首页|Sugarcane derived carbon@CuS-octadecanol composite phase change materials for efficient solar thermal storage
Sugarcane derived carbon@CuS-octadecanol composite phase change materials for efficient solar thermal storage
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Biomass carbon has the advantage of a wide spectral absorption range,which makes it great potential for solar thermal utilization.In this study,porous skeleton support materials of sugarcane-derived carbon were prepared by freeze-drying-high-temperature carbonization method using natural sugarcane as raw material,and the characterization results demonstrate that the porous skeleton of sugarcane-derived carbon has outstanding porous support properties.By combining CuS with sugarcane-derived carbon,a porous material with outstanding photo-thermal conversion performance was synthesized.Four photo-thermal composite phase change materials(CPCMs)were prepared,the maximum loading mass of the support material C600 to the phase change materials(PCMs)reached 79.77％.The C600-CuS-OC had excellent thermal storage properties with an enthalpy of melting of 276.3 J/g and a thermal conductivity of 0.61 W·m-1·K-1.The photo-thermal conversion efficiency of C600-CuS-OC was 83.2％.Sugarcane carbon-based CPCMs are a low-cost and high-efficiency solar thermal storage material,which has great potential for applications in solar thermal storage,biomass utilization,and thermal management.
Solar energyBiomass carbonPhoto-thermal conversionThermal storageThermal managementPhase change materials
Shu-Yao Li、Ying-Jie Huo、Ting Yan、Wei-Guo Pan
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College of Energy and Mechanical Engineering,Shanghai University of Electric Power,Shanghai,200090,China
Key Laboratory of Clean Power Generation and Environmental Protection Technology in Mechanical Industry,Shanghai,200090,China
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