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

Publikation: Bidrag til tidsskriftKonferenceartikel i tidsskriftpeer review

5 Citationer (Scopus)
833 Downloads (Pure)

Abstrakt

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.
OriginalsprogEngelsk
TidsskriftECS Transactions
Vol/bind72
Udgave nummer12
Sider (fra-til)13-22
Antal sider10
ISSN1938-6737
DOI
StatusUdgivet - okt. 2016
Begivenhed229th ECS Meeting - San Diego, USA
Varighed: 29 maj 20162 jun. 2016

Konference

Konference229th ECS Meeting
LandUSA
BySan Diego
Periode29/05/201602/06/2016

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