Electrolytic capacitor working electrolyte capable of improving high-temperature resistance and prolonging service life of electrolytic capacitor
An electrolytic capacitor, long-life technology, applied in the direction of electrolytic capacitors, capacitors, circuits, etc., can solve the problem that the service life of high-temperature resistant electrolytic capacitors has not been well improved, and achieve the effect of improving service life and high voltage resistance.
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[0020] Example 1:
[0021] A high-temperature resistant, long-life electrolytic capacitor working electrolyte, the weight ratio of the composition is: ethylene glycol, 71.4%; polyethylene glycol 2000, 8%; 1,10-dimethyl octadecanoic acid ammonium, 14 %; Ammonium azelate, 4%; Phosphorous acid-benzenediisooctyl ester, 2%; Ammonium hypophosphite, 0.2%; Meta-nitroanisole, 0.4%.
[0022] According to the above composition ratio, the test performance indicators are as follows: flash voltage 480V; conductivity (30℃) is 2.0±0.2 ms / cm; PH value is 6.4~6.8; water content ≤3.0%.
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