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Comparison Study on Two Model-Based Adaptive Algorithms for SOC Estimation of Lithium-Ion Batteries in Electric Vehicles

Tian, Yong; Xia, Bizhong; Wang, Mingwang; Sun, Wei; Xu, … - In: Energies 7 (2014) 12, pp. 8446-8464

State of charge (SOC) estimation is essential to battery management systems in electric vehicles (EVs) to ensure the safe operations of batteries and providing drivers with the remaining range of the EVs. A number of estimation algorithms have been developed to get an accurate SOC value because...

Persistent link: https://www.econbiz.de/10011099346

Estimation of State of Charge for Two Types of Lithium-Ion Batteries by Nonlinear Predictive Filter for Electric Vehicles

Hua, Yin; Xu, Min; Li, Mian; Ma, Chengbin; Zhao, Chen - In: Energies 8 (2015) 5, pp. 3556-3577

Estimation of state of charge (SOC) is of great importance for lithium-ion (Li-ion) batteries used in electric vehicles. This paper presents a state of charge estimation method using nonlinear predictive filter (NPF) and evaluates the proposed method on the lithium-ion batteries with different...

Persistent link: https://www.econbiz.de/10011268486

Study on the Optimal Charging Strategy for Lithium-Ion Batteries Used in Electric Vehicles

Zhang, Shuo; Zhang, Chengning; Xiong, Rui; Zhou, Wei - In: Energies 7 (2014) 10, pp. 6783-6797

The charging method of lithium-ion batteries used in electric vehicles (EVs) significantly affects its commercial application. This paper aims to make three contributions to the existing literature. (1) In order to achieve an efficient charging strategy for lithium-ion batteries with shorter...

Persistent link: https://www.econbiz.de/10010945713

Three-Dimensional Modeling of the Thermal Behavior of a Lithium-Ion Battery Module for Hybrid Electric Vehicle Applications

Yi, Jaeshin; Koo, Boram; Shin, Chee Burm - In: Energies 7 (2014) 11, pp. 7586-7601

This paper reports a modeling methodology to predict the effects of operating conditions on the thermal behavior of a lithium-ion battery (LIB) module. The potential and current density distributions on the electrodes of an LIB cell are predicted as a function of discharge time based on the...

Persistent link: https://www.econbiz.de/10011075175

Non-Destructive Analysis of Degradation Mechanisms in Cycle-Aged Graphite/LiCoO2 Batteries

Zhang, Liqiang; Wang, Lixin; Lyu, Chao; Li, Junfu; … - In: Energies 7 (2014) 10, pp. 6282-6305

Non-destructive analysis of degradation mechanisms can be very beneficial for the prognostics and health management (PHM) study of lithium-ion batteries. In this paper, a type of graphite/LiCoO2 battery was cycle aged at high ambient temperature, then 25 parameters of the multi-physics model...

Persistent link: https://www.econbiz.de/10011030724

Electrostatic Self-Assembly of Fe3O4 Nanoparticles on Graphene Oxides for High Capacity Lithium-Ion Battery Anodes

Yoon, Taegyune; Kim, Jaegyeong; Kim, Jinku; Lee, Jung Kyoo - In: Energies 6 (2013) 9, pp. 4830-4840

Magnetite, Fe3O4, is a promising anode material for lithium ion batteries due to its high theoretical capacity (924 mA h g−1), high density, low cost and low toxicity. However, its application as high capacity anodes is still hampered by poor cycling performance. To stabilize the cycling...

Persistent link: https://www.econbiz.de/10011031009

Fast Estimation of State of Charge for Lithium-Ion Batteries

Wu, Shing-Lih; Chen, Hung-Cheng; Chou, Shuo-Rong - In: Energies 7 (2014) 5, pp. 3438-3452

This paper presents a novel impedance-based approach to efficiently estimate the state of charge (SOC) of a Li-ion battery. By using an AC impedance analyzer, a database is constructed, containing records of AC impedance versus SOC. In practical applications, the SOC values can be found...

Persistent link: https://www.econbiz.de/10011031271

Evaluation of Lithium-Ion Battery Equivalent Circuit Models for State of Charge Estimation by an Experimental Approach

He, Hongwen; Xiong, Rui; Fan, Jinxin - In: Energies 4 (2011) 4, pp. 582-598

To improve the use of lithium-ion batteries in electric vehicle (EV) applications, evaluations and comparisons of different equivalent circuit models are presented in this paper. Based on an analysis of the traditional lithium-ion battery equivalent circuit models such as the Rint, RC, Thevenin...

Persistent link: https://www.econbiz.de/10011031384

Battery Management Systems in Electric and Hybrid Vehicles

Xing, Yinjiao; Ma, Eden W. M.; Tsui, Kwok L.; Pecht, Michael - In: Energies 4 (2011) 11, pp. 1840-1857

monitoring and evaluation, charge control, and cell balancing are functionalities that have been implemented in BMS. As an … 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 …

Persistent link: https://www.econbiz.de/10010676022

Satellite Lithium-Ion Battery Remaining Cycle Life Prediction with Novel Indirect Health Indicator Extraction

Liu, Datong; Wang, Hong; Peng, Yu; Xie, Wei; Liao, Haitao - In: Energies 6 (2013) 8, pp. 3654-3668

Prognostics and remaining useful life (RUL) estimation for lithium-ion batteries play an important role in intelligent battery management systems (BMS). The capacity is often used as the fade indicator for estimating the remaining cycle life of a lithium-ion battery. For spacecraft requiring...

Persistent link: https://www.econbiz.de/10010681056