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Copper dissolution process in electrolytic copper foil production

2021-07-02 03:20:40

Principle: add the processed copper material into the copper dissolving tank. The larger the surface area of the copper material, the better. There should be a small gap between the copper materials to increase the reaction area. After a certain amount of pure water and sulfuric acid are added, compressed air is introduced for oxidation and combination reaction to generate

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Causes of burrs on rough surface of electrolytic copper foil

2021-03-16 18:31:10

1. The content of insoluble particulate impurities in the electrolyte exceeds the standard. Pure, impurity free, uniform and stable electrolyte is the prerequisite for producing high-quality electrolytic copper foil. In actual production, some impurities will inevitably pass through raw copper, waste foil, water, acid

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How is electrolytic copper foil produced

2021-02-23 17:27:47

The varieties of electrolytic copper foil are divided into standard electrolytic copper foil (sTD type), high ductility electrolytic copper foil (HD type), high temperature and high ductility electrolytic copper foil (HTE type) and annealed electrolytic copper foil (ANN type) according to their properties. According to the surface condition

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Analysis of characteristics of rolled copper foil and electrolytic copper foil

2021-02-22 16:28:41

What are the similarities between rolled copper foil and electrolytic copper foil? What are the differences between rolled copper foil and electrolytic copper foil? What are the advantages and disadvantages of calendered copper foil and electrolytic copper foil? What are calendered copper foil and electrolytic copper foil? Calendered copper foil and electrolytic copper foil belong to

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Analysis on Production, Marketing and Development Trend of Electrolytic Copper Foil for Lithium Battery

2021-01-25 03:59:19

With the implementation of China's new energy vehicle policy and the expansion of the production of new energy vehicles, copper foil, as the cathode carrier of lithium ion batteries, has seen a huge increase in demand in the past two or three years. In 2016, China's annual production capacity of copper foil for lithium ion batteries increased

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Analysis of Lumps and Burrs in Electrolytic Copper Foil

2021-01-25 03:43:55

Recently, a friend asked me about copper foils. Here I will analyze this problem and hope it will be helpful to everyone. 1. Iron is one of the burr elements. The production process of electronic copper foil should strictly control iron equipment, including bolts, blades, levers

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Analysis of black spots on the rough surface of electrolytic copper foil

2021-01-25 03:41:29

Exception description: black spots on the copper rough surface (black spots on the rough surface after copper foil post-processing, and more on both sides of the middle decrease). Measures taken: 1.1 The 5-micron filter bag and coarse solidified activated carbon filter element were replaced, which was invalid. 1.2 For coarse curing (three coarse

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Analysis on the cause of warpage of electrolytic copper foil

2021-01-25 03:34:24

With the expansion of demand for ultra-thin electrolytic copper foil market, the domestic thickness is ≤ 18 μ M's electrolytic copper foil production capacity is expanding year by year. The production of ultra-thin electrolytic copper foil has very strict requirements on equipment, process and environment, and copper foil products are easy to form pinholes, warps, spots

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Development Status and Trend of Electrolytic Copper Foil Industry

2021-01-25 15:20:01

As one of the basic materials of the electronic industry, electrolytic copper foil is widely used in the electronic industry and plays a very important role in the development of the entire electronic industry. Electrolytic copper foil is a suitable electrolyte solution under the action of a certain current density

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Classification of electrolytic copper foil

2021-01-25 03:15:49

1、 According to the scope of application 1. Copper clad laminate (CCL) and copper foil (PCB) for printed circuit board CCL and PCB are widely used fields of copper foil. Copper foil is first hot pressed with adhesive sheets impregnated with resin to form copper clad laminate, which uses

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Brief Introduction of Copper Dissolving Method for Electrolytic Copper Foil

2021-01-25 03:08:08

Dissolving copper in electrolytic copper foil is the first process. As the saying goes, "disease comes from the mouth." Therefore, dissolving copper is an important control point in order to make good copper foil. First of all, the quality of copper should be strictly controlled. The main control indicators are: oil pollution, organic matter, copper content, iron content, lead content

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Process flow of electrolytic copper foil

2021-01-25 02:50:30

1. Electrolytic copper foil technological process Electrolytic copper foil is made by using cathode roller to make copper cation precipitate on the cathode roller surface, and after being removed, the surface is treated. At present, the production of electrolytic copper foil in most countries in the world adopts roller type continuous electrolysis method, which is composed of two parts

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Rolled copper foil

2021-01-25 02:46:29

1、 Calendered copper foil (rolled copper foil) 1. Production process flow of rolled copper foil (rolled copper foil): batching - smelting - composition control - semi continuous casting/horizontal continuous casting - hot rolling/cold rolling bloom - milling - trimming - annealing - cleaning - intermediate rolling - annealing - finish rolling

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Understand the difference between electrolytic copper foil and calendered copper foil

2021-01-25 02:30:55

Processing technology Electrolytic copper production process: Electrolysis is completed by electroplating process. Electrolytic copper is formed by separating copper ions from copper sulfate solution with electric current, and then it is completed after oxidation resistance and roughening treatment. Rolling copper production process: rolling copper is made by coating

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