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Abstract
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.
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.
Original language | English |
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Title of host publication | Proceedings of the 2014 IEEE International Telecommunications Energy Conference (INTELEC) |
Number of pages | 8 |
Publisher | IEEE Press |
Publication date | Oct 2014 |
Pages | 1-8 |
DOIs | |
Publication status | Published - Oct 2014 |
Event | 2014 IEEE International Telecommunications Energy Conference (INTELEC) - Vancouver, Canada Duration: 28 Sept 2014 → 2 Oct 2014 |
Conference
Conference | 2014 IEEE International Telecommunications Energy Conference (INTELEC) |
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Country/Territory | Canada |
City | Vancouver |
Period | 28/09/2014 → 02/10/2014 |
Series | International Telecommunications Energy Conference. Proceedings |
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ISSN | 0275-0473 |
Keywords
- Lithium Ion battery
- Lead acid battery
- Uninterruptible Power Supply (UPS)
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Dive into the research topics of 'A Comparative Study of Lithium Ion to Lead Acid Batteries for use in UPS Applications'. Together they form a unique fingerprint.Projects
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ALPBES: Advanced Lifetime Predictions of Battery Energy Storage
Kær, S. K., Andreasen, S. J., Teodorescu, R., Stroe, A., Barreras, J. V., Khan, M. R. & Swierczynski, M. J.
DSF The Danish Council for Strategic Research
01/02/2013 → 30/08/2017
Project: Research