公开(公告)号：US20210296695A1

公开(公告)日：2021-09-23

申请号：US17340140

申请日：2021-06-07

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： IZURU SASAKI

IPC: H01M10/0562 ,  H01M10/0585 ,  H01M10/0565 ,  H01M4/66 ,  H01M10/04 ,  H01M10/44 ,  H01M4/36 ,  H01M50/509

Abstract: A battery includes a power generating element group including multiple laminated power generating elements each of which contains a solid electrolyte, and a first member in contact with a principal surface of a first power generating element that is one among the multiple power generating elements. The principal surface includes a central portion and an end portion with a ring-like shape surrounding the central portion in a plan view. The first member includes a central region overlapping with the central portion of the principal surface in a plan view, and an end region overlapping with the end portion of the principal surface in a plan view. At least one of the central region or the end region is in contact with the principal surface. A Young's modulus of the end region is smaller than that of the central region.

公开(公告)号：US20210151792A1

公开(公告)日：2021-05-20

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 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/36

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): Li60 MβXγ. 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.

公开(公告)号：US20200350626A1

公开(公告)日：2020-11-05

申请号：US16931113

申请日：2020-07-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TADAAKI MATSUMURA ,  IZURU SASAKI ,  YUTA SUGIMOTO

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/525 ,  H01M4/505

Abstract: Provided is a cathode material including a cathode active material; a coating layer which coats at least a part of a surface of the cathode active material, and which includes a first solid electrolyte material; and a second solid electrolyte material. The first solid electrolyte material includes Li, M, and X; however, does not include sulfur. M includes at least one element selected from the group consisting of metalloid elements and metal elements other than Li. X includes at least one element selected from the group consisting of Cl and Br.

公开(公告)号：US20200343554A1

公开(公告)日：2020-10-29

申请号：US16929289

申请日：2020-07-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TATSUYA OSHIMA ,  YUTA SUGIMOTO ,  IZURU SASAKI ,  AKINOBU MIYAZAKI

IPC: H01M4/62 ,  H01M4/36 ,  H01M10/0562 ,  H01M10/0565 ,  H01M4/587 ,  H01M4/133 ,  H01M10/0525

Abstract: An electrode material includes an electrode active material, a first solid electrolyte material, and a coating material. The first solid electrolyte material includes Li, M, and X and does not include sulfur, where M includes at least one selected from the group consisting of metal elements other than Li and metalloid elements, and X is at least one selected from the group consisting of Cl, Br, and I. The coating material is located on the surface of the electrode active material.

公开(公告)号：US20200328467A1

公开(公告)日：2020-10-15

申请号：US16914333

申请日：2020-06-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： IZURU SASAKI ,  AKIHIRO SAKAI ,  YUTA SUGIMOTO ,  AKINOBU MIYAZAKI

IPC: H01M10/0562 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525

Abstract: Provided is a positive electrode material including a positive electrode active material, a first solid electrolyte material, and a coating material. The coating material is located on the surface of the positive electrode active material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium, and at least one kind selected from the group consisting of chlorine, bromine, and iodine. The first solid electrolyte material does not include sulfur.

公开(公告)号：US20170054181A1

公开(公告)日：2017-02-23

申请号：US15219399

申请日：2016-07-26

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： IZURU SASAKI

IPC: H01M10/0585 ,  H01M10/0587 ,  H01M10/04 ,  H01M10/0525

CPC classification number: H01M10/0587 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0583

Abstract: A battery includes a first portion and a second portion, in which the first portion includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer located between the first positive electrode layer and the first negative electrode layer, in which the second portion includes a second positive electrode layer, a second negative electrode layer, and a second solid electrolyte layer located between the second positive electrode layer and the second negative electrode layer, in which the first portion and the second portion are in contact with each other, the second portion is more sharply bent than the first portion, and Cp1

Abstract translation: 电池包括第一部分和第二部分，其中第一部分包括第一正极层，第一负极层和位于第一正极层和第一负极层之间的第一固体电解质层，其中 所述第二部分包括第二正极层，第二负极层和位于所述第二正极层和所述第二负极层之间的第二固体电解质层，其中所述第一部分和所述第二部分接触 彼此相比，第二部分比第一部分更为弯曲，并且Cp1

公开(公告)号：US20240204168A1

公开(公告)日：2024-06-20

申请号：US18504222

申请日：2023-11-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAORI TAKEUCHI ,  YUTA SUGIMOTO ,  AKINOBU MIYAZAKI ,  IZURU SASAKI

IPC: H01M4/139 ,  H01M4/04 ,  H01M10/0562

CPC classification number: H01M4/139 ,  H01M4/0404 ,  H01M10/0562 ,  H01M2300/008

Abstract: A positive electrode material includes a positive electrode active material, a solid electrolyte, and an organic solvent. The solid electrolyte contains Li, M, O, and X. M is at least one selected from the group consisting of Ta and Nb. X is at least one selected from the group consisting of F, Cl, Br, and I. The organic solvent has a boiling point of less than or equal to 212° C.

公开(公告)号：US20240145725A1

公开(公告)日：2024-05-02

申请号：US18405033

申请日：2024-01-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE NISHIO ,  KENJI NAGAO ,  IZURU SASAKI

IPC: H01M4/62 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0562

CPC classification number: H01M4/625 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0562 ,  H01M2004/028

Abstract: A positive electrode material includes a mixture of a positive electrode active material, a solid electrolyte, and a conductive material. The conductive material contains a first conductive material having an average major axis diameter of greater than or equal to 1 μm and a second conductive material having an average particle diameter of less than or equal to 100 nm. A ratio of a volume of the positive electrode active material to a total volume of the positive electrode active material and the solid electrolyte is greater than or equal to 60% and less than or equal to 90%.

公开(公告)号：US20240079571A1

公开(公告)日：2024-03-07

申请号：US18508182

申请日：2023-11-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUYA HASHIMOTO ,  YUTA SUGIMOTO ,  IZURU SASAKI

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0562

CPC classification number: H01M4/366 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0562 ,  H01M2004/028

Abstract: A coated active material of the present disclosure includes an active material and a coating layer coating at least a part of the surface of the active material. The coating layer includes a first coating material. The coated active material has a supernatant NV rate of less than 23%, where the supernatant NV rate is a ratio of the NV value of a supernatant liquid to the mass content ratio of the first coating material in a dispersing liquid obtained by dispersing the coated active material in a solvent, and the NV value of the supernatant liquid is a ratio of the mass of a non-volatile component to the mass of the supernatant liquid obtained by precipitating the coated active material by leaving the dispersing liquid to stand.

公开(公告)号：US20240079570A1

公开(公告)日：2024-03-07

申请号：US18507037

申请日：2023-11-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUTA SUGIMOTO ,  KAZUYA HASHIMOTO ,  AKINOBU MIYAZAKI ,  KENJI NAGAO ,  IZURU SASAKI

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0562

CPC classification number: H01M4/366 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0562 ,  H01M2004/028

Abstract: A coated active material includes a positive electrode active material and a coating layer coating at least a portion of a surface of the positive electrode active material. The coating layer includes a first coating layer, which contains a first solid electrolyte, and a second coating layer, which contains a base material. The first coating layer is located outside of the second coating layer. The first solid electrolyte contains Li, M, and X, where M is at least one selected from the group consisting of metalloid elements and metal elements other than Li, and X is at least one selected from the group consisting of F, Cl, Br, and I. A ratio of a specific surface area of the coated active material to a specific surface area of the positive electrode active material coated with the second coating layer is less than or equal to 42%.