纺织高校基础科学学报2024，Vol.37Issue(4)：39-45,7.DOI:10.13338/j.issn.1006-8341.2024.04.005
基于废棉再生的碳微球/气凝胶光热复合材料的制备及性能
Preparation and characteristics of carbon microspheres/aerogel photothermal composites derived from waste cotton regeneration
摘要
Abstract
In view of the shortage of fresh water resources and the difficulty of high-value treatment of waste cotton fabric,carbon microspheres were prepared by hydrothermal method using waste cotton fiber as raw material,and cellulose hydrogels were prepared by dissolving cotton fibers in sodium hydroxide/urea system.Carbon microspheres were added to the hydrogels and mixed uniformly,and a regenerative cellulose aerogel-based interfacial evaporator(AER),which uses carbon microspheres as photothermal conversion material,was obtained after freeze-drying.Evaporation experiments were carried out on the materials prepared with different cellulose and carbon microsphere con-tents,respectively,to analyze the effects of parameters on the performance of AER.The results show that the water evaporation rate of AER reaches the highest of 1.58 kg·m-2·h-1 and the photothermal conversion efficiency reaches 85.85％when the mass fractions of cel-lulose and car-bon microspheres are 2％and 0.2％,respectively.关键词
废旧棉纤维/碳微球/纤维素气凝胶/海水淡化/光热转换材料Key words
waste cotton fiber/carbon microspheres/cellulose aerogel/desalination/photother-mal conversion material分类
轻工纺织引用本文复制引用
何万万,李珍珍,余灵婕,孟家光,支超..基于废棉再生的碳微球/气凝胶光热复合材料的制备及性能[J].纺织高校基础科学学报,2024,37(4):39-45,7.基金项目
国家自然科学基金项目(51903199) （51903199）
陕西省重点研发计划(2023-YBGY-490) （2023-YBGY-490）
陕西省创新能力支撑计划项目(2022KJXX-40) （2022KJXX-40）
