A surface treatment method for an aluminum exterior part of a vehicle includes: pre-treating the aluminum exterior part comprising aluminum or an aluminum alloy; etching a surface of the pre-treated aluminum exterior part by immersing the pre-treated aluminum exterior part in an etching solution; forming an oxide layer on the surface of the aluminum exterior part by immersing the aluminum exterior part, which is subjected to the etching, in a hydrothermal synthetic solution; and forming an electrodeposition coating layer on the surface of the aluminum exterior part, which is subjected to the forming the oxide layer.

A surface treatment method for a metal housing includes: providing a metal housing made of an oxidizable alloy; performing a surface treatment on the metal housing, to obtain a semi-finished housing, the surface treatment comprises at least one selected from the group consisting of a micro-arc oxidation treatment, a surface painting treatment, a surface cutting treatment, a surface drawing treatment, and a surface defect treatment, the semi-finished housing comprising a substrate-exposed region; and performing a filming treatment on the semi-finished housing, to passivate the substrate-exposed region.

A surface treatment method for a metal housing includes: providing a metal housing made of an oxidizable alloy; performing a surface treatment on the metal housing, to obtain a semi-finished housing, the surface treatment comprises at least one selected from the group consisting of a micro-arc oxidation treatment, a surface painting treatment, a surface cutting treatment, a surface drawing treatment, and a surface defect treatment, the semi-finished housing comprising a substrate-exposed region; and performing a filming treatment on the semi-finished housing, to passivate the substrate-exposed region.

Systems and methods are described herein for providing electrical conductivity between a first member including a first metal material having a first galvanic potential and a second member including a second metal material having a second galvanic potential during electrocoating. An adhesive comprising conductive metallic particles is applied to one of the first or the second members. The first member and the second member are joined via the particle-induced adhesive, wherein the particle-induced adhesive provides electrical conductivity between the first member and the second member when the first member and the second member are joined.

The present disclosure relates to coatings. For example, some embodiments may include methods for producing a coating comprising: depositing a metallic matrix on a substrate by electrochemical deposition using a deposition bath including carbon comprising particles and oxide particles dispersed therein; wherein the carbon comprising particles are embedded into the metallic matrix and pores are distributed in the coating; wherein at least 80% of the pores have a pore diameter in a range from 3 to 30 m; wherein oxide particles are incorporated into and fixed in the pores during deposition and the oxide particles remain partially uncoated by the material of the metallic matrix.

The present invention provides a method for preparing a polyaniline/RuO.sub.2/SnO.sub.2 composite electrode material, including: sputtering a SnO.sub.2 film onto a tantalum substrate by a magnetron sputtering method, to form a SnO.sub.2 layer; preparing porous-structured RuO.sub.2 nanoparticles with a uniform pore size distribution (10-15 nm) by a template method; and embedding polyaniline into the RuO.sub.2 nanoparticle matrix by a electrodeposition method, to finally obtain a multilayer-structured polyaniline/RuO.sub.2/SnO.sub.2 composite electrode material with a specific capacitance value of 680-702 F.Math.g1 and an excellent cycling charge-discharge performance after it is assembled into an electrochemical capacitor.

A method of applying at least one coating of at least one electrically insulating polymer to an applicator for currents, especially HF currents in surgery, the coating is produced by electrophoretic deposition from a suspension of the polymer in at least one organic solvent, wherein the applicators thus coated are especially clamps, pairs of tweezers or pairs of scissors which are used in the bipolar application technique of HF surgery. Polymers used are especially thermoplastic polymers, such as thermoplastic fluoropolymers, and more particularly polychlorotrifluoroethylene (PCTFE) or ethylene chlorotrifluoroethylene (ECTFE).

A method of applying at least one coating of at least one electrically insulating polymer to an applicator for currents, especially HF currents in surgery, the coating is produced by electrophoretic deposition from a suspension of the polymer in at least one organic solvent, wherein the applicators thus coated are especially clamps, pairs of tweezers or pairs of scissors which are used in the bipolar application technique of HF surgery. Polymers used are especially thermoplastic polymers, such as thermoplastic fluoropolymers, and more particularly polychlorotrifluoroethylene (PCTFE) or ethylene chlorotrifluoroethylene (ECTFE).

Novel coatings are disclosed prepared from electropolymerization of electropolymerizable monomers-analyte complexes onto a conducting layer or non-conducting of a substrate, where the analyte is removed by electrochemically mediated washing permitting linear molecular sensing of the analyte over a wide concentration range. The coating may also include templating particles deposited on the electrode substrate prior to electropolymerization, where the particles can be removed to form a submicron structured coating. Methods for making and using the coatings are also disclosed.

An electrochemical probe comprises a wire bundle including two or more wire electrodes made of conducting material arranged alongside each other, and insulating material surrounding the electrodes. An impedance reducing layer of metal or metal oxide nano-structures is deposited on tips of the wire electrodes at a first end of the bundle. A functionalization layer is deposited on the impedance reducing layer at the first end of the bundle. Such a probe is particularly useful for electrochemical sensing applications such as neuronal scanning.