Manufacturing method and application of nickel coated copper composite material and storage battery and spark plug utilizing nickel coated copper composite material as electrode
A composite material and manufacturing method technology, used in spark plugs, electrode manufacturing, battery electrodes, etc., can solve the problems of poor anti-corrosion performance, many wastes, and large losses, and achieve the effects of improving electrical conductivity, reducing costs, and avoiding loss and waste.
Active Publication Date: 2014-06-04
广德克莱德新材料技术有限公司
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Problems solved by technology
[0005] The problem solved by the invention is that the existing nickel-clad copper composite material has poor anti-corrosion performance and the method of manufacturing the material has a large loss and a lot of waste.
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[0020] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.
[0021] In the process of developing nickel-clad copper electrodes, the technicians of the present invention found that the existing electroplating manufacturing method electroplates nickel on copper to make the nickel layer very thin, thereby making the corrosion resistance worse. In order to solve this problem, the technicians A nickel-clad copper-coated double-layer metal material is prepared by wrapping the nickel tube on the outer surface of the copper tube through diameter reduction and annealing processes, and the electrode is made from the metal material. Since the nickel layer on the surface of the copper tube is formed by reducing the diameter of the nickel tube, it is thicker than the electroplated nickel layer, so it has stronger...
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Abstract
The invention discloses a manufacturing method of a nickel coated copper composite material and a storage battery and a spark plug which utilize the nickel coated composite material as an electrode. The manufacturing method of the nickel coated copper composite material comprises the following steps: S1, preparing raw materials, namely respectively cleaning a copper rod and a nickel tube so as to remove oxidation layers on the surfaces and the inner walls of the copper rod and the nickel tube; S2, sheathing, namely sheathing the nickel tube with the copper rod, wherein the space between the nickel tube and the copper rod is less than 1mm-3mm; S3, reducing, namely placing the sheathed nickel coated copper rod into a rolling mill for metal wires, and continuously rolling for 5-20 times, wherein deformation is controlled to be 1%-20% each time; and S4, annealing, namely placing the drawn nickel coated copper material into a vacuum heating furnace, performing anti-oxidation protection with protective gas like argon, heating to the temperature of 450-600 DEG C, annealing for 1-3 hours, and performing heat preservation for 1-3 hours, thus obtaining the nickel coated copper composite material. The electrode manufactured by the method has good corrosion resistance, no waste water is produced, and no pollution is produced to the environment.
Description
[0001] technical field [0002] The invention relates to a bimetallic composite conductive material, in particular to a manufacturing method of the nickel-clad copper composite material, a storage battery made of the nickel-clad copper composite material and a spark plug made of the material. Background technique [0003] Common batteries usually include lead-acid batteries, nickel-metal hydride batteries, lithium-ion batteries, nickel-cadmium batteries, nickel-zinc batteries, zinc-air batteries, etc. In some batteries, nickel material is the main electrode material. The electrode material of the battery needs to be soaked in the electrolyte (concentrated sulfuric acid) for a long time, so a corrosion-resistant metal material (nickel) must be used, and nickel is a precious metal and is expensive. [0004] In the prior art, the nickel layer is coated on the copper core layer by an electroplating process, which has the following problems: 1) Since the nickel layer is only atta...
Claims
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IPC IPC(8): H01M4/38H01M4/04H01T13/39
CPCH01M4/02H01M4/043H01M4/0435H01T13/39Y02E60/10
Inventor 成羽
Owner 广德克莱德新材料技术有限公司