High performance lithium ion cathode material is a new technology of Dry media reaction multi cation doping combined with double coating, which is independently developed. That is, the structure of spinel is stabilized by multi cation doping, and then LiMn2O4 particles are separated from the electrolyte by double coating. The two pronged method makes spinel LiMn2O4 cathode material not only have high discharge capacity, but also have high cycle stability. The specific capacity of high stability and high capacity spinel LiMn2O4 cathode material is greater than 130mAh/g (0.1C), and after 2000 cycles, the specific capacity is still greater than 80% of the maximum capacity. Due to its low price (approximately 1/5-1/10 of the price of lithium cobalt oxide), it will have considerable competitiveness in power lithium-ion batteries such as electric bicycles, electric motorcycles, electric patrol vehicles, electric field vehicles, electric tools, energy storage stations, electric vehicles, and electric buses, and is expected to completely eliminate lead-acid batteries from lithium-ion batteries.

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