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POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME
A positive electrode active material for a non-aqueous electrolyte secondary battery includes secondary particles of a lithium transition metal complex oxide as a main component. The main component is represented by a formula: Lit (Ni1-xCox)1-yMnyBαPβSγO2, where t, x, y, α, β, and γ satisfy inequalities of 0≦x≦1, 0.00≦y≦0.50, (1−x)·(1−y)≧y, 0.000≦α≦0.020, 0.000≦β≦0.030, 0.000≦γ≦0.030, and 1+3α+3β+2γ≦t≦1.30, and satisfy at least one of inequalities of 0.002≦α, 0.006≦β, and 0.004≦γ. The secondary particles exhibit a pore distribution, where a pore volume Vp(1) having a pore diameter of not less than 0.01 μm and not more than 0.15 μm satisfies an inequality of 0.035 cm3/g≦Vp(1) and where a pore volume Vp(2) having a pore diameter of not less than 0.01 μm and not more than 10 μm satisfies an inequality of Vp(2)≦0.450 cm3/g.
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME
A positive electrode active material for a non-aqueous electrolyte secondary battery includes secondary particles of a lithium transition metal complex oxide as a main component. The main component is represented by a formula: Lit (Ni1-xCox)1-yMnyBαPβSγO2, where t, x, y, α, β, and γ satisfy inequalities of 0≦x≦1, 0.00≦y≦0.50, (1−x)·(1−y)≧y, 0.000≦α≦0.020, 0.000≦β≦0.030, 0.000≦γ≦0.030, and 1+3α+3β+2γ≦t≦1.30, and satisfy at least one of inequalities of 0.002≦α, 0.006≦β, and 0.004≦γ. The secondary particles exhibit a pore distribution, where a pore volume Vp(1) having a pore diameter of not less than 0.01 μm and not more than 0.15 μm satisfies an inequality of 0.035 cm3/g≦Vp(1) and where a pore volume Vp(2) having a pore diameter of not less than 0.01 μm and not more than 10 μm satisfies an inequality of Vp(2)≦0.450 cm3/g.
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME
OISHI KENGO (Autor:in)
02.03.2017
Patent
Elektronische Ressource
Englisch
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