Table 3.
Summary of composite PCMs for electro-thermal conversion and storage
| Functional fillers | PCMs | Melting point (°C) | Melting enthalpy (J/g) | Thermal conductivity (W/m·K) | Electrical conductivity (S/m) | Input voltage (V) | Conversion efficiency (%) | Reference |
|---|---|---|---|---|---|---|---|---|
| Graphite | Pentaerythritol | 186.6 | 292.3 | 33.5 | 323 | 0.34 | 92.7 | Li et al., 2021205 |
| Graphite foam | Paraffin | 51.0 | 209.2 | 1.38 | – | 5.0 | 74.6 | Liu et al., 2022a, 2022b, 2022c, 2022d59,60,61,62 |
| CNT | n-Eicosane | 43.0 | 217.3 | – | – | 1.3 | 74.7 | Liu et al., 2013206 |
| CNT@porous carbon | Octadecane | 31.9 | 135.9 | – | 526.3 | 1.1 | 94.5 | Li et al., 2020207 |
| Graphene | PEG10000 | 47.6 | 118.7 | – | – | 1.5 | 94.0 | Kou et al., 2021208 |
| Graphene aerogel | Paraffin | 47.8 | 193.7 | 2.99 | 2.99 | 1.5 | 50.5 | Li et al., 2016209 |
| Graphene/cellulose | PEG6000 | 67.6 | 182.6 | 1.03 | – | 10.0 | – | Wei et al., 2019210 |
| Graphene/cellulose | Paraffin | 46.7 | 147.9 | 1.42 | 3.38 | 5.0 | – | Xue et al., 2020211 |
| SiO2/carbon fiber | Paraffin | 61.2 | 183.8 | 0.73 | 4.95 | 3.0 | 82.2 | Liu et al., 2022a, 2022b, 2022c, 2022d59,60,61,62 |
| Carbon fiber | Paraffin | 39.22 | 182.2 | 0.53 | 19.6 | 3.0 | 81.1 | Umair et al., 2020212 |
| rGo/BN | PEG10000 | 59.5 | 164.1 | 1.06 | – | 7.0 | 87.9 | Yang et al., 2020a, 2020b, 2020c100,101,102 |
| MXene/porous carbon | Paraffin | 40.0 | 215.7 | – | 9.62 | 8.0 | – | Cao et al., 2022a, 2022b104,105 |
| Copper foam | PEG6000 | 63.6 | 152.5 | 0.33 | 30.81 | 2.25 | 85.6 | Xiao et al., 2021213 |