Green and facile production of phase change composites supporting by carbonized rattan for thermal management

IF 7.4 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Construction and Building Materials Pub Date : 2024-11-30 DOI:10.1016/j.conbuildmat.2024.139348

Shenjie Han , Jingpeng Li , Jian Zang , Qingyun Ding , Yun Lu

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Abstract

Thermal energy management and storage are pivotal to promote economic expansion and industrial production, and the advancement of eco-friendly and convenient phase change material (PCM) production is imperative to confront the pressing issues surrounding energy sustainability. The exploration of rattan with naturally hierarchical pore structure encompassing slits, pits, vessels and sieve tubes, as a support material for the encapsulation of PCM has been investigated. Rattan stems (RS) with abundant macropores are eminently suited for the absorption of PCM. Moreover, carbonized rattan (CR), derived through the pyrolysis of RS, possesses a high proportion of micropores and mesopores, effectively preventing PCM leakage. The CR/paraffin phase change composite material (CPPM) attained a melting enthalpy of 113.50 J/g, a crystallization enthalpy of 112.50 J/g, and an encapsulation efficiency of 60.88 %. The leakage test revealed that CPPM maintained its structural integrity and demonstrated leak-proof performance. Photothermal conversion and energy storage experiments indicated that CPPM efficiently mitigated temperature fluctuations and exhibited substantial energy storage potential. Therefore, this research establishes CR as an optimal PCM multi-functional support, rendering it apt for practical applications in thermal energy management systems.

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来源期刊

Construction and Building Materials 工程技术-材料科学：综合

CiteScore

13.80

自引率

21.60%

发文量

3632

审稿时长

82 days

期刊介绍： Construction and Building Materials offers an international platform for sharing innovative and original research and development in the realm of construction and building materials, along with their practical applications in new projects and repair practices. The journal publishes a diverse array of pioneering research and application papers, detailing laboratory investigations and, to a limited extent, numerical analyses or reports on full-scale projects. Multi-part papers are discouraged. Additionally, Construction and Building Materials features comprehensive case studies and insightful review articles that contribute to new insights in the field. Our focus is on papers related to construction materials, excluding those on structural engineering, geotechnics, and unbound highway layers. Covered materials and technologies encompass cement, concrete reinforcement, bricks and mortars, additives, corrosion technology, ceramics, timber, steel, polymers, glass fibers, recycled materials, bamboo, rammed earth, non-conventional building materials, bituminous materials, and applications in railway materials.