Manganese-based compound cathode material of lithium battery and preparation method of material
A negative electrode material, lithium battery technology, applied in battery electrodes, circuits, electrical components, etc., can solve the problems of good safety and cycle life, low first-time battery efficiency, low battery cycle life, etc., and achieve good cycle stability. Conducive to the development of capacity, excellent rate performance and safety effects
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Embodiment 1
[0042] A manganese-based composite negative electrode material for a lithium battery, the manganese-based composite negative electrode material for a lithium battery is a 20nm particle, and the manganese-based composite negative electrode material for a lithium battery is a solid Mn 3 o 4 / graphene composite anode material, and Mn made of lithium-containing compound and titanium-containing compound 3 o 4 / graphene / lithium titanate nanocomposite negative electrode material, the mass ratio of described manganese-containing compound and graphene is 2:1, and the atomic ratio of lithium element and titanium element in described lithium-containing compound and titanium-containing compound is 3 :5, the solid Mn 3 o 4 The mass ratio of graphene composite anode material to titanium-containing compound is 10:1.
Embodiment 2
[0044] A manganese-based composite negative electrode material for a lithium battery, the manganese-based composite negative electrode material for a lithium battery is a 200nm particle, and the manganese-based composite negative electrode material for a lithium battery is a solid Mn 3 o 4 / graphene composite anode material, and Mn made of lithium-containing compound and titanium-containing compound 3 o 4 / graphene / lithium titanate nanocomposite negative electrode material, the mass ratio of described manganese-containing compound and graphene is 20:1, and the atomic ratio of lithium element and titanium element in described lithium-containing compound and titanium-containing compound is 5 :5, the solid Mn 3 o 4 The mass ratio of graphene composite anode material to titanium-containing compound is 100:1.
Embodiment 3
[0046] A manganese-based composite negative electrode material for a lithium battery, the manganese-based composite negative electrode material for a lithium battery is a particle of 110nm, and the manganese-based composite negative electrode material for a lithium battery is a solid Mn 3 o 4 / graphene composite anode material, and Mn made of lithium-containing compound and titanium-containing compound 3 o 4 / graphene / lithium titanate nanocomposite negative electrode material, the mass ratio of described manganese-containing compound and graphene is 11:1, and the atomic ratio of lithium element and titanium element in described lithium-containing compound and titanium-containing compound is 4 :5, the solid Mn 3 o 4 The mass ratio of / graphene composite anode material to titanium-containing compound is 55:1.
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