公开(公告)号：US20220238891A1

公开(公告)日：2022-07-28

申请号：US17647975

申请日：2022-01-13

Applicant: HONDA MOTOR CO., LTD. ,  SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Kiyoshi TANAAMI ,  Toshimitsu TANAKA ,  Yuji ISOGAI ,  Kazuki OKUNO ,  Akihisa HOSOE ,  Hiroshi TAKEBAYASHI

IPC: H01M4/80 ,  H01M4/66

Abstract: Provided is an electrode including: a current, collector; an electrode material mixture; and an electrode tab, the current collector being a porous metal body having a region A and a region B with a porosity lower than that of the region A, the region A having pores filled with the electrode material mixture, the electrode tab being fixed on the region B, the region A having a subregion A1 and a subregion A2 with a porosity lower than that of the subregion A1, the subregion A2 being more distant from the electrode tab than the subregion A1. Also provided is an electricity storage device including the electrode.

公开(公告)号：US20230261501A1

公开(公告)日：2023-08-17

申请号：US18154873

申请日：2023-01-16

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hideki SAKAI ,  Atsushi SAKURAI ,  Tatsuya HATTORI ,  Yuji ISOGAI

IPC: H02J7/00 ,  H01M10/44 ,  H04N23/56 ,  G06T7/00 ,  H04N7/18 ,  H04N23/57

CPC classification number: H02J7/007188 ,  H01M10/44 ,  H02J7/00032 ,  H04N23/56 ,  G06T7/0002 ,  H04N7/183 ,  H04N23/57 ,  G06T2207/30248 ,  B60R16/023

Abstract: The present invention is to provide a charge/discharge control system and a charge/discharge control method capable of performing, in real time, highly accurate analysis of an internal state of a battery that is actually operating in a vehicle, and capable of performing control on the battery with a high accuracy based on the analysis, for improvement of safety. A battery charge/discharge control system 1 includes: an image acquirer 10 arranged in an inside of a battery 100 configured as a liquid battery, and configured to capture an image of the inside of the battery 100; a transferer 30 configured to transfer data of the image captured by the image acquirer 10 and a control signal; and controllers 14 and 50 configured to perform charge/discharge control on the battery based on the data of the image transferred from the transferer 30.

公开(公告)号：US20220246944A1

公开(公告)日：2022-08-04

申请号：US17581860

申请日：2022-01-22

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Toshimitsu TANAKA ,  Yuji ISOGAI ,  Masahiro OHTA ,  Takuya TANIUCHI

IPC: H01M4/76 ,  H01M4/36

Abstract: Provided is an electrode for lithium ion secondary batteries in which an electrode material mixture is packed in porous metal, which electrode has excellent penetration of electrolyte solution and improved ion diffusivity. The electrode for lithium ion secondary batteries includes a current collector made of porous metal; and an electrode layer including an electrode material mixture including at least an electrode active material, in which the current collector is filled with the electrode material mixture, the current collector has an intermediate region and two surface regions in its thickness direction and m the electrode layer, the intermediate region has a porosity lower than that of the two surface region, and the intermediate region is filled with a first electrode active material, and the two surface regions are filled with a second electrode active material having a particle size larger than that of the first electrode active material.

公开(公告)号：US20220231288A1

公开(公告)日：2022-07-21

申请号：US17578467

申请日：2022-01-19

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Toshimitsu TANAKA ,  Yuji ISOGAI ,  Shintaro AOYAGI ,  Takuya TANIUCHI ,  Toshiyuki ARIGA

IPC: H01M4/38 ,  H01M4/66 ,  H01M4/80

Abstract: To provide a nonaqueous electrolyte secondary battery negative electrode which enables suppressing durability deterioration, improving cycle durability and energy density, and suppressing the rupture of the conductive paths of a current collector comprising a porous metal body in a region which is the boundary between a coated region with an electrode mixture and an uncoated region (electrode mixture boundary region) and a nonaqueous electrolyte secondary battery comprising the same. A nonaqueous electrolyte secondary battery negative electrode, comprising: a current collecting foil; a pair of current collectors disposed in contact with both surfaces of the current collecting foil and comprising 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 comprising a silicon-based material; a skeleton-forming agent containing a silicate having a siloxane bond; a conductive auxiliary; and a binder.

公开(公告)号：US20210111411A1

公开(公告)日：2021-04-15

申请号：US17069841

申请日：2020-10-13

Applicant: HONDA MOTOR CO., LTD. ,  SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Shintaro AOYAGI ,  Hideki SAKAI ,  Kazuki OKUNO ,  Akihisa HOSOE ,  Kikuo SENOO ,  Hiroshi TAKEBAYASHI

IPC: H01M4/66 ,  H01M4/80 ,  H01M4/139 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/02

Abstract: To provide an electrode for lithium ion secondary batteries, and a lithium ion secondary battery made using this electrode for lithium ion secondary batteries, which can sufficiently secure electron conductivity between a foam metal body and an electrode active material in an electrode for lithium ion secondary batteries which establish a foam metal body as the collector, reduce the resistance of a lithium ion secondary batter, and improve the durability.
A carbon layer consisting of carbon material is disposed on a surface of a foam porous body consisting of metal, and used as a collector. More specifically, an electrode for lithium ion secondary batteries includes a collector, and an electrode mixture filled into the collector, in which the collector is made to have a carbon layer consisting of carbon material on a surface of a foam porous body consisting of metal.

公开(公告)号：US20210111398A1

公开(公告)日：2021-04-15

申请号：US17070935

申请日：2020-10-15

Applicant: HONDA MOTOR CO., LTD. ,  SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Shintaro AOYAGI ,  Hideki SAKAI ,  Kazuki OKUNO ,  Akihisa HOSOE ,  Kikuo SENOO ,  Hiroshi TAKEBAYASHI

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/80 ,  H01M4/66 ,  H01M2/16

Abstract: To provide an electrode for lithium ion secondary batteries, and a lithium ion secondary battery made using this electrode for lithium ion secondary batteries, which can suppress an increase in electron resistance of a current collector area, and improve heat dissipation, in an electrode for lithium ion secondary batteries establishing a foam metal body as the collector.
In the electrode for lithium ion secondary batteries made using a foam porous body consisting of metal as a current collector, the electrode shape is rectangular, and a current collector region is made to span at least two adjacent sides.