Effect of Phosphoric Acid Treatment on the Property of Low-voltage Anode Aluminum Foil and Solid Electrolytic Capacitor
The effect of phosphoric acid treatment on the property of low-voltage anode aluminum foil and solid electrolytic capacitor was studied.The results show that the strength of phosphoric acid treatment has an important impact on the acid resistance,the hydration resistance and high capacitance.It also has an important influence on the voltage resistance,capacitance,leakage current and tangent of loss angle of the solid aluminum electrolytic capacitor.By optimizing the phosphoric acid treatment process,the acid resistance and the hydration resistance of the low-voltage anode aluminum foil can be significantly improved,and the leakage current of the solid electrolytic capacitor can be reduced,and capacitance can be decreased slowly,and the service life of low-voltage solid electrolytic capacitors can be prolonged.
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