公开(公告)号：US20220328869A1

公开(公告)日：2022-10-13

申请号：US17842587

申请日：2022-06-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kenji NAGAO ,  Yuta SUGIMOTO ,  Tatsuya OSHIMA ,  Kenta NAGAMINE ,  Akinobu MIYAZAKI ,  Seiji NISHIYAMA

IPC: H01M10/0562 ,  H01M4/66 ,  H01M4/36

Abstract: A battery including a first and second electrode layer, and an electrolyte layer including a first solid electrolyte material. The battery satisfies (A), (B), (C), or (D). (A) The current collector layer has, in at least a partial region thereof, a copper content of less than 50 mass %. (B) At least one selected from the group of the current collector layer and an electrode lead has, in at least a partial region thereof, a copper content of less than 50 mass %. (C) At least one selected from the group of the current collector layer and an exterior body has, in at least a partial region thereof, a copper content of less than 50 mass %. (D) at least one selected from the group of the current collector layer, the electrode lead, and the exterior body has, in at least a partial region thereof, a copper content of less than 50 mass %.

公开(公告)号：US20230090463A1

公开(公告)日：2023-03-23

申请号：US18058602

申请日：2022-11-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Masaki HIRASE ,  Shuji ITO ,  Seiji NISHIYAMA ,  Kunihiko MINEYA ,  Tadaaki MATSUMURA ,  Yusuke ITO

IPC: H01M4/583 ,  H01M4/42 ,  H01M4/04

Abstract: A battery of the present disclosure includes a positive electrode, a negative electrode including graphite and zinc, and a solid electrolyte layer positioned between the positive electrode and the negative electrode. A ratio of a mass of zinc to a sum of a mass of graphite and the mass of zinc in the negative electrode is 10 mass % or more and 60 mass % or less. The above ratio may be 20 mass % or more and 40 mass % or less.

公开(公告)号：US20230080649A1

公开(公告)日：2023-03-16

申请号：US18058598

申请日：2022-11-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Masaki HIRASE ,  Shuji ITO ,  Seiji NISHIYAMA ,  Kunihiko MINEYA ,  Tadaaki MATSUMURA ,  Yusuke ITO

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/38 ,  H01M4/485

Abstract: 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, wherein the negative electrode includes a negative electrode current collector and a negative electrode active material layer, the negative electrode active material layer includes a plurality of silicon layers and a plurality of lithium silicate layers, and the silicon layer and the lithium silicate layer are alternately stacked.

公开(公告)号：US20220294012A1

公开(公告)日：2022-09-15

申请号：US17831097

申请日：2022-06-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yusuke NISHIO ,  Seiji NISHIYAMA ,  Yoshiaki TANAKA ,  Akinobu MIYAZAKI

IPC: H01M10/0562 ,  H01M10/052 ,  C01B11/18

Abstract: A solid electrolyte composition of the present disclosure includes: a solid electrolyte material including an oxygen element and a halogen element; and an organic solvent. The organic solvent includes at least one selected from the group consisting of a halogen-group-containing compound and a hydrocarbon. The solid electrolyte material includes at least one selected from the group consisting of Zn, Sn, Al, Sc, Ga, Bi, Sb, Zr, Hf, Ti, Ta, Nb, W, Y, Gd, Tb, and Sm.

公开(公告)号：US20220393168A1

公开(公告)日：2022-12-08

申请号：US17888055

申请日：2022-08-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kenta NAGAMINE ,  Izuru SASAKI ,  Seiji NISHIYAMA

IPC: H01M4/583 ,  H01M4/58

Abstract: A positive electrode material of the present disclosure includes: a material represented by the following composition formula (1); and a carbon material capable of occluding at least one selected from the group consisting of a simple substance of halogen and a halide, LiaMbXc . . . Formula (1) where a, b, and c are each a value greater than 0, M includes at least one selected from the group consisting of metal elements other than Li and metalloid elements, and X includes a halogen element.