Method for preparing aluminum film through electrodeposition of ionic liquid on the surface of aluminum-based composite material
An aluminum-based composite material, ionic liquid technology, applied in the field of composite materials, can solve the problems of destroying the integrity and uniformity of the film, poor corrosion resistance, etc., and achieve the effects of controllable thickness, good temperature resistance and strong adaptability
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[0014] Example 1
[0015] 1) The aluminum-based composite material and pure aluminum are respectively polished by 400#, 800#, 1200#, 2000# sandpaper.
[0016] 2) Ionic liquid (electrodeposition liquid) is configured in a vacuum glove box filled with argon gas, and its components and their molar ratio are: the molar ratio of benzyltrimethylammonium chloride to anhydrous aluminum trichloride and additives is 1:2.1:0.3. In the process of configuring the ionic liquid, anhydrous aluminum trichloride is slowly added to benzyltrimethylammonium chloride under magnetic stirring until the reaction is completed (control the temperature not to exceed 50℃), and the magnetic stirring speed is 600r / min.
[0017] 3) In the ionic liquid, the aluminum-based composite material is used as the anode, and pure aluminum is used as the cathode. The temperature is 0.2A / dm 2 Electrochemical activation (operation in a glove box) is carried out at a current density of 0, the reaction time is 2min, and the te...
Example Embodiment
[0020] Example 2
[0021] 1) The aluminum-based composite material and pure aluminum are respectively polished by 400#, 800#, 1200#, 2000# sandpaper.
[0022] 2) The ionic liquid (electrodeposition liquid) is configured in a vacuum glove box filled with argon, and its components and their molar ratio are: the molar ratio of N-butylpyridinium chloride to anhydrous aluminum trichloride and additives is 1:1.8:0.2. In the process of configuring the ionic liquid, anhydrous aluminum trichloride is slowly added to the N-butylpyridinium chloride under the condition of magnetic stirring until the reaction is completed (control the temperature not to exceed 50℃), and the magnetic stirring speed is 750r / min.
[0023] 3) In the ionic liquid, the aluminum-based composite material is used as the anode, and pure aluminum is used as the cathode, at 0.4A / dm 2 Electrochemical activation (operation in a glove box) is carried out at a current density of 0, the reaction time is 5 min, and the temperat...
Example Embodiment
[0026] Example 3
[0027] 1) The aluminum-based composite material and pure aluminum are respectively polished by 400#, 800#, 1200#, 2000# sandpaper.
[0028] 2) Ionic liquid (electrodeposition liquid) is configured in a vacuum glove box filled with argon gas, and its components and their molar ratio are: 1-butyl-3-methylimidazole chloride salt and anhydrous aluminum trichloride, additives The molar ratio is 1:2:0.1. In the process of configuring the ionic liquid, anhydrous aluminum trichloride is slowly added to the 1-butyl-3-methylimidazole chloride salt under the condition of magnetic stirring until the reaction is completed (control the temperature not to exceed 50°C), and the magnetic stirring The speed is 900r / min.
[0029] 3) In the ionic liquid, the aluminum-based composite material is used as the anode, and pure aluminum is used as the cathode. The temperature is 0.5A / dm 2 Electrochemical activation (operation in a glove box) is carried out at a current density of 0, the r...
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