The nonaqueous electrolyte secondary battery positive electrode

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Provided is a positive electrode for nonaqueous electrolyte secondary batteries. The positive electrode allows the batteries to operate with a limited loss of initial efficiency even if the positive electrode has been exposed to air. In an aspect of a positive electrode for nonaqueous electrolyte secondary batteries according to the present invention, the positive electrode for nonaqueous electrolyte secondary batteries contains positive electrode active material particles and a boron compound. The positive electrode active material particles are composed of a lithium transition metal oxide and a rare earth compound adhering to the surface thereof.