公开(公告)号：US20200343590A1

公开(公告)日：2020-10-29

申请号：US16924134

申请日：2020-07-08

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA ,  TOSHIRO KUME ,  KENSUKE NAKURA

IPC: H01M10/0567 ,  H01M10/054 ,  H01M10/0568 ,  H01M10/0569 ,  C07D213/16

Abstract: The non-aqueous electrolyte liquid for a magnesium secondary battery according to one aspect of the present disclosure contains a non-aqueous solvent, a magnesium salt, and an aromatic heterocyclic compound which has an aliphatic hydrocarbon group which is a substituent. The aromatic heterocyclic compound includes at least one selected from the group consisting of a nitrogen atom, an oxygen atom, a phosphorus atom, and a sulfur atom as a constituent atom of the ring thereof. The aromatic heterocyclic compound is a non-electrolyte.

公开(公告)号：US20240055654A1

公开(公告)日：2024-02-15

申请号：US18494705

申请日：2023-10-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA ,  YOSHIMASA NAKAMA ,  YUI MASUMOTO

IPC: H01M10/0562 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  C01F17/36

CPC classification number: H01M10/0562 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  C01F17/36 ,  H01M2300/008 ,  H01M2004/028

Abstract: The solid electrolyte material contains a halide solid electrolyte. The halide solid electrolyte contains Li, at least one element selected from the group consisting of metalloids and metal elements other than Li, and at least one element selected from the group consisting of F, Cl, Br, and I. The halide solid electrolyte has a crystallite size greater than or equal to 40 nm.

公开(公告)号：US20190326624A1

公开(公告)日：2019-10-24

申请号：US16364101

申请日：2019-03-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA ,  KENSUKE NAKURA ,  TOSHIRO KUME

IPC: H01M10/056 ,  H01M10/054

Abstract: A nonaqueous electrolyte liquid for an alkaline earth metal secondary battery includes: a nonaqueous solvent: an alkaline earth metal cation; an organic molecule coordinated to the alkaline earth metal cation; and an anion. The organic molecule is a carbonic acid ester, a carboxylic acid ester, a phosphoric acid ester, or a sulfonic acid ester.

公开(公告)号：US20210265663A1

公开(公告)日：2021-08-26

申请号：US17317948

申请日：2021-05-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA ,  MITSUHIRO HIBINO ,  KENSUKE NAKURA

IPC: H01M10/0568 ,  H01M10/054 ,  H01M10/0569 ,  C07F5/04

Abstract: A nonaqueous electrolyte solution for a magnesium secondary battery contains a nonaqueous solvent; a magnesium salt; and an organoboronate complex salt represented by formula (1) below: where R1, R2, R3, and R4 each independently contain a fluoroalkyl group.

公开(公告)号：US20180331392A1

公开(公告)日：2018-11-15

申请号：US15937807

申请日：2018-03-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA ,  NOBUHIKO HOJO ,  HIROTETSU SUZUKI

IPC: H01M10/0569 ,  H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0569 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2300/0034 ,  H01M2300/0037

Abstract: A nonaqueous electrolyte includes a nonaqueous solvent and an alkali metal salt dissolved in the nonaqueous solvent. The nonaqueous solvent contains a polar organic solvent, a perfluoropolyether, and a diester compound represented by a formula R1—O—C(═O)—[—(CF2)—]a—C(═O)—O—R2, where a is an integer of 1 to 4, and each of R1 and R2 represents one selected from the group consisting of an alkyl group having a carbon number of 1 to 4 and a hydrocarbon group which has a carbon number of 1 to 4 and in which at least one hydrogen atom is substituted with fluorine.

公开(公告)号：US20240105936A1

公开(公告)日：2024-03-28

申请号：US18525944

申请日：2023-12-01

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA ,  YOSHIMASA NAKAMA

IPC: H01M4/525 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0562

CPC classification number: H01M4/525 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0562 ,  H01M2004/028

Abstract: A positive electrode material comprises a positive electrode active material containing lithium nickel cobalt manganese oxide having an α-NaFeO2 structure and a solid electrolyte material. The solid electrolyte material contains Li, Ti, M1, and F, and M1 is at least one selected from the group consisting of Ca, Mg, Al, Y, and Zr.

公开(公告)号：US20220246986A1

公开(公告)日：2022-08-04

申请号：US17659774

申请日：2022-04-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOMOFUMI HAMAMURA

IPC: H01M10/0567 ,  H01M10/054 ,  H01M10/0569 ,  H01M10/0568

Abstract: A non-aqueous electrolyte solution for a magnesium secondary battery includes a non-aqueous solvent, a magnesium salt, and an organoaluminum ate complex salt represented by formula (1) below. In formula (1), R1, R2, R3, and R4 are each independently (i) an alkyl group or (ii) an alkyl group with a functional group.

公开(公告)号：US20220246935A1

公开(公告)日：2022-08-04

申请号：US17659762

申请日：2022-04-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： GO TEI ,  TAKASHI OTO ,  TOMOFUMI HAMAMURA

IPC: H01M4/58 ,  H01M4/36 ,  H01M10/054

Abstract: A positive electrode active material contains a composite sulfide containing Mg and at least one element selected from the group consisting of Ti, V, Cr, Mn, Fe, Ni, Cu, Zr, Nb, Mo, Ta, and W. The positive electrode active material has a crystal structure belonging to space group Fm-3m.