Potential of Carbon, Silicon, Boron Nitride and Aluminum Phosphide Nanocages as Anodes of Lithium, Sodium and Potassium Ion Batteries: A DFT Study

摘要

In this study, the potential of boron nitride (B21N21), aluminum phosphide (Al21P21), carbon (C24) and silicon (Si24) nanocages as anode electrodes of Lithium-ion (Li-ion), Sodium-ion (Na-ion) and Potassium- ion (K-ion) batteries has been investigated. The effects of halogen adoption of studied nanocages on ability of metal-ion batteries have been examined. Results show that the Al21P21 nanocage as anode electrode in metal-ion batteries has higher potential than B21N21, C24 and Si24 nanocages. It's found that the K-ion battery has higher cell voltage and higher performance than Li-ion and Na-ion batteries; the halogen adoption of studied nanocages increases the cell voltage of metal-ion batteries; the Fluorine F-doped metal-ion batteries have higher cell voltage than Chlorine Cl- and Bromine Br-doped metal-ion batteries. Finally, the F-doped Al20P21 was proposed as novel anode electrode in K-ion battery with the highest performance.