公开(公告)号：US20240222810A1

公开(公告)日：2024-07-04

申请号：US18605331

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 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 in a first region of one of a plurality of side surfaces of the power-generating element, a counter-electrode lead, electrically connected to the counter-electrode layer, that covers the first region and the electrode insulating member, a counter-electrode insulating member covering the counter-electrode layer in a second region of one of the plurality of side surfaces, and an electrode lead, electrically connected to the electrode layer, that covers the second region and the counter-electrode insulating member. The first region and the second region are located on an identical side surface of the power-generating element.

公开(公告)号：US20240222808A1

公开(公告)日：2024-07-04

申请号：US18605088

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 includes: a power-generating element including battery cells electrically connected in parallel and laminated and each including an electrode layer, a counter electrode layer, and a solid electrolyte layer; an electrode insulation member; a counter electrode lead layer covering a first side surface and the electrode insulation member and electrically connected to the counter electrode layer of each of the battery cells; and a counter electrode current collector terminal provided at a first principal surface of the power-generating element. A resistance of a first portion, of the counter electrode lead layer, connected to the counter electrode layer of a battery cell disposed closest to the first principal surface among the battery cells is lower than a resistance of a second portion thereof connected to the counter electrode layer of a battery cell disposed farthest from the first principal surface among the battery cells.

公开(公告)号：US20240213436A1

公开(公告)日：2024-06-27

申请号：US18601365

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: H01M4/04 ,  H01M10/052 ,  H01M10/0562 ,  H01M50/531

CPC classification number: H01M4/0404 ,  H01M10/0562 ,  H01M50/531 ,  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 provided at a first principal surface of the power-generating element, and an electrode collector terminal provided at a second principal surface of the power-generating element opposite to the first principal surface.

公开(公告)号：US20180024102A1

公开(公告)日：2018-01-25

申请号：US15636743

申请日：2017-06-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： AYUMU FUKUOKA ,  KAZUYOSHI HONDA

IPC: G01N31/22 ,  H01M10/42

CPC classification number: G01N31/224 ,  H01M10/4228 ,  H01M10/48

Abstract: A battery includes a first power generating element including a first electrode layer and a first counter electrode layer, a first current collector that is in contact with the first electrode layer, a second current collector that is in contact with the first counter electrode layer, a first sealing portion that seals a gap between the first current collector and the second current collector, a first void disposed between the first sealing portion and the first power generating element, and a first gas detection unit that detects gas. The first gas detection unit detects “the gas in the first void.”

公开(公告)号：US20170309947A1

公开(公告)日：2017-10-26

申请号：US15479340

申请日：2017-04-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUYOSHI HONDA

IPC: H01M10/04 ,  B32B15/20 ,  B32B37/00 ,  H01M6/00 ,  H01M4/66 ,  H01M10/0525 ,  B32B15/04 ,  H01M6/02 ,  B32B15/18 ,  B32B37/10

CPC classification number: H01M10/0468 ,  B32B15/04 ,  B32B15/18 ,  B32B15/20 ,  B32B37/0046 ,  B32B37/10 ,  B32B41/00 ,  B32B2307/202 ,  B32B2311/12 ,  B32B2311/30 ,  B32B2457/10 ,  H01M4/662 ,  H01M6/005 ,  H01M6/02 ,  H01M10/0404 ,  H01M10/0481 ,  H01M10/0525 ,  H01M10/0585

Abstract: In a battery manufacturing method using a battery manufacturing apparatus, the battery manufacturing apparatus including a pressing unit, a measurement device, and a controller, the battery manufacturing method includes steps of (a) pressing a battery member by a pressing unit, (b) measuring, after the pressing step (a), by the measurement device, characteristics of the battery member, which has been pressed by the pressing unit, and (c) controlling, after the measurement step (b), by the controller, a state of pressing of the battery member by the pressing unit in accordance with a measurement result of the measurement device.

公开(公告)号：US20240274860A1

公开(公告)日：2024-08-15

申请号：US18641248

申请日：2024-04-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: H01M10/04 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/51 ,  H01M50/519

CPC classification number: H01M10/0436 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/51 ,  H01M50/519

Abstract: A battery includes: a power generation element including at least one battery cell each having a laminated structure of a positive electrode layer, a negative electrode layer, and a solid electrolyte layer located between the positive electrode layer and the negative electrode layer, in which the at least one battery cell is each provided with a through hole penetrating in a direction of lamination, a sectional area of the through hole in the positive electrode layer in a direction perpendicular to the direction of lamination is larger than a sectional area of the through hole in the negative electrode layer in the direction perpendicular to the direction of lamination, and an inner wall of the through hole is inclined with respect to the direction of lamination.

