Thermal safety studies of high energy density lithium-ion batteries under different states of charge

Shiqiang Liu; Dapeng Xu; Tianyi Ma; Zhen Wei; Chunjing Lin; Guangli Bai; Xiuling Gao; Jinjing Shen; Wenlong Huang; Fang Wang; Zhongqiang Shan

doi:10.1002/er.4918

Thermal safety studies of high energy density lithium-ion batteries under different states of charge

Shiqiang Liu, Dapeng Xu, Tianyi Ma, Zhen Wei, Chunjing Lin, Guangli Bai, Xiuling Gao, Jinjing Shen, Wenlong Huang, Fang Wang^*, Zhongqiang Shan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

The popularity of lithium-ion batteries in electric vehicles has promoted the increase of its energy density, and battery cathode and anode materials have developed rapidly in recent years. As the next generation of material systems, high-nickel-content Li-Ni-Co-Mn oxide cathode and high-silicon-content Si-C anode material systems have a high potential for further application. However, safety is a key indicator for their use in traction batteries. We thus conducted a thermal safety analysis of the pouch cells of such a system for different states of charge and revealed the key factors for the thermal safety evolution of batteries by analyzing the morphology and thermal stability of cathodes and anodes.

Original language	English
Pages (from-to)	1535-1545
Number of pages	11
Journal	International Journal of Energy Research
Volume	44
Issue number	3
DOIs	https://doi.org/10.1002/er.4918
Publication status	Published - 10 Mar 2020
Externally published	Yes

Keywords

battery safety
high-nickel-content cathode
lithium-ion batteries
silicon anode

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/er.4918

Cite this

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title = "Thermal safety studies of high energy density lithium-ion batteries under different states of charge",

abstract = "The popularity of lithium-ion batteries in electric vehicles has promoted the increase of its energy density, and battery cathode and anode materials have developed rapidly in recent years. As the next generation of material systems, high-nickel-content Li-Ni-Co-Mn oxide cathode and high-silicon-content Si-C anode material systems have a high potential for further application. However, safety is a key indicator for their use in traction batteries. We thus conducted a thermal safety analysis of the pouch cells of such a system for different states of charge and revealed the key factors for the thermal safety evolution of batteries by analyzing the morphology and thermal stability of cathodes and anodes.",

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AU - Liu, Shiqiang

AU - Xu, Dapeng

AU - Ma, Tianyi

AU - Wei, Zhen

AU - Lin, Chunjing

AU - Bai, Guangli

AU - Gao, Xiuling

AU - Shen, Jinjing

AU - Huang, Wenlong

AU - Wang, Fang

AU - Shan, Zhongqiang

PY - 2020/3/10

Y1 - 2020/3/10

N2 - The popularity of lithium-ion batteries in electric vehicles has promoted the increase of its energy density, and battery cathode and anode materials have developed rapidly in recent years. As the next generation of material systems, high-nickel-content Li-Ni-Co-Mn oxide cathode and high-silicon-content Si-C anode material systems have a high potential for further application. However, safety is a key indicator for their use in traction batteries. We thus conducted a thermal safety analysis of the pouch cells of such a system for different states of charge and revealed the key factors for the thermal safety evolution of batteries by analyzing the morphology and thermal stability of cathodes and anodes.

AB - The popularity of lithium-ion batteries in electric vehicles has promoted the increase of its energy density, and battery cathode and anode materials have developed rapidly in recent years. As the next generation of material systems, high-nickel-content Li-Ni-Co-Mn oxide cathode and high-silicon-content Si-C anode material systems have a high potential for further application. However, safety is a key indicator for their use in traction batteries. We thus conducted a thermal safety analysis of the pouch cells of such a system for different states of charge and revealed the key factors for the thermal safety evolution of batteries by analyzing the morphology and thermal stability of cathodes and anodes.

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KW - silicon anode

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ER -

Thermal safety studies of high energy density lithium-ion batteries under different states of charge

Abstract

Keywords

UN SDGs

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