A preparation method of laminated solid aluminum electrolytic capacitor based on microcapsule technology
A technology of aluminum electrolytic capacitors and microcapsule technology, which is applied in the manufacture of electrolytic capacitors, solid electrolytic capacitors, and electrolytic capacitors. The effect of improving the yield rate of industrialization and improving product reliability
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[0032] see figure 1 , the present invention provides a technical solution: specifically a method for preparing a laminated solid aluminum electrolytic capacitor based on microcapsule technology, comprising the following steps:
[0033] S1. Cutting the chemically formed aluminum foil to obtain the first aluminum foil;
[0034] S2. Coating an insulating barrier glue on the surface of the first aluminum foil, and dividing an anode area and a cathode area to obtain a second aluminum foil;
[0035] S3. Performing a dielectric layer repair treatment on the side of the cathode region of the second aluminum foil through a rechemical conversion process to obtain a third aluminum foil;
[0036] S4. Form a conductive polymer solid electrolyte layer on the surface of the cathode region of the third aluminum foil by chemical polymerization and electrolytic polymerization to obtain a fourth aluminum foil;
[0037] S5, impregnating the cathode region of the fourth aluminum foil in the re-f...
Embodiment 1
[0056] S1. Select 3.5VF aluminum foil for cutting to obtain the first aluminum foil;
[0057] S2. Coating an insulating barrier glue on the surface of the first aluminum foil, and dividing an anode area and a cathode area to obtain a second aluminum foil;
[0058] S3. Performing a dielectric layer repair treatment on the side of the cathode region of the second aluminum foil through a rechemical conversion process to obtain a third aluminum foil;
[0059] S4. Form a conductive polymer solid electrolyte layer on the surface of the cathode region of the third aluminum foil by chemical polymerization and electrolytic polymerization to obtain a fourth aluminum foil;
[0060] S5, impregnating the cathode region of the fourth aluminum foil in the re-formation microcapsule dispersion wrapped with the aluminum foil formation reagent, and then performing drying treatment to obtain the fifth aluminum foil;
[0061] The preparation method of the fifth aluminum foil in step S5 comprises ...
Embodiment 2
[0073] The difference from Example 1 is that the preparation method of the fifth aluminum foil in step S5 includes the following steps:
[0074] (1) the ammonium adipate compound system chemical reagent is used as the core material, the carrageenan is used as the wall material, and the spray drying method is used to prepare and then chemically synthesize microcapsules;
[0075] (2) Disperse the re-formed microcapsules in a ratio of 1:10 in deionized water at 15°C by ultrasonic dispersion to obtain a re-formed microcapsule dispersion;
[0076] (3) Store the re-formed microcapsule dispersion at a constant temperature of 15°C, and impregnate the fourth aluminum foil cathode region in the dispersion under vacuum conditions for 30 minutes before drying.
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