Analysis of Heat Dissipation and Preheating Module for Vehicle Lithium Iron Phosphate Battery
Open accessAbstract
The ambient temperature has a great influence on the discharge and charging performance of a lithium battery, which may cause thermal runaway of the battery pack in extreme cases. In terms of the poor cooling effect caused by only using the cooling bottom plate for liquid cooling and the fact that the battery pack needs to be preheated before it can be used normally, a new cooling structure design was carried out, and a variety of cooling schemes and preheating schemes were proposed for analysis and comparison. The Star ccm+ simulation software was used to analyze and study their liquid cooling performance and preheating performance under different conditions. The best cooling scheme and preheating scheme were obtained by comparing the results of the simulation analysis. The simulation results show that the cooling performance of the cooling scheme using two vertical cooling plates and one cooling bottom plate is the best, and the preheating performance is best when the preheating liquid is used with a certain temperature flow through the preheating pipe of the battery pack for a period of time, and then the battery pack is discharged until the battery pack temperature reaches the working temperature range. The research results have reference value for the control of the ambient temperature of a vehicle lithium iron phosphate battery.
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The polarization resistance is more affected by SOC than DC internal resistance.
“It can be seen from the figure that the polarization resistance is more affected by SOC than DC internal resistance [30,31].”
From The Influence of Temperature on the Capacity of Lithium Ion Batteries with Different Anodes (2021) · cites this paper as [31]
Section 2.1 mentions polarization and ohmic resistance as inputs to a battery heat-generation calculation, but does not compare how they vary with state of charge. Searches for the claimed comparison and for SOC and internal resistance found no passage addressing it. (LLM, conf=0.75)
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References 28 · Cited by 5
Research works printed but not linked: 28
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- Authors
- Zhou, S., Zhao, Y., & Gao, S.
- Affiliations
- Northeastern University (CN)
- Corresponding author
- Zhao, Yuemin
- Venue
- Energies
- Publisher
- MDPI AG
- Published
- 2021-09-28
- Volume
- 14
- Issue
- 19
- Pages
- 6196
- ISSN
- 1996-1073 (ISSN-L)
- OpenAlex
- W3203788003
- Cited by
- 5
- References
- 28
- Citations by year
- 2026: 1 · 2025: 1 · 2023: 1 · 2022: 1 · 2021: 1
- FWCI
- 0.24
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Energies (publishedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Key R&D Program of China (2017YFC0804805)
- Topics
- Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
- Physical Sciences › Engineering › Mechanical Engineering › Heat Transfer and Optimization
- Keywords
- lithium iron phosphate batteries, liquid cooling, battery preheating, heat dissipation, thermal runaway, ambient temperature effects, computational fluid dynamics
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