公开(公告)号：US20250015286A1

公开(公告)日：2025-01-09

申请号：US18890830

申请日：2024-09-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KEITA MIZUNO ,  YOSHIAKI TANAKA ,  AKIHIRO SAKAI

IPC: H01M4/58 ,  H01M4/02

Abstract: An oxyhalide material of the present disclosure contains Li, M, O, and X. M is at least two selected from Group 5 elements. X is at least one selected from the group consisting of F, Cl, Br, and I. The oxyhalide material of the present disclosure shows a reversible oxidation-reduction reaction. In an X-ray diffraction pattern obtained by X-ray diffraction measurement on the oxyhalide material using Cu-Kα radiation, at least one peak is present in a first range, and (A) or (B) below is satisfied: (A) No peak is present in a second range. (B) At least one peak is present in the second range, and a ratio of intensity Ip1 of a peak with the highest intensity present in the first range to intensity Ip2 of a peak with the highest intensity present in the second range Ip1/Ip2 is larger than 5.

公开(公告)号：US20210296692A1

公开(公告)日：2021-09-23

申请号：US17338670

申请日：2021-06-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOKI UENO ,  YOSHIAKI TANAKA ,  KAZUHIDE ICHIKAWA ,  TETSUYA ASANO ,  AKIHIRO SAKAI

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

Abstract: The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material according to the present disclosure has a crystal structure including a structure framework and an ion-conductive species, wherein the structure framework has a one-dimensional chain in which a plurality of polyhedrons are linearly connected to each other while sharing a corner, and each of the plurality of polyhedrons contains at least one type of cation and at least one type of anion.

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：US20250015291A1

公开(公告)日：2025-01-09

申请号：US18890833

申请日：2024-09-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KEITA MIZUNO ,  YOSHIAKI TANAKA ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M10/052

Abstract: A positive electrode material of the present disclosure comprises a positive electrode active material, a first solid electrolyte, and a second solid electrolyte. The first solid electrolyte consists of Li, M1, and X1. The second solid electrolyte consists of Li, M2, O, and X2. M1 is at least one selected from the group consisting of Al, Ti, and Zr. M2 is at least one selected from Group 5 elements. X1 and X2 are each independently at least one selected from the group consisting of F, Cl, Br, and I and comprise F.

公开(公告)号：US20240413393A1

公开(公告)日：2024-12-12

申请号：US18813081

申请日：2024-08-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOSHIAKI TANAKA ,  YOHEI HAYASHI ,  KEITA MIZUNO

IPC: H01M10/0562 ,  H01M10/0525

Abstract: A solid electrolyte material of the present disclosure includes Li, M, A, and X. M is at least one selected from the group consisting of Nb, Ta, and Zr. A is at least one selected from the group consisting of O and S. X is at least one selected from the group consisting of F, Cl, Br, and I. The solid electrolyte material of the present disclosure has a Young's modulus of less than 23 GPa. A battery of the present disclosure includes a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode, and 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：US20230042911A1

公开(公告)日：2023-02-09

申请号：US17960134

申请日：2022-10-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： IZURU SASAKI ,  YOSHIAKI TANAKA ,  KAZUYA HASHIMOTO

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

Abstract: A positive electrode material in one aspect of the present disclosure includes: a positive electrode active material; and a first solid electrolyte that covers the surface of the positive electrode active material. The first solid electrolyte contains Li, M1, O, and X1. M1 is at least one element selected from the group consisting of Nb and Ta. X1 is at least one element selected from the group consisting of Cl, Br, and I.

公开(公告)号：US20230041243A1

公开(公告)日：2023-02-09

申请号：US17937458

申请日：2022-10-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOSHIAKI TANAKA ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M10/0525 ,  C01G35/00

Abstract: A producing method according to the present disclosure includes heat-treating a material mixture at higher than or equal to 150° C. and lower than or equal to 450° C., wherein the material mixture contains MX5 and at least one selected from the group consisting of Li2O2, Li2O, and LiOH, M is at least one selected from the group consisting of Ta and Nb, and X is at least one selected from the group consisting of Cl and Br.

公开(公告)号：US20220209290A1

公开(公告)日：2022-06-30

申请号：US17697994

申请日：2022-03-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAORI TAKEUCHI ,  YOSHIAKI TANAKA ,  KOKI UENO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

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

Abstract: The solid electrolyte material of the present disclosure includes Li, M, O, X, and F. M is at least one element selected from the group consisting of Ta and Nb. X is at least one element selected from the group consisting of Cl, Br, and I.