Computational Electrochemistry. Voltages of Lithium-Ion Battery Cathodes
2016
Wang, Bo | Luo, Sijie | Truhlar, Donald G.
Theoretical studies on the electrode materials in lithium-ion batteries provide information on the structural changes during the charging and discharging processes. In the present study, we tested the M06-L and N12 exchange-correlation functionals on some well-studied lithium-containing materials. These functionals, which have already shown good performance for a variety of databases, outperform the widely used PBE functional for reproducing the experimental structures and averaged intercalation potentials. It is especially noteworthy that the M06-L functional gives voltages as accurate as those provided by the Heyd–Scuseria–Ernzerhof (HSE06) hybrid functional, but with less computational cost.
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