公开(公告)号：US20240088348A1

公开(公告)日：2024-03-14

申请号：US18518949

申请日：2023-11-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUHIRO MORIOKA ,  KOICHI HIRANO ,  AKIRA KAWASE

IPC: H01M4/13 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585

CPC classification number: H01M4/13 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585

Abstract: A battery includes: a power generation element having a structure in which battery cells are laminated, each of the battery cells including an electrode layer, a counter electrode layer, and a solid electrolyte layer located between the electrode layer and the counter electrode layer. The power generation element includes a first pair of side surfaces facing each other, and a second pair of side surfaces facing each other and different from the first pair of side surfaces. At least one of the battery cells is provided with a recess where the solid electrolyte layer is receded with respect to the electrode layer and the counter electrode layer on each of the first pair of side surfaces. Surface roughness Rz2 of each of the second pair of side surfaces is smaller than surface roughness Rz1 of each of the first pair of side surfaces.

公开(公告)号：US20230307717A1

公开(公告)日：2023-09-28

申请号：US18325021

申请日：2023-05-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M10/0587 ,  H01M10/0525 ,  H01M50/103 ,  H01M50/593 ,  H01M50/553

CPC classification number: H01M10/0587 ,  H01M10/0525 ,  H01M50/103 ,  H01M50/593 ,  H01M50/553

Abstract: A battery includes an electrode layer, a counter-electrode layer placed opposite to the electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer. The electrode layer includes an electrode collector, an electrode active material layer located between the electrode collector and the solid electrolyte layer, and an electrode-side insulating layer located between the electrode collector and the electrode active material layer at ends of the electrode layer. The counter-electrode layer includes a counter-electrode collector, a counter-electrode active material layer located between the counter-electrode collector and the solid electrolyte layer, and a counter-electrode-side insulating layer located between the counter-electrode collector and the counter-electrode active material layer at ends of the counter-electrode layer. In a plan view, the electrode-side insulating layer is greater in length than the counter-electrode-side insulating layer in a direction from an outer periphery toward a central part of the battery.

公开(公告)号：US20230064131A1

公开(公告)日：2023-03-02

申请号：US18046166

申请日：2022-10-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKAAKI TAMURA ,  KAZUHIRO MORIOKA ,  SEIJI NISHIYAMA ,  AKIRA KAWASE

IPC: H01M10/0585 ,  H01M10/0525 ,  H01M50/414

Abstract: A battery includes a power-generating element having at least one unit cell including an electrode layer, a counter-electrode layer, and an electrolyte layer located between the electrode layer and the counter-electrode layer and an insulating member covering the power-generating element. The insulating member includes a first member that includes a first principal surface covering portion covering a first principal surface of the power-generating element and a second member, joined to the first member, that includes a second principal surface covering portion covering a second principal surface of the power-generating element opposite to the first principal surface. A junction between the first member and the second member overlaps a side surface of the power-generating element when seen from a direction perpendicular to the side surface. An elastic modulus of the first member is higher than an elastic modulus of the second member.

公开(公告)号：US20220416376A1

公开(公告)日：2022-12-29

申请号：US17901870

申请日：2022-09-02

Applicant: Panasonic Intellectual Property Management Co., Ltd

Inventor： KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M50/564 ,  H01M50/528 ,  H01M10/0585

Abstract: A battery according to the present disclosure includes: a power generating element including a first electrode, a second electrode, and an electrolyte layer between the first electrode and the second electrode; and a first extraction electrode. The first electrode includes a first current collector and a first active material layer between the first current collector and the electrolyte layer. The first extraction electrode includes: a first conductive member connected to a first surface of the first current collector, the first surface being opposite to the first active material layer; and a first lead connected to the first conductive member.

公开(公告)号：US20210296704A1

公开(公告)日：2021-09-23

申请号：US17341456

申请日：2021-06-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M10/0585 ,  H01M4/62 ,  H01M10/0525 ,  H01M50/193

Abstract: An all solid state includes: an electrode layer; a solid electrolyte layer containing a solid electrolyte; and a sealing layer containing a sealing material. At least one selected from the electrode layer and the solid electrolyte layer contains a binder, and a glass transition temperature of the sealing material is higher than a glass transition temperature of the binder.

