Toyo Kohan Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Toyo Seikan Kaisha, Ltd.

Etsuro Tsutsumi

Koh Yoshioka

Shinichirou Horie

Toshifumi Koyanagi

Michio Kawamura

Shinichi Taya

Masashi Ichishima

Masahiro Kai

Hiroki Yanaga

Shunki Obata

Yuma Yoshizaki

Hajime Hasegawa

Kota Sadaki

Shigetaka Nagamatsu

Junichi Tanabe

Hidekazu Tomaru

Norihito Saiki

Satoko Harada

Hiroshi Doi

Yonosuke Yoshii

Tsuyoshi Irie

Naoharu Harada

Kyoko Takano

Misato Ueno

Keishi Katsura

Shinichiro Horie

An electrolytic foil and a battery current collector is provided in which the risk of breakage or tearing during manufacturing presented by reduced thickness can be restrained, and which possess sufficient strength for repeated charging and discharging in a secondary battery. The electrolytic foil and the battery current collector contain a Ni—Fe alloy layer, having a thickness of 1.5 to 10 μm and having a first surface and a second surface and wherein the value of a three-dimensional surface properties parameter Sv divided by the thickness is equal to or less than 0.5 for the first surface and the second surface.

Electrolytic foil and battery current collector

A roughened nickel-plated sheet including a roughened nickel layer on at least one surface of a metal substrate as the outermost layer thereof, the roughened nickel layer being formed of a plurality of nickel protrusions. When the structure of the roughened nickel-plated sheet is observed at height positions with a focused ion beam scanning electron microscope (FIB-SEM), the absolute value of the change rate of the nickel occupancy is equal to or less than a predetermined value, and the nickel occupancy and the number of nickel protrusions present at a height position located 2.0 μm from the base position of the roughened nickel layer toward the surface in the height direction are equal to or more than predetermined values, respectively.

Roughened nickel-plated sheet

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 Rzof 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.

Roughened plated sheet

[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.

Roughened nickel-plated material and method for manufacturing same

Provided is a sulfide all-solid battery having an anode current collector of powerful adhesiveness which is difficult to be sulfurized. The sulfide all-solid-state battery including: a cathode layer; an anode layer; and a sulfide solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer has an anode mixture layer, and an anode current collector on a face of the anode mixture layer, the face being on an opposite side of the sulfide solid electrolyte layer, the anode current collector is electrolytic iron foil that does not substantially contain other elements, and the anode current collector has surface roughness Ra of 0.2 μm to 0.6 μm, and surface roughness Rz of 2 μm to 6 μm.

Sulfide all-solid-state battery

There is provided a roughened nickel-plated sheet having a roughened nickel layer as an outermost surface layer on at least one surface of a metal base material, wherein the brightness L* of the surface of the roughened nickel layer is 30 to 50, the glossiness of 85&#xb0; of the surface of the roughened nickel layer is 1.5 to 50.

Provided is a roughened plated sheet comprising 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 Rzof a surface of the roughened plated layer, according to laser microscope measurement, is 3 &#x3bc;m or more.

Provided is a container-use surface treated steel sheet which is manufactured without using chromium and exhibits excellent working adhesion with a coated organic resin, a method of manufacturing the container-use surface treated steel sheet, an organic resin coated surface treated steel sheet. The container-use surface treated steel sheet is a surface treated steel sheet where nickel plating is applied to at least one-side surface of surfaces of a steel sheet by coating, wherein nickel plating has a fine particle shape formed by fine particles which has particle density of 2 to 500 pieces/&#x3bc;mand having an average particle size of 0.05 to 0.7 &#x3bc;m. The container-use surface treated steel sheet is also characterized in that a coating weight of the nickel plating of the container-use surface treated steel sheet is 0.1 to 12 g/m, metal tin is contained in coating of the nickel plating, and an amount of metal tin is 0.05 to 0.1 g/m. The organic-resin-coated surface treated steel sheet of the present invention is characterized in that an organic resin layer is formed on at least one surface of the container-use surface treated steel sheet. The metal can is formed by working the organic-resin-coated surface steel sheet.

Surface-treated steel sheet for container having excellent processing adhesion to resin, method for manufacturing same, and can

A method of drawing and ironing a resin film laminated metal sheet for forming a can body having a bottom portion, a can wall portion and a flange-forming portion by drawing the resin film laminated metal sheet obtained by laminating at least one surface of a metal sheet with an organic resin film, followed by ironing by using a punch and a plurality of dies neighboring each other. The can wall is effectively prevented from being broken by a decrease in the thickness of the can wall, and drawn and ironed cans are efficiently formed having a thickness which is decreased as designed.

Method of drawing and ironing a resin film laminated metal sheet and resin film laminated drawn and ironed can using the same method

Growing community of inventors

Yamaguchi, Japan

Etsuro Tsutsumi