公开(公告)号：US20250006983A1

公开(公告)日：2025-01-02

申请号：US18593798

申请日：2024-03-01

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MASASHI SAKAIDA ,  KAZUFUMI MIYATAKE

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

Abstract: According to the present disclosure, a composition comprises at least one compound selected from the group consisting of LiF, TiF4, AlF3, Li2TiF6, and Li3AlF6; and a solvent. According to the present disclosure, a battery comprises 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 comprises a solid derived from the composition of the present disclosure.

公开(公告)号：US20240250291A1

公开(公告)日：2024-07-25

申请号：US18418294

申请日：2024-01-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MASASHI SAKAIDA

IPC: H01M10/0562 ,  H01M4/131 ,  H01M4/505 ,  H01M10/44

CPC classification number: H01M10/0562 ,  H01M4/131 ,  H01M4/505 ,  H01M10/44 ,  H01M2300/008

Abstract: A positive electrode material of the present disclosure comprises a positive electrode active material and a halide solid electrolyte. The halide solid electrolyte comprises F. The positive electrode active material is capable of occluding and releasing lithium ions at greater than 4.3 V versus lithium. A battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. The positive electrode comprises the positive electrode material of the present disclosure.

公开(公告)号：US20240204243A1

公开(公告)日：2024-06-20

申请号：US18419631

申请日：2024-01-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MASASHI SAKAIDA

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/008

Abstract: According to the present disclosure, a composition comprises a compound and a solvent. The compound comprises Li and at least one selected from the group consisting of Zr, Al, and F. The compound is in a form of particles and has an average particle diameter of less than 0.68 μm. According to the present disclosure, a battery comprises 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 comprises a solid derived from the composition of the present disclosure.

公开(公告)号：US20230018258A1

公开(公告)日：2023-01-19

申请号：US17939972

申请日：2022-09-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOSHIMASA NAKAMA ,  MASASHI SAKAIDA

IPC: H01M10/0562 ,  H01M4/62 ,  C01G23/00

Abstract: The solid electrolyte material consists essentially of Li, Ti, M, and F. Here, M is at least one selected from the group consisting of Mg and Ca.

公开(公告)号：US20210359303A1

公开(公告)日：2021-11-18

申请号：US17391050

申请日：2021-08-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MASASHI SAKAIDA ,  IZURU SASAKI ,  NORIHITO FUJINOKI

IPC: H01M4/505 ,  H01M4/525 ,  H01M4/36 ,  H01M4/131 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0562

Abstract: A positive electrode material includes a positive electrode active material, a cover layer that covers at least part of a surface of the positive electrode active material and that contains a first solid electrolyte material, and a second solid electrolyte material that is a material different from the first solid electrolyte material. The first solid electrolyte material contains Li, M, and X and does not contain sulfur. M represents at least one element selected from the group consisting of metal elements other than Li and semi-metal elements, and X represents halogen elements including Cl.

公开(公告)号：US20210280907A1

公开(公告)日：2021-09-09

申请号：US17329145

申请日：2021-05-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： NORIHITO FUJINOKI ,  MASASHI SAKAIDA ,  KENTA NAGAMINE ,  AKIHIRO SAKAI ,  AKINOBU MIYAZAKI

IPC: H01M10/0562

Abstract: A solid electrolyte consists essentially of Li, M, and X. M includes at least one element selected from the group consisting of Gd, Tb, and Sm. X is at least one element selected from the group consisting of Cl, Br, and I.

公开(公告)号：US20210151791A1

公开(公告)日：2021-05-20

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

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.

公开(公告)号：US20200335817A1

公开(公告)日：2020-10-22

申请号：US16915424

申请日：2020-06-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TETSUYA ASANO ,  AKIHIRO SAKAI ,  MASASHI SAKAIDA ,  YUSUKE NISHIO

IPC: H01M10/0562 ,  H01M10/0525 ,  C01G25/00 ,  C01F17/36 ,  C01G35/00 ,  C01G33/00 ,  C01G9/00 ,  C01G29/00

Abstract: A solid electrolyte material contains Li, M, and X. M is at least one selected from metallic elements, and X is at least one selected from the group consisting of Cl, Br, and I. A plurality of atoms of X form a sublattice having a closest packed structure. An average distance between two adjacent atoms of X among the plurality of atoms of X is 1.8% or more larger than a distance between two adjacent atoms of X in a rock-salt structure composed only of Li and X.

公开(公告)号：US20200328463A1

公开(公告)日：2020-10-15

申请号：US16912071

申请日：2020-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： AKIHIRO SAKAI ,  TETSUYA ASANO ,  MASASHI SAKAIDA ,  YUSUKE NISHIO ,  AKINOBU MIYAZAKI ,  SHINYA HASEGAWA

IPC: H01M10/0562 ,  H01M10/052 ,  C01G25/00 ,  C01G27/00

Abstract: Provided is a solid electrolyte material represented by the following composition formula (1) Li3−3δ−aY1+δ−aMaCl6−x−yBrxIy  Formula (1) where M is one or more kinds of elements selected from the group consisting of Zr, Hf, and Ti; −1

公开(公告)号：US20200328454A1

公开(公告)日：2020-10-15

申请号：US16911453

申请日：2020-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： AKIHIRO SAKAI ,  TETSUYA ASANO ,  MASASHI SAKAIDA ,  YUSUKE NISHIO ,  AKINOBU MIYAZAKI ,  SHINYA HASEGAWA

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/131

Abstract: Provided is a solid electrolyte material comprising Li, Y, Br, and I, wherein in an X-ray diffraction pattern in which Cu-Kα is used as a radiation source, peaks are present within all ranges of diffraction angles 2θ of 12.5° to 14.0°, 25.0° to 27.8°, 29.2° to 32.3°, 41.9° to 46.2°, 49.5° to 54.7°, and 51.9° to 57.5°.