公开(公告)号：US20250030136A1

公开(公告)日：2025-01-23

申请号：US18905146

申请日：2024-10-03

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOICHI HIRANO ,  KAZUYOSHI HONDA ,  KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M50/54 ,  H01M50/536

Abstract: A battery of the present disclosure includes: a power-generation element including a plurality of laminated battery cells connected electrically in parallel, each battery cell including an electrode layer, a counter-electrode layer, and a solid electrolyte layer; and a first connection member connected to a side surface of the power-generation element, the first connection member includes a first base material having a first surface facing the side surface and a first conductive member located on the first surface and electrically connected to the electrode layers, and one or more first insulating members are located so as to cover the counter-electrode layers on the side surface.

公开(公告)号：US20240266610A1

公开(公告)日：2024-08-08

申请号：US18638739

申请日：2024-04-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUYOSHI HONDA ,  AKIRA KAWASE ,  KAZUHIRO MORIOKA ,  EIICHI KOGA ,  KOICHI HIRANO

IPC: H01M10/0585 ,  H01M10/052

CPC classification number: H01M10/0585 ,  H01M10/052

Abstract: A battery includes: a power generation element including a plurality of battery cells each having an electrode layer, a counter electrode layer, and a solid electrolyte layer located between the electrode layer and the counter electrode layer, the plurality of battery cells being laminated while being connected in parallel; an electrode insulating member; and a counter electrode conductive member, in which each of the plurality of battery cells is provided with a through hole penetrating in a direction of lamination, the electrode insulating member covers the electrode layer of each of the plurality of battery cells on an inner wall of the through hole of each of the plurality of battery cells, and the counter electrode conductive member is connected to the counter electrode layer of each of the plurality of battery cells on the inner wall of the through hole of each of the plurality of battery cells.

公开(公告)号：US20240213629A1

公开(公告)日：2024-06-27

申请号：US18601342

申请日：2024-03-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUYOSHI HONDA ,  KOICHI HIRANO ,  EIICHI KOGA ,  KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M50/528 ,  H01M4/04 ,  H01M4/70 ,  H01M10/0562

CPC classification number: H01M50/528 ,  H01M4/0404 ,  H01M4/0407 ,  H01M4/70 ,  H01M10/0562 ,  H01M2300/0068

Abstract: A battery includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, a side surface insulating layer covering a side surface of the power-generating element from first to second ends of the power-generating element in a direction of laminating, a side surface conductor both connected to a counter-electrode layer located at the second end of the power-generating element and disposed along the side surface insulating layer, a counter-electrode collector terminal, both disposed at a first principal surface of the power-generating element located at the first end and connected to the side surface conductor, that is greater in thickness than a collector connected to the counter-electrode layer located at the second end, and an insulating layer disposed between the counter-electrode collector terminal and the first principal surface.

公开(公告)号：US20240213495A1

公开(公告)日：2024-06-27

申请号：US18601416

申请日：2024-03-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUYOSHI HONDA ,  KOICHI HIRANO ,  EIICHI KOGA ,  KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M4/70 ,  H01M4/04 ,  H01M10/052 ,  H01M10/0562 ,  H01M50/547

CPC classification number: H01M4/70 ,  H01M4/0402 ,  H01M10/0562 ,  H01M50/547 ,  H01M10/052

Abstract: A battery includes a power-generating element including a plurality of battery cells each including an electrode layer, a counter-electrode layer, and a solid electrolyte layer located between the electrode layer and the counter-electrode layer, an electrode insulating member covering the electrode layer on a first side surface of the power-generating element, a counter-electrode lead, electrically connected to the counter-electrode layer, that covers the first side surface and the electrode insulating member, a counter-electrode insulating member covering the counter-electrode layer on a second side surface of the power-generating element, an electrode lead, electrically connected to the electrode layer, that covers the second side surface and the counter-electrode insulating member, a counter-electrode collector terminal connected to the counter-electrode lead, and an electrode collector terminal connected to the electrode lead. The counter-electrode collector terminal and the electrode collector terminal are provided at an identical principal surface of the power-generating element.

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.