Thermal runaway features of large format prismatic lithium ion battery using extended volume accelerating rate calorimetry

Thermal runaway features of large format prismatic lithium ion battery using extended volume... 1 Introduction</h5> Currently, lithium ion batteries are favored by researchers as a promising power source for electric vehicles (EVs). However, some hazards of the lithium ion battery have been reported [1] . The safety problems will undermine the confidence of the consumers and obstruct the commercialization of the EVs. Thus the safety issue of the lithium ion battery merits further study.</P>The thermal runaway behaviors of lithium ion battery have been reviewed several times [2–5] . Generally, when the temperature reaches approximately 90 °C, the self heating of the cell begins due to the start of the solid electrolyte interface (SEI) decomposition. Then follows the negative active material and electrolyte reaction, positive active material and electrolyte reaction, electrolyte decomposition, negative active material and binder reaction, etc. [1–6] .</P>Accelerating rate calorimetry (ARC) is designed to study the exothermic chemical reactions by simulating an adiabatic condition [7] . Employing the ARC, some of the critical kinetic parameters, i.e. the onset temperature of the reaction and the enthalpy of the exothermic process, can be acquired. Not only has ARC been used to analyze the thermal behaviors of the components of the lithium ion battery [8–12] , but also to evaluate the thermal http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Power Sources Elsevier

Thermal runaway features of large format prismatic lithium ion battery using extended volume accelerating rate calorimetry

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Publisher
Elsevier
Copyright
Copyright © 2014 Elsevier B.V.
ISSN
0378-7753
D.O.I.
10.1016/j.jpowsour.2014.01.005
Publisher site
See Article on Publisher Site

Abstract

1 Introduction</h5> Currently, lithium ion batteries are favored by researchers as a promising power source for electric vehicles (EVs). However, some hazards of the lithium ion battery have been reported [1] . The safety problems will undermine the confidence of the consumers and obstruct the commercialization of the EVs. Thus the safety issue of the lithium ion battery merits further study.</P>The thermal runaway behaviors of lithium ion battery have been reviewed several times [2–5] . Generally, when the temperature reaches approximately 90 °C, the self heating of the cell begins due to the start of the solid electrolyte interface (SEI) decomposition. Then follows the negative active material and electrolyte reaction, positive active material and electrolyte reaction, electrolyte decomposition, negative active material and binder reaction, etc. [1–6] .</P>Accelerating rate calorimetry (ARC) is designed to study the exothermic chemical reactions by simulating an adiabatic condition [7] . Employing the ARC, some of the critical kinetic parameters, i.e. the onset temperature of the reaction and the enthalpy of the exothermic process, can be acquired. Not only has ARC been used to analyze the thermal behaviors of the components of the lithium ion battery [8–12] , but also to evaluate the thermal

Journal

Journal of Power SourcesElsevier

Published: Jun 1, 2014

References

  • Electrochem. Commun.
    Wang, Y.D.; Jiang, J.W.; Dahn, J.R.

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