公开(公告)号：US20240222631A1

公开(公告)日：2024-07-04

申请号：US18400003

申请日：2023-12-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungjin Lim ,  Hwiyeol Park ,  Jonghoon Ka ,  Taeyoung Kim ,  Heungchan Lee

IPC: H01M4/62 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0562

CPC classification number: H01M4/62 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0562 ,  H01M2004/028

Abstract: A cathode including a cathode active material layer including a composite cathode active material particle including a core, and a coating layer disposed on at least a portion of the core, wherein the core includes a lithium transition metal oxide, and the coating layer includes a first solid electrolyte, wherein the first solid electrolyte is a halogen-containing oxide solid electrolyte, and a matrix comprising a second solid electrolyte, wherein the second solid electrolyte is a halogen-free oxide solid electrolyte, and wherein the composite cathode active material particle is disposed in the second solid electrolyte, and wherein the first solid electrolyte and the second solid electrolyte each comprise silicon and boron.

公开(公告)号：US20230399239A1

公开(公告)日：2023-12-14

申请号：US18250026

申请日：2021-06-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungjin Lim ,  Sangbok Ma ,  Jonghoon Ka ,  Taeyoung Kim ,  Youngjoon Bae

IPC: C01G53/00 ,  H01M10/0525

CPC classification number: C01G53/006 ,  H01M10/0525 ,  C01P2006/40 ,  C01P2002/72 ,  C01P2002/74

Abstract: An electrode active material including a compound represented by Formula 1:


Lix(Ni1-yMy)z(P2O7)4  



wherein in Formula 1, 5≤x≤7, 0.2≤y