公开(公告)号：US12142725B2

公开(公告)日：2024-11-12

申请号：US17375109

申请日：2021-07-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akira Kawase ,  Kouji Nishida ,  Yasutaka Tsutsui

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

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 and in contact with the second electrode and the first solid electrolyte layer. An organic compound content of the first solid electrolyte layer is smaller 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：US12100801B2

公开(公告)日：2024-09-24

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 ,  H01M4/36 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0565 ,  H01M10/0585

CPC classification number: H01M10/0562 ,  H01M4/366 ,  H01M4/621 ,  H01M4/667 ,  H01M10/0565 ,  H01M10/0585

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：US12080853B2

公开(公告)日：2024-09-03

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

CPC classification number: H01M10/0585 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2300/0068

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：US11031601B2

公开(公告)日：2021-06-08

申请号：US16412386

申请日：2019-05-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuyoshi Honda ,  Akira Kawase ,  Yasutaka Tsutsui

IPC: H01M4/66 ,  H01M10/0585 ,  H01M4/62 ,  H01M10/48 ,  H01M10/0562 ,  H01M4/13 ,  H01M50/116 ,  H01M50/183

Abstract: A battery includes: a unit cell including an electrode layer, a counter electrode layer, and a solid electrolyte layer; an electrode current collector; an electrode current collector; a counter electrode current collector; and a seal disposed between the electrode current collector and the counter electrode current collector. The thickness of a first stack portion is larger than the thickness of a second stack portion. The first stack portion includes: a first sealing portion that is at least part of the seal; a part of the electrode current collector that overlaps the first sealing portion; and a part of the counter electrode current collector that overlaps the first sealing portion. The second stack portion includes: the unit cell; a part of the electrode current collector that overlaps the unit cell; and a part of the counter electrode current collector that overlaps the unit cell.

公开(公告)号：US10903500B2

公开(公告)日：2021-01-26

申请号：US16579841

申请日：2019-09-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuyoshi Honda ,  Akira Kawase ,  Kouji Nishida ,  Akio Kaneyama ,  Yasutaka Tsutsui

IPC: H01M4/70 ,  H01M2/10 ,  H01M10/04 ,  H01M2/08

Abstract: A battery includes a unit cell, which includes an electrode layer and a counter electrode layer facing the electrode layer, an electrode current collector in contact with the electrode layer, a counter electrode current collector in contact with the counter electrode layer, and a seal between the electrode current collector and the counter electrode current collector. The unit cell is disposed between the electrode current collector and the counter electrode current collector. At least one selected from the group consisting of the electrode current collector and the counter electrode current collector has at least one recess facing the seal.

公开(公告)号：US12074292B2

公开(公告)日：2024-08-27

申请号：US17460310

申请日：2021-08-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuyoshi Honda ,  Eiichi Koga ,  Akira Kawase ,  Noboru Masuda ,  Takeshi Yamasaki

IPC: H01M10/0585 ,  H01M10/0525 ,  H01M10/0562 ,  H01M50/533 ,  H01M50/534 ,  H01M50/536

CPC classification number: H01M10/0585 ,  H01M10/0525 ,  H01M10/0562 ,  H01M50/533 ,  H01M50/534 ,  H01M50/536 ,  H01M2300/0071

Abstract: A laminated battery includes a plurality of battery cells which are laminated and a current collecting lead. Each of the plurality of battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The plurality of battery cells include first and second battery cells adjacent to each other. The first battery cell has a surface that faces the second battery cell and includes an exposed surface not in contact with the second battery cell. At least part of the exposed surface does not overlap the second battery cell when viewed from a laminating direction of the battery cells. The current collecting lead is connected to the exposed surface.

公开(公告)号：US11245104B2

公开(公告)日：2022-02-08

申请号：US16129897

申请日：2018-09-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akira Kawase ,  Yasutaka Tsutsui

IPC: H01M4/04 ,  H01M4/52 ,  H01M10/0562 ,  H01M10/058 ,  H01M4/525 ,  H01M4/66 ,  H01M10/052 ,  H01M10/04 ,  H01M10/0585 ,  H01M50/183 ,  H01M4/02 ,  H01M50/20 ,  H01M50/209

Abstract: A battery includes an electricity-generating element that includes an electrode layer and a counter-electrode layer, an electrode current collector that is disposed in contact with the electrode layer, a counter-electrode current collector that is disposed in contact with the counter-electrode layer, and a first sealing section that includes a first portion and a second portion. In the battery, the first portion is positioned within an opposing region where the electrode current collector and the counter-electrode current collector oppose each other and is in contact with the electrode current collector and the counter-electrode current collector. In addition, the second portion is positioned outside the opposing region, and the second portion is positioned outside both an edge of the electrode current collector and an edge of the counter-electrode current collector.

公开(公告)号：US10680273B2

公开(公告)日：2020-06-09

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 ,  H01M10/46 ,  H01M10/02

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：US12125971B2

公开(公告)日：2024-10-22

申请号：US17337492

申请日：2021-06-03

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuyoshi Honda ,  Yasutaka Tsutsui ,  Tsutomu Koshizuka ,  Akira Kawase

IPC: H01M10/0562 ,  H01M4/131 ,  H01M4/66 ,  H01M10/0565 ,  H01M10/0585 ,  H01M50/184 ,  H01M50/186 ,  H01M50/191 ,  H01M50/193 ,  H01M50/195 ,  H01M50/198

CPC classification number: H01M10/0562 ,  H01M4/131 ,  H01M4/66 ,  H01M10/0565 ,  H01M10/0585 ,  H01M50/184 ,  H01M50/186 ,  H01M50/191 ,  H01M50/193 ,  H01M50/195 ,  H01M50/198 ,  H01M2300/0065

Abstract: A battery includes: a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer containing a solid electrolyte, a negative electrode active material layer, and a negative electrode current collector that are laminated in this order; and a sealing member. The battery has an opening hole penetrating the positive electrode current collector, the positive electrode active material layer, the solid electrolyte layer containing the solid electrolyte, the negative electrode active material layer, and the negative electrode current collector in a laminating direction and further includes a sealing member. In cross-sectional view perpendicular to the laminating direction, the sealing member is located between the opening hole and each of the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer.

公开(公告)号：US11955599B2

公开(公告)日：2024-04-09

申请号：US17161001

申请日：2021-01-28

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuya Oshima ,  Izuru Sasaki ,  Seiji Nishiyama ,  Akira Kawase

IPC: H01M10/0562 ,  H01M4/04 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M10/0562 ,  H01M4/0407 ,  H01M4/366 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0068

Abstract: The present disclosure provides a negative electrode material that can improve the charge-discharge efficiency of a battery. A negative electrode material includes a reduced form of a first solid electrolyte material and a conductive auxiliary. The first solid electrolyte material is denoted by Formula (1): Li60MβXγ. Herein, in Formula (1), each of α, β, and γ is a value greater than 0, M represents at least one element selected from the group consisting of metal elements except Li and semimetals, and X represents at least one element selected from the group consisting of F, Cl, Br, and I.