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CN110050366A 用于锂二次电池的镍活性物质前驱体、用于制备镍活性物质前驱体的方法、通过方法制备的用于锂二次电池的镍活性物质以及具有包含镍活性物质的正极的锂二次电池 有权

  • Patent Title: 用于锂二次电池的镍活性物质前驱体、用于制备镍活性物质前驱体的方法、通过方法制备的用于锂二次电池的镍活性物质以及具有包含镍活性物质的正极的锂二次电池
  • Patent Title (English): NICKEL ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING NICKEL ACTIVE MATERIAL PRECURSOR, NICKEL ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY PRODUCED BY METHOD, AND LITHIUM SECONDARY BATTERY HAVING CATHODE CONTAINING NICKEL ACTIVE MATERIAL
  • Application No.: CN201780074695.X
    Application Date: 2017-12-04
  • Publication No.: CN110050366A
    Publication Date: 2019-07-23
  • Inventor: 尹弼相 , 金珍和 , 金玄凡 , 沈载玹 , 梁祐荣
  • Applicant: 三星SDI株式会社
  • Applicant Address: 韩国京畿道龙仁市
  • Assignee: 三星SDI株式会社
  • Current Assignee: 三星SDI株式会社
  • Current Assignee Address: 韩国京畿道龙仁市
  • Agency: 北京铭硕知识产权代理有限公司
  • Agent 陈宇; 尹淑梅
  • Priority: 10-2016-0163895 2016.12.02 KR
  • International Application: PCT/KR2017/014094 2017.12.04
  • International Announcement: WO2018/101806 KO 2018.06.07
  • Date entered country: 2019-05-31
  • Main IPC: H01M4/36
  • IPC: H01M4/36 ;  H01M4/525 ;  H01M4/505 ;  C01G53/04
用于锂二次电池的镍活性物质前驱体、用于制备镍活性物质前驱体的方法、通过方法制备的用于锂二次电池的镍活性物质以及具有包含镍活性物质的正极的锂二次电池
Abstract:
公开了用于锂二次电池的镍活性物质前驱体、用于制备镍活性物质前驱体的方法、通过方法制备的用于锂二次电池的镍活性物质和具有包含镍活性物质的正极的锂二次电池，镍活性物质前驱体包括核、布置在核上的中间层和布置在中间层上的壳，其中，核、中间层和壳的孔隙率顺序地减小，并且中间层和壳具有径向布置结构。
Abstract(English):

Disclosed are a nickel active material precursor for a lithium secondary battery, a method for producing the nickel active material precursor, nickel active material for a lithium secondary battery produced by the method, and a lithium secondary battery having a cathode containing the nickel active material, the nickel active material precursor comprising a core, a middle layer arranged on the core, and a shell arranged on the middle layer, wherein the porosities of the core, middle layer and shell sequentially decrease, and the middle layer and shell have a radial arrangement structure.

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