The present disclosure belongs to the technical field of batteries, and specifically discloses a cathode material and a preparation method thereof, a lithium-ion battery, and an electrical device. The cathode material satisfies: 1.5

The present disclosure relates to the technical field of batteries, and in particular to a ternary cathode material and a preparation method thereof and a secondary battery. The above ternary cathode material includes a bulk, a first coating layer provided...

A cathode active material for lithium secondary batteries contains secondary particles which are an aggregate of primary particles, in which the cathode active material for lithium secondary batteries has a layered structure, the cathode active material fo...