Methods for producing a conductive element precursor and a conductive element, such as a tape or wire, are provided. The methods comprise growing a plurality of carbon nanotubes on a metallic substrate and coating carbon nanotubes of the plurality of carbon nanotubes on the metallic substrate with a metallic material.

The present disclosure generally relates to a method for electroplating (or electrodeposition) a transition metal oxide composition that may be used in gas sensors, biological cell sensors, supercapacitors, catalysts for fuel cells and metal air batteries, nano and optoelectronic devices, filtration devices, structural components, and energy storage devices. The method includes electrodepositing the electrochemically active transition metal oxide composition onto a working electrode in an electrodeposition bath containing a molten salt electrolyte and a transition metal ion source. The electrode structure can be used for various applications such as electrochemical energy storage devices including high power and high-energy primary or secondary batteries.

Provided is a method of manufacturing a nano-catalyst filter, which includes depositing through electrodeposition a catalyst precursor inside a porous filter to which an electrode layer is attached. Using this method, a nano-catalyst can be uniformly deposited inside a porous ceramic filter, and high catalyst efficiency can be obtained only using a small amount of the nano-catalyst.

Provided is a method of manufacturing a nano-catalyst filter, which includes depositing through electrodeposition a catalyst precursor inside a porous filter to which an electrode layer is attached. Using this method, a nano-catalyst can be uniformly deposited inside a porous ceramic filter, and high catalyst efficiency can be obtained only using a small amount of the nano-catalyst.

An apparatus and a method for the metallization of an object including placing the object in an electrolyte, placing an anode in contact with the electrolyte, placing a metallization contact of a cathode in contact with the object, applying an electrical tension between the anode and the cathode, wherein the metallization contact is displaced in relation to the object during the metallization of the object to achieve a complete and continuous metallization of the object's surface.

An apparatus and a method for the metallization of an object including placing the object in an electrolyte, placing an anode in contact with the electrolyte, placing a metallization contact of a cathode in contact with the object, applying an electrical tension between the anode and the cathode, wherein the metallization contact is displaced in relation to the object during the metallization of the object to achieve a complete and continuous metallization of the object's surface.

In one example, a method to manufacture a magnetic sensor, comprises providing an electrolyte solution, submersing a substrate in the electrolyte solution, submersing a plurality of ingots in the electrolyte solution, wherein the ingots comprises a metal that is magnetic, and depositing the metal on the substrate by applying a voltage between the metal ingot and the substrate to result in magnetic alloy layer on the substrate. Other examples and related methods are also disclosed herein.

In one example, a method to manufacture a magnetic sensor, comprises providing an electrolyte solution, submersing a substrate in the electrolyte solution, submersing a plurality of ingots in the electrolyte solution, wherein the ingots comprises a metal that is magnetic, and depositing the metal on the substrate by applying a voltage between the metal ingot and the substrate to result in magnetic alloy layer on the substrate. Other examples and related methods are also disclosed herein.

A fabricating method of a non-enzyme sensor element includes a printing step, a coating step and an electroplating step. In the printing step, a conductive material is printed on a surface of a substrate to form a working electrode, a reference electrode and an auxiliary electrode, and a porous carbon material is printed on the working electrode to form a porous carbon layer. In the coating step, a graphene film material is coated on the porous carbon layer of the working electrode to form a graphene layer. In the electroplating step, a metal is electroplated on the graphene layer by a pulse constant current to form a catalyst layer including a metal oxide.

A fabricating method of a non-enzyme sensor element includes a printing step, a coating step and an electroplating step. In the printing step, a conductive material is printed on a surface of a substrate to form a working electrode, a reference electrode and an auxiliary electrode, and a porous carbon material is printed on the working electrode to form a porous carbon layer. In the coating step, a graphene film material is coated on the porous carbon layer of the working electrode to form a graphene layer. In the electroplating step, a metal is electroplated on the graphene layer by a pulse constant current to form a catalyst layer including a metal oxide.