公开(公告)号：US20230101615A1

公开(公告)日：2023-03-30

申请号：US17801190

申请日：2021-02-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M10/44 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H02J7/00

Abstract: This charging method is A method for charging a nonaqueous electrolyte secondary cell containing a lithium-rich positive-electrode active material. When constant-current charging is performed to a predetermined voltage V2 which is equal to or higher than a setting voltage V1, and then constant-current discharging is performed to a predetermined voltage V3, V3

公开(公告)号：US20230096005A1

公开(公告)日：2023-03-30

申请号：US17801191

申请日：2021-02-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takanori Omae ,  Ryuichi Natsui ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/525 ,  H01M4/485 ,  H01M4/505 ,  H01M10/0525

Abstract: This positive electrode active material for nonaqueous electrolyte secondary batteries contains a lithium transition metal composite oxide. This lithium transition metal composite oxide is represented by general formula LixMnyNizMe2-x-y-zOaFb (wherein 1≤x≤1.2; 0.4≤y≤0.7; 0.1≤z≤0.4; 0

公开(公告)号：US20230071732A1

公开(公告)日：2023-03-09

申请号：US17798965

申请日：2021-02-10

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Ryuichi Natsui ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/525 ,  H01M4/485 ,  H01M4/505 ,  H01M50/46 ,  H01M10/0525

Abstract: This positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium transition metal composite oxide represented by the composition formula LixMnyNizALaMbO2-cFc (in the formula, M represents at least two elements selected from Ti, Co, Si, Sr, Nb, W, Mo, P, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K, and Bi; 1.0

公开(公告)号：US20230044513A1

公开(公告)日：2023-02-09

申请号：US17786855

申请日：2020-10-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Issei Ikeuchi ,  Mitsuhiro Hibino

IPC: H01M4/58 ,  H01M4/525 ,  C01G53/00

Abstract: This positive electrode active material for a non-aqueous electrolyte secondary battery contains a lithium-transition metal composite compound. The lithium-transition metal composite compound is represented by general formula LixMnyNizMeαOaFb (in the formula, 1≤x≤1.2, 0.4≤y≤0.8; 0≤z≤0.4, x+y+z=2, 0

公开(公告)号：US12230795B2

公开(公告)日：2025-02-18

申请号：US17475461

申请日：2021-09-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Mitsuhiro Hibino ,  Youshin Lee

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/36 ,  H01M10/36 ,  H01M4/46 ,  H01M10/054

Abstract: A positive-electrode active material for a magnesium secondary battery contains a composite oxide represented by the following composition formula: M1xM2yO2, where M1 is sodium, M2 is nickel and manganese, and 0

公开(公告)号：US20240208840A1

公开(公告)日：2024-06-27

申请号：US18288487

申请日：2022-04-28

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hiroki Saito ,  Shogo Esaki ,  Mitsuhiro Hibino

IPC: C01G45/12 ,  H01M4/02 ,  H01M4/36 ,  H01M4/505

CPC classification number: C01G45/1228 ,  H01M4/364 ,  H01M4/505 ,  C01P2002/20 ,  C01P2002/70 ,  C01P2006/40 ,  H01M2004/028

Abstract: A composite oxide comprising lithium and a transition metal, wherein at least a portion of the composite oxide has a crystal lattice of a hexagonal lattice, and an electron beam diffraction image obtained by irradiating an electron beam from a direction includes a first diffraction spot group and a second diffraction spot group, n being an integer of 1 or more, the first diffraction spot group has a {−3 1 8/n} spot and a {1 2 2/n} spot that appear in correspondence with a period of a unit lattice of the hexagonal lattice, and the second diffraction spot group has six spots that appear between a central {0 0 0} spot and the {−3 1 8/n} spot with a 1/7 period, and six spots that appear between the central {0 0 0} spot and the {1 2 2/n} spot with a 1/7 period.

公开(公告)号：US20240021813A1

公开(公告)日：2024-01-18

申请号：US18267359

申请日：2021-12-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shogo Esaki ,  Ryuichi Natsui ,  Junko Matsushita ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/525 ,  H01M4/505 ,  H01M4/58 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/0525

CPC classification number: H01M4/525 ,  H01M4/505 ,  H01M4/582 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/0525 ,  H01M2004/027

Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries according to one embodiment of the present invention contains a lithium transition metal composite oxide which is represented by composition formula LixMnyNizTiaMbO2-cFc (wherein M represents at least one element that is selected from among P, Co, Si, Sr, Nb, W, Mo, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K, Bi and Al; 1.0

公开(公告)号：US20230402594A1

公开(公告)日：2023-12-14

申请号：US18028364

申请日：2021-09-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryuichi Natsui ,  Junko Matsushita ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/505 ,  H01M4/1315 ,  H01M4/525 ,  C01G53/00

CPC classification number: H01M4/505 ,  H01M4/1315 ,  H01M2004/028 ,  C01G53/50 ,  H01M4/525

Abstract: This positive electrode active material for nonaqueous electrolyte secondary batteries contains a lithium transition metal composite oxide that is represented by composition formula LixMnyNizPaMbO2-cFc(wherein M represents at least one element that is selected from among Ti, Co, Si, Sr, Nb, W, Mo, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K and Bi; 1.0

公开(公告)号：US20230378451A1

公开(公告)日：2023-11-23

申请号：US18029213

申请日：2021-09-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Jin Zhang ,  Issei Ikeuchi ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/505 ,  C01G45/12

CPC classification number: H01M4/505 ,  C01G45/1214 ,  H01M2004/028

Abstract: A positive electrode active material for a secondary battery includes a lithium metal composite oxide having a crystal structure based on a rock salt structure belonging to a space group Fm-3m, wherein the lithium metal composite oxide includes Cu and a transition metal element M1 other than Li and Cu. The lithium metal composite oxide is preferably represented by a composition formula LiaMnbCucA2dO2-eFe (where A2 is at least one element excluding Li, Mn, Cu, O, and F, and 0

公开(公告)号：US20230335726A1

公开(公告)日：2023-10-19

申请号：US18023209

申请日：2021-08-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuko Asano ,  Yukihiro Oki ,  Nanami Takeda ,  Mitsuhiro Hibino

IPC: H01M4/38 ,  H01M4/134 ,  C22C30/00

CPC classification number: H01M4/386 ,  H01M4/134 ,  C22C30/00 ,  H01M2004/027

Abstract: A negative electrode active material for a secondary battery includes an intermetallic compound having a cage structure. The cage structure is constituted of at least one first atom located within a cage, and a plurality of second atoms arranged in a cage-like form so as to surround the first atom. The first atom is a zirconium atom, and the plurality of the second atoms include 8 or more and 16 or less silicon atoms.