公开(公告)号：US20220263205A1

公开(公告)日：2022-08-18

申请号：US17661711

申请日：2022-05-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE ITO ,  EIICHI KOGA

IPC: H01M50/553

Abstract: A battery of the present disclosure includes: a power generation element that includes a positive electrode layer, a negative electrode layer, and an electrolyte layer which are laminated; and a support that supports the power generation element. The power generation element includes: a first plane that is a plane parallel to a laminating direction of the positive electrode layer, the negative electrode layer, and the electrolyte layer; and a second plane that is a plane perpendicular to the laminating direction, and the support includes: a first support body that is in contact with the first plane; and a second support body that includes a bent part which applies an elastic force to the power generation element in a direction perpendicular to the second plane.

公开(公告)号：US20240105989A1

公开(公告)日：2024-03-28

申请号：US18534635

申请日：2023-12-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE ITO

IPC: H01M10/0562 ,  H01M10/052 ,  H01M10/058

CPC classification number: H01M10/0562 ,  H01M10/052 ,  H01M10/058

Abstract: A battery includes: a positive electrode layer having a positive electrode active material layer containing a positive electrode active material containing a lithium element; a negative electrode layer; a solid electrolyte layer located between the positive electrode layer and the negative electrode layer; and a reference electrode, at least a portion of the reference electrode being embedded in the solid electrolyte layer, in which the reference electrode has a metal member constituting at least part of the portion of the reference electrode embedded in the solid electrolyte layer and containing a metal which does not alloy with lithium.

公开(公告)号：US20240120472A1

公开(公告)日：2024-04-11

申请号：US18542605

申请日：2023-12-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUJI ITO ,  TADAAKI MATSUMURA ,  YUSUKE ITO

IPC: H01M4/38 ,  H01M4/04 ,  H01M4/62 ,  H01M4/66 ,  H01M10/052 ,  H01M10/0562

CPC classification number: H01M4/386 ,  H01M4/0404 ,  H01M4/0421 ,  H01M4/626 ,  H01M4/661 ,  H01M10/052 ,  H01M10/0562 ,  H01M2004/027

Abstract: A battery includes a positive electrode, a negative electrode, and an electrolyte layer located between the positive electrode and the negative electrode. The negative electrode includes a negative electrode current collector and a negative electrode active material layer located between the negative electrode current collector and the electrolyte layer. The negative electrode active material layer includes a plurality of columnar bodies. The columnar bodies include silicon and a filler including nickel. The filler is embedded in the columnar bodies.

公开(公告)号：US20240047648A1

公开(公告)日：2024-02-08

申请号：US18487160

申请日：2023-10-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE ITO ,  SHUJI ITO ,  TADAAKI MATSUMURA

IPC: H01M4/134 ,  H01M4/38 ,  H01M4/66 ,  H01M10/0562 ,  H01M10/0585 ,  H01M4/1395 ,  H01M4/04

CPC classification number: H01M4/134 ,  H01M4/386 ,  H01M4/661 ,  H01M10/0562 ,  H01M10/0585 ,  H01M4/1395 ,  H01M4/0404 ,  H01M4/0471 ,  H01M2004/027

Abstract: A battery according to an aspect of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer located between the positive electrode and the negative electrode. The negative electrode includes a negative electrode current collector and a negative electrode active material layer located between the negative electrode current collector and the electrolyte layer. The negative electrode active material layer has a plurality of columnar bodies containing silicon as a primary component. Young's modulus of the negative electrode active material layer is less than or equal to 25 GPa.