CONSPECTUS:Sodium-ion batteries(SIBs)have obtained extensive attention as desirable candidates for smart grids and large-scale energy storage systems(ESSs)because they have the conspicuous advantages of resource abund...CONSPECTUS:Sodium-ion batteries(SIBs)have obtained extensive attention as desirable candidates for smart grids and large-scale energy storage systems(ESSs)because they have the conspicuous advantages of resource abundance and competitive price.However,the biggish radius and heavier molar mass of Na^(+) and the lower negative redox potential of Na^(+)/Na give rise to low volumetric/gravimetric energy densities,sluggish reaction dynamics,and an inferior life-span.It is therefore crucial to concentrate on the development of tailored electrode materials with robust architectures and expedited Na+diffusion kinetics so as to take SIB energy systems one step closer to practical applications.展开更多
基金supported by the National Natural Science Foundation of China(52025013,52071184,52171228,21835004)the 111 Project(B12015)+1 种基金the Natural Science Foundation of Tianjin(19JCZDJC31800)the Fundamental Research Funds for the Central Universities.
文摘CONSPECTUS:Sodium-ion batteries(SIBs)have obtained extensive attention as desirable candidates for smart grids and large-scale energy storage systems(ESSs)because they have the conspicuous advantages of resource abundance and competitive price.However,the biggish radius and heavier molar mass of Na^(+) and the lower negative redox potential of Na^(+)/Na give rise to low volumetric/gravimetric energy densities,sluggish reaction dynamics,and an inferior life-span.It is therefore crucial to concentrate on the development of tailored electrode materials with robust architectures and expedited Na+diffusion kinetics so as to take SIB energy systems one step closer to practical applications.