公开(公告)号：US20220209243A1

公开(公告)日：2022-06-30

申请号：US17442441

申请日：2020-03-03

Applicant: TOYO KOHAN CO., LTD.

Inventor： Michio KAWAMURA ,  Shinichiro HORIE ,  Etsuro TSUTSUMI ,  Koh YOSHIOKA

IPC: H01M4/66 ,  C25D5/12 ,  C25D7/00 ,  C25D5/50 ,  H01M10/30

Abstract: The present invention has as its object the provision of a surface-treated sheet for an alkaline secondary battery, which has gas evolution suppressing effect and also has resistance to an alkaline electrolyte solution. A surface-treated sheet 100 of the present invention for an alkaline secondary battery has a base material 10, and a metal layer 20 formed on at least one side of the base material 10. The metal layer 20 includes an alloy layer 20M that contains Ni and Zn, the alloy layer includes a first region 20A in which a proportion of Ni is 60% to 85% based on a total content of Ni and Zn, and the first region 20A has a thickness of 0.15 μm or greater.

公开(公告)号：US20200035960A1

公开(公告)日：2020-01-30

申请号：US16498741

申请日：2018-03-30

Applicant: TOYO KOHAN CO., LTD.

Inventor： Yuji NAKANO ,  Daisuke MATSUSHIGE ,  Koh YOSHIOKA

IPC: H01M2/02 ,  C25D5/50 ,  C25D5/12 ,  C23C8/16

Abstract: A surface-treated metal plate including: a metal plate; and a nickel-cobalt binary alloy layer formed on the metal plate. When a part having a content ratio of oxygen atoms of 5 atomic % or more as measured by X-ray photoelectron spectroscopic analysis is an oxide coating film, the nickel-cobalt binary alloy layer contains the oxide coating film with a thickness of 0.5 to 30 nm on a surface thereof, and when a pressure cooker test including temperature increasing, retention for 72 hours under a water-vapor atmosphere at a temperature of 105° C. and a relative humidity of 100% RH, and temperature decreasing is performed, the amount of increase in the thickness of the oxide coating film is 28 nm or less.

公开(公告)号：US20180145286A1

公开(公告)日：2018-05-24

申请号：US15876894

申请日：2018-01-22

Applicant: TOYO KOHAN CO., LTD.

Inventor： Shinichirou HORIE ,  Tatsuo TOMOMORI ,  Koh YOSHIOKA

IPC: H01M2/02 ,  C25D5/50 ,  C23C10/28 ,  C23F17/00 ,  H01M10/05

CPC classification number: H01M2/0287 ,  C23C10/28 ,  C23F17/00 ,  C25D5/50 ,  H01M2/0285 ,  H01M10/05 ,  Y10T428/12438

Abstract: A surface-treated steel sheet for battery containers is provided. The surface-treated sheet is used to form a battery container for a battery. The battery uses a nonaqueous electrolytic solution as an electrolytic solution. The surface-treated steel sheet includes a base material made of steel and an iron-nickel diffusion layer formed by performing thermal diffusion treatment after forming a nickel plating layer at least on a surface of the base material to be located at the inner surface side of the battery container. The iron-nickel diffusion layer has an outermost layer of which a ratio of Ni and Fe is 7.5 or less as a molar ratio of Ni/Fe. The iron-nickel diffusion layer has a thickness of 0.6 μm or more.

公开(公告)号：US20160168657A1

公开(公告)日：2016-06-16

申请号：US14908473

申请日：2014-04-18

Applicant: TOYO KOHAN CO., LTD.

