Lithium ion battery positive active substance, anode material, anode material sizing agent, anode piece, preparation method and lithium ion battery
A positive electrode active material and lithium-ion battery technology, applied in battery electrodes, electrode carriers/current collectors, secondary batteries, etc., can solve problems such as limitations, limited conductive internal resistance, and poor conductive effects, and achieve improved Thermal stability, improved safety, and excellent thermal stability
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[0100] Example 1
[0101] A positive active material for a lithium ion battery, consisting of the following components by mass percentage: 10% lithium iron manganese phosphate and 90% lithium nickel cobalt manganate;
[0102] Among them, lithium iron manganese phosphate is LiMn 0.6 Fe 0.4 PO 4 , D50 is 20μm, specific surface area is 30m 2 / g;
[0103] Lithium nickel cobalt manganese oxide is Li(Ni 0.6 Co 0.2 Mn 0.2 )O 2 , D50 is 10μm, specific surface area is 0.3m 2 / g.
Example Embodiment
[0104] Example 2
[0105] An active material for the positive electrode of a lithium ion battery, consisting of the following components by mass percentage: 50% lithium iron manganese phosphate and 50% lithium nickel cobalt manganate;
[0106] Among them, lithium iron manganese phosphate is LiMn 0.7 Fe 0.3 PO 4 , D50 is 30μm, specific surface area is 20m 2 / g;
[0107] Lithium nickel cobalt manganese oxide is Li(Ni 0.8 Co 0.1 Mn 0.1 )O 2 , D50 is 15μm, specific surface area is 0.1m 2 / g.
Example Embodiment
[0108] Example 3
[0109] An active material for the positive electrode of a lithium ion battery, consisting of the following components by mass percentage: 30% lithium iron manganese phosphate and 70% lithium nickel cobalt manganate;
[0110] Among them, lithium iron manganese phosphate is LiMn 0.8 Fe 0.2 PO 4 , D50 is 25μm, specific surface area is 25m 2 / g;
[0111] Lithium nickel cobalt manganese oxide is Li(Ni 0.5 Co 0.2 Mn 0.3 )O 2 , D50 is 12μm, specific surface area is 0.2m 2 / g.
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