A Comparative Study of Lithium Ion to Lead Acid Batteries for use in UPS Applications

Ana-Irina Stan, Maciej Jozef Swierczynski, Daniel Ioan Stroe, Remus Teodorescu, Søren Juhl Andreasen, Klaus Moth

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26 Citationer (Scopus)

Abstrakt

Uninterruptible power supply (UPS) systems have incorporated in their structure an electrochemical battery which allows for smooth power supply when a power failure occurs. In general, UPS systems are based on lead acid batteries; mainly a valve regulated lead acid (VRLA) battery. Recently, lithium ion batteries are getting more and more attention for their use in the back-up power systems and UPSs, because of their superior characteristics, which include increased safety and higher gravimetric and volumetric energy densities. This fact allows them to be smaller in size and weight less than VRLA batteries, which are currently used in UPS applications.
The main purpose of this paper is to analyze how Li-ion batteries can become a useful alternative to present VRLA. In this study, three different electrochemical battery technologies were investigated; two of the most appealing Li-ion chemistries, lithium iron phosphate (LFP) and lithium titanate oxide (LTO) were compared with lead acid batteries, in terms of their basics characteristics (e.g. capacity, internal resistance) and their dependence on the operating conditions.
OriginalsprogEngelsk
TitelProceedings of the 2014 IEEE International Telecommunications Energy Conference (INTELEC)
Antal sider8
ForlagIEEE Press
Publikationsdatookt. 2014
Sider1-8
DOI
StatusUdgivet - okt. 2014
Begivenhed2014 IEEE International Telecommunications Energy Conference (INTELEC) - Vancouver, Canada
Varighed: 28 sep. 20142 okt. 2014

Konference

Konference2014 IEEE International Telecommunications Energy Conference (INTELEC)
LandCanada
ByVancouver
Periode28/09/201402/10/2014
NavnInternational Telecommunications Energy Conference. Proceedings
ISSN0275-0473

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