Investigation on the Self-discharge of the LiFePO4/C nanophosphate battery chemistry at different conditions

Maciej Jozef Swierczynski, Daniel Ioan Stroe, Ana-Irina Stan, Remus Teodorescu, Søren Knudsen Kær

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13 Citationer (Scopus)

Abstrakt

Lithium ion batteries with iron phosphate cathodes are gradually improving in their performance and gaining importance, and are more and more considered for new applications. Different aspects of this chemistry were studied in numerous publications; however, very little research was devoted to detailed empirical investigations in order to find out how self-discharge of this chemistry depends on different storing conditions. Precise knowledge about the level of the self-discharge of lithium ion battery cells is very important for improving the performance of the battery management system since it allows also for more precise determination of the actual battery SOC after prolonged storage. In this paper the self-discharge of the nanophosphate LiFePO4/C is studied at different temperature, SOC conditions and at different SOH levels of the battery. Moreover, cell to cell differences in self-discharge caused by the manufacturing tolerances are investigated.
OriginalsprogEngelsk
TitelProceedings of the 2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific)
Antal sider6
UdgivelsesstedBeijing
ForlagIEEE Press
Publikationsdatosep. 2014
Sider1-6
ISBN (Trykt)978-1-4799-4240-4
DOI
StatusUdgivet - sep. 2014
Begivenhed2014 IEEE ITEC Asia-Pacific - Beijing, Kina
Varighed: 31 aug. 20143 sep. 2014

Konference

Konference2014 IEEE ITEC Asia-Pacific
Land/OmrådeKina
ByBeijing
Periode31/08/201403/09/2014

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