公开(公告)号：US20250023095A1

公开(公告)日：2025-01-16

申请号：US18900635

申请日：2024-09-28

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  KAZUFUMI MIYATAKE ,  YOSHIAKI TANAKA ,  RYUHEI KATAYAMA ,  AKINOBU MIYAZAKI

IPC: H01M10/0562 ,  H01M10/0525

Abstract: The solid electrolyte material of the present disclosure is a solid electrolyte material including Li, M, O, and X. Here, M is at least one selected from the group consisting of Nb and Ta, X is at least one selected from the group consisting of F, Cl, Br, and I, and the solid electrolyte material has a specific surface area of greater than 7.5 m2/g. The battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer arranged between the positive electrode and the negative electrode. At least one of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

公开(公告)号：US20230395846A1

公开(公告)日：2023-12-07

申请号：US18452117

申请日：2023-08-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUFUMI MIYATAKE ,  YUSUKE NISHIO ,  TAKASHI KUBO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M4/62

CPC classification number: H01M10/0562 ,  H01M4/62 ,  H01M2300/008

Abstract: A solid electrolyte material of the present disclosure includes Li, Zr, Y, Cl, and O, wherein the molar ratio of O to Y is greater than 0 and less than or equal to 0.60. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

公开(公告)号：US20230016727A1

公开(公告)日：2023-01-19

申请号：US17933099

申请日：2022-09-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUFUMI MIYATAKE ,  YUSUKE NISHIO ,  TAKASHI KUBO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M4/62 ,  C01F17/30

Abstract: A solid electrolyte material is made of Li, Ca, Y, Gd, X, O, and H, where X is at least one selected from the group consisting of F, Cl, Br, and I; and the molar ratio of O to the sum of Y and Gd is greater than 0 and less than 0.82.

公开(公告)号：US20230006246A1

公开(公告)日：2023-01-05

申请号：US17929327

申请日：2022-09-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  KAZUFUMI MIYATAKE ,  YUSUKE NISHIO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  C01F17/36

Abstract: The production method of the present disclosure includes: heat-treating a material mixture containing LiA, YB3, GdC3, and CaD2 in an inert gas atmosphere. A, B, C, and D are each independently at least one selected from the group consisting of F, Cl, Br, and I. In the heat-treating, the material mixture is heat-treated at higher than or equal to 200° C. and lower than or equal to 700° C.

公开(公告)号：US20210391595A1

公开(公告)日：2021-12-16

申请号：US17460406

申请日：2021-08-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  TETSUYA ASANO ,  AKINOBU MIYAZAKI ,  AKIHIRO SAKAI

IPC: H01M10/0562

Abstract: The present disclosure provides a solid electrolyte material having a high lithium ion conductivity. The solid electrolyte material according to the present disclosure consists essentially of Li, Zr, Y, M, and X. M is at least one element selected from the group consisting of Al, Ga, In, Sc, and Bi. X is at least one element selected from the group consisting of Cl and Br.

公开(公告)号：US20210296693A1

公开(公告)日：2021-09-23

申请号：US17338672

申请日：2021-06-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE NISHIO ,  KAZUFUMI MIYATAKE ,  TAKASHI KUBO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

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

Abstract: A solid-electrolyte material includes Li, Y, O, and X. X is at least two elements selected from the group consisting of F, Cl, Br, and I.

公开(公告)号：US20210269325A1

公开(公告)日：2021-09-02

申请号：US17323933

申请日：2021-05-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  YUSUKE NISHIO ,  AKIHIRO SAKAI ,  AKINOBU MIYAZAKI

IPC: C01F17/36

Abstract: A production method for producing a halide includes heat-treating, in an inert gas atmosphere, a mixed material in which LiCl and YCl3 are mixed. In the heat-treatment, the mixed material is heat-treated at higher than or equal to 200° C. and lower than or equal to 650° C.

公开(公告)号：US20210269324A1

公开(公告)日：2021-09-02

申请号：US17321481

申请日：2021-05-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  YUSUKE NISHIO ,  AKIHIRO SAKAI ,  AKINOBU MIYAZAKI

IPC: C01F17/36 ,  H01M10/0562

Abstract: A method for producing a halide includes heat-treating a mixed material in an inert gas atmosphere, the mixed material being a mixture of M2O3, NH4X, and LiZ. The M includes at least one element selected from the group consisting of Y, a lanthanoid, and Sc. The X is at least one element selected from the group consisting of Cl, Br, I, and F. The Z is at least one element selected from the group consisting of Cl, Br, I, and F.

公开(公告)号：US20250030045A1

公开(公告)日：2025-01-23

申请号：US18904155

申请日：2024-10-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  KAZUFUMI MIYATAKE ,  YOSHIAKI TANAKA ,  RYUHEI KATAYAMA ,  AKINOBU MIYAZAKI

IPC: H01M10/0562 ,  C01G35/00 ,  C01G35/02 ,  H01M4/04 ,  H01M10/052

Abstract: A solid electrolyte material of the present disclosure comprises Li, M, O, and X, wherein M is at least one selected from the group consisting of Nb and Ta, and X is at least one selected from the group consisting of F, Cl, Br, and I. The solid electrolyte material contains columnar crystals. The average of aspect ratios (L/W) of the length (L) and the width (W) of the columnar crystals is 5 or more, and the average length is 20 μm or less. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material according to the present disclosure.

公开(公告)号：US20240250299A1

公开(公告)日：2024-07-25

申请号：US18624258

申请日：2024-04-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUFUMI MIYATAKE ,  KEITA MIZUNO ,  TAKASHI KUBO ,  AKINOBU MIYAZAKI

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/008

Abstract: The solid electrolyte material of the present disclosure is a solid electrolyte material including Li, Y, and I, wherein in an X-ray diffraction pattern of the solid electrolyte material obtained by X-ray diffraction measurement using Cu-Kα rays, the peak having the highest intensity among the peaks present in a diffraction angle 2θ range of greater than or equal to 25.0° and less than or equal to 29.1° has a half value width of less than 0.89°. The battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.