Positive Electrode Active Material For Secondary Battery, Method For Preparing Same, Free Standing Film Comprising Same, Dry Positive Electrode, And Secondary Battery Comprising Dry Positive Electrode

Abstract: According to an embodiment of the present invention, provided are: a positive electrode active material, which is a positive electrode active material for a secondary battery and comprises lithium transition metal oxide particles, an amorphous carbon-based coating layer formed in the form of a film on the surfaces of the lithium transition metal oxide particles, and a carbon nanotube coating layer formed on the amorphous carbon-based coating layer; a method for preparing same; a free-standing film comprising same; a dry positive electrode; and a secondary battery comprising the dry positive electrode.

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