Abstract: The present disclosure relates to a method of producing a protein-containing powder including: (a) providing a protein-containing raw material; (b) freezing the protein-containing raw material at ?196° C. to ?80° C.; and (c) grinding the protein-containing raw material to obtain the protein-containing powder, wherein an average particle size of the protein-containing powder is smaller than a cell size of the protein-containing raw material.

Abstract: The present invention relates to a metal oxide powder, a method of preparing the same, and a lithium secondary battery using the same, which comprises: a metal oxide powder is represented by Formula (1), Lix(M1-m-zAmDz)Ot??Formula (1) in the above Formula (1), 0.85?x?1.2, 0?m?0.01, 0<z?0.04, 1.85?t?2.2, M is selected from the group consisting of Ni, Co, Mn and combinations thereof, A is selected from the group consisting of Mg, Ca, Sr, Ba and combinations thereof, D is selected from the group consisting of Ti, Zr, Ce, Ge, Sn and combinations thereof, and E is an average oxidation number of A and D, and E>3.5.

Abstract: There are provided a cathode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The cathode active material for a lithium secondary battery includes: a compound reversibly intercalating and deintercalating lithium; and a coating layer positioned on at least a portion of a surface of the compound, wherein the coating layer is a composite coating layer containing Li3PO4 and further containing a lithium metal oxide, a metal oxide, and/or a combination thereof, the lithium metal oxide or the metal oxide containing Zr.

Abstract: The present disclosure relates to a method of producing a grain powder including: (a) immersing a grain raw material into water; (b) freezing the immersed grain raw material at ?196° C. to ?50° C.; (c) grinding the frozen grain raw material to obtain a ground product, wherein the ground product has an average particle size smaller than a cell size of the grain raw material, and (d) freeze-drying the ground product at ?80° C. to ?20° C. to obtain the grain powder.

Abstract: The present disclosure relates to a method of producing a protein-containing powder including: (a) providing a protein-containing raw material; (b) freezing the protein-containing raw material at ?196° C. to ?80° C.; and (c) grinding the protein-containing raw material to obtain the protein-containing powder, wherein an average particle size of the protein-containing powder is smaller than a cell size of the protein-containing raw material.

Abstract: The present invention relates to a metal oxide powder, a method of preparing the same, and a lithium secondary battery using the same, which comprises: a metal oxide powder is represented by Formula (1), Lix(M1-m-zAmDz)Ot??Formula (1) in the above Formula (1), 0.85?x?1.2, 0?m?0.01, 0<z?0.04, 1.85?t?2.2, M is selected from the group consisting of Ni, Co, Mn and combinations thereof, A is selected from the group consisting of Mg, Ca, Sr, Ba and combinations thereof, D is selected from the group consisting of Ti, Zr, Ce, Ge, Sn and combinations thereof, and E is an average oxidation number of A and D, and E>3.5.

Abstract: There are provided a cathode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The cathode active material for a lithium secondary battery includes: a core made of a compound reversibly intercalating and deintercalating lithium; and a coating layer positioned on at least a portion of a surface of the compound, wherein the coating layer is a composite coating layer containing Li3PO4 and LiF, and further containing a lithium metal compound, a metal oxide, a metal fluoride compound, and/or a combination thereof, and the core is doped with fluorine.

Abstract: Provided is a positive active material for a lithium secondary battery, which is a compound capable of reversible intercalation and deintercalation of lithium and having secondary particles formed by the aggregation of primary particles, wherein the size of crystal grains is between 0.0593 and 0.0610 ?m at a (003) peak in the spectrum analysis of X-ray diffraction analysis.

Abstract: There are provided a cathode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The cathode active material for a lithium secondary battery includes: a core made of a compound reversibly intercalating and deintercalating lithium; and a coating layer positioned on at least a portion of a surface of the compound, wherein the coating layer is a composite coating layer containing Li3PO4 and LiF, and further containing a lithium metal compound, a metal oxide, a metal fluoride compound, and/or a combination thereof, and the core is doped with fluorine.

Abstract: There are provided a cathode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The cathode active material for a lithium secondary battery includes: a compound reversibly intercalating and deintercalating lithium; and a coating layer positioned on at least a portion of a surface of the compound, wherein the coating layer is a composite coating layer containing Li3PO4 and further containing a lithium metal oxide, a metal oxide, and/or a combination thereof, the lithium metal oxide or the metal oxide containing Zr.