摘要
将木材通过高温碳化的方法制备三维生物质碳基材料用于相变材料载体,制备复合相变材料,并对复合相变材料进行结构表征、性能测试及防泄漏实验。结果表明:多孔碳载体材料导热孔道网络完整,保证了有机相变材料的高效稳定负载量;相比于纯相变材料,70%PA@GNS热导系数达到了0.763W/(m·K),提高了3.18倍;含有20%多孔碳复合材料的潜热值达到了182J/g,比理论值潜热值高了约7%;并能有效防止相变材料泄漏。
In this study,a three-dimensional biomass carbon-based material was prepared by carbonization of wood at high temperature and used as phase change material(PCM)carrier to prepare composite PCMs.The structure characterization,performance test and leakage prevention experiment of the composite PCMs were carried out.The results showed that the porous carbon carrier material had a complete network of heat conduction pores,which ensured the high efficient and stable load of the organic phase change material.The thermal conductivity of 70%PA@GNS reached 0.763W/(m·K),which was 3.18 times higher than that of pure phase change material.The latent heat value of the composite PCM with 20wt%porous carbon reached 182J/g,which was about 7%higher than the theoretical latent heat value,and it could effectively prevent the leakage of phase change material.
作者
向德宁
库慧益
侯忠平
林蔚
王强伟
吴学红
Xiang Dening;Ku Huiyi;Hou Zhongping;Lin Wei;Wang Qiangwei;Wu Xuehong(Wuhan Cigarette Factory,China Tobacco Hubei Industrial Co.,Ltd.,Wuhan 430050;School of Energy and Power Engineering,Zhengzhou University of Light Industry,Zhengzhou 450000)
出处
《化工新型材料》
CAS
CSCD
北大核心
2024年第7期78-81,共4页
New Chemical Materials
基金
中原科技创新领军人才项目(234200510011)
河南省科技攻关项目(232102321089)
郑州市协同创新专项(校重大重点项目培育)(2021ZDPY0107)。
关键词
多孔碳
复合相变材料
导热系数
潜热
稳定性
porous carbon
composite phase change materials
thermal conductivity
latent heat
stability
