公开(公告)号：US20240123458A1

公开(公告)日：2024-04-18

申请号：US18539606

申请日：2023-12-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Motohiro OKOCHI ,  Akihiro HORIKAWA ,  Toshiyuki KOJIMA

IPC: B05B7/14 ,  B05B5/025 ,  B05B17/06 ,  C08L33/08

CPC classification number: B05B7/144 ,  B05B5/0255 ,  B05B17/0607 ,  C08L33/08

Abstract: A powder layer composite includes a base and a powder layer having a thickness of 100 μm or less and disposed on the base. An average of a total value of a number of powder aggregates having a long diameter of 500 μm or greater and a number of pinholes having a long diameter of 500 μm or greater, in any of a plurality of different regions of 20 mm×20 mm on a surface of the powder layer, is 0.2 pieces/cm2 or less.

公开(公告)号：US20220278314A1

公开(公告)日：2022-09-01

申请号：US17745287

申请日：2022-05-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Motohiro OKOCHI ,  Akihiro HORIKAWA ,  Shuzo TSUCHIDA

IPC: H01M4/36 ,  H01M10/0565

Abstract: A negative electrode active substance is used for a negative electrode layer of an all-solid battery and contains a plurality of secondary particles. The plurality of secondary particles contain impregnated particles which are secondary particles having a polymer solid electrolyte region impregnated with the polymer solid electrolyte therein and an active material region.