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材料导报  2024, Vol. 38 Issue (7): 22080085-5    https://doi.org/10.11896/cldb.22080085
  高分子与聚合物基复合材料 |
多层结构聚丙烯酰胺水凝胶太阳能蒸发器的制备及性能
黎涛, 孟威明, 王丁丁, 卫春祥, 鲁红典*
合肥学院能源材料与化工学院,合肥 230601
Preparation and Performance of Multi-layer Structural Polyacrylamide Hydrogel Solar-driven Evaporator
LI Tao, MENG Weiming, WANG Dingding, WEI Chunxiang, LU Hongdian*
School of Energy, Materials and Chemical Engineering, Hefei University, Hefei 230601, China
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摘要 优化设计太阳能蒸发器的结构并提高光热转换效率是改善其蒸发性能的有效途径。本工作基于原位自由基聚合反应,设计了一种多层结构的聚丙烯酰胺(PAM)复合水凝胶太阳能蒸发器并研究了其性能。该水凝胶由底部PAM/纳米纤维素(PAM/CNF)水运输层、中部PAM/碳纳米管/氮化钛(PAM/CNTs/TiN)光热转换层以及顶部“孤岛”状PAM/空心MXene微球(PAM/HSMX)构成的粗糙表面层组成。这种设计构建的PAM/CNF-PAM/CNTs/TiN-PAM/HSMX多层结构水凝胶太阳能蒸发器(ML-SVG)不仅能够提高光热转换效率,减少热量的损耗,而且促进了水分的运输,从而赋予ML-SVG优良的蒸发性能。ML-SVG在2 kW·m-2太阳光照射下的蒸发速率达到2.2 kg·m-2·h-1,同时具有优良的循环使用性能,高效的污水净化和盐水淡化性能。
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黎涛
孟威明
王丁丁
卫春祥
鲁红典
关键词:  水凝胶  聚丙烯酰胺  多层结构太阳能蒸发器  水处理    
Abstract: Optimizing the structure and enhancing photothermal conversion efficiency are effective ways to improve the performance of solar-driven eva-porator. Based on in-situ radical polymerization, a multi-layer structural polyacrylamide (PAM) hydrogel solar-driven evaporator was designed and its relevant performance was investigated. The evaporator was constructed by polyacrylamide/nanocellulose (PAM/CNF) as the water transport layer at the bottom, polyacrylamide/carbon nanotubes/titanium nitride (PAM/CNTs/TiN) as the photothermal conversion layer in the middle, and a rough surface layer of islanded polyacrylamide/hollow MXene microsphere (PAM/HSMX) on the top. As a result, the built PAM/CNF-PAM/CNTs/TiN-PAM/HSMX multi-layer structural hydrogel solar-driven evaporator (ML-SVG) can not only improve the photothermal conversion efficiency and reduce heat loss, but also promote the transportation of water, thus imparted it excellent evaporation performance. ML-SVG exhibites high evaporation rate of 2.2 kg·m-2·h-1 under 2 kW·m-2 sun irradiation, good recycling performance, and high efficient wastewater purification and saline desalination abilities.
Key words:  hydrogel    polyacrylamide    multi-layer structural solar-driven evaporator    water treatment
出版日期:  2024-04-10      发布日期:  2024-04-11
ZTFLH:  TB332  
基金资助: 安徽省自然科学基金青年项目 (2108085QB47); 安徽省高校科研重大项目 (2022AH040251)
通讯作者:  鲁红典,合肥学院能源材料与化工学院教授、硕士研究生导师。1997年安徽大学化学系化学专业本科毕业,2006年中国科学技术大学安全技术及工程专业博士毕业。目前主要从事聚合物复合材料、安全技术及工程等方面的研究工作。发表学术论文100余篇,授权中国发明专利10余项。luhdo@hfuu.edu.cn   
作者简介:  黎涛,2020年6月于安徽新华学院获得工学学士学位。现为合肥学院能源材料与化工学院硕士研究生,在鲁红典教授的指导下进行研究。目前主要研究领域为太阳能水蒸发和自愈合水凝胶。
引用本文:    
黎涛, 孟威明, 王丁丁, 卫春祥, 鲁红典. 多层结构聚丙烯酰胺水凝胶太阳能蒸发器的制备及性能[J]. 材料导报, 2024, 38(7): 22080085-5.
LI Tao, MENG Weiming, WANG Dingding, WEI Chunxiang, LU Hongdian. Preparation and Performance of Multi-layer Structural Polyacrylamide Hydrogel Solar-driven Evaporator. Materials Reports, 2024, 38(7): 22080085-5.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.22080085  或          https://www.mater-rep.com/CN/Y2024/V38/I7/22080085
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