公开(公告)号：US11777092B2

公开(公告)日：2023-10-03

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 ,  H01M4/133 ,  H01M4/36 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0565

CPC classification number: H01M4/62 ,  H01M4/133 ,  H01M4/366 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0565 ,  H01M2300/008 ,  H01M2300/0071 ,  H01M2300/0082 ,  H01M2300/0094

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：US11631853B2

公开(公告)日：2023-04-18

申请号：US16931092

申请日：2020-07-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuta Sugimoto ,  Izuru Sasaki ,  Tatsuya Oshima ,  Akinobu Miyazaki

IPC: H01M4/587 ,  H01M4/133 ,  H01M10/052 ,  H01M10/0562 ,  H01M4/62 ,  H01M50/431 ,  H01M50/449 ,  H01M50/46 ,  H01M4/02

Abstract: Provided is a battery in which the internal resistance is further decreased. The present disclosure provides a battery, comprising a positive electrode, a negative electrode, and an electrolyte layer provided between the positive electrode and the negative electrode. The electrolyte layer includes a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one selected from the group consisting of Cl, Br, and I. The negative electrode includes a negative electrode active material and a sulfide solid electrolyte.

公开(公告)号：US12166172B2

公开(公告)日：2024-12-10

申请号：US17518588

申请日：2021-11-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuya Oshima ,  Izuru Sasaki ,  Yuta Sugimoto ,  Seiji Nishiyama ,  Akinobu Miyazaki

IPC: H01M10/0562 ,  H01B1/12 ,  H01M4/04 ,  H01M10/0525

Abstract: An ion conductor material includes a solid-electrolyte material and a resin binder. The solid-electrolyte material includes Li, M, and X. The M is at least one selected from the group consisting of metal and metalloid elements other than Li. The X is at least one selected from the group consisting of F, Cl, Br, and I. The molar ratio of a modification group included in the resin binder to the solid-electrolyte material is less than or equal to 0.0002.

公开(公告)号：US12062754B2

公开(公告)日：2024-08-13

申请号：US17214943

申请日：2021-03-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuya Oshima ,  Izuru Sasaki ,  Hiroki Kamitake ,  Akira Kawase

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2300/008 ,  H01M2300/0091 ,  H01M2300/0094

Abstract: A battery includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. The electrolyte layer includes a first layer, a second layer, and a mixture layer disposed between the first layer and the second layer. The first layer includes a first solid electrolyte material. The second layer includes a second solid electrolyte material, the second solid electrolyte material being different from the first solid electrolyte material. The mixture layer includes the first solid electrolyte material and the second solid electrolyte material.

公开(公告)号：US11777088B2

公开(公告)日：2023-10-03

申请号：US16930415

申请日：2020-07-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuta Sugimoto ,  Izuru Sasaki ,  Tatsuya Oshima ,  Akinobu Miyazaki

IPC: H01M4/48 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/02

CPC classification number: H01M4/48 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/027 ,  H01M2300/008

Abstract: The present disclosure provides an anode material having further improved charge/discharge efficiency. The anode material according to the present disclosure includes an anode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one kind selected from the group consisting of Cl, Br, and I. The anode active material is an active material capable of storing and releasing lithium ions at a potential with respect to lithium of not less than 0.27 V.

公开(公告)号：US12183927B2

公开(公告)日：2024-12-31

申请号：US18455282

申请日：2023-08-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuya Oshima ,  Yuta Sugimoto ,  Izuru Sasaki ,  Akinobu Miyazaki

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

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：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.

公开(公告)号：US11949064B2

公开(公告)日：2024-04-02

申请号：US17160930

申请日：2021-01-28

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tatsuya Oshima ,  Izuru Sasaki ,  Yuta Sugimoto ,  Seiji Nishiyama ,  Masashi Sakaida ,  Akira Kawase

IPC: H01M10/0562 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/44 ,  H01M4/02

CPC classification number: H01M10/0562 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/446 ,  H01M2004/027 ,  H01M2300/008

Abstract: The present disclosure provides a negative electrode material that can improve the cycle characteristics of a battery. The negative electrode material according to the present disclosure contains a reduced form of a solid electrolyte material. The solid electrolyte material is denoted by Formula (1): LiαMβXγ. 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 dements except Li and semimetals, and X represents at least one dement selected from the group consisting of F, Cl, Br, and I.