Supercapacitors(SCs)have been considered as the most promising energy storage device due to high power density,long cycle life,and fast energy storage and efficient delivery.The excellent electrode materials of SCs ge...Supercapacitors(SCs)have been considered as the most promising energy storage device due to high power density,long cycle life,and fast energy storage and efficient delivery.The excellent electrode materials of SCs generally have based on large porous structure,excellent conductivity,and heteroatom doping for charge transfer.Among various electrode materials,biomass-derived carbon materials have received widespread attention owing to excellent performances,environmental friendliness,lowcost and renewability.Additionally,composites materials based on biomass-derived carbon and transition metalbased material can obtain more advantages of structural and performance than single component,which opens up a new way for the fabrication of high-performance SC electrode materials.Therefore,this review aims to the recent progress on the design and fabrication of biomassderived carbons/transition metal-based composites in supercapacitor application.Finally,the development trends and challenges of biomass-derived electrode materials have been discussed and prospected.展开更多
基金financially supported by the National Natural Science of China(Nos.22001156 and 21401121)General Financial Grant from the China Postdoctoral Science Foundation(No.2017M623095)Returned Personnel Science Foundation of Shaanxi Province,China(No.2018044)。
文摘Supercapacitors(SCs)have been considered as the most promising energy storage device due to high power density,long cycle life,and fast energy storage and efficient delivery.The excellent electrode materials of SCs generally have based on large porous structure,excellent conductivity,and heteroatom doping for charge transfer.Among various electrode materials,biomass-derived carbon materials have received widespread attention owing to excellent performances,environmental friendliness,lowcost and renewability.Additionally,composites materials based on biomass-derived carbon and transition metalbased material can obtain more advantages of structural and performance than single component,which opens up a new way for the fabrication of high-performance SC electrode materials.Therefore,this review aims to the recent progress on the design and fabrication of biomassderived carbons/transition metal-based composites in supercapacitor application.Finally,the development trends and challenges of biomass-derived electrode materials have been discussed and prospected.
