公开(公告)号：US20240100730A1

公开(公告)日：2024-03-28

申请号：US18528701

申请日：2023-12-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOICHI HIRANO ,  KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: B26D11/00 ,  B26D7/08 ,  H01M10/0585

CPC classification number: B26D11/00 ,  B26D7/086 ,  H01M10/0585

Abstract: A method for manufacturing a battery includes: a first cutting step of cutting a laminate at a first cutting position to form a first cut surface, the laminate including at least one battery cell having a positive electrode layer, a negative electrode layer, and a solid electrolyte layer located between the positive electrode layer and the negative electrode layer; and a second cutting step of cutting the laminate cut in the first cutting step at a second cutting position inside the first cutting position to form a second cut surface. In the second cutting step, Rz1

公开(公告)号：US20230024599A1

公开(公告)日：2023-01-26

申请号：US17960132

申请日：2022-10-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKAAKI TAMURA ,  KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M4/13 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0585

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 solid electrolyte layer and bonded to the collector at ends of the electrode layer. The electrode active material layer has a region that does not overlap the insulating layer in plan view. The battery has an air gap, the air gap being located between the collector and the solid electrolyte layer and being contact with the insulating layer.

公开(公告)号：US20210296705A1

公开(公告)日：2021-09-23

申请号：US17341467

申请日：2021-06-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUHIRO MORIOKA ,  AKIRA KAWASE

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

Abstract: A battery according to the present disclosure includes a first electrode, a second electrode, and a solid state electrolyte layer disposed between the first electrode and the second electrode, the solid state electrolyte layer containing at least a solid state electrolyte and at least carbon atoms and including a carbon unevenly distributed layer. The concentration of the carbon atoms in the carbon unevenly distributed layer is higher than the concentration of the carbon atoms in a region of the solid state electrolyte layer excluding the carbon unevenly distributed layer.

公开(公告)号：US20210296696A1

公开(公告)日：2021-09-23

申请号：US17341461

申请日：2021-06-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUHIRO MORIOKA ,  YASUTAKA TSUTSUI ,  AKIRA KAWASE

IPC: H01M10/0562 ,  H01M10/0565 ,  H01M10/0585 ,  H01M4/62 ,  H01M4/36 ,  H01M4/66

Abstract: A battery according to the present disclosure includes: a collector; an electrode layer in contact with the collector; a solid electrolyte layer containing a solid electrolyte; and a sealing layer containing a sealing material, and the collector has an annealing softening temperature lower than a glass transition temperature of the sealing material.

公开(公告)号：US20250038369A1

公开(公告)日：2025-01-30

申请号：US18905140

申请日：2024-10-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: H01M50/533 ,  H01M10/0585 ,  H01M50/105 ,  H01M50/178 ,  H01M50/46 ,  H01M50/534 ,  H01M50/54

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, and the first connection member includes a first metal layer having a first surface facing the side surface, a first insulating layer located on the first surface, and first conductive vias passing through the first insulating layer and electrically connecting the first metal layer and the electrode layers.

公开(公告)号：US20240222809A1

公开(公告)日：2024-07-04

申请号：US18605236

申请日：2024-03-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: H01M50/533 ,  H01M50/186 ,  H01M50/207 ,  H01M50/512

CPC classification number: H01M50/533 ,  H01M50/186 ,  H01M50/207 ,  H01M50/512

Abstract: A battery according to an aspect of the present disclosure 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, the plurality of battery cells being electrically connected in parallel and laminated, an electrode insulating member covering the electrode layer on each of a plurality of first side surfaces of the power-generating element, a plurality of counter-electrode leads, electrically connected to the counter-electrode layer, each of which covers a first region of a corresponding one of the plurality of first side surfaces excluding both ends in a direction orthogonal to a direction of laminating and the electrode insulating member, and a counter-electrode conductor that connects the plurality of counter-electrode leads.

公开(公告)号：US20240097193A1

公开(公告)日：2024-03-21

申请号：US18513702

申请日：2023-11-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TATSUYA OSHIMA ,  AKIO KANEYAMA ,  KAZUHIRO MORIOKA ,  AKIRA KAWASE

IPC: H01M10/0568 ,  H01M4/04 ,  H01M4/62 ,  H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0568 ,  H01M4/0407 ,  H01M4/622 ,  H01M10/0567 ,  H01M10/0569

Abstract: A solid electrolyte composition contains a solvent and an ion conductor dispersed in the solvent, the ion conductor including a solid electrolyte and a binder, wherein 0.40

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.