公开(公告)号：US20240097129A1

公开(公告)日：2024-03-21

申请号：US18274402

申请日：2022-01-24

Applicant: GS Yuasa International Ltd.

Inventor： Daisuke YOSHIKAWA ,  Motoshi SUYAMA

IPC: H01M4/58 ,  C01B25/45 ,  H01G11/30 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/5825 ,  C01B25/45 ,  H01G11/30 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  C01P2006/40

Abstract: An active material particle according to an aspect of the present invention includes an active material base material and a covering layer covering at least a part of a surface of the active material base material, in which the covering layer contains niobium atoms and phosphorus atoms, and a content of the phosphorus atoms with respect to a total content of the niobium atoms and the phosphorus atoms in the covering layer is more than 0 mol % and 80 mol % or less.

公开(公告)号：US20240088357A1

公开(公告)日：2024-03-14

申请号：US18274394

申请日：2022-01-24

Applicant: GS Yuasa International Ltd.

Inventor： Daisuke YOSHIKAWA ,  Motoshi SUYAMA

IPC: H01M4/36 ,  C01G23/00 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/366 ,  C01G23/005 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/028

Abstract: An active material particle according to an aspect of the present invention contains an active material base material and a covering layer covering at least a part of a surface of the active material base material, the covering layer contains an oxide containing lithium atoms and titanium atoms, and a molar ratio of a content of the lithium atoms to the titanium atoms in the oxide is more than 1 and 4 or less.