Application of Cellulose-Based Three-Dimensional Porous Materials in Electrochemical Energy Storage Devices
With the implementation of China's"dual carbon"strategy,the field of electrochemical energy storage technologies,including supercapacitors and lithium-ion batteries,is witnessing an exuberant surge.As the pivotal constituents of electrochemical energy storage devices,electrolytes,electrodes and membrane materials exert decisive influence on critical parameters such as energy density and cycling stability.Cellulose-based three-dimensional porous materials,encompassing hydrogels,aerogels and sponges,have garnered widespread utilizations as electrolytes,electrodes and separators in energy storage devices due to their exceptional attributes comprising elevated specific surface area,porosity,ion conductivity,and controllable doping.This scholarly discourse systematically expounded on the recent strides in the application of cellulose-based three-dimensional materials,acting as electrolytes,electrodes and separators,across diverse electrochemical energy storage devices,such as supercapacitors,lithium-ion batteries,lithium-sulfur batteries and fuel-sensitized solar cells.Moreover,it presented an exhaustive synthesis of the intricate structures of diverse cellulose-based three-dimensional composite materials,delineating facets like porosity,specific surface area,and pore volume,alongside elucidating their energy storage mechanisms and performance metrics encompassing energy density,cycling stability,and more,when harnessed within distinct electrochemical energy storage devices.Furthermore,this article proffered a visionary outlook on the challenges confronting the realms of new energy and energy storage technologies,while simultaneously illuminating the prospects for their future development,thus furnishing a cogent reference and a fount of inspiration for advancements in this domain.
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