Hybrid charging strategy with adaptive current control of lithium-ion battery for electric vehicles

Li, Yong; Ma, Jianmin; Huang, Chun; Xu, Yongjian; Chen, Hong; Huang, Yuduo

doi:10.1016/j.renene.2020.07.018

Cited by 14 publications

(5 citation statements)

References 36 publications

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“…The power levels and charging speeds enabled by the infrastructure are defined by charging standards. DC fast charging power levels can vary from 50 kW to several hundred kW, facilitating rapid charging durations [127]. Guidelines have established the upper limits for power and voltage to ensure safe and efficient charging procedures.…”

Section: Power Level and Charging Speedsmentioning

confidence: 99%

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A Comprehensive Review of Developments in Electric Vehicles Fast Charging Technology

Zentani,

Almaktoof,

Kahn

2024

Applied Sciences

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Electric vehicle (EV) fast charging systems are rapidly evolving to meet the demands of a growing electric mobility landscape. This paper provides a comprehensive overview of various fast charging techniques, advanced infrastructure, control strategies, and emerging challenges and future trends in EV fast charging. It discusses various fast charging techniques, including inductive charging, ultra-fast charging (UFC), DC fast charging (DCFC), Tesla Superchargers, bidirectional charging integration, and battery swapping, analysing their advantages and limitations. Advanced infrastructure for DC fast charging is explored, covering charging standards, connector types, communication protocols, power levels, and charging modes control strategies. Electric vehicle battery chargers are categorized into on-board and off-board systems, with detailed functionalities provided. The status of DC fast charging station DC-DC converters classification is presented, emphasizing their role in optimizing charging efficiency. Control strategies for EV systems are analysed, focusing on effective charging management while ensuring safety and performance. Challenges and future trends in EV fast charging are thoroughly explored, highlighting infrastructure limitations, standardization efforts, battery technology advancements, and energy optimization through smart grid solutions and bidirectional chargers. The paper advocates for global collaboration to establish universal standards and interoperability among charging systems to facilitate widespread EV adoption. Future research areas include faster charging, infrastructure improvements, standardization, and energy optimization. Encouragement is given for advancements in battery technology, wireless charging, battery swapping, and user experience enhancement to further advance the EV fast charging ecosystem. In summary, this paper offers valuable insights into the current state, challenges, and future directions of EV fast charging, providing a comprehensive examination of technological advancements and emerging trends in the field.

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Section: Power Level and Charging Speedsmentioning

confidence: 99%

“…In this mode of control, the charging station feeds the EV battery a steady current while it is being charged. During the initial phases of charging, when the battery's state of charge (SoC) remains relatively low, this mode control method is frequently employed [127].…”

Section: Constant Current Chargingmentioning

confidence: 99%

A Comprehensive Review of Developments in Electric Vehicles Fast Charging Technology

Zentani,

Almaktoof,

Kahn

2024

Applied Sciences

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“…In this mode control, the charging station feeds the EV battery a steady current while it is being charged. During the initial phases of charging, when the batteryʹs state of charge (SoC) remains relatively low, this mode control method is frequently employed [132]. Constant current charging facilitates faster charge rates, ensuring prompt replenishment of the batteryʹs capacity.…”

Section: Constant Current Chargingmentioning

confidence: 99%

A Comprehensive Review of Electric Vehicles Fast Charging Developments and Technology

Zentani,

Almaktoof,

Kahn

2024

Preprint

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The electric vehicle (EV) industry is experiencing rapid growth, accompanied by continuous advancements in charging infrastructure to satisfy the rising need for fast and reliable charging. Particularly, the focus has shifted towards EV fast charging (EVFC) and its impact on the power grid. This paper presents a comprehensive analysis and survey of scholarly literature and projects conducted in this field over the past decade. The findings highlight the rising demand for EVFC and the need to address its potential adverse effects on the power grid. However, there is a noticeable lack of clear research guidance regarding charging time. To tackle these challenges and pave the way for future solutions, extensive research on DC fast charging, ultra-fast charging, and the integration of vehicle-to-grid (V2G) systems is required. This review paper thoroughly investigates the development of fast charging technology for electric vehicles (EVs), including its advantages and comparative analyses from various perspectives. Furthermore, it delves into the advancements in DC fast charging infrastructure, emphasizing charging standards and control modes. The study also investigates different categories of battery chargers for both on-board and off-board charging. Additionally, it explores the classification of DC-DC converters in the context of DC fast charging stations, discusses control strategies for EV systems, identifies existing challenges, and outlines future trends in EV fast charging.

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“…Lithium-ion batteries have many advantages, such as high energy density, stable output current capacity, and long cycle life, which has been widely used in electric vehicles (EVs) and hybrid electric vehicles (HEVs). [1][2][3][4][5][6] In order to ensure safe and reliable operation of lithium batteries, an effective battery management system (BMS) is needed to monitor and control the battery. [7][8][9][10][11] As one of the most important indicators of BMS, state of charge (SOC) plays a role of the petrol gauge of traditional oil-fueled vehicles in EVs and HEVs.…”

Section: Introductionmentioning

confidence: 99%

A SOE estimation method for lithium batteries considering available energy and recovered energy

Peng¹,

Wang

Zhao³

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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State of energy (SOE) is a critical index of lithium battery. The problem of the inaccurate available energy and recovered energy of lithium battery affects the accuracy of SOE estimation. In order to solve the problem, this paper proposes a method to estimate the available discharge energy of lithium batteries based on response surface model. In this method, the energy efficiency of lithium batteries in different states is obtained by establishing the relationship model of external charge voltage and external discharge voltage, so as to estimate the actual available energy of lithium batteries in different charge states. On this basis, a correction method based on radial basis function (RBF) neural network is proposed to estimate the actual energy released by the recovered energy when the current direction of the battery is changed. The proposed energy correction method is combined with the adaptive particle filter algorithm to estimate SOE. This method is not limited to the assumption of Gaussian function and can accurately predict the noise variance, so as to improve the estimation accuracy of SOE. Simulations under urban dynamometer driving schedule (UDDS) are conducted, and the result shows that the proposed method can effectively estimate the battery energy and improve the accuracy of SOE estimation.

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Hybrid charging strategy with adaptive current control of lithium-ion battery for electric vehicles

Cited by 14 publications

References 36 publications

A Comprehensive Review of Developments in Electric Vehicles Fast Charging Technology

A Comprehensive Review of Developments in Electric Vehicles Fast Charging Technology

A Comprehensive Review of Electric Vehicles Fast Charging Developments and Technology

A SOE estimation method for lithium batteries considering available energy and recovered energy

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