Battery Management Systems in Electric and Hybrid Vehicles

Yinjiao Xing, Eden W. M. Ma, Kwok L. Tsui and Michael Pecht
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Yinjiao Xing: Center for Prognostics and System Health Management (PHMC), City University of Hong Kong, Hong Kong, China
Eden W. M. Ma: Center for Prognostics and System Health Management (PHMC), City University of Hong Kong, Hong Kong, China
Kwok L. Tsui: Center for Prognostics and System Health Management (PHMC), City University of Hong Kong, Hong Kong, China
Michael Pecht: Center for Prognostics and System Health Management (PHMC), City University of Hong Kong, Hong Kong, China

Energies, 2011, vol. 4, issue 11, 1-18

Abstract: The battery management system (BMS) is a critical component of electric and hybrid electric vehicles. The purpose of the BMS is to guarantee safe and reliable battery operation. To maintain the safety and reliability of the battery, state monitoring and evaluation, charge control, and cell balancing are functionalities that have been implemented in BMS. As an electrochemical product, a battery acts differently under different operational and environmental conditions. The uncertainty of a battery’s performance poses a challenge to the implementation of these functions. This paper addresses concerns for current BMSs. State evaluation of a battery, including state of charge, state of health, and state of life, is a critical task for a BMS. Through reviewing the latest methodologies for the state evaluation of batteries, the future challenges for BMSs are presented and possible solutions are proposed as well.

Keywords: battery management system; lithium-ion battery; state of charge; state of health; state of life (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (64)

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