Advances in New and Renewable Energy >
Simulation on the Temperature of Lithium-Ion Battery during Charge-Discharge Cycling
Received date: 2014-03-20
Revised date: 2014-05-22
Online published: 2014-08-30
The heat generation for lithium-ion batteries is composed of the reversible heat caused by the electrochemical reaction and the irreversible heat due to polarization during charge-discharge cycling. The materials of cobalt acid lithium battery begin to decompose once the internal temperature of the battery reached 82oC. A series of uncontrolled chemical reactions are triggered, resulting in releasing a large amount of heat. With the aid of finite element technology, the reversible, irreversible heat and the decomposition heat are both considered in this work to simulate the internal temperature variation of lithium-ion batteries under different cooling conditions and ambient temperatures, which can provide theoretical basis to disclose the thermal runaway mechanism for this kind of battery.
SUN Qiu-juan , WANG Qing-song , PING Ping , ZHAO Xue-juan . Simulation on the Temperature of Lithium-Ion Battery during Charge-Discharge Cycling[J]. Advances in New and Renewable Energy, 2014 , 2(4) : 315 -321 . DOI: 10.3969/j.issn.2095-560X.2014.04.0012
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