Computer Simulations of a Lithium-Ion Polymer Battery and Implications for Higher Capacity Next-Generation Battery Designs

2003 ◽  
Vol 150 (6) ◽  
pp. A706 ◽  
Author(s):  
Marc Doyle ◽  
Yuris Fuentes
Keyword(s):  
Computer Simulations ◽  
Lithium Ion ◽  
Next Generation ◽  
Lithium Ion Polymer Battery ◽  
Polymer Battery

scholarly journals Transient Temperature Distributions on Lithium-Ion Polymer SLI Battery

Vehicles ◽  
2019 ◽  
Vol 1 (1) ◽  
pp. 127-137 ◽  
Author(s):  
Yiqun Liu ◽  
Y. Gene Liao ◽  
Ming-Chia Lai
Keyword(s):  
Thermal Management ◽  
Thermal Model ◽  
Operating Temperature ◽  
Lithium Ion ◽  
Operating Conditions ◽  
Battery Pack ◽  
Transient Temperature ◽  
Temperature Distributions ◽  
Lithium Ion Polymer Battery ◽  
Polymer Battery

Lithium-ion polymer batteries currently are the most popular vehicle onboard electric energy storage systems ranging from the 12 V/24 V starting, lighting, and ignition (SLI) battery to the high-voltage traction battery pack in hybrid and electric vehicles. The operating temperature has a significant impact on the performance, safety, and cycle lifetime of lithium-ion batteries. It is essential to quantify the heat generation and temperature distribution of a battery cell, module, and pack during different operating conditions. In this paper, the transient temperature distributions across a battery module consisting of four series-connected lithium-ion polymer battery cells are measured under various charging and discharging currents. A battery thermal model, correlated with the experimental data, is built in the module-level in the ANSYS/Fluent platform. This validated module thermal model is then extended to a pack thermal model which contains four parallel-connected modules. The temperature distributions on the battery pack model are simulated under 40 A, 60 A, and 80 A constant discharge currents. An air-cool thermal management system is integrated with the battery pack model to ensure the operating temperature and temperature gradient within the optimal range. This paper could provide thermal management design guideline for the lithium-ion polymer battery pack.

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