Overview of chemical modification to enhance composite PCMs’ thermal conductivity
| Method of chemical modification | PCM | Thermal conductivity of PCMs kp W/(m·K) | Chemical processing | Composite PCMs | Thermal conductivity of composite PCM kc W/(m·K) | Improvement: % | Ref |
|---|---|---|---|---|---|---|---|
| Doping | MA-SA | 0.17 | Nitrogen-doped porous carbon | NPC/MA-SA | 0.37 | 217.65 | 203 |
| PA | 0.28 | Nitrogen doped graphene | PA/NDG | 1.73 | 617 | 204 | |
| Paraffin | 0.28 | Mesoporous carbons | Paraffin/ C-900-85 | 0.35 | 125 | 205 | |
| Graft functional groups | PEG | 0.298 | CNTs grafted MOFs | (PEG) /CNT@ MOFs | 0.464 | 200.9 | 206 |
| SA | 0.18 | MIL-101-NH2 | SA/MOFs | 0.51 | 283.3 | 207 | |
| Paraffin | 0.2312 | Grafted CNTs-C18 | Paraffin/CNTs | 0.7903 | 341.68 | 208 | |
| n-octadecane | 0.19 | Octadecyl amine grafted graphene oxide (GO-ODA) | n-octadecanemelamine formaldehyde (MF) resin/GO-ODA | 0.26 | 136.84 | 209 |
| Method of chemical modification | PCM | Thermal conductivity of PCMs kp W/(m·K) | Chemical processing | Composite PCMs | Thermal conductivity of composite PCM kc W/(m·K) | Improvement: % | Ref |
|---|---|---|---|---|---|---|---|
| Doping | MA-SA | 0.17 | Nitrogen-doped porous carbon | NPC/MA-SA | 0.37 | 217.65 | |
| PA | 0.28 | Nitrogen doped graphene | PA/NDG | 1.73 | 617 | ||
| Paraffin | 0.28 | Mesoporous carbons | Paraffin/ C-900-85 | 0.35 | 125 | ||
| Graft functional groups | PEG | 0.298 | CNTs grafted MOFs | (PEG) /CNT@ MOFs | 0.464 | 200.9 | |
| SA | 0.18 | MIL-101-NH2 | SA/MOFs | 0.51 | 283.3 | ||
| Paraffin | 0.2312 | Grafted CNTs-C18 | Paraffin/CNTs | 0.7903 | 341.68 | ||
| 0.19 | Octadecyl amine grafted graphene oxide (GO-ODA) | 0.26 | 136.84 |
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