Feilong Wang, Meiling Xu, Shuyi Lin, Jian Hao, Yanchao Wang, Hong Jian Zhao, Yinwei Li
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Be2C5 Monolayer with Quasiplanar Pentacoordinate Carbon Atoms and Ultrahigh Energy Density as a Dirac Anode for Potassium-Ion Batteries
Structure prediction methods and first-principles calculations are combined to propose a Dirac anode material for potassium ion batteries, namely a thermodynamically stable Be${}_{2}$C${}_{5}$ monolayer.