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：US20220246904A1

公开(公告)日：2022-08-04

申请号：US17585585

申请日：2022-01-27

Applicant: HONDA MOTOR CO., LTD.

Inventor： Toshimitsu TANAKA ,  Kiyoshi TANAAMI ,  Takashi MUKAI ,  Yuta IKEUCHI ,  Taichi SAKAMOTO ,  Naoto YAMASHITA

IPC: H01M4/134 ,  H01M4/62 ,  H01M4/66

Abstract: To provide a negative electrode for nonaqueous electrolyte secondary batteries, by which the structural deterioration of the electrode is suppressed and cycle characteristics can be improved by absorbing the expansion and contraction of a silicon-based active material placed in the inside of a current collector made of porous metal, and a nonaqueous electrolyte secondary battery including the same. A negative electrode for nonaqueous electrolyte secondary batteries, having a current collector made of porous metal, and a negative electrode material placed in pores of the porous metal, the negative electrode material including a negative electrode active material including a silicon-based material; a skeleton forming agent including a silicate having a siloxane bond; a conductive additive; a binder; and a fibrous material.

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.