公开(公告)号：US08889297B2

公开(公告)日：2014-11-18

申请号：US13738044

申请日：2013-01-10

Applicant: Korea Institute of Science and Technology

Inventor： Kyung Yoon Chung ,  Dieky Susanto ,  Won Young Chang ,  Byung Won Cho

IPC: H01M4/13 ,  H01M4/50

CPC classification number: H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/364 ,  H01M10/052

Abstract: The present disclosure relates to a nanocomposite cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery including same. More particularly, the present disclosure relates to a nanocomposite cathode active material for a lithium secondary battery including: a core including LiMn2O4; and LiMn(PO3)3 distributed on the surface of the core. In accordance with the present disclosure, the time and cost for manufacturing a lithium secondary battery can be reduced and the manufactured lithium secondary battery has superior electrochemical properties.

Abstract translation: 本发明涉及一种锂二次电池用纳米复合阴极活性物质及其制备方法，以及包含锂二次电池的锂二次电池。 更具体地，本公开涉及一种用于锂二次电池的纳米复合阴极活性材料，其包括：包含LiMn 2 O 4的核; 和分布在芯表面上的LiMn（PO3）3。 根据本公开，可以减少制造锂二次电池的时间和成本，并且制造的锂二次电池具有优异的电化学性能。