Perovskite material, method of preparing the same, and secondary battery including the perovskite material
AssigneeSamsung Electronics Co., Ltd.
InventorsSangbok MA, Hyukjae KWON, Hyunpyo LEE, Donghwa SEO, Dongmin IM
Life of this patent
Estimating the term…
Abstract
A perovskite material represented by Formula 1: LixAyMzO3-δ Formula 1 wherein in Formula 1, 0<x≤1, 0<y≤1, 0<x+y<1, 0<z≤1.5, 0≤δ≤1, A is H, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ce, Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, or a combination thereof, and M is Ni, Pd, Pb, Fe, Ir, Co, Rh, Mn, Cr, Ru, Re, Sn, V, Ge, W, Zr, Mo, Hf, U, Nb, Th, Ta, Bi, Li, H, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ce, Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, Mg, Al, Si, Sc, Zn, Ga, Ag, Cd, In, Sb, Pt, Au, or a combination thereof.
Claims30
A perovskite material represented by Formula 1:
- LixAyMzO3-δ Formula 1
- wherein, in Formula 1, 0<x≤1, 0<y≤1, 0<x+y<1, 0<z≤1.5, and 0≤δ≤1,
- A is H, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ce, Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, or a combination thereof, and
- M is Ni, Pd, Pb, Fe, Ir, Co, Rh, Mn, Cr, Ru, Re, Sn, V, Ge, W, Zr, Mo, Hf, U, Nb, Th, Ta, Bi, Li, H, Na, K, Rb, Cs, Ca, Sr, Ba, Y, La, Ce, Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, Mg, Al, Si, Sc, Zn, Ga, Ag, Cd, In, Sb, Pt, Au, or a combination thereof.
A composite perovskite material represented by Formula 3, and having a ratio of a peak intensity at a diffraction angle 2θ of 46.5°±2.5° to a peak intensity at a diffraction angle 2θ of 32.5°±2.5° of less than 1:
- LixAyMzO3-δ Formula 3
- wherein, in Formula 3, 0<x≤1, 0<y≤1, 0<x+y<1, 0<z≤1.5, and 0≤δ≤1,
- A is H or at least one of a Group 2 to Group 16 element of the Periodic Table, and
- M is at least one of a Group 2 to Group 16 element of the Periodic Table.
Dependencies are inferred from the claim text.