B. Popov, A. Durairajan, Y. Podrazhansky, R.C. Cope
{"title":"Capacity fade of Li-ion cells: comparison of DC and ENREV charging protocols","authors":"B. Popov, A. Durairajan, Y. Podrazhansky, R.C. Cope","doi":"10.1109/BCAA.2000.838402","DOIUrl":null,"url":null,"abstract":"Sony 18650S Li-ion cells have been cycled using direct current and ENREV pulse charging (CC-CV) protocols. The influence of the charging protocol on the capacity fade of these batteries has been analyzed using cyclic voltammetry, galvanostatic charge-discharge and impedance spectroscopy. Batteries with different cycle numbers charged using ENREV pulse charging protocol showed superior charge transfer performance and rate capabilities and more than 90% retention of the initial capacity after 800 cycles compared with 64% retention of capacity observed for batteries charged using DC charge protocol.","PeriodicalId":368992,"journal":{"name":"Fifteenth Annual Battery Conference on Applications and Advances (Cat. No.00TH8490)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fifteenth Annual Battery Conference on Applications and Advances (Cat. No.00TH8490)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/BCAA.2000.838402","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Sony 18650S Li-ion cells have been cycled using direct current and ENREV pulse charging (CC-CV) protocols. The influence of the charging protocol on the capacity fade of these batteries has been analyzed using cyclic voltammetry, galvanostatic charge-discharge and impedance spectroscopy. Batteries with different cycle numbers charged using ENREV pulse charging protocol showed superior charge transfer performance and rate capabilities and more than 90% retention of the initial capacity after 800 cycles compared with 64% retention of capacity observed for batteries charged using DC charge protocol.
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