公开(公告)号：US12155032B2

公开(公告)日：2024-11-26

申请号：US17151722

申请日：2021-01-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuta Sugimoto ,  Izuru Sasaki

IPC: H01M10/0562

Abstract: A battery includes a positive electrode current collector, a positive electrode, a first electrolyte layer, a second electrolyte layer, a negative electrode, and a negative electrode current collector in this order. The first electrolyte layer contains a first solid electrolyte material, and the second electrolyte layer contains a second solid electrolyte material, the second solid electrolyte material being different from the first solid electrolyte material. A reduction potential of the second solid electrolyte material is less noble than a reduction potential of the first solid electrolyte material. The second electrolyte layer covers the negative electrode and is in contact with the negative electrode current collector, and/or the second electrolyte layer covers the first electrolyte layer and is in contact with the positive electrode current collector.

公开(公告)号：US11637287B2

公开(公告)日：2023-04-25

申请号：US16930430

申请日：2020-07-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuta Sugimoto ,  Ryuichi Natsui ,  Izuru Sasaki ,  Akinobu Miyazaki

IPC: H01M4/62 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/1315 ,  H01M10/052 ,  H01M4/02

Abstract: Provided is a positive electrode material which further improves charge/discharge efficiency. The positive electrode material according to the present disclosure includes a positive electrode 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 selected from the group consisting of Cl, Br, and I. The positive electrode active material includes a metal oxyfluoride.

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：US10115999B2

公开(公告)日：2018-10-30

申请号：US15158630

申请日：2016-05-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Satoru Ohuchi ,  Yuta Sugimoto ,  Toshiro Kume ,  Tomoyasu Yokoyama

IPC: H01M10/0525 ,  H01M10/0585 ,  H01M4/525 ,  H01M10/0562

Abstract: An all-solid-state lithium-ion secondary battery includes a cathode active material, an anode active material, a solid electrolyte between the cathode and anode active materials, and an intermediate layer between the solid electrolyte and the cathode active material. The cathode and anode active materials are able to store and release a lithium ion. The solid electrolyte has lithium ion conductivity. The intermediate layer is constituted of elements including all elements constituting the cathode active material. A lithium ion in the intermediate layer is less ionic than that in the cathode active material.

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：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.

公开(公告)号：US11749803B2

公开(公告)日：2023-09-05

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: H01M4/62 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0562 ,  H01M50/431 ,  H01M4/131

CPC classification number: H01M4/62 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0562 ,  H01M50/431 ,  H01M2300/008

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：US11652235B2

公开(公告)日：2023-05-16

申请号：US16931072

申请日：2020-07-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Izuru Sasaki ,  Akihiro Sakai ,  Yuta Sugimoto ,  Akinobu Miyazaki

IPC: H01M10/0562 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  C01G25/00 ,  H01M4/62 ,  H01M4/131

CPC classification number: H01M10/0562 ,  C01G25/006 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M2300/008 ,  H01M2300/0094

Abstract: Provided is a battery comprising a cathode, an anode, and an electrolyte layer. The electrolyte layer includes a first electrolyte layer and a second electrolyte layer. The first electrolyte layer includes a first solid electrolyte material. The second electrolyte layer includes a second solid electrolyte material which is different from the first solid electrolyte 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 and bromine. The first solid electrolyte material does not include sulfur.

公开(公告)号：US11600854B2

公开(公告)日：2023-03-07

申请号：US16911442

申请日：2020-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yohei Hayashi ,  Izuru Sasaki ,  Yuta Sugimoto

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/134 ,  H01M4/505 ,  H01M4/131 ,  H01M4/02

Abstract: A positive electrode material contains a positive electrode active material and a first solid electrolyte material. The first solid electrolyte material is represented by Chemical Formula (1): LiαMβXγ. In Chemical Formula (1), α, β, and γ each represent a value larger than 0, M represents at least one element selected from the group consisting of metal elements other than lithium and of metalloid elements, and X represents at least one element selected from the group consisting of fluorine, chlorine, bromine, and iodine. The ratio of the volume of the positive electrode active material to the sum of the volume of the positive electrode active material and the volume of the solid electrolyte material is not less than 0.55 and not more than 0.85.

公开(公告)号：US11539036B2

公开(公告)日：2022-12-27

申请号：US16930996

申请日：2020-07-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Izuru Sasaki ,  Akihiro Sakai ,  Yuta Sugimoto ,  Akinobu Miyazaki

IPC: H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0562 ,  H01M4/02

Abstract: Provided is a battery including a positive electrode including a first positive electrode layer and a second positive electrode layer; a negative electrode; and an electrolyte layer. The first positive electrode layer includes a first positive electrode active material, a first solid electrolyte material, and a coating material. The second positive electrode layer includes a second positive electrode active material and the first solid electrolyte 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 and bromine. The first solid electrolyte material does not include sulfur.