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Experimentally exploring thermal runaway propagation and prevention in the prismatic lithium-ion battery with different connections.

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Title: Experimentally exploring thermal runaway propagation and prevention in the prismatic lithium-ion battery with different connections.
Authors: Zhou, Zhizuan1,2 (AUTHOR), Zhou, Xiaodong1 (AUTHOR), Wang, Boxuan1 (AUTHOR), Liew, K.M.1,2 (AUTHOR) kmliew@cityu.edu.hk, Yang, Lizhong1 (AUTHOR) yanglz@ustc.edu.cn
Source: Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B. Aug2022, Vol. 164, p517-527. 11p.
Subject Terms: *Thermal insulation, Lithium-ion batteries, Exothermic reactions, Heat flux, Heat transfer, Aerogels
Abstract: Thermal runaway (TR) propagation is a critical challenge in the safety application of lithium-ion batteries (LIBs). In this study, the battery modules with different connection modes are designed to reveal TR propagation mechanisms, and a passive strategy based on thermal insulation is proposed to inhibit TR propagation. The temperature, voltage, heat transfer of battery module, as well as the equivalent flux power during TR propagation are captured and analyzed. The batteries in parallel experience fiercer combustion and propagation in comparison with the batteries without connection, which is because the parallel connection mode intensifies the exothermic reactions inside the battery. Particularly, the energy from the former battery contributes to the dominant heat source for triggering TR of its adjacent battery, accounting for 52 %− 67 %. Compared to the module without connection, the module in parallel releases much higher heat flux to adjacent batteries, leading to shorter TR propagation time and severer TR propagation. Furthermore, the aerogel can completely prevent TR propagations with different connection modes. The average flux power of the former battery to its neighboring battery can be reduced from 400 W to 35 W by inserting aerogel. The results provide new insights into TR propagation mechanism and its prevention, which are beneficial to the safety design of battery modules. • Thermal runaway propagation and its prevention of batteries in parallel are studied. • The causes of fierce thermal runaway propagation in parallel batteries are revealed. • Thermal runaway propagation can be successfully prevented by thermal insulation. • The heat transfer and the equivalent flux power between batteries are quantified. [ABSTRACT FROM AUTHOR]
Copyright of Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: GreenFILE
An: 158039232
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Experimentally exploring thermal runaway propagation and prevention in the prismatic lithium-ion battery with different connections.
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  Data: <searchLink fieldCode="AR" term="%22Zhou%2C+Zhizuan%22">Zhou, Zhizuan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Xiaodong%22">Zhou, Xiaodong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Boxuan%22">Wang, Boxuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liew%2C+K%2EM%2E%22">Liew, K.M.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> kmliew@cityu.edu.hk</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Lizhong%22">Yang, Lizhong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yanglz@ustc.edu.cn</i>
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  Label: Subject Terms
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  Data: *<searchLink fieldCode="DE" term="%22Thermal+insulation%22">Thermal insulation</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Exothermic+reactions%22">Exothermic reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+flux%22">Heat flux</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Aerogels%22">Aerogels</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Thermal runaway (TR) propagation is a critical challenge in the safety application of lithium-ion batteries (LIBs). In this study, the battery modules with different connection modes are designed to reveal TR propagation mechanisms, and a passive strategy based on thermal insulation is proposed to inhibit TR propagation. The temperature, voltage, heat transfer of battery module, as well as the equivalent flux power during TR propagation are captured and analyzed. The batteries in parallel experience fiercer combustion and propagation in comparison with the batteries without connection, which is because the parallel connection mode intensifies the exothermic reactions inside the battery. Particularly, the energy from the former battery contributes to the dominant heat source for triggering TR of its adjacent battery, accounting for 52 %− 67 %. Compared to the module without connection, the module in parallel releases much higher heat flux to adjacent batteries, leading to shorter TR propagation time and severer TR propagation. Furthermore, the aerogel can completely prevent TR propagations with different connection modes. The average flux power of the former battery to its neighboring battery can be reduced from 400 W to 35 W by inserting aerogel. The results provide new insights into TR propagation mechanism and its prevention, which are beneficial to the safety design of battery modules. • Thermal runaway propagation and its prevention of batteries in parallel are studied. • The causes of fierce thermal runaway propagation in parallel batteries are revealed. • Thermal runaway propagation can be successfully prevented by thermal insulation. • The heat transfer and the equivalent flux power between batteries are quantified. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.psep.2022.06.048
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 517
    Subjects:
      – SubjectFull: Thermal insulation
        Type: general
      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Exothermic reactions
        Type: general
      – SubjectFull: Heat flux
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Aerogels
        Type: general
    Titles:
      – TitleFull: Experimentally exploring thermal runaway propagation and prevention in the prismatic lithium-ion battery with different connections.
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            NameFull: Zhou, Zhizuan
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            NameFull: Zhou, Xiaodong
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            NameFull: Wang, Boxuan
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            NameFull: Liew, K.M.
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            NameFull: Yang, Lizhong
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            – D: 01
              M: 08
              Text: Aug2022
              Type: published
              Y: 2022
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              Value: 164
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            – TitleFull: Process Safety & Environmental Protection: Transactions of the Institution of Chemical Engineers Part B
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