Increasingly stringent requirements to improve fuel economy and reduce emissions are pushing the automotive industry toward more innovative solutions. To fulfill the demand, OEMs are developing hybrid systems with powerful electronics. The key technology is in all cases the battery. It is the most critical and expensive element of hybrid systems. The battery requires special care, as it must supply up to 400 Volts (V) and have a capacity of up to several kilowatt-hours (kWh). This paper will review the main functions of a Lithium-ion (Li-ion) battery management system, including power on/off, charging/discharging, and computation of the state of charge and state of health. In order to increase the battery lifespan, new functions such as active load balancing must be implemented.
Lithium-ion Battery Management Integrating Active Load Balancing
Sae Technical Papers
SAE World Congress & Exhibition ; 2008
14.04.2008
Aufsatz (Konferenz)
Englisch
Lithium-ion Battery Management Integrating Active Load Balancing
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