6results about How to "Solve conductivity problems" patented technology

This application discloses a negative electrode and its related manufacturing method and product, belonging to the field of zinc-ion batteries. The negative electrode includes: a metal current collector; and an adhesion layer attached to the surface of the metal current collector through a chemical reaction; wherein the adhesion layer is composed of at least two metal elements. This negative electrode can effectively suppress dendrite growth and side reactions such as hydrogen evolution, thereby improving the cycle stability of the battery.

The utility model belongs to conductive material technical field discloses a kind of substrate surface conductive polyaniline coating continuous processing device, for processing conductive polyaniline coating to substrate surface, comprising: DBD plasma processor, including plasma power supply, plasma power supply output end is connected with discharge electrode, plasma power supply ground end is connected with ground electrode, ground electrode and discharge electrode are placed in parallel, and gap for substrate passing is left between ground electrode and discharge electrode, DBD plasma processor is used to carry out hydrophilization and roughening treatment to substrate surface;Liquid storage system, liquid storage system includes three liquid storage tanks, three liquid storage tanks are respectively filled with aniline monomer solution, doped acid solution and oxidizing agent solution;The problems existing in the prior art that the preparation process is complex, the coating uniformity and the conductivity are not good are solved, the processing efficiency and the quality of the conductive polyaniline coating are effectively improved, and the continuous production of environmental protection and controllable morphology is ensured.

This application relates to the field of metal surface treatment, specifically disclosing a fingerprint-resistant galvanized sheet and its production method. The fingerprint-resistant galvanized sheet includes a substrate, a galvanized layer formed on the surface of the substrate, and an inorganic passivation layer and an organic composite coating sequentially coated on the surface of the galvanized layer. The organic composite coating includes an acrylate-polysiloxane modified resin system and a hybrid conductive network filler dispersed in the resin system. The hybrid conductive network filler is composed of two-dimensional nano-graphene and one-dimensional conductive material in a mass ratio of 5:1 to 15:1, and the surface of the hybrid conductive network filler is grafted with a silane coupling agent. The organic composite coating is distributed in a transverse gradient on the surface of the galvanized sheet, with a film weight of 0.8-1.0 g / m² in the central region and 0.6-0.8 g / m² in the edge region. The fingerprint-resistant galvanized sheet of this application exhibits excellent fingerprint resistance and corrosion resistance, while also achieving high conductivity.

The application provides a silicon-carbon negative electrode material and a preparation method and a lithium ion battery thereof, the silicon-carbon negative electrode material is a grape-like secondary particle, the secondary particle is composed of primary particles, carbon nanotubes and graphite, the surface of the primary particle is connected with the graphite through the carbon nanotubes; the primary particle is a double-coated silicon-based material, the inner core of the primary particle is a silicon-based material, the inner coating layer is an oxide layer, and the outer coating layer is a carbon coating layer. The application effectively enhances the conductivity of the silicon-carbon negative electrode material by designing the grape-like silicon-carbon negative electrode material, solves the problems of particle separation and poor conductivity in the expansion process, and the material has a high degree of disorder, which is beneficial to improving the fast-charging performance of the material; in addition, the double-coated silicon-based material surface can improve the initial efficiency while reducing the residual of the surface alkali, and can effectively alleviate the expansion problem of the silicon-based material, reduce the erosion of the electrolyte to the surface of the silicon-based material, and further enhance the cycle performance of the material.

The application discloses a conductive wire core aluminum alloy and a manufacturing method and application thereof, relates to the technical field of conductive wire core materials, and comprises the following components by percentage of weight: A 0.003-1.465 wt%, rare earth elements 0.001-7.670 wt%, aluminum 88.005-99.999 wt% and inevitable impurities; the conductive wire core aluminum alloy and the manufacturing method and application thereof precisely control the proportion of iron, copper and magnesium alloy elements, especially control the total content of iron and the mass ratio of copper and magnesium, and combine the grain refining effect of rare earth elements, so that the alloy has high strength and high conductivity, solves the problem that the strength and conductivity of a traditional alloy are restricted by each other, and is suitable for large-scale production.

This invention belongs to the technical field of industrial magnesium alloy materials, specifically a heat-resistant magnesium alloy with high strength, toughness, high conductivity, and brazability, and its preparation method. By mass percentage, the magnesium alloy comprises: Zn 5.0%–8.0%, Mn 0.5%–1.5%, Cu 0.5%–3.5%, Ag 0.05%–3.5%, Ca 0.01%–1.5%, with the balance being Mg. The magnesium alloy material prepared by the method combined with specific processes has a tensile strength ≥360MPa, elongation ≥10%, conductivity ≥19MS / m, tensile strength ≥200MPa at 200℃, and a tensile strength decrease of ≤10% after brazing at 350–450℃. Furthermore, it can be brazed into complex cavity components integrating load-bearing and conductive functions, enabling service in high-temperature environments up to 200℃. It has significant application value in electronic signal and microwave signal transmission components in aerospace, aviation, transportation, and weaponry fields.