CPC H01M 4/62 (2013.01) [H01M 4/131 (2013.01); H01M 4/366 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 2004/028 (2013.01); H01M 2300/008 (2013.01); H01M 2300/0071 (2013.01); H01M 2300/0094 (2013.01)] | 7 Claims |
1. A positive electrode material, comprising:
particles of a positive electrode active material;
a coating layer surrounding a surface of the particles of the positive electrode active material, and comprising an oxide solid electrolyte; and
particles of a first solid electrolyte material located on a surface of the particles of the coated positive electrode active material, wherein
the first solid electrolyte material is represented by the composition formula LiαMβXγ,
where
2.7≤α≤3,
1≤β≤1.1,
γ=6,
2≤γ/α≤2.22,
M is at least one kind selected from the group consisting of B, Si, Ge, As, Sb, Te, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Hg, Al, Ga, Tl, Sn, Pb, and Bi, and
X is at least one kind selected from the group consisting of Cl, Br, and I.
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