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A technology of ionic compounds and cations, applied in the fields of electrolytic capacitors, electrolyte materials, and electrolytes, which can solve problems such as easy leakage, inability to exert electrolyte performance, and disconnection.
Inactive Publication Date: 2009-07-22
NICHICON CAPACITOR LTD
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Problems solved by technology
[0005] However, in the electrolyte that constitutes this electrochemical device, there are the following problems: the organic solvent is volatile and has a low ignition point; liquid leakage is prone to occur, and it lacks long-term reliability; the electrolyte will solidify at low temperatures and cannot function. Performance as Electrolyte
As a result, the sealing rubber of the capacitor deteriorates, the liquid leaks from the cathode part, and adheres to the surface of the printed circuit board, causing problems such as corrosion and disconnection.
In addition, in the case of using quaternary salts, the electrical conductivity is improved compared to using tertiary salts, but further improvement is still expected.
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Embodiment 1
[0348] Add 41.2 g (0.24 mol) of silver nitrate and 250 ml of ion-exchanged water to a flask equipped with a thermometer, a nitrogen inlet tube, a reflux condenser, a stirring device, and a dropping funnel, and stir to completely dissolve the silver nitrate. Next, a 30% aqueous solution of 26.1 g (0.20 mol) of tricyanomethyl potassium (hereinafter referred to as KTCM) was placed in a dropping funnel, and the silver nitrate solution was added dropwise at room temperature over 1 hour. The obtained white solid was filtered and washed with 300 ml of ion-exchanged water. This washing procedure was repeated 5 times.
[0349] Next, add 300ml of ion-exchanged water to the white solid, put it into a separation flask and stir, thus forming a slurry, and here, 27.3g (0.15mol) of triethylammonium bromide charged in the dropping funnel A 50% aqueous solution was added dropwise over 1 hour at room temperature. After further stirring at room temperature for 1 hour, the resulting reaction so...
Embodiment 2
[0351] The ion-exchange resin (product name: Amberlite IR120-H (120ml)) fully washed with ion-exchange water is filled in the column, and KTCM19.3g (0.15mol) 0.2mol / l aqueous solution is passed through for 4 hours. . The obtained aqueous solution was put in a beaker, and a 50% methanol solution of 30.2 g (0.30 mol) of triethylamine was added thereto at room temperature. After stirring for 30 minutes, the obtained aqueous solution was concentrated by an evaporator to obtain 28.5 g (0.15 ml) of TEATCM. The yield was 99%.
Embodiment 3
[0353] In Example 2, except that triethylamine was changed to pyridine, the same method was used to obtain pyridinium tricyanomethide. The yield was 93%.
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Abstract
The present invention provides an ionic compound which can exert excellent basic performance such as excellent electrochemical stability including an excellent ionic conductivity; is excellent in pH stability; and can suitably find use in a variety of applications, and an electrolyte material, an electrolytic solution, and an electrolytic capacitor each containing the ionic compound. Anionic compound of the present invention has an anion represented by a general formula (1) and a cation represented by a general formula (2). In the formula (1), X represents an element selected from B, C, N, O,Al, Si, P, S, As, and Se, M<1>and M<2>represent linking groups, Q represents a monovalent element or organic group, a represents an integer of 1 or more, and b, c, d, and e each represent an integer of 0 or more. In the formula (2), L represents an element selected from C, Si, N, P, S, and O, R represents a monovalent element, functional group, or organic group, and s represents an integer of 2, 3, or 4.
Description
technical field [0001] The present invention relates to ionic compounds. More specifically, it relates to an ionic compound suitable as an ion conductor material constituting an electrochemical device, and an electrolyte material, electrolytic solution, and electrolytic capacitor containing the ionic compound. Background technique [0002] The ionic compound must be an ionic substance containing a compound composed of cations and anions, and is widely used in various applications. Among the ionic compounds, those having ion conductivity are suitably used as the ion conductive material. Specifically, it is suitably used as a constituent material of an ion conductor that must be used in various ion-conducting batteries and the like. The constituent material of the ion conductor can function as an electrolyte and / or a solvent in the electrolytic solution constituting the ion conductor. In addition, the constituent material of the ion conductor can function as a solid electro...
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