公开(公告)号：US20240079564A1

公开(公告)日：2024-03-07

申请号：US18273198

申请日：2022-01-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akiko Murata ,  Hiroshi Kawada

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/366 ,  H01M4/505 ,  H01M4/525

Abstract: Provided is an active material contributing to improving the charge/discharge cycle characteristics of a battery. This active material for a non-aqueous electrolyte secondary battery includes: a core capable of reversible intercalation and deintercalation of Li; and a salt attached to the surface of the core, wherein the salt comprises an oxyfluoride represented by general formula M1OFa (2≤a≤6, M1 is at least one element selected from the group consisting of Ti, Zr, Si, P, and B).

公开(公告)号：US20230361289A1

公开(公告)日：2023-11-09

申请号：US17920150

申请日：2021-04-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hiroshi Kawada ,  Akiko Murata ,  Mitsuhiro Hibino

IPC: H01M4/505 ,  C01G53/00 ,  H01M4/525 ,  H01M4/36 ,  H01M4/485

CPC classification number: H01M4/505 ,  C01G53/54 ,  H01M4/525 ,  H01M4/366 ,  H01M4/485 ,  C01P2006/40 ,  C01P2002/52 ,  C01P2004/84 ,  H01M2004/028

Abstract: This positive electrode active material for nonaqueous electrolyte secondary batteries comprises: a lithium transition metal composite oxide which is represented by general formula LixM12−yM2yM3zOwFv (wherein 1≤x≤1.2, 0