A waterproof and low-voltage aluminum electrolytic capacitor working electrolyte
A technology of aluminum electrolytic capacitors and electrolytes, applied in electrolytic capacitors, capacitors, circuits, etc., can solve problems such as oxide film performance damage, achieve low production costs, good high temperature stability, and realize the effect of industrialized production
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Embodiment 1
[0033] Embodiment 1 Electrolyte formula and preparation thereof
[0034]
[0035] Preparation process: According to the components in the above table, firstly, heat the main solvent and auxiliary solvent to 60°C and mix them, add the solute adipic acid and ammonium formate, then add the waterproofing agent and other additives and stir for 15 minutes at a constant temperature of 110°C , cooled to room temperature to obtain an electrolyte.
Embodiment 2
[0036] Embodiment 2 electrolyte formula and preparation thereof
[0037]
[0038] Preparation process: According to the components in the above table, firstly, heat the main solvent and auxiliary solvent to 60°C and mix them, add the solute adipic acid and ammonium formate, then add the waterproofing agent and other additives and stir for 15 minutes at a constant temperature of 110°C , cooled to room temperature to obtain an electrolyte.
Embodiment 3
[0039] Embodiment 3 performance test
[0040] The working electrolyte parameters are shown in Table 1.
[0041] Table 1 Working Electrolyte Test Parameters
[0042] performance parameters Example 1 Example 2 moisture content 25.0% 20.0% Conductivity (30℃ms / cm) 35 20 pH 6.68 6.33 Flash voltage 150 280 Low temperature characteristics (-40℃) Not frozen, not precipitated out Not frozen, not precipitated out
[0043] The electrical characteristics of the electrolytic capacitor obtained by using the electrolyte of Example 1 of the present invention at a working voltage of 6.3V to 35V are as shown in Table 2; The characteristics are shown in Table 3.
[0044] Table 2 Electrical characteristics under 6.3V~35V working voltage (taking 6.3V 1500μf specification as an example)
[0045]
[0046] Table 3: Electrical characteristics under 50V ~ 100V working voltage (taking 100V 330μf specification as an example)
[0047]
[0048...
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