Chemical peg for energy storage

Can Peg be used as phase change materials for thermal energy applications?

The thermal properties and thermodynamic data obtained in this work would be technically necessary and important for theoretically studying and actually using PEG as phase change materials for thermal energy applications.

What is polyethylene glycol (PEG)?

Over the past years, poly (ethylene glycol) (PEG) has gained attention in the PCM field, and several new composites of PEGs have been developed for thermal energy storage purposes. PCMs are investigated at a given heating/cooling rate to evaluate their phase change temperature and enthalpy.

Is peg 6000 a potential energy storage material?

Sharma et al. (20) investigated PEG 6000 as a potential energy storage material. To simulate five consecutive years, the authors conducted 1500 thermal cycles of cooling and heating between 40 and 90 °C. The calorimetric analysis of cycled PEG 6000 showed a change in the melting temperature and enthalpy after cycling.

Does peg increase thermal conductivity?

(33) Generally, organic materials for PCM applications are known for their low thermal conductivity. Although it has not been the purpose of this study to increase the thermal conductivity, it should be noted that several studies (24,41,42) have shown that the thermal conductivity of PEG can be increased up to 0.8 W/ (m·K).

Is peg/RMS SS-CPCM a good candidate for thermal energy storage applications?

The DSC results indicated that the PEG/RMS ss-CPCM was a promising candidate for building thermal energy storage applications due to its large latent heat, suitable phase change temperature, good thermal reliability, as well as the excellent chemical compatibility and thermal stability.

What is the thermal conductivity of peg in diatomite?

TG analysis showed that the impregnated PEG into the diatomite had good thermal stability. Thermal conductivity of the composite PCM was improved by adding expanded graphite in different mass fractions. Thermal energy storage performance of the composite PCM was also tested.