| 摘要 |
It is an object of the present invention to provide a method for producing a positive electrode active material for a battery, which can realize easy regulation of pore size in porosity formation of a positive electrode active material and is less likely to undergo hindrance of ion conduction caused by residues and, thus, can realize excellent high-rate discharge characteristics, and a method for producing a composition for a battery using the positive electrode active material for the battery. The method for producing a positive electrode active material for a battery of the present invention is a method for producing a positive electrode active material for a battery, including: a step 1 of firing a mixture of a raw material for the positive electrode active material and carbon particles to remove the carbon particles; and a step 2 of milling and classifying a fired body obtained in the step 1.
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