Positive electrode active material, preparation method, positive electrode and lithium ion secondary battery

Provided are a positive electrode active material for a lithium ion secondary battery, a method of preparing the positive electrode active material, a positive electrode including the positive electrode active material and a lithium ion secondary battery including the same. The present invention relates to a positive electrode active material for a lithium ion secondary battery expressed by the following Chemical Formula 1 and containing antimony: yLi 2 MnO 3 -(1-y)LiM (1-x) Sb x O 2 (1) where M is one or more selected from the group consisting of nickel (Ni), cobalt (Co), and manganese (Mn), and 0

Keywords:

• Cobalt
• Chemical formula
• Lithium
• Inorganic chemistry
• Electrode
• Ion
• Nickel
• Manganese
• Battery (electricity)
• Chemistry
• Antimony

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