Sodium-ion battery(SIB)is an ideal candidate for large-scale energy storage due to high abundant sodium sources,relatively high energy density,and potentially low *** carbons,as one of the most promising anodes,could ...
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Sodium-ion battery(SIB)is an ideal candidate for large-scale energy storage due to high abundant sodium sources,relatively high energy density,and potentially low *** carbons,as one of the most promising anodes,could deliver high plateau capacities at low potentials,which boosts the energy densities of *** slope capacities have been demonstrated from the defect adsorption of sodium ions,while the plateau capacity depends highly on intercalation and pore ***,the specific structures of sodium ions stored in hard carbons have not been clarified,namely active sites of adsorption,intercalation,and pore-filling ***,delicate synthesis methods are required to prepare hard carbons with controllable specific structures,along with elucidating the precise active sites for enhancing the Na-ion storage *** offer databases for future designs,we summarized the synthesis strategies of hard carbon anodes for constructing active sites of plateau *** methods were highlighted with corresponding influences on the meticulous structures of hard carbons and Na-ion storage *** but not least,perspectives were proposed for developing hard carbon anodes from the points of research and practical applications.
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