公开(公告)号：US20240266687A1

公开(公告)日：2024-08-08

申请号：US18638744

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: H01M50/529 ,  H01M50/509 ,  H01M50/514 ,  H01M50/588 ,  H05K1/18

CPC classification number: H01M50/529 ,  H01M50/509 ,  H01M50/514 ,  H01M50/588 ,  H05K1/18 ,  H05K2201/10037

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; a first conductive member; and a second conductive member, in which at least a portion of the plurality of battery cells are electrically connected in parallel, the parallel connection is carried out by an insulating layer and a connecting portion provided on a side surface of the power generation element, at least a portion of the plurality of battery cells are electrically connected in series, the power generation element is provided with at least one through hole that penetrates at least a portion of the plurality of battery cells in a direction of lamination and is open on at least any of a first principal surface and a second principal surface located on an opposite side to the first principal surface of the power generation element, the first conductive member is electrically connected to a first battery cell among the plurality of battery cells, passes through the at least one through hole, and extends to an opening position of the at least one through hole located on a first surface being one of the first principal surface and the second principal surface, the second conductive member is electrically connected to a second battery cell among the plurality of battery cells being different from the first battery cell, passes through the at least one through hole, and extends to an opening position of the at least one through hole located on a second surface being one of the first principal surface and the second principal surface, and the first battery cell and the second battery cell are not connected in parallel.

公开(公告)号：US20240222647A1

公开(公告)日：2024-07-04

申请号：US18605804

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: H01M4/70 ,  H01M4/66 ,  H01M4/82 ,  H01M10/052 ,  H01M10/0562

CPC classification number: H01M4/70 ,  H01M4/82 ,  H01M10/052 ,  H01M10/0562 ,  H01M4/661

Abstract: Each of the plurality of power-generating layers includes an electrode layer, a counter electrode layer, and a solid electrolyte layer located between the electrode layer and the counter electrode layer, a plurality of current collectors each include a counter electrode current collector that is electrically connected to the counter electrode layer, and an electrode current collector that is electrically connected to the electrode layer, the plurality of power-generating layers are laminated so as to be electrically connected in parallel, the power-generating layers being adjacent to each other are laminated while interposing at least one current collector out of the plurality of current collectors, each of the power-generating layers of a power-generating element is sandwiched between two adjacent current collectors out of the plurality of current collectors, a side surface of the power-generating element includes a first region and a second region.

公开(公告)号：US20220416309A1

公开(公告)日：2022-12-29

申请号：US17929772

申请日：2022-09-06

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUYOSHI HONDA ,  AKIRA KAWASE ,  EIICHI KOGA ,  KOUJI NISHIDA ,  KAZUHIRO MORIOKA

IPC: H01M10/0585 ,  H01M10/48 ,  G01R31/396 ,  G01R31/389

Abstract: A method for manufacturing a laminated battery in which a plurality of unit battery cells each having a negative-electrode layer, a positive-electrode layer, and a solid electrolyte layer located between the negative-electrode layer and the positive-electrode layer are laminated, the method including: measuring respective characteristics of the plurality of unit battery cells; laminating the plurality of unit battery cells, the characteristics of the plurality of unit battery cells being measured; and on the basis of the respective characteristics of the plurality of unit battery cells laminated in the laminating, adjusting areas of the plurality of unit battery cells which are laminated by collectively cutting the plurality of unit battery cells which are laminated and thereby so that a battery capacity of the laminated battery falls within a predetermined range of value.

公开(公告)号：US20190081352A1

公开(公告)日：2019-03-14

申请号：US16055155

申请日：2018-08-06

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： IZURU SASAKI ,  KAZUYOSHI HONDA

IPC: H01M10/0562 ,  H01M10/052 ,  H01M4/131 ,  H01M4/36 ,  H01M4/62 ,  H01B1/12

Abstract: A sulfide solid electrolyte material includes a sulfide layer and an oxide layer disposed on the sulfide layer. The sulfide layer contains a sulfide that contains lithium, phosphorus, a halogen, and sulfur. The oxide layer contains an oxide that contains lithium, phosphorus, a halogen, and oxygen. In a 31P-NMR spectrum of the sulfide solid electrolyte material, a first peak component, which is defined within a first chemical shift range from 87.6 to 88.4 ppm, has an intensity equal to or less than 0.42 times that of a second peak component, which is defined within a second chemical shift range from 83.6 to 84.4 ppm.