Enhanced comprehensive performance of polyethylene glycol based phase change material with hybrid graphene nanomaterials for thermal energy storage

Preparation and performance of novel form-stable composite phase change materials based on polyethylene glycol/White Carbon Black assisted by super-ultrasound-assisted

“…As compared to inorganic PCMs, such as salt hydrates and their mixtures, organic PCMs have been extensively investigated because of their cost-effectiveness, chemical and thermal stability, wide melting temperatures for convenience, as well as their moderate phase change enthalpies [16,17]. Among the various organic PCMs currently available, PEG is undoubtedly an ideal choice, attributed to its suitable phase change temperature and high latent heat storage capacity, which can be simply tuned by changing its molecular weight [18].…”

Facile synthesis of PEG based shape-stabilized phase change materials and their photo-thermal energy conversion

“…The thermal properties of the composite ought to be stable during their working period. Therefore, negligible change should occur over a large number of melting and cooling cycles [21]. In this experiment, the composite PCMs of PEG4 was chosen to test its stability of thermal performance after 1, 5, 10, 20, and 50 times thermal cycling.…”

“…A novel kind of PEG based form stable solidesolid PCMs was prepared by Chen et al [20], and this work proposed a different way to solve the problem of enthalpy reduction of traditional composite PCMs. Yang et al [21] designed a kind of high comprehensive performance PEG based composite PCMs, which graphene oxide was introduced to keep the composite shape stable and graphene nanoplatelets were used to improve the thermal conductivity and electrical conductivity. The materials processing technique of electrospinning was also utilized to enhance the PCMs [12,22,23].…”

Porosity reduction of polyethylene glycol phase change materials by using nanoscale thermal‐energy‐conducting medium during crystallization process

“…Air (0.01 W m −1 K −1 ) can then fill into these micropores, greatly increasing the bulk thermal resistance. The measured thermal conductivity of organic PCMs is only 0.1–0.3 W m −1 K −1 …”