The electrolyte-wettability at electrode material/electrolyte interface is a criticalfactor that governs the fundamental mechanisms of electrochemical reactionefficiency and kinetics of electrode materials in practica...The electrolyte-wettability at electrode material/electrolyte interface is a criticalfactor that governs the fundamental mechanisms of electrochemical reactionefficiency and kinetics of electrode materials in practical electrochemicalenergy storage. Therefore, the design and construction of electrode materialsurfaces with improved electrolyte-wettability has been demonstrated to beimportant to optimize electrochemical energy storage performance of electrodematerial. Here, we comprehensively summarize advanced strategies and keyprogresses in surface chemical modification for enhancing electrolytewettabilityof electrode materials, including polar atom doping by post treatment,introducing functional groups, grafting molecular brushes, and surfacecoating by in situ reaction. Specifically, the basic principles, characteristics,and challenges of these surface chemical strategies for improving electrolytewettabilityof electrode materials are discussed in detail. Finally, the potentialresearch directions regarding the surface chemical strategies and advancedcharacterization techniques for electrolyte-wettability in the future are provided.This review not only insights into the surface chemical strategies forimproving electrolyte-wettability of electrode materials, but also provides strategicguidance for the electrolyte-wettability modification and optimization ofelectrode materials in pursuing high-performance electrochemical energy storagedevices.展开更多
Designing and optimizing the pore structure of porous carbon electrodes is essen-tial for diverse energy storage systems.In this study,an innovative approach spray phase-inversion strategy was developed for the rapid ...Designing and optimizing the pore structure of porous carbon electrodes is essen-tial for diverse energy storage systems.In this study,an innovative approach spray phase-inversion strategy was developed for the rapid and efficient fabri-cation of controlled porous carbon aerogel.Moreover,the aggregation structure of polyacrylonitrile is controlled by adjusting the Hansen’s solubility parameter,thereby regulating the electrode material structure.Furthermore,the theoretical analysis of the spray phase-inversion process revealed that this regulation pro-cess is jointly regulated by solvent hydrodynamic diameter and phase-inversion kinetics.Through optimization,a novel porous carbon material was obtained that exhibited excellent performance as an electrode material.When utilized in supercapacitors for energy storage,it demonstrated a high specific capacitance of 373.1 F g^(-1) in a 6 M KOH electrolyte solution.Simultaneously,it has been observed that the preparation strategy for porous electrodes offers notable advan-tages in terms of excellent designability,broad universality,simplicity,and high efficiency,thereby holding promise for large-scale fabrication of diverse porous electrode materials and various types of electrodes for diverse energy storage applications.展开更多
基金supported by the Major Science andTechnology Project of Gansu Province (22ZD6GA008),the National Natural Science Foundation of China(51203071, 51363014, 51463012, 51763014, and52073133)Key Talent Project Foundation of Gansu Province,the Program for Hongliu Distinguished YoungScholars in Lanzhou University of Technology, Joint fundbetween Shenyang National Laboratory for Materials Scienceand State Key Laboratory of Advanced Processingand Recycling of Nonferrous Metals (18LHPY002)theIncubation Program of Excellent Doctoral Dissertation-Lanzhou University of Technology, and Natural ScienceFoundation of Gansu Province (No. 22JR11RM167).
文摘The electrolyte-wettability at electrode material/electrolyte interface is a criticalfactor that governs the fundamental mechanisms of electrochemical reactionefficiency and kinetics of electrode materials in practical electrochemicalenergy storage. Therefore, the design and construction of electrode materialsurfaces with improved electrolyte-wettability has been demonstrated to beimportant to optimize electrochemical energy storage performance of electrodematerial. Here, we comprehensively summarize advanced strategies and keyprogresses in surface chemical modification for enhancing electrolytewettabilityof electrode materials, including polar atom doping by post treatment,introducing functional groups, grafting molecular brushes, and surfacecoating by in situ reaction. Specifically, the basic principles, characteristics,and challenges of these surface chemical strategies for improving electrolytewettabilityof electrode materials are discussed in detail. Finally, the potentialresearch directions regarding the surface chemical strategies and advancedcharacterization techniques for electrolyte-wettability in the future are provided.This review not only insights into the surface chemical strategies forimproving electrolyte-wettability of electrode materials, but also provides strategicguidance for the electrolyte-wettability modification and optimization ofelectrode materials in pursuing high-performance electrochemical energy storagedevices.
基金National Natural Science Foundation of China,Grant/Award Numbers:51763014,52073133Shenyang National Laboratory for Materials Science+2 种基金State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals,Grant/Award Number:18LHPY002Hongliu Distinguished Young Scholars in Lanzhou University of TechnologyDepartment of Science and Technology of Gansu,Grant/Award Number:23JRRA805。
文摘Designing and optimizing the pore structure of porous carbon electrodes is essen-tial for diverse energy storage systems.In this study,an innovative approach spray phase-inversion strategy was developed for the rapid and efficient fabri-cation of controlled porous carbon aerogel.Moreover,the aggregation structure of polyacrylonitrile is controlled by adjusting the Hansen’s solubility parameter,thereby regulating the electrode material structure.Furthermore,the theoretical analysis of the spray phase-inversion process revealed that this regulation pro-cess is jointly regulated by solvent hydrodynamic diameter and phase-inversion kinetics.Through optimization,a novel porous carbon material was obtained that exhibited excellent performance as an electrode material.When utilized in supercapacitors for energy storage,it demonstrated a high specific capacitance of 373.1 F g^(-1) in a 6 M KOH electrolyte solution.Simultaneously,it has been observed that the preparation strategy for porous electrodes offers notable advan-tages in terms of excellent designability,broad universality,simplicity,and high efficiency,thereby holding promise for large-scale fabrication of diverse porous electrode materials and various types of electrodes for diverse energy storage applications.
