电容去离子技术是一种新兴的海水淡化方法,其中电极材料对于提高脱盐效率至关重要。深入探讨了常用的电极材料,包括碳基材料、普鲁士蓝和MXenes等,归纳了这些材料在电容去离子过程中的表现。此外,分析了目前电容去离子电极材料面临的主要挑战,并展望了它们在未来海水淡化技术中的应用前景。
Capacitive deionization (CDI) is an emerging method for seawater desalination,where the electrode materials are crucial for enhancing the desalination efficiency.This article delved into commonly used electrode materials,including carbon-based materials,Prussian blue,and MXenes,and summarized their performance in the CDI process.Additionally,it analyzed the main challenges currently faced by CDI electrode materials and looked forward to their application prospects in future seawater desalination technologies.
[1] Guo J,Xu X,Hill J P,et al.Graphene-carbon 2D heterostructures with hierarchically-porous P,N-doped layered architecture for capacitive deionization[J].Chemical Science,2021,12(30):10334-10340.
[2] 高爽,刘慧敏,王美慧,等.高盐废水处理新工艺研究进展[J].现代化工,2022,42(2):68-71.
[3] 张龙玉,柴文翠,马梦瑶,等.基于功能化沸石咪唑盐骨架的电容去离子电极材料研究进展[J].化工新型材料,2021,49(12):61-66.
[4] Seo S J,Jeon H,Lee J K,et al.Investigation on removal of hardness ions by capacitive deionization (CDI) for water softening applications[J].Water Research,2010,44(7):2267-2275.
[5] Kyaw H H,Myint M T Z,Al-Harthi S,et al.Removal of heavy metal ions by capacitive deionization:effect of surface modification on ions adsorption[J].Journal of Hazardous Materials,2020,385:121565.
[6] Pastushok O,Zhao F,Ramasamy D L,et al.Nitrate removal and recovery by capacitive deionization (CDI)[J].Chemical Engineering Journal,2019,375:121943.
[7] Blair J W,Murphy G W.Electrochemical demineralization of water with porous electrodes of large surface area[J].Advances in Chemistry,1960,27:206-223.
[8] Jiang Y,Alhassan S I,Wei D,et al.A review of battery materials as CDI electrodes for desalination[J].Water,2020,12(11):3030.
[9] Yu F,Wang L,Wang Y,et al.Faradaic reactions in capacitive deionization for desalination and ion separation[J].Journal of Materials Chemistry A,2019,7(27):15999-16027.
[10] Wang C,Li Y,Qiao Y,et al.The regulation of biochar surface potential to achieve rapid capacitive deionization[J].Journal of Environmental Chemical Engineering,2023,11(6):111560.
[11] 代凯,施利毅,方建慧,等.纯化处理对碳纳米管脱盐性能的影响[J].材料科学与工程学报,2005,23(4):529-533.
[12] Liu R,Wang Y,Wu Y,et al.Controllable synthesis of nickel-cobalt-doped Prussian blue analogs for capacitive desalination[J].Electrochimica Acta,2023,442:141815.
[13] Tu X,Liu Y,Wang K,et al.Ternary-metal Prussian blue analogues as high-quality sodium ion capturing electrodes for rocking-chair capacitive deionization[J].Journal of Colloid and Interface Science,2023,642:680-690.
[14] Guo J,Wang Y,Cai Y,et al.Ni-doping Cu-Prussian blue analogue/carbon nanotubes composite (Ni-CuPBA/CNTs) with 3D electronic channel-rich network structure for capacitive deionization[J].Desalination,2022,528:115622.
[15] Wang Z,Zhuo W,Li J,et al.Regulation of ferric iron vacancy for Prussian blue analogue cathode to realize high-performance potassium ion storage[J].Nano Energy,2022,98:107243.
[16] Wang S,Pan Z,Li Z,et al.CNT/copper hexacyanoferrate:a superior faradic electrode for ammonium ion removal with stable performance and high capacity[J].Chemical Engineering Journal,2023,466:143163.
[17] Gong A,Zhao Y,Liang B,et al.Stepwise hollow Prussian blue/carbon nanotubes composite as a novel electrode material for high-performance desalination[J].Journal of Colloid and Interface Science,2022,605:432-440.
[18] Zhao Y,Liang B,Wei X,et al.A core-shell heterostructured CuFe@NiFe Prussian blue analogue as a novel electrode material for high-capacity and stable capacitive deionization[J].Journal of Materials Chemistry A,2019,7(17):10464-10474.
[19] Wang J,Wang B,Liu X,et al.Prussian blue analogs (PBA) derived porous bimetal (Mn,Fe) selenide with carbon nanotubes as anode materials for sodium and potassium ion batteries[J].Chemical Engineering Journal,2020,382:123050.
[20] Liu C,Khosrozadeh A,Ren Q Q,et al.Intercalation-pseudocapacitance hybrid anode for high rate and energy lithium-ion capacitors[J].Journal of Energy Chemistry,2021,55:459-467.
[21] Xing W,Luo K,Liang J,et al.Urchin-like core-shell tungsten oxide@carbon composite electrode for highly efficient and stable water desalination via hybrid capacitive deionization (HCDI)[J].Chemical Engineering Journal,2023,477:147268.
[22] Zhang L,Cai Y,Fang R,et al.Construction of fully coated polypyrrole oxygen-barrier film based on MXene nanosheets for high reliability capacitive deionization[J].Separation and Purification Technology,2024,337:126362.
[23] Chen Z,Xu X,Wang K,et al.Dual-confinement effect in metal oxide nanoparticles/MXene-reduced graphene oxide for high capacitive deionization performance[J].Desalination,2023,564:116733.
[24] Wang S,Li Z,Wang G,et al.Freestanding Ti3C2Tx MXene/prussian blue analogues films with superior ion uptake for efficient capacitive deionization by a dual pseudocapacitance effect[J].ACS Nano,2022,16(1):1239-1249.
基金资助
国家自然科学基金(22306176);山西省基础研究计划自然科学研究面上项目(20210302123051)
PDF
