ArticleScientific reports2025
Enhanced passive thermal management of lithium-ion batteries with conical cylindrical chamber incorporating various phase change materials.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Cross-attention-based hybrid feature fusion network for state-of-health estimation of lithium-ion batteries.Scientific reports · 2026Article
- CFD investigation of PCM/PMMA enhanced CMUs with dual hollow sections for improved thermal performance in cold and freezing climates.Scientific reports · 2026Article
- Maintaining a 2170 lithium-ion battery's operating temperature in freezing climates using preheating and an alumina foam PCM structure.Scientific reports · 2026Article
- A numerical framework for an electrically-charged PCM brick to reduce winter peak heating demand.Scientific reports · 2025Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
The effective thermal management of Lithium-Ion Batteries (LIBs) is essential for ensuring safety, extending cycle life, and maintaining performance in electric vehicle applications. Among various approaches, passive battery thermal management systems (PBTMS) using phase change materials (PCMs) provide a cost-effective and reliable solution compared to conventional active cooling. This study proposes a novel conical cylindrical chamber (CCC) design for PCM encapsulation and evaluates its impact on LIB temperature regulation. A three-dimensional Computational fluid dynamics (CFD) model based on the enthalpy-porosity method was developed to simulate coupled heat transfer and phase change phenomena under dynamic discharge conditions. The effects of chamber geometry (top and bottom radii), different PCM types, and discharge rates (1-3 C) were systematically investigated. Results show that chamber configuration strongly influences PCM melting efficiency and battery thermal response. For example, the optimized CCC geometry reduced peak battery temperature by nearly 30 °C compared to less efficient designs, while poorly configured chambers left up to 38% of the PCM unmelted at end of discharge. The study demonstrates that balancing CCC surface area and PCM volume is critical for maximizing heat absorption, minimizing thermal gradients, and enhancing passive cooling. These findings provide design guidelines for next-generation passive thermal management systems in LIB applications.
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