公开(公告)号：US20240297348A1

公开(公告)日：2024-09-05

申请号：US18585076

申请日：2024-02-23

Applicant: HONDA MOTOR CO., LTD.

Inventor： Makiko TAKAHASHI

IPC: H01M10/0583 ,  H01M4/02 ,  H01M4/38 ,  H01M10/052

CPC classification number: H01M10/0583 ,  H01M4/382 ,  H01M10/052 ,  H01M2004/027

Abstract: Provided is a solid battery comprising an electrode laminate including a porous substrate having a meandering shape, wherein the porous substrate includes adjacent flat portions that are connected by folded portions that are interposed therebetween, the flat portions each include a solid electrolyte layer that is filled with a solid electrolyte, and in the electrode laminate, each of the flat portions has a positive electrode disposed on one surface thereof and a negative electrode disposed on the other surface thereof, the positive electrode including a positive electrode current collector sandwiched between positive electrode mixture layers, the negative electrode including a negative electrode current collector sandwiched between negative electrode mixture layers.

公开(公告)号：US20220013783A1

公开(公告)日：2022-01-13

申请号：US17368764

申请日：2021-07-06

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Makiko TAKAHASHI ,  Tomohiro KINOSHITA ,  Shintaro AOYAGI ,  Yuji ISOGAI ,  Takashi MUKAI ,  Yuta IKEUCHI ,  Taichi SAKAMOTO ,  Naoto YAMASHITA

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/38 ,  H01M4/139

Abstract: An object is to provide a non-aqueous electrolyte secondary battery negative electrode that can suppress a deterioration in durability and improve energy density, and a non-aqueous electrolyte secondary battery including the same. A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in pores of the porous metal body, wherein the negative electrode material comprises a negative electrode active material formed of a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductivity aid, and a binder.

公开(公告)号：US20210257627A1

公开(公告)日：2021-08-19

申请号：US17167105

申请日：2021-02-04

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Makiko TAKAHASHI ,  Shintaro AOYAGI

IPC: H01M4/80 ,  H01M4/66 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/587

Abstract: Provided is an electrode including a metal foam as a current collector for obtaining a lithium-ion secondary battery having a high energy density. More particularly, provided is a lithium-ion secondary battery electrode that achieves improved input/output properties (power density) and improved durability, and a lithium-ion secondary battery including the lithium-ion secondary battery electrode. An electrode is formed by providing, in an electrode layer, a region having an excessive amount of an electrolytic solution by forming a region where a current collector made of a metal foam contains no electrode material mixture.

公开(公告)号：US20210288328A1

公开(公告)日：2021-09-16

申请号：US17194322

申请日：2021-03-08

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Makiko TAKAHASHI ,  Shintaro AOYAGI

IPC: H01M4/66 ,  H01M10/0525

Abstract: To provide an electrode for a lithium ion secondary battery being an electrode for obtaining a lithium ion secondary battery including a foamed metal as a current collector and having a high energy density, and further capable of improving durability and input/output characteristics (output density), and a lithium ion secondary battery using the electrode for a lithium ion secondary battery.
A porous coating layer is disposed on an electrode layer of the electrode for a lithium ion secondary battery using a current collector made of a foamed metal, an electrolytic solution extruded from the electrode layer due to expansion of a negative electrode active material can be absorbed and trapped in the coating layer.

公开(公告)号：US20210288323A1

公开(公告)日：2021-09-16

申请号：US17196985

申请日：2021-03-09

Applicant: HONDA MOTOR CO., LTD.

Inventor： Makiko TAKAHASHI ,  Tomohiro KINOSHITA ,  Kiyoshi TANAAMI ,  Shintaro AOYAGI ,  Takashi MUKAI ,  Yuta IKEUCHI ,  Taichi SAKAMOTO ,  Naoto YAMASHI TA

IPC: H01M4/58

Abstract: An object is to provide a non-aqueous electrolyte secondary battery negative electrode material which can improve a battery life as compared with a conventional one, a non-aqueous electrolyte secondary battery negative electrode including such a negative electrode material and a non-aqueous electrolyte secondary battery including such a negative electrode. A non-aqueous electrolyte secondary battery negative electrode material that includes a negative electrode active material formed of a silicon-based material a skeleton-forming agent including a silicate having a siloxane bond and an interface layer formed in an interface between the negative electrode active material and the skeleton-forming agent and formed of an inorganic material, a non-aqueous electrolyte secondary battery negative electrode including it and a non-aqueous electrolyte secondary battery are provided.

公开(公告)号：US20210257622A1

公开(公告)日：2021-08-19

申请号：US17163584

申请日：2021-02-01

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Makiko TAKAHASHI ,  Shintaro AOYAGI

IPC: H01M4/66 ,  H01M4/36 ,  H01M10/0525 ,  H01M50/54

Abstract: Provided are an electrode for lithium ion secondary batteries which is an electrode for obtaining a lithium ion secondary batteries having high energy density with foam metal as the collector, and further being able to improve durability and input/output characteristics (output density), as well as a lithium ion secondary battery made using this electrode for lithium ion secondary batteries. The electrode layer of the electrode for lithium ion secondary batteries using a collector consisting of foam metal is configured by dividing into a plurality of electrode divided parts, whereby the migration distance of electrons and migration distance of ions in each of the electrode divided parts is shortened.