Study on Self-discharge Behavior of Lithium-Sulfur Batteries

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4 Citationer (Scopus)
648 Downloads (Pure)

Abstrakt

Lithium-Sulfur (Li-S) batteries are a promising energy storage technology, which draws interest due to their high theoretical limits in terms of specific capacity, specific energy and energy density. However as a drawback, they suffer from a high self-discharge rate, which is mainly caused by ongoing polysulfide shuttle. In this paper, the self-discharge behavior of Li-S batteries is experimentally investigated, considering various conditions as depth-of-discharge, temperature and idling time. The self-discharge rate under different conditions is identified and quantified. Moreover, a methodology for estimating the capacity of the high voltage plateau based on a self-discharge constant was analyzed; however, the method needs further improvements in order to estimate this capacity accurately for all conditions.
OriginalsprogEngelsk
TidsskriftECS Transactions
Vol/bind70
Udgave nummer1
Sider (fra-til)95-103
ISSN1938-6737
DOI
StatusUdgivet - 2015
BegivenhedInternational Conference Advanced Batteries, Accumulators and Fuel Cells - Brno, Tjekkiet
Varighed: 30 aug. 20153 sep. 2015
Konferencens nummer: 16

Konference

KonferenceInternational Conference Advanced Batteries, Accumulators and Fuel Cells
Nummer16
LandTjekkiet
ByBrno
Periode30/08/201503/09/2015

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