Inventor： Shinichirou HORIE ,  Koh YOSHIOKA ,  Kazuhiko ISHIHARA

IPC: C21D9/46 ,  C25D3/12 ,  C25D5/36 ,  C25D5/50 ,  C22C38/00 ,  C21D6/00 ,  C21D1/26 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C25D3/56 ,  C22F1/10

CPC classification number: C21D9/46 ,  B32B15/011 ,  B32B15/015 ,  C21D1/26 ,  C21D6/005 ,  C21D6/008 ,  C22C38/00 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22F1/10 ,  C23C10/02 ,  C23C10/28 ,  C25D3/12 ,  C25D3/562 ,  C25D5/36 ,  C25D5/50 ,  H01M2/0285 ,  H01M2/0287 ,  H01M6/04 ,  H01M2220/10 ,  H01M2220/30

Abstract: Provided is a method for producing a surface-treated steel sheet for battery containers including: a first process of forming an iron-nickel alloy plating layer on at least one side of a steel sheet; a second process of forming a nickel plating layer on the iron-nickel alloy plating layer; and a third process of performing a thermal treatment after forming the nickel plating layer to form an iron-nickel alloy layer having an outermost surface, at which a content ratio of Fe atoms is 12 to 55% by atom, on an outermost layer by thermal diffusion. The invention makes it possible to provide the method for producing the surface-treated steel sheet for battery containers that can suppress the elution of iron inside the battery when being used for a battery container, whereby the service life of the battery can be extended and battery characteristics such as discharge characteristics can be improved.

Abstract translation: 本发明提供一种电池容器用表面处理钢板的制造方法，其特征在于，包括：在钢板的至少一面形成铁镍合金镀层的第一工序; 在铁镍合金镀层上形成镍镀层的第二工序; 以及在形成镍镀层之后进行热处理以形成具有最外表面的铁镍合金层的第三工艺，Fe原子的含量比为12〜55原子％，最外层为热 扩散。 本发明使得可以提供用于生产用于电池容器的表面处理钢板的方法，该方法可以在用于电池容器时抑制电池内部的铁的溶出，从而可以延长电池的使用寿命和电池 可以提高放电特性等特性。

公开(公告)号：US20230340685A1

公开(公告)日：2023-10-26

申请号：US18215740

申请日：2023-06-28

Applicant: TOYO KOHAN CO., LTD.

Inventor： Hiroki YANAGA ,  Shinichirou HORIE ,  Etsuro TSUTSUMI ,  Masashi ICHISHIMA ,  Toshifumi KOYANAGI ,  Koh YOSHIOKA

IPC: C25D5/16 ,  B32B15/01 ,  C25D5/12

CPC classification number: C25D5/16 ,  B32B15/013 ,  B32B15/017 ,  C25D5/12 ,  B32B2307/538

Abstract: A roughened plated sheet including a roughened plated layer having a roughened nickel plated layer and a zinc plated layer formed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 μm or more, and the metal substrate is a steel sheet.

公开(公告)号：US20220282388A1

公开(公告)日：2022-09-08

申请号：US17630274

申请日：2020-07-27

Applicant: TOYO KOHAN CO., LTD.

Inventor： Shinichirou HORIE ,  Etsuro TSUTSUMI ,  Toshifumi KOYANAGI ,  Shunki OBATA ,  Michio KAWAMURA ,  Koh YOSHIOKA ,  Naoharu HARADA ,  Tsuyoshi IRIE ,  Yonosuke YOSHII

IPC: C25D3/12 ,  C25D5/48 ,  C25D5/00

Abstract: [Object]
To provide a roughened nickel-plated material in which the formation unevenness such as generation of the unevenness or grooves in a roughened nickel plated layer is restrained.
[Solving Means]
A roughened nickel-plated material including a base material that is a rolled material, and a roughened nickel plated layer formed on at least one surface of the base material, in which SRzjis of the surface of the roughened nickel plated layer is equal to or more than 2 μm, and, letting a maximum height of the roughened nickel plated layer be SRz, a valley region B in a given virtual planer region A as observed at a height position of SRz×0.25 satisfies the following (i). (i) The length of the valley region B in the rolling direction RD of the base material is less than 40 μm in a direct distance.

公开(公告)号：US20220235483A1

公开(公告)日：2022-07-28

申请号：US17596362

申请日：2020-06-10

Applicant: TOYO KOHAN CO., LTD.

Inventor： Hiroki YANAGA ,  Shinichirou HORIE ,  Etsuro TSUTSUMI ,  Masashi ICHISHIMA ,  Toshifumi KOYANAGI ,  Koh YOSHIOKA

IPC: C25D5/16 ,  B32B15/01 ,  C25D5/12

Abstract: Provided is a roughened plated sheet comprising a roughened plated layer having a roughened nickel plated layer and a zinc plated layer famed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 μm or more.

