Described herein is a process for converting halocarbons into inorganic salts comprising a halogen, the process comprising reacting a halocarbon with a metal salt to produce the inorganic salt comprising a halogen; wherein the metal salt comprises a metal and an electronegative element selected from nitrogen, oxygen, sulfur, chlorine, selenium, bromine and iodine, or a mixture thereof; wherein the halogen of the halocarbon is more electronegative than the electronegative element of the metal salt.

Described herein is a process for converting halocarbons into inorganic salts comprising a halogen, the process comprising reacting a halocarbon with a metal salt to produce the inorganic salt comprising a halogen; wherein the metal salt comprises a metal and an electronegative element selected from nitrogen, oxygen, sulfur, chlorine, selenium, bromine and iodine, or a mixture thereof; wherein the halogen of the halocarbon is more electronegative than the electronegative element of the metal salt.

A solid electrolyte material of the present disclosure contains Li, Yb, and X. X is at least two selected from the group consisting of F, Cl, Br, and I. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

A solid electrolyte material of the present disclosure contains Li, Yb, and X. X is at least two selected from the group consisting of F, Cl, Br, and I. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

A solution phase synthesis process for preparing a rare earth perovskite, the process includes reacting an alkali metal material with a first surfactant ligand in the presence of a first solvent to obtain a first precursor complex solution; reacting a rare earth metal halide with a second surfactant ligand in the presence of a second solvent to obtain a second precursor complex solution; and reacting the first precursor complex solution with the second precursor complex solution in the presence of a third surfactant ligand and a third solvent to obtain the rare earth perovskite; wherein: the rare earth perovskite is in the form of nanocrystals; and the first solvent and third solvent comprise a non-coordinating solvent.

A solution phase synthesis process for preparing a rare earth perovskite, the process includes reacting an alkali metal material with a first surfactant ligand in the presence of a first solvent to obtain a first precursor complex solution; reacting a rare earth metal halide with a second surfactant ligand in the presence of a second solvent to obtain a second precursor complex solution; and reacting the first precursor complex solution with the second precursor complex solution in the presence of a third surfactant ligand and a third solvent to obtain the rare earth perovskite; wherein: the rare earth perovskite is in the form of nanocrystals; and the first solvent and third solvent comprise a non-coordinating solvent.

Provided is a solid electrolyte material represented by the following composition formula (1):
Li.sub.3−3d(Y.sub.1−xM.sub.x).sub.1+dX.sub.6  Formula (1) where M is an element having an ionic radius larger than that of Y; X is at least one kind of element selected from the group consisting of F, Cl, Br and I; 0<x≤1; and −0.15≤d≤0.15.

Provided is a solid electrolyte material represented by the following composition formula (1):
Li.sub.3−3d(Y.sub.1−xM.sub.x).sub.1+dX.sub.6  Formula (1) where M is an element having an ionic radius larger than that of Y; X is at least one kind of element selected from the group consisting of F, Cl, Br and I; 0<x≤1; and −0.15≤d≤0.15.

Provided is a solid electrolyte material represented by the following composition formula (1)
Li.sub.3−3δ−aY.sub.1+δ−aM.sub.aCl.sub.6−x−yBr.sub.xI.sub.y  Formula (1) where M is one or more kinds of elements selected from the group consisting of Zr, Hf, and Ti; −1<δ<2; 0<a<1.5; 0<(3−3δ−a); 0<(1+δ−a); 0≤x≤6; 0≤y≤6; and (x+y)≤6.

A solid electrolyte material for a lithium secondary battery, an electrode, and a battery, relating in particular to an additive material capable of improving rapid transmission of ions in lithium secondary battery electrodes, a preparation method therefor and application thereof, and a solid electrolyte material for a secondary battery, a preparation method therefor and application thereof, as well as an electrode, an electrolyte thin layer, and a preparation method therefor.