Basic study on the design of a power system for characteristic analysis of battery lifetime
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초록
Recently, there has been an increase in the global awareness on environmental pollution; consequently, there have been moderate attempts to suppress the occurrence of environmental pollutants and ecofriendly transportation with high energy efficiency has been attracting increasing attention. As these ecofriendly transportation systems primarily use batteries, research on battery charging and discharging characteristics is underway to extend the limited life span. In this study, a boost converter used in electric vehicles and electric propulsion ships was installed, and a circuit that can control the discharge current shape between the battery and the load terminal was added to analyze the discharge characteristics of the battery according to the discharge shape. The results of the analysis show that the time required for the state-of-health to reach 80% was small for the waveforms and is in the increasing order of constant current waveform, pulse waveform, sine waveform. This study confirmed that the shape of the discharge current affects the lifetime of the battery.
Abstract
Recently, there has been an increase in the global awareness on environmental pollution; consequently, there have been moderate attempts to suppress the occurrence of environmental pollutants and ecofriendly transportation with high energy efficiency has been attracting increasing attention. As these ecofriendly transportation systems primarily use batteries, research on battery charging and discharging characteristics is underway to extend the limited life span. In this study, a boost converter used in electric vehicles and electric propulsion ships was installed, and a circuit that can control the discharge current shape between the battery and the load terminal was added to analyze the discharge characteristics of the battery according to the discharge shape. The results of the analysis show that the time required for the state-of-health to reach 80% was small for the waveforms and is in the increasing order of constant current waveform, pulse waveform, sine waveform. This study confirmed that the shape of the discharge current affects the lifetime of the battery.
참고문헌 (7)
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