公开(公告)号：US20230071177A1

公开(公告)日：2023-03-09

申请号：US18055299

申请日：2022-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MAKOTO FUJINO ,  KAZUYA IWAMOTO ,  NORIYUKI UCHIDA

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/04

Abstract: A battery includes: a power generating element including a first electrode layer, a second electrode layer, and a first solid electrolyte layer located between the first electrode layer and the second electrode layer; and a reference electrode section including a second solid electrolyte layer having a first main surface in contact with a side surface of the power generating element and a second main surface opposite to the first main surface, and a reference electrode in contact with the second main surface of the second solid electrolyte layer, in which a length of the first main surface is longer than a length of the side surface in a laminating direction in the power generating element.

公开(公告)号：US20250070225A1

公开(公告)日：2025-02-27

申请号：US18946944

申请日：2024-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： NORIYUKI UCHIDA ,  EIICHI KOGA

IPC: H01M10/04

Abstract: A battery including: a battery cell including a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode; and a first pressing member in a plate shape provided above the battery cell to press the battery cell, in which the first pressing member includes a first surface in a planar shape that faces the battery cell, and a second surface in a convex shape that opposes the first surface.

公开(公告)号：US20250046963A1

公开(公告)日：2025-02-06

申请号：US18924254

申请日：2024-10-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： AKIRA KAWASE ,  NORIYUKI UCHIDA

IPC: H01M50/54 ,  H01M10/0585 ,  H01M50/211 ,  H01M50/296 ,  H01M50/51 ,  H01M50/512

Abstract: A battery according to the present disclosure includes: a power-generation element including a battery cell including an electrode layer, a counter-electrode layer, and a separator located between the electrode layer and the counter-electrode layer, and an electrode current collector laminated on the electrode layer; and a first core member, the electrode current collector includes an electrode terminal portion protruding outside the area of the electrode layer, and the electrode terminal portion is wound around the first core member.

公开(公告)号：US20240106006A1

公开(公告)日：2024-03-28

申请号：US18534638

申请日：2023-12-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： NORIYUKI UCHIDA ,  KAZUHIRO MORIOKA

IPC: H01M10/0585 ,  H01M4/80

CPC classification number: H01M10/0585 ,  H01M4/80

Abstract: A method for manufacturing a battery includes: a cutting step of forming a cut surface by cutting a laminate having a battery cell having a structure in which an electrode layer, a solid electrolyte layer, and a counter electrode layer are laminated in this order so as to collectively cut the electrode layer, the solid electrolyte layer, and the counter electrode layer; and a cleaning step of removing a deposit adhering to the cut surface, the deposit being generated by cutting the laminate in the cutting step.