公开(公告)号：US10535895B2

公开(公告)日：2020-01-14

申请号：US15997695

申请日：2018-06-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Izuru Sasaki

IPC: H01M4/02 ,  H01M10/0562 ,  H01M10/052 ,  H01M4/133 ,  H01M4/131 ,  H01M4/134 ,  H01B1/06 ,  H01M10/48

Abstract: A sulfide solid electrolyte material comprises phosphorus and sulfur. With regard to the sulfide solid electrolyte material, x satisfies 0.00926≤x≤0.37, where a first peak is a peak in a range of not less than 87.5 ppm and not more than 88.5 ppm, the peak being determined by Gaussian curve fitting of a 31P-NMR spectrum, a second peak is a peak in a range of not less than 84.2 ppm and not more than 85.2 ppm, the peak being determined by Gaussian curve fitting of the 31P-NMR spectrum, and a ratio of integrated intensity of the first peak to integrated intensity of the second peak is represented by x:1−x.

公开(公告)号：US12266759B2

公开(公告)日：2025-04-01

申请号：US18064314

申请日：2022-12-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kaori Takeuchi ,  Yoshiaki Tanaka ,  Izuru Sasaki ,  Tetsuya Asano ,  Akihiro Sakai

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

Abstract: A positive electrode material includes: a positive electrode active material; a coating layer covering at least part of the surface of the positive electrode active material; and a second solid electrolyte. The coating layer includes a first solid electrolyte. The first solid electrolyte includes Li, M1 and F. M1 is at least one selected from the group consisting of Ti, Al and Zr. The second solid electrolyte includes Li, M2, O and X. M2 is at least one selected from the group consisting of Ta and Nb. X is at least one selected from the group consisting of F, Cl, Br and I.

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：US10991947B2

公开(公告)日：2021-04-27

申请号：US16898577

申请日：2020-06-11

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Izuru Sasaki

IPC: H01M4/62 ,  H01M10/0562 ,  H01M10/42 ,  H01M10/654 ,  H01M10/058 ,  H01M10/052 ,  H01M2/16

Abstract: A battery according to one aspect of the present disclosure includes a first electrode layer, a first counter electrode layer being a counter electrode of the first electrode layer, a first solid electrolyte layer located between the first electrode layer and the first counter electrode layer, and a first heat-conducting layer including a first region containing a heat-conducting material. The first region is located between the first electrode layer and the first solid electrolyte layer.

公开(公告)号：US10270125B2

公开(公告)日：2019-04-23

申请号：US15073597

申请日：2016-03-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Izuru Sasaki ,  Junichi Hibino

IPC: H01M10/0562 ,  H01M10/0585 ,  H01M10/48 ,  H01M10/0525 ,  H01M4/66 ,  H01M10/04 ,  H01M10/052 ,  H01M10/42 ,  H01M2/34

Abstract: Provided is a battery including a first positive electrode collector, a first negative electrode collector, a first power generating element, a second power generating element, and a first insulating part. The first and second power generating elements each include a positive electrode active material-containing layer, a negative electrode active material-containing layer, and an inorganic solid electrolyte-containing layer. In each of the first and second power generating elements, the inorganic solid electrolyte layer is in contact with the positive electrode active material-containing layer and the negative electrode active material-containing layer. The positive electrode active material layers of the first and second power generating elements are in contact with the first positive electrode collector. The negative electrode active material layers of the first and second power generating elements are in contact with the first negative electrode collector. The first insulating part is disposed between the first and second power generating elements.

公开(公告)号：US10236535B2

公开(公告)日：2019-03-19

申请号：US15219399

申请日：2016-07-26

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Izuru Sasaki

IPC: H01M10/0525 ,  H01M10/0562 ,  H01M10/0583 ,  H01M10/0587

Abstract: A battery includes a first portion and a second portion, in which the first portion includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer located between the first positive electrode layer and the first negative electrode layer, in which the second portion includes a second positive electrode layer, a second negative electrode layer, and a second solid electrolyte layer located between the second positive electrode layer and the second negative electrode layer, in which the first portion and the second portion are in contact with each other, the second portion is more sharply bent than the first portion, and Cp1

公开(公告)号：US10103407B2

公开(公告)日：2018-10-16

申请号：US15267055

申请日：2016-09-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tomoyuki Komori ,  Izuru Sasaki

IPC: H01M10/0583 ,  H01M10/0565 ,  H01M10/0525 ,  H01M10/052

Abstract: A battery includes a first portion and a second portion, in which the first portion includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer located between the first positive electrode layer and the first negative electrode layer, in which the second portion includes a second positive electrode layer, a second negative electrode layer, and a second solid electrolyte layer located between the second positive electrode layer and the second negative electrode layer, in which the first portion and the second portion are in contact with each other, the second portion is more sharply bent than the first portion, the first solid electrolyte layer contains a first binder, the second solid electrolyte layer contains a second binder, and the second solid electrolyte layer containing the second binder has higher flexibility than a flexibility of the first solid electrolyte layer containing the first binder.

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.