公开(公告)号：US20220302490A1

公开(公告)日：2022-09-22

申请号：US17835979

申请日：2022-06-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： AKIRA KAWASE ,  KAZUHIRO MORIOKA ,  AKIO KANEYAMA

IPC: H01M10/04 ,  H01M10/0585

Abstract: A method for manufacturing a battery includes (a) laminating an insulating layer on a part of at least one surface of at least one first collector, (b) laminating at least one power-generating element in which an electrode active material layer, a solid electrolyte layer, and a counter-electrode active material layer are laminated in this order and the at least one first collector on which the insulating layer is laminated such that the electrode active material layer covers the insulating layer, (c) cutting, in a laminating direction at a position where the insulating layer is divided, the at least one first collector on which the at least one power-generating element are laminated, and (d), before or after cutting the at least one power-generating element in the cutting (c), laminating a second collector on a surface of the at least one power-generating element that is opposite to the at least one first collector.

公开(公告)号：US20220302462A1

公开(公告)日：2022-09-22

申请号：US17805701

申请日：2022-06-07

Applicant: Panasonic Intellectual Property Management Co.,Ltd.

Inventor： KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M4/66 ,  H01M50/586 ,  H01M10/0525 ,  H01M4/13

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 a collector, an electrode active material layer located between the collector and the solid electrolyte layer, and an insulating layer located between the collector and the electrode active material layer at ends of the electrode layer. The counter-electrode layer has a counter-electrode active material layer placed opposite to the electrode active material layer. The electrode active material layer has a region that does not overlap the insulating layer in plan view. A side surface of the insulating layer and a side surface of the electrode active material layer are flush with each other.

公开(公告)号：US20210344042A1

公开(公告)日：2021-11-04

申请号：US17375119

申请日：2021-07-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOUJI NISHIDA ,  AKIRA KAWASE

IPC: H01M10/0562 ,  H01M10/0564 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/139 ,  H01M4/66

Abstract: A battery includes a first electrode, a first solid electrolyte layer in contact with the first electrode, a second electrode, and a second solid electrolyte layer located between the second electrode and the first solid electrolyte layer, wherein an organic compound content of the first solid electrolyte layer is larger than an organic compound content of the second solid electrolyte layer, and a thickness of the first solid electrolyte layer is smaller than a thickness of the second solid electrolyte layer.

公开(公告)号：US20190020054A1

公开(公告)日：2019-01-17

申请号：US16018093

申请日：2018-06-26

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： AKIRA KAWASE ,  KAZUYOSHI HONDA ,  YASUTAKA TSUTSUI

IPC: H01M10/04 ,  H01M10/02 ,  H01M10/46

CPC classification number: H01M10/0459 ,  H01M10/02 ,  H01M10/0418 ,  H01M10/045 ,  H01M10/46

Abstract: A battery includes a first insulator, a first electrode layer, and a first counter-electrode layer. The first counter-electrode layer is a counter electrode for the first electrode layer. The first insulator includes a first electrolyte portion, a second electrolyte portion, and a first bent portion. The first bent portion is positioned between the first electrolyte portion and the second electrolyte portion. The first electrode layer is disposed in contact with the first electrolyte portion. The first counter-electrode layer is disposed in contact with the second electrolyte portion. The first insulator is bent at the first bent portion, and thereby the first electrode layer and the first counter-electrode layer are positioned facing each other.

公开(公告)号：US20250070239A1

公开(公告)日：2025-02-27

申请号：US18946950

申请日：2024-11-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TATSUYA OSHIMA ,  YASUTAKA TSUTSUI ,  TAKAAKI TAMURA ,  HIROKI KAMITAKE ,  AKIRA KAWASE

IPC: H01M10/0562

Abstract: A solid electrolyte composition of the present disclosure includes a solvent and an ion conductor including a solid electrolyte, a binder, and a nitrogen-containing organic substance and being dispersed in the solvent. The solid electrolyte includes a sulfide solid electrolyte, the binder includes a styrenic elastomer, and the nitrogen-containing organic substance is represented by the following compositional formula (1). Where, R1 is a chain alkyl group having 7 or more and 21 or less carbon atoms or a chain alkenyl group having 7 or more and 21 or less carbon atoms, R2 is —CH2—, —CO—, or —NH(CH2)3—, and R3 and R4 are each independently a chain alkyl group having 1 or more and 22 or less carbon atoms, a chain alkenyl group having 2 or more and 22 or less carbon atoms, or hydrogen.

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：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.