公开(公告)号：US20250158226A1

公开(公告)日：2025-05-15

申请号：US18833083

申请日：2023-01-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Chisaki Hasegawa ,  Yukihiro Oki ,  Atsuro Shirakami ,  Kazuko Asano

IPC: H01M50/429 ,  H01M4/525 ,  H01M10/0525 ,  H01M50/403 ,  H01M50/417 ,  H01M50/451 ,  H01M50/457 ,  H01M50/46 ,  H01M50/489

Abstract: A separator for a secondary battery including a porous substrate having a first surface and a second surface opposite the first surface, and a polysaccharide attached to pore inner walls of the porous substrate. The polysaccharide has a carboxyl group.

公开(公告)号：US20250055128A1

公开(公告)日：2025-02-13

申请号：US18722065

申请日：2022-11-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Chisaki Hasegawa ,  Yukihiro Oki ,  Atsuro Shirakami ,  Kazuko Asano

IPC: H01M50/411 ,  H01M4/02 ,  H01M4/525 ,  H01M50/403 ,  H01M50/449

Abstract: Disclosed is a separator for a secondary battery, including: a porous substrate having a first surface a second surface located opposite to the first surface; and a polysaccharide attached to the porous substrate, wherein the polysaccharide has a sulfo group.

公开(公告)号：US20230275220A1

公开(公告)日：2023-08-31

申请号：US18014842

申请日：2021-08-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: H01M4/38

CPC classification number: H01M4/386 ,  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 cerium atom, and the plurality of the second atoms include 8 or more and 17 or less silicon atoms.

公开(公告)号：US20150188131A1

公开(公告)日：2015-07-02

申请号：US14406726

申请日：2013-12-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Toshiro Kume ,  Takashi Kouzaki ,  Satoru Ohuchi ,  Kazuko Asano ,  Yuta Sugimoto ,  Emiko Igaki

IPC: H01M4/485 ,  H01M4/58 ,  H01M10/0525

CPC classification number: H01M4/485 ,  C01B25/45 ,  H01M4/5825 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2220/30 ,  Y02T10/7011

Abstract: An active material, for a lithium ion secondary battery, capable of suppressing deposition of lithium metal is provided. The active material for a lithium ion secondary battery has a composition represented by LiZnP(x)V(1-x)O4 (O

Abstract translation: 提供了能够抑制锂金属的沉积的锂离子二次电池用活性物质。 用于锂离子二次电池的活性材料具有由LiZnP（x）V（1-x）O4（O

公开(公告)号：US20250140820A1

公开(公告)日：2025-05-01

申请号：US18681201

申请日：2022-06-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: H01M4/38 ,  H01M4/02 ,  H01M4/134 ,  H01M10/0525

Abstract: The negative electrode active material is represented by general formula M3Me2X7 (where: M includes La and/or Ca; Me includes at least one element selected from the group consisting of Mn, Ni, Fe and Co; X includes at least one element selected from the group consisting of Ge, Si, Sn, and Al). The dislocation density of the negative electrode active material is at least 1×1015 cm−2.

公开(公告)号：US20240282946A1

公开(公告)日：2024-08-22

申请号：US18681158

申请日：2022-06-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

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

IPC: H01M4/38 ,  C22C1/02 ,  C22C13/00 ,  H01M4/02 ,  H01M4/134 ,  H01M10/0525

CPC classification number: H01M4/387 ,  C22C1/02 ,  C22C13/00 ,  H01M4/134 ,  H01M10/0525 ,  H01M2004/027

Abstract: A negative electrode active material is represented by general formula M3Me2X7 (wherein M comprises at least one of La and Ca; Me comprises at least one element that is selected from the group consisting of Mn, Ni, Fe and Co; and X comprises at least one element that is selected from the group consisting of Ge, Si, Sn, and Al). With respect to the XRD pattern obtained by XRD measurement wherein Cu is used for an anticathode, the half-value width of the diffraction peak of the (1 171) plane of the negative electrode active material is 0.4713° or more.

公开(公告)号：US11271204B2

公开(公告)日：2022-03-08

申请号：US16984877

申请日：2020-08-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Jin Zhang ,  Kazuko Asano ,  Mitsuhiro Hibino ,  Kensuke Nakura

IPC: H01M4/58 ,  H01M10/05 ,  C01G49/00 ,  H01M4/02

Abstract: Provided is an active material for a fluoride-ion secondary battery, the active material containing a composite fluoride. The composite fluoride has a layered structure and is represented by a composition formula AmMnFx, where A is an alkali metal, M is a transition metal, 0

公开(公告)号：US10811685B2

公开(公告)日：2020-10-20

申请号：US15814571

申请日：2017-11-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akira Kano ,  Kazuko Asano ,  Tsuyoshi Ichinose

IPC: H01M4/58 ,  H01M10/052 ,  H01M10/0525 ,  H01M4/02

Abstract: A negative electrode active material contains a lithium-containing transition metal oxynitride having a crystal structure belonging to the space group Fm3m. An electrochemical device includes a negative electrode which contains a negative electrode active material containing a lithium-containing transition metal oxynitride having a crystal structure belonging to the space group Fm3m; a positive electrode; and an electrolyte.

公开(公告)号：US10403891B2

公开(公告)日：2019-09-03

申请号：US15003163

申请日：2016-01-21

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuko Asano ,  Kensuke Nakura

IPC: H01M4/485 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  C01G53/00 ,  H01M4/04 ,  H01M4/1391 ,  H01M10/0525 ,  H01M10/0569

Abstract: A positive electrode material includes an active material represented by Li2Mn(1−2x)NixMoxO3 (where 0