Zusammenfassung
Due to strengthening enforcement of environmental laws and regulations, electrification of the automotive powertrain has been advancing so rapidly that rechargeable batteries used as a source of power are becoming increasingly important. Among them, lithium-ion batteries (LiBs) are expected to evolve at a high rate regarding light weight, high energy density and long lifetime. In order to make the most capacity of lithium-ion batteries in the strict automotive environment, the battery management system (BMS) constantly monitors the state of the batteries, and estimates the state-of- charge (SOC) for avoiding overcharge / overdischarge of the batteries. This paper focuses on the existing methods for estimating SOC from voltage, current and temperature of automotive LiBs, performs comparative evaluation, and proposes a process for SOC estimation.
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© 2018 Springer Fachmedien Wiesbaden GmbH, ein Teil von Springer Nature
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Huang, F., Murohoshi, M., Ichinose, A., Sui, T. (2018). A comparative evaluation on state of charge estimation methods for Lithium ion batteries of electric vehicles. In: Liebl, J. (eds) Der Antrieb von morgen 2018. Proceedings. Springer Vieweg, Wiesbaden. https://doi.org/10.1007/978-3-658-21419-7_6
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DOI: https://doi.org/10.1007/978-3-658-21419-7_6
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