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A flow atomization method that is suitable for commercial preparation was employed to fabricate the monodisperse nickel/cobalt oxide composite (NCOC) hollow spheres by means of silica as the template. The prepared hollow spheres present a spinel NCOC and mesoporous shell structure with a specific surface area of 343 m2 g-1 and a mean pore size of 2.5 nm. The monodisperse NCOC hollow-sphere electrode...
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