Enhanced Thermal Energy Storage Performance of Polyethylene Glycol by Using Interfacial Interaction of Copper‐Based Metal Oxide
Source abstract
Abstract
Development of a polyethylene glycol (PEG) phase change material (PCM) is a popular research topic. Chemical reactions between the PEG and additive degrade the energy storage density obviously. We prepare a PEG8000/copper‐based oxide composite to solve this problem. FT‐IR results show that the molecular structure of the PEG8000 polymer does not change, thereby, indicating that no chemical reactions occur. Crystallization temperature of the composite is increased by 4.8 °C, corresponding to the formation of the hydrogen bond during the exothermic process. Crystallization fraction (Fc) of the composites is over 100% on the role of the interface effect. The present study represents an important step toward the development of composite PCMs with highly comprehensive performance.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Phase Change Materials Research · Advanced Battery Materials and Technologies · Adsorption and Cooling Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical Engineering Southwest Jiaotong University Chengdu 610031 China
School of Civil Engineering and Architecture ChongQing University of Science and Technology Chongqing 401331 China
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