Production apparatus for electro-deposited metal foil, production method of thin plate insoluble metal electrode used in production apparatus for electro-deposited metal foil, and electro-deposited metal foil produced by using production apparatus for electro-deposited metal foil
An object of the present invention is to provide a production apparatus for electro-deposited metal foil or the like that can reduce thickness fluctuation of electro-deposited metal foil. To achieve the object, a production apparatus for electro-deposited metal foil or the like in which a cathode and an insoluble anode apart from each other, supplying an electrolytic solution through a gap between the cathode and the anode, making the cathode move along to the insoluble anode, electrodepositing a metal component on an electro-deposition surface of the moving cathode is applied. Wherein the insoluble anode is a thin plate insoluble metal electrode provided with a conductive electrode material coating layer on a surface of a substrate made of a corrosion-resistant material, and detachably mounted to an electrode base by using predetermined fixing means, and the conductive electrode material coating layer of the thin plate insoluble metal electrode is provided with a conductive electrode material stripped belt in a direction perpendicular to a moving direction of the cathode, and the fixing means is provided in the conductive electrode material stripped belt.
1. A production apparatus for electro-deposited metal foil to continuously produce metal foil by arranging a cathode and an insoluble anode apart from each other, supplying an electrolytic solution through a gap between the cathode and the anode, making the cathode move along to the insoluble anode, electrodepositing a metal component on an electro-deposition surface of the moving cathode,
wherein the insoluble anode is a thin plate insoluble metal electrode provided with a conductive electrode material coating layer on a surface of a substrate made of a corrosion-resistant material, and detachably mounted to an electrode base by using predetermined fixing means, and
the conductive electrode material coating layer of the thin plate insoluble metal electrode is provided with a conductive electrode material stripped belt in a direction perpendicular to a moving direction of the cathode, and the fixing means are provided in the conductive electrode material stripped belt.
2. The production apparatus for electro-deposited metal foil according to claim 1 , wherein the conductive electrode material stripped belt is a region in which the conductive electrode material coating layer of the thin plate insoluble metal electrode is stripped in a belt shape 1 mm or more wider than the fixing means.
3. The production apparatus for electro-deposited metal foil according to claim 1 , comprising a cathode and an insoluble anode used in combination for producing electro-deposited metal foil,
wherein the cathode is a rotating drum cathode using a cylindrical drum surface as an electro-deposition surface, and
the insoluble anode has a curved facing surface that can be arranged with a predetermined distance apart along a shape of the surface of the drum cathode.
4. A production method of a thin plate insoluble metal electrode provided with a conductive electrode material coating layer used in a production apparatus for electro-deposited metal foil according to claim 1 , including a working process comprising:
Step A: a step of preparing a substrate made of a corrosion-resistant material having a shape of an insoluble anode;
Step B: a step of forming a conductive electrode material coating layer on a surface of the prepared substrate to obtain a substrate with coating layer;
Step C: a step of forming a conductive electrode material stripped belt in a direction perpendicular to a moving direction of a cathode in the conductive electrode material coating layer on a surface of the substrate with coating layer to obtain a substrate with patterned coating layer; and
Step D: a step of forming fixing means for mounting the substrate with patterned coating layer to an electrode base in the conductive electrode material stripped belt in the substrate with patterned coating layer.