Research Article

Phonon DOS-Based Machine Learning Model for Designing High-Performance Solid Electrolytes in Li-Ion Batteries

Table 1

A sample list consisting of 50 promising Li compounds with low total phonon band center (<40 meV) out of ~17 K Li compounds that have been used for prediction. Additional information regarding the stability, chemical system, crystal system, and space group is shown as well.

Systemmp-idCompositionPredicted center (meV)Stability (eV/atom)Crystal systemSpace group

Li-Smp-756086Li5BiS422.650972410.0957989225Orthorhombic
mp-766467LiCuS23.17576820.04040561625Orthorhombic
mp-1153Li2S27.29391120Cubic
mp-8430KLiS34.747914240Tetragonal
mp-30248LiMoS235.813517410.02264577313Triclinic
mp-1001786LiScS236.599397170Trigonal
mp-1195718Li4SnS436.880140760Orthorhombic
mp-867699Li4TiS438.025387590.009325313333Tetragonal
mp-30249Li4GeS432.546426190Orthorhombic
mp-1188392LiInS233.751330850Orthorhombic
mp-767516Li9Sb3S29.830875850.08155559199Monoclinic
mp-755470Li2BiS226.080570.097352Orthorhombic
mp-755470Li2BiS226.080570.097352Orthorhombic
mp-696123Li10Sn(PS6)227.614047680.0333131094Tetragonal

Li-Semp-2286Li2Se24.835851830Cubic
mp-30100Li2B2Se527.253851450Monoclinic
mp-10231LiMnSe234.993148720.09420128891Trigonal
mp-28603NaLiSe35.781879310Orthorhombic
mp-1095291Li2SnSe336.628223390Monoclinic
mp-1211446Li7PSe636.940087820Orthorhombic
mp-9250RbLiSe38.027519250Tetragonal
mp-10618LiInSe232.64806860.0813290375Trigonal
mp-15794LiYSe237.114101180Trigonal
mp-973793Li8SeN236.422671010Tetragonal

Li-Omp-28592Li7Br3O223.608907040.02552174042Tetragonal
mp-778878BaLi4O325.084190130.08632171469Orthorhombic
mp-8412LiCeO226.463223310.03886750766Monoclinic
mp-29077LiBiO327.794022230Orthorhombic
mp-1306939Li2CrO329.841345260.044340775Monoclinic
mp-1173952Li3Mn2O533.315529840.0227905305Monoclinic
mp-1211142Li5IO633.787521570Trigonal
mp-691115Li4Mn5O1234.410203850Monoclinic
mp-14495Li6ZnO437.090487670Tetragonal
mp-756664LiFeBO339.649936180.005343331111Hexagonal

Li-Se-Omp-1198324Li2B8SeO1539.320833320Monoclinic
mp-770832Li2BSeO439.954226480.05752937621Monoclinic
mp-1198324Li2B8SeO1539.320833320Monoclinic

Li-S-Omp-1020018Li5B(SO4)439.185123260.00091758125Monoclinic
mp-1020060LiB(S2O7)239.186898630Orthorhombic
mp-1020106LiB(SO4)239.194942690Monoclinic
mp-1105750LiAu(S2O7)238.231455190Triclinic
mp-768754LiBi2(SO4)341.1269710.09646661291Monoclinic
mp-765354Li2Co2(SO4)345.132861910.03155810283Orthorhombic
mp-1176804LiCo(SO4)245.059501780.07157163193Triclinic
mp-774921KLiNiO238.363380.057834Monoclinic
mp-753282Li2MnOF334.965030.033177Monoclinic

Othermp-15551Sr2LiSi326.470193830Orthorhombic
mp-982974LiBeAu231.218523230.002375858125Cubic
mp-29025Li5Br2N35.820690020.003017267559Orthorhombic
mp-1663705Li7Ni(O2F)238.078969740.09718476679Triclinic
mp-573471Li17Sn429.180060Cubic