公开(公告)号：US20210151824A1

公开(公告)日：2021-05-20

申请号：US17162667

申请日：2021-01-29

Applicant: TOYO KOHAN CO., LTD.

Inventor： Kota SADAKI ,  Koh YOSHIOKA

IPC: H01M50/124 ,  C25D7/00 ,  C23C28/02 ,  C23C10/20 ,  C23C10/30 ,  C23C10/02 ,  C23C10/18 ,  C23C10/28 ,  C25D5/48 ,  B32B15/04 ,  C23C10/08 ,  C23C30/00 ,  B32B15/18 ,  B32B15/01 ,  C23C10/60 ,  H01M50/10 ,  H01M50/107 ,  H01M50/116 ,  H01M50/213 ,  C25D5/50 ,  C25D3/12

Abstract: A surface-treated steel sheet for a battery container includes a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer foamed on the iron-nickel diffusion layer and constituting the outermost layer. When the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference (D2−D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 μm; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 10.8 to 26.7 g/m2.

公开(公告)号：US20180366691A1

公开(公告)日：2018-12-20

申请号：US15780862

申请日：2016-12-05

Applicant: TOYO KOHAN CO., LTD.

Inventor： Kota SADAKI ,  Koh YOSHIOKA

IPC: H01M2/02 ,  C25D5/50 ,  C25D3/12

Abstract: A nickel-plated heat-treated steel sheet for a battery can, having a nickel layer with a nickel amount of 4.4 to 26.7 g/m2 on a steel sheet. When the Fe intensity and the Ni intensity are continuously measured along the depth direction from the surface of the nickel-plated heat-treated steel sheet for a battery can, by using a high frequency glow discharge optical emission spectrometric analyzer, the difference between the depth at which the Fe intensity exhibits a first predetermined value and the depth at which the Ni intensity exhibits a second predetermined value is less than 0.04 μm.

公开(公告)号：US20160211489A1

公开(公告)日：2016-07-21

申请号：US15011331

申请日：2016-01-29

Applicant: TOYO KOHAN CO., LTD.

Inventor： Koh YOSHIOKA ,  Shinichirou HORIE ,  Kazuhiko ISHIHARA

IPC: H01M2/02 ,  B32B15/01 ,  C25D7/00 ,  C25D5/50 ,  C25D3/12

CPC classification number: H01M2/0292 ,  B32B15/011 ,  C25D3/12 ,  C25D3/562 ,  C25D5/36 ,  C25D5/50 ,  C25D7/00 ,  C25D7/0614 ,  H01M2/026 ,  H01M2/0285 ,  H01M2/0287 ,  H01M2/0295 ,  H01M2220/30

Abstract: Provided is a surface-treated steel sheet for battery containers (100) that is obtained in such a manner that after iron-nickel alloy plating is performed on a steel sheet (10), a thermal treatment is performed and is characterized in that an outermost layer is an iron-nickel alloy layer (20), and the iron-nickel alloy layer (20) has an average crystal size of 1 to 8 μm at the outermost surface thereof. The present invention makes it possible to provide the surface-treated steel sheet for battery containers that can suppress the elution of iron inside the battery when being used for a battery container, whereby the service life of the battery can be extended and battery characteristics such as discharge characteristics is improved, and to provide a battery container and a battery that can be obtained using the surface-treated steel sheet for battery containers.

Abstract translation: 本发明提供一种电池容器（100）的表面处理钢板，其特征在于，在对钢板（10）进行铁镍合金镀后，进行热处理，其特征在于， 层是铁 - 镍合金层（20），铁 - 镍合金层（20）的最外表面的平均晶体尺寸为1〜8μm。 本发明使得可以提供一种用于电池容器的表面处理钢板，其可以抑制在用于电池容器时电池内部的铁的溶出，从而可以延长电池的使用寿命，并且电池特性如 放电特性得到改善，并且提供可以使用电池容器的表面处理钢板获得的电池容器和电池。