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Study on Estimation of Intelligent Residual Capacity of Li-ion Batteries

This research proposes a method for estimating the residual capacity of Li-ion batteries. The charging and discharging characteristics of Li-ion batteries are investigated and analyzed by a battery test system. The measurement of the initial capacity is based on the improved open-circuit voltage measurement, which compensates the effects of battery aging and self-discharging. The measurement of the used capacity is based on the improved coulomb counting measurement, which compensates the effects of output current and environmental temperature. The designed system provides various functions for battery charging and discharging, battery voltage measuring and recording, battery capacity estimation and calculation, and the log files can be used for further battery characteristics analysis.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-1019104-104343
Date19 October 2004
CreatorsLai, Shih-Jung
ContributorsYung-Chun Wu, Tzuen-Lih Chern, Tsai-Chung Yu
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-1019104-104343
Rightsoff_campus_withheld, Copyright information available at source archive

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