Fabrication of porous boron nitride and thermally conductive inorganic phase change material composites for efficient thermal management
- Authors
- Lee, W.; Kim, J.
- Issue Date
- Jun-2023
- Publisher
- Elsevier Ltd
- Keywords
- Mechanical property; Phase change material (PCM); Polymer-matrix composites (PMCs); Thermal conductivity
- Citation
- Ceramics International, v.49, no.11, pp 18363 - 18370
- Pages
- 8
- Journal Title
- Ceramics International
- Volume
- 49
- Number
- 11
- Start Page
- 18363
- End Page
- 18370
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/67616
- DOI
- 10.1016/j.ceramint.2023.02.208
- ISSN
- 0272-8842
1873-3956
- Abstract
- A porous boron nitride (p-BN) filler network was fabricated to overcome the limitations of existing phase-change-material (PCM) composites. The novel p-BN network was prepared by freeze-casting and BN synthesis by calcination. Thermally conductive sodium acetate trihydrate (SAT) composites were fabricated by dip casting and hot-pressing using a hybrid filler system of p-BN and raw BN. The prepared SAT/p-BN/BN composite exhibited a latent heat of 112 J/g, high thermal conductivity of 4 W/mK, and 548% higher tensile stress. The SAT/p-BN/BN composites can be used to realize efficient thermal management by combining the heat saving and heat dissipation enabled by large latent heat and high thermal conductivity. In other words, the fabricated PCM composites can promote the development of battery thermal management systems. © 2023 Elsevier Ltd and Techna Group S.r.l.
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