摘要：【中文】本发明公开了核‑双壳结构复合镍钴锰三元前驱体材料及其制备方法和应用，该核‑双壳结构复合镍钴锰三元前驱体材料包括：内核、次外壳层和最外壳层，内核材料的化学式为Ni_x1Co_y1Mn_{(1‑x1‑y1)}CO₃，0＜x₁＜1，0＜y₁＜1，0＜1‑x₁‑y₁＜1；次外壳层包覆在内核至少一部分外表面上，次外壳层材料的化学式为Ni_x2Co_y2M_{(1‑x2‑y2)}(OH)₂，M为Mn和/或Al，0＜x₂＜1，0＜y₂＜1，0＜1‑x₂‑y₂＜1；最外壳层包覆在次外壳层的至少一部分外表面上，最外壳层材料为金属氢氧化物和/或金属氧化物。由此，采用该核‑双壳结构复合镍钴锰三元前驱体材料制备的正极材料而制作的单体电池，在具有高比能量的基础上可以实现长循环寿命，从而使得装载该电池的车辆具有优异的续航能力，满足消费者的使用需求。 【EN】The invention discloses a core-double shell structure composite nickel-cobalt-manganese ternary precursor material, a preparation method and application thereof, wherein the core-double shell structure composite nickel-cobalt-manganese ternary precursor material comprises the following components in parts by weight: a core, a secondary shell layer and an outermost shell layer, wherein the chemical formula of the core material is Ni_x1Co_y1Mn_{(1‑x1‑y1)}CO₃，0＜x₁＜1，0＜y₁＜1，0＜1‑x₁‑y₁Less than 1; secondary outer shell coatingOn at least a portion of the outer surface of the core, the material of the subcoating layer has the chemical formula Ni_x2Co_y2M_{(1‑x2‑y2)}(OH)₂M is Mn and/or Al, 0 < x₂＜1，0＜y₂＜1，0＜1‑x₂‑y₂Less than 1; the outermost shell layer is coated on at least one part of the outer surface of the secondary shell layer, and the outermost shell layer is made of metal hydroxide and/or metal oxide. Therefore, the single battery manufactured by adopting the anode material prepared from the core-double shell structure composite nickel-cobalt-manganese ternary precursor material can realize long cycle life on the basis of high specific energy, so that a vehicle loaded with the battery has excellent cruising ability, and the use requirement of consumers is met.