Flexible phase change composites supported by Cu-Modified carbon Felt: Enhanced Solar-to-Thermal conversion and shape memory properties

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2024-12-20 DOI:10.1016/j.cej.2024.158832

Pan Guo, Weili Gu, Junyu Lu, Keying Zhang, Fei Liu, Hongzhi Liu, Nan Sheng, Chunyu Zhu

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引用次数: 0

Abstract

The deployment of phase change materials (PCMs) presents a viable strategy for enhancing solar energy conversion and storage, providing a continuous thermal energy generation process in line with carbon neutrality objectives. Through the modification of carbon felts (CF) with polydopamine (PDA) and subsequent controlled integration of Cu nanoparticles, this study achieved the development of flexible phase change composites (FPCCs) for enhanced solar thermal energy conversion and storage, incorporating thermally-driven shape memory and spatial adaptability. Notably, the CF/PDA/Cu/PW variant demonstrated a thermal conductivity of 1.43 W m⁻¹ K⁻¹, marking a 680 % enhancement relative to pure paraffin wax (PW), with an energy storage density of 171.3 J/g. Moreover, these composites exhibited rapid responsiveness, near-complete thermal shape recovery, and maintained stable solar-to-thermal conversion efficiency and shape stability. These findings suggest the potential of these FPCCs for utilization in solar thermal energy systems, as well as in thermal management under spatial and shape constraints.

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来源期刊

Chemical Engineering Journal 工程技术-工程：化工

CiteScore

21.70

自引率

9.30%

发文量

6781

审稿时长

2.4 months

期刊介绍： The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.