公开(公告)号：EP4273959A1

公开(公告)日：2023-11-08

申请号：EP22776101.2

申请日：2022-03-23

申请人： Lg Chem, Ltd.

发明人： JUN, Tae Hwan ,  JUNG, Hae Jong ,  KIM, Gyun Joong ,  OH, Myoung Hwan

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/62 ,  H01M10/052 ,  C01G53/00

摘要： The present invention aims at providing a high-nickel positive electrode active material in which stability and initial capacity are improved and crack generation at an interface between primary particles is also suppressed, a preparation method thereof, and a positive electrode and a lithium secondary battery which include the positive electrode active material.
Also, the present invention aims at providing a high-nickel positive electrode active material in which a washing process may be omitted by reducing an amount of lithium impurities, a preparation method thereof, and a positive electrode and a lithium secondary battery which include the positive electrode active material.

公开(公告)号：EP3800228A1

公开(公告)日：2021-04-07

申请号：EP19820201.2

申请日：2019-06-12

申请人： LG CHEM, LTD.

发明人： KWAK, Ji Won ,  CHOI, Kook Hyun ,  YU, Mi Lim ,  KIM, Dong Hwan ,  JUNG, Hae Jong

IPC分类号： C09K3/10

摘要： An encapsulating composition and an organic electronic device comprising the same, and the encapsulating composition which is capable of effectively blocking moisture or oxygen penetrating into the organic electronic device from the outside to secure the lifetime of the organic electronic device, implementing a top-emitting organic electronic device, being applied in an inkjet method, and providing a thin display.