摘要:
A composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes: a core including a first lithium transition metal oxide represented by Formula 1, LiaMO2 wherein, in Formula 1, M includes Ni and at least one non-nickel Group 4 to Group 13 element, a content of Ni is about 70 mol % or greater, based on a total content of M, 0.9≤a≤1.1, and wherein the first lithium transition metal oxide has a layered crystal structure belonging to an R3m space group; and a shell on a surface of the core, the shell having a spinel crystal structure and including a dopant.
摘要:
A composite cathode active material including: a lithium composite oxide; a metal phosphate represented by Formula 1, preparation methods thereof, a cathode and a lithium battery. MxPyOz Formula 1 wherein, in Formula 1, M is vanadium, niobium, tantalum, or a combination thereof, 1≦y/x≦1.33, and 4≦z/y≦5.
摘要翻译:一种复合阴极活性材料,包括:锂复合氧化物; 由式1表示的金属磷酸盐,其制备方法,阴极和锂电池。 式1其中,在式1中,M是钒,铌,钽或它们的组合,1≦̸ y / x≦̸ 1.33和4< lE; z / y≦̸ 5。
摘要:
A composite cathode active material, a cathode and a lithium battery each including the composite cathode active material, and a method of manufacturing the composite cathode active material. The composite cathode active material includes a core including a plurality of primary particles, and a shell disposed on the core, wherein a primary particle of the plurality of primary particles includes a lithium nickel transition metal oxide, the shell includes a first composition and a second composition, wherein the first composition contains a first metal and the second composition contains a second metal, wherein the first metal includes a metal of Groups 2, 4, 5, and 7 to 15, the second metal includes a metal of Group 3, and the first composition includes a first phase and the second composition includes a second phase that is distinguishable from the first phase.
摘要:
A composite cathode active material includes a secondary particle; and a coating on a surface of the secondary particle, wherein the secondary particle comprises a plurality of primary particles, and the plurality of primary particles include a lithium nickel transition metal oxide having a layered crystal structure; and a grain boundary between primary particles of the plurality of primary particles, the grain boundary including a lithium metal oxide having a crystal structure different from the lithium nickel transition metal oxide having a layered crystal structure, wherein the coating on the surface of the secondary particle includes a metal oxide including cobalt, and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.
摘要:
A composite cathode active material for a lithium battery, the composite cathode active material including: a lithium composite oxide; and a coating layer disposed on at least a portion of the lithium composite oxide and including a composite including ZrP2O7 and LiZr2(PO4)3, wherein the composite including ZrP2O7 and LiZr2(PO4)3 is a reaction product of an acid treated a zirconium precursor, a phosphorus precursor, and the lithium composite oxide.
摘要:
A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
摘要:
A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.
摘要:
A composite cathode active material including: a secondary particle including a plurality of primary particles including a lithium transition metal oxide having a layered crystal structure; and a coating layer disposed on a surface of the secondary particle and between the primary particles of the plurality of primary particles, wherein the coating layer includes a lithium cobalt composite oxide having a spinel crystal structure, and wherein the lithium cobalt composite oxide includes cobalt (Co) and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.
摘要:
A composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes: a core including a first lithium transition metal oxide represented by Formula 1, LiaMO2 wherein, in Formula 1, M includes Ni and at least one non-nickel Group 4 to Group 13 element, a content of Ni is about 70 mol % or greater, based on a total content of M, 0.9≤a≤1.1, and wherein the first lithium transition metal oxide has a layered crystal structure belonging to an R3m space group; and a shell on a surface of the core, the shell having a spinel crystal structure and including a dopant.
摘要:
A composite cathode active material, includes a first metal oxide having a first layered crystal structure; and a second metal oxide having a second layered crystal structure, wherein the second metal oxide includes a layered double oxide (LDO). Also a cathode and a lithium battery including the composite cathode active material.