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AA-stacked borophene–graphene bilayer as an anode material for alkali-metal ion batteries with a superhigh capacity
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作者 yi-bo liang Zhao Liu +1 位作者 Jing Wang Ying Liu 《Chinese Physics B》 SCIE EI CAS CSCD 2022年第11期431-437,共7页
As the lightest two-dimensional material,monolayer borophene exhibits great potential as electrode materials,but it suffers from stability issues in the free-standing form.Here,the striped-borophene and graphene bilay... As the lightest two-dimensional material,monolayer borophene exhibits great potential as electrode materials,but it suffers from stability issues in the free-standing form.Here,the striped-borophene and graphene bilayer(sB/Gr)is found to be a high-performance anode material for rechargeable alkali-metal ion batteries.The first-principles results show that all the three alkali-metal atoms,Li,Na,and K,can be strongly adsorbed on sB/Gr with ultra-low diffusion barriers than that on pristine borophene/graphene,indicating good charge-discharge rates.Remarkably,high storage capacities are proposed for LIBs(1880 mA·h/g),NIBs(1648 mA·h/g),and KIBs(470 m A·h/g)with relatively small lattice change rate(<2.9%)in the process of alkali-metal atoms intercalations.These intriguing features of sB/Gr make it an excellent choice for batteries. 展开更多
关键词 alkali-metal ion batteries borophene-graphene bilayer adsorption property diffusion behavior
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