POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

• Main Authors: HIBINO, Mitsuhiro, NATSUI, Ryuichi, ESAKI, Shogo, NAKURA, Kensuke, MATSUSHITA, Junko
• Format: Patent
• Language: English; French; German
• Published: 03.01.2024
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The positive electrode active material for non-aqueous electrolyte secondary batteries which is an example of one embodiment includes a lithium-transition metal composite oxide represented by the compositional formula LixMnyNizSiaMfO2-αFα (in the formula, M is at least one element selected from Na, K, Mg, Ca, Sr, Ba, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ge, Sn, Pb, Sc, Ti, V, Cr, Fe, Co, Cu, Zn, Ru, Rh, Re, Pd, Ir, Ag, Bi, Sb, B, Al, Ga, In, P, Zr, Hf, Nb, Mo, and W, x+y+z+a+f≤2+A, 1.0<x≤1.2, 0.4≤y≤0.8, 0≤z≤0.4, 0<a≤0.03, 0≤f≤0.05, 0<α≤0.1, 0≤A≤0.03).