournalECS Transactions
Volume72
Issue number12
Pages (from-to)13-22
Number of pages10
ISSN1938-6737
DOIs
Publication statusPublished - Oct 2016
Event229th ECS Meeting - San Diego, United States
Duration: 29 May 20162 Jun 2016

Conference

Conference229th ECS Meeting
CountryUnited States
CitySan Diego
Period29/05/201602/06/2016

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