物理化学学报2025，Vol.41Issue(7)：75-84,10.DOI:10.1016/j.actphy.2025.100072
NCQDs修饰FeOOH基复合材料的制备及其电容脱盐性能
Efficient capacitive desalination over NCQDs decorated FeOOH composite
摘要
Abstract
Capacitive deionization(CDI)is emerging as a novel technology for seawater purification,with the electrode material playing a crucial role in desalination performance.In this study,we designed a nitrogen-doped carbon quantum dots decorated iron oxide hydroxide(NCQDs/FeOOH)composite by a facile hydrothermal strategy and investigated as the CDI cathode for desalination application.Microstructural analyses reveal that the composite features a relatively uniform nanoparticle-assembled network,hierarchical pore alignment,and abundant porosity.Electrochemical tests confirm its outstanding capacitance property and conductivity.In an initial NaCl aqueous solution of 2000 mg∙L-1 at an applied potential of 1.4 V,the GACNaCl of NCQDs/FeOOH hybrid electrode reaches 56.52 mg∙g-1,along with remarkable cycling durability.Furthermore,the CV(cyclic voltammetry)and ex situ XPS(X-ray photoelectron spectroscopy)characterizations indicate the predominantly pseudocapacitive desalination mechanism.关键词
碳量子点/羟基氧化铁/复合材料/CDI脱盐/稳定性Key words
Carbon quantum dots/FeOOH/Composite material/CDI desalination/Durability分类
化学化工引用本文复制引用
薛夷菡,韩雪,张洁,温晓茹..NCQDs修饰FeOOH基复合材料的制备及其电容脱盐性能[J].物理化学学报,2025,41(7):75-84,10.基金项目
The project was supported by the Natural Science Foundation of Inner Mongolia Autonomous Region of China(2023MS02010)and the Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region(NJYT23032).内蒙古自治区自然科学基金(2023MS02010)及内蒙古自治区高等学校青年科技英才支持计划(NJYT23032)资助项目 （2023MS02010）
