Formation method of low-voltage formed foil and prepared low-voltage formed foil

The invention discloses a formation method of a low-voltage formed foil and the prepared low-voltage formed foil. The formation method comprises the following steps of S1, placing an aluminum foil in 3-15 wt.% of an adipate aqueous solution, and carrying out first-stage formation and first-time wash...

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Bibliographische Detailangaben
Hauptverfasser:	GUO XUDONG, FAN LIJIN, LYU GENPIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention discloses a formation method of a low-voltage formed foil and the prepared low-voltage formed foil. The formation method comprises the following steps of S1, placing an aluminum foil in 3-15 wt.% of an adipate aqueous solution, and carrying out first-stage formation and first-time washing; S2, carrying out phosphoric acid passivation treatment on the aluminum foil washed for the first time in the S1, then carrying out heat treatment, wherein the heat treatment temperature ranges from 300 DEG C to 550 DEG C, and the heat treatment time ranges from 1 minute to 5 minutes, and then carrying out washing for the second time; and S3, putting the aluminum foil washed for the second time in the step S2 into 0.01-0.1 wt% of phosphoric acid aqueous solution, carrying out second-stage formation, taking out, washing for the third time, and drying to obtain the low-voltage formed foil. Through the formation method, the aluminum foil is subjected to formation in the adipate aqueous solution, water washing, pas