Cited by 104Advanced Battery Technologies ResearchAdvanced DC-DC ConvertersInduction Heating and Inverter Technology

A Compact Resonant Switched-Capacitor Heater for Lithium-Ion Battery Self-Heating at Low Temperatures

Shang, Yunlong, Liu, Kailong, Cui, Naxin, Wang, Nan, Li, Ke, Zhang, Chenghui·2020·IEEE Transactions on Power Electronics

Abstract

Lithium-ion (Li-ion) batteries endure substantial energy loss and power recession under cold environments, requiring to be heated before starting normal operations in electric vehicles (EVs). Currently, many internal ac heating approaches powered by batteries have been proposed to achieve a fast heating speed, high efficiency, and good uniformity. However, due to the bulky size, high cost, and low ac heating frequency, the existing ac heating devices are generally improper for EV applications. In the light of this, a compact high-frequency heater is proposed in this article to achieve effective self-heating for Li-ion batteries. Specifically, based upon the resonant switched capacitors (RSCs), this heater is only powered by the on-board battery pack, leading to an easy implementation. Detailed analytical expressions of the heating current and efficiency are deduced and validated through various experiments. Illustrative results demonstrate that the proposed RSC heater is capable of effectively realizing battery self-heating without using external devices. Particularly, a reliable tradeoff between the fast heating speed (2.67 °C/min) and high efficiency (96.4%) is obtained by using two or more parallel-connected heaters. Due to the compact size, low price, high efficiency, and good reliability, the proposed heater can be also extended to preheat batteries of unmanned aerial vehicles, robots, phones, etc.

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Crossref · 10.1109/tpel.2019.2954703

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29 of 29 references verified0 citation errors · 0 not checkable

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  • Shang et al. also proposed a compact heater based upon resonant switched capacitors powered by the on-board battery pack, leading to easy implementation and able to increase temperature up to 2.67 °C/min with high efficiency of 96.4%.

    “In [91], they also proposed a compact heater, based upon resonant switched capacitors (RSCs) that are powered by the on-board battery pack, leading to an easy implementation, which is able to increase up to 2.67 °C/min.with a high efficiency (96.4%).”

    From A Review on Electric Vehicles: Technologies and Challenges (2021) · cites this paper as [91]

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Authors
Shang, Y., Liu, K., Cui, N., Wang, N., Li, K., & Zhang, C.
Affiliations
  • Shandong University (CN)
  • University of Warwick (GB)
Venue
IEEE Transactions on Power Electronics
Published
2020-07
Volume
35
Issue
7
Pages
7134-7144
ISSN
  • 0885-8993 (ISSN-L)
  • 1941-0107
OpenAlex
W2991427988
Cited by
104
References
30
Citations by year
2026: 6 · 2025: 14 · 2024: 12 · 2023: 18 · 2022: 18 · 2021: 22 · 2020: 14
FWCI
6.16
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Power Electronics (publishedVersion)
  • Warwick Research Archive Portal (University of Warwick) (submittedVersion)
Funders
  • National Natural Science Foundation of China (U1964207, 61903223, 61821004, 61527809, U1764258)
  • Shandong Major Science and Technology Innovation (2019JZZY010416)
  • Shandong University
  • Fundamental Research Fund of Shandong University (2018JC032)
Topics
  • Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
  • Physical Sciences › Engineering › Mechanical Engineering › Induction Heating and Inverter Technology
Keywords
battery heating, low-temperature battery performance, electric vehicles, heating efficiency

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