The specific filling material inside heat or cold packs affects heat retention efficacy.
the verdict
SUPPORTED
the evidence backs this
confidence 84/100
The choice and composition of filling materials, such as phase change materials and thermal additives, directly dictate the heat retention and transfer efficacy of thermal packs.
Evidence for · 5
Experimental Study on Thermal Management of Nano-Enhanced Phase Change Material Integrated Battery Pack
2023 · cited by 33
Paper [0] demonstrates that modifying phase change materials with various nanomaterials significantly alters the thermal performance and temperature regulation of battery packs.
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More for · 4
Battery Thermal Management System on Trapezoidal Battery Pack With Liquid Cooling System Utilizing Phase Change Material
2023 · cited by 25
Paper [1] shows that incorporating high thermal conductivity particles into paraffin wax phase change materials improves heat transfer rates and overall thermal management efficacy.
Fabrication and thermal performance of ternary fatty acid/expanded graphite form-stable composite phase change materials.
2026 · cited by 0
Paper [6] establishes that utilizing ternary fatty acid eutectics with porous matrices creates composite phase change materials with suitable latent heat and thermal conductivity for cold chain applications.
Hybrid Polymer-Inorganic Salt Hydrate Materials: Applications for Heat Storage and Beyond.
2026 · cited by 0
Paper [7] highlights how hybrid polymer-inorganic salt hydrate materials combine specific properties like high heat of fusion for advanced thermal energy storage.
Advances in Phase Change Materials for Thermal Energy Storage and Management: Challenges and Enhancement Strategies.
2026 · cited by 0
Paper [8] reviews how phase change materials and their compositions critically determine latent heat capacity and heat absorption effectiveness in thermal management systems.