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Open AccessArticle

Power Capability Analysis of Lithium Battery and Supercapacitor by Pulse Duration

by Seongjun Lee 1 and Jonghoon Kim 2,*
1
School of Mechanical System & Automotive Engineering, Chosun University, Gwangju, 61452, Korea
2
Department of Electrical Engineering, Chungnam National University, Daejeon, 34134, Korea
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(12), 1395; https://doi.org/10.3390/electronics8121395
Received: 14 November 2019 / Accepted: 20 November 2019 / Published: 22 November 2019
(This article belongs to the Special Issue Challenges of Battery Management System)
In this report, a method for estimating pulse power performance according to pulse duration is proposed. This approach can be used for power control logic in an environmentally friendly power generation system such as electric vehicles and an energy storage system (ESS). Although there have been studies on pulse power capability, we are unaware of any publications on the estimation of the magnitude of pulse power according to the power usage time, and the verification of the estimation result. Therefore, we propose a method to predict power performance according to the pulse duration of batteries and supercapacitors that are used in eco-friendly power generation systems. The proposed method is systematically presented using both a lithium-ion battery module with a nominal voltage of 44 V, 11 Ah, and a supercapacitor module with a maximum voltage of 36 V and a capacitance of 30 F. View Full-Text
Keywords: pulse power capability; energy storage system; battery; electric vehicle; supercapacitor pulse power capability; energy storage system; battery; electric vehicle; supercapacitor
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Lee, S.; Kim, J. Power Capability Analysis of Lithium Battery and Supercapacitor by Pulse Duration. Electronics 2019, 8, 1395.

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