Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1-x-y-z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025,??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder (220).

Abstract: An elastic microcell surface structure for an elastomer body with an outer film adhered and to a method for manufacturing the same, wherein the elastomer body includes a solid uneven structure formed of protruding portions and recess portions formed in its surface, and the outer film includes a zigzag uneven structure in a manner of being tightly wrapped around the protruding portions and recess portions of the solid uneven structure of the elastomer body.

Abstract: An elastic microcell surface structure for an elastomer body with an outer film adhered and to a method for manufacturing the same, wherein the elastomer body includes a solid uneven structure formed of protruding portions and recess portions formed in its surface, and the outer film includes a zigzag uneven structure in a manner of being tightly wrapped around the protruding portions and recess portions of the solid uneven structure of the elastomer body.