Analysis of Structural Factors Affecting Thermal Runaway Propagation of Li-Ion Battery Modules

WANG Qian; LI Ding-gen; LI Wei; XU Peng

doi:10.3969/j.issn.2095-560X.2019.04.001

Advances in New and Renewable Energy >

2019 , Vol. 7 >Issue 4: 295 - 301

DOI: https://doi.org/10.3969/j.issn.2095-560X.2019.04.001

Analysis of Structural Factors Affecting Thermal Runaway Propagation of Li-Ion Battery Modules

WANG Qian ,
LI Ding-gen ,
LI Wei ,
XU Peng

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1. Huazhong University of Science and Technology, China-EU Institute for Clean and Renewable Energy, Wuhan 430074, China;
2. Huazhong University of Science and Technology, School of Energy and Power Engineering, Wuhan 430074, China;
3. Military representative room of the PLA navy plant 426 in Dalian, Dalian 116000, China

Received date: 2019-03-01

Revised date: 2019-06-09

Online published: 2019-08-29

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Abstract

In order to optimize the structure design of lithium-ion battery modules, a three-dimensional thermal runaway propagation model of cylindrical battery modules was constructed by thermal runaway numerical analysis combined with COMSOL MULTIPHYSICS software, and the thermal runaway propagation characteristics of the different arrangement structures and the gap of the battery were studied. The results showed as follows: the insert structure can effectively reduce the thermal runaway propagation rate; increasing the battery gap in the module makes the thermal runaway trigger time move backward; in the late thermal runaway of the module, the diffusion rate was accelerated.

Key words： lithium-ion battery module; thermal runaway; alignment structure; battery gap; propagation rate

Cite this article

WANG Qian , LI Ding-gen , LI Wei , XU Peng . Analysis of Structural Factors Affecting Thermal Runaway Propagation of Li-Ion Battery Modules[J]. Advances in New and Renewable Energy, 2019 , 7(4) : 295 -301 . DOI: 10.3969/j.issn.2095-560X.2019.04.001

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