Sinusoidal-ripple-current charging strategy and optimal charging frequency study for Li-ion batteries

Liang-Rui Chen, Shing Lih Wu, Deng Tswen Shieh, Tsair Rong Chen

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

In this paper, the sinusoidal-ripple-current (SRC) charging strategy for a Li-ion battery is proposed. The ac-impedance analysis is used to explore the optimal charging frequency. Experiments indicate that the optimal charging performance can be achieved by the proposed SRC with the minimum-ac-impedance frequency fZ\min. Compared with the conventional constant-current constant-voltage charging strategy, the charging time, the charging efficiency, the maximum rising temperature, and the lifetime of the Li-ion battery are improved by about 17%, 1.9%, 45.8%, and 16.1%, respectively.

Original languageEnglish
Article number6140959
Pages (from-to)88-97
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume60
Issue number1
DOIs
Publication statusPublished - 2013 Jan 1

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Electric potential
Experiments
Temperature
Lithium-ion batteries

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this paper, the sinusoidal-ripple-current (SRC) charging strategy for a Li-ion battery is proposed. The ac-impedance analysis is used to explore the optimal charging frequency. Experiments indicate that the optimal charging performance can be achieved by the proposed SRC with the minimum-ac-impedance frequency fZ\min. Compared with the conventional constant-current constant-voltage charging strategy, the charging time, the charging efficiency, the maximum rising temperature, and the lifetime of the Li-ion battery are improved by about 17{\%}, 1.9{\%}, 45.8{\%}, and 16.1{\%}, respectively.",
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Sinusoidal-ripple-current charging strategy and optimal charging frequency study for Li-ion batteries. / Chen, Liang-Rui; Wu, Shing Lih; Shieh, Deng Tswen; Chen, Tsair Rong.

In: IEEE Transactions on Industrial Electronics, Vol. 60, No. 1, 6140959, 01.01.2013, p. 88-97.

Research output: Contribution to journalArticle

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