NDLI: Voltage equalizer for li-ion battery string using LC series resonance

Content Provider	IEEE Xplore Digital Library
Author	Chang-hyeon Sung Kyungmin Lee Bongkoo Kang
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Pohang Univ. of Sci. & Technol., Pohang, South Korea (Chang-hyeon Sung; Kyungmin Lee; Bongkoo Kang)
Abstract	This paper proposes voltage equalizer for lithium-ion battery string. Proposed equalizer uses LC resonant tank for energy transfer between battery cells. LC resonant tank is connected to the cells by switch network and can store and release energy from any cell in the battery string. Therefore energy can be transferred from strong cell to weak cell directly, which is effective for both of top and bottom balancing. In order to improve balancing performance, adjustable speed structure is employed. Prototype was implemented for 5 cell lithium-ion battery string. Experimental results showed that proposed circuit is suitable for battery cell balancing.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	1404
Ending Page	1409
File Size	1466867
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6699338
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Batteries RLC circuits Prototypes Equalizers Switches Capacitors Capacitance cell equalizer active balancing li-ion battery serial resonance
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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