JPS5948918A - Method of producing electric double layer condenser - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing an electric two-layer capacitor.

Electric double layer conductor using paste electrodes, U.S. Patent No. 3,536,963
;a6. A cut like the one shown in Figure 1 consists of a 4V forgery.

In FIG. 1, l is conductive 11! which is electronically conductive and impermeable to ions V. 2, a paste electrode made of live Eden powder and a t-cutting solution, a porous separator that is ion-permeable and completely blocks electron conduction, with a VC provided to prevent electrical conduction of 3μ, 4F, J.

This is a non-conductive gasket provided to hold the paste electrode and protect it from the outside world.

In this type of electric double layer capacitor (hereinafter referred to as a basic cell), a paste electrode is printed using a doctor knife method using a paste electrode made by mixing a bed of live coal powder and a sulfur solution. , all electrodes were formed.

In this paste electrode, when preparing the paste electrode or electrode, the activated carbon powder and the Kamikaze solution may separate as time passes even if it becomes a paste. Phenomena predicted often occurred. Therefore, when printing paste electrodes using the doctor knife method, the base (td) and electrodes may scatter or the electrolyte solution may leak, resulting in poor workability. In addition, the length of the 7Cg gas double layer condensate manufactured by the above-mentioned conventional method is 111i, etc. due to the risk of contact between the paste severely damaged γ-filled coal #wood and the porous separator.
The object of the present invention is to provide a manufacturing method 7 which improves the above-mentioned drawbacks.

The electric double layer capacitor of the present invention is characterized in that a porous separator made of activated carbon powder and a non-electronic adhesive is formed by electrostatic adsorption printing.

Hereinafter, FIG. 1, FIG. 2, and Table 1 will be described in detail in comparison with the one-shot example of invention X and the example of grape promotion.

〈Example of laughing value〉 Specific surface value is about 1300 mVg (B kD'L' method),
Activated carbon powder with a particle size of 325 mesh or less is used for 8 minutes, and 10 pumps are used from the activated return powder unsupplied tank 11. A nozzle 6 is equipped with a super-low slope oscillator 5 close to the outer periphery as shown in Fig. 2. The injected activated carbon powder 8 passes through the opening 6a and is injected into a pair of charged electrodes 7.7 disposed on the right side. Because it was deflected negatively, it progressed further to the right, and the deflection electric body 9.9
The activated carbon powder 8 is charged with a polarity opposite to that of the activated carbon powder 8, and is electrostatically attracted and printed on the stretched porous separator 3.

Deflection'...Of the activated carbon powder 8 that has passed through the poles 9, 9, the activated carbon powder in an insufficiently charged state and the surplus activated carbon powder 8a are lowered into a box-shaped activated return powder unrecovery device 12 with an open top. It will be collected. In addition, the porous separator 3 is moved to the porous separator winder 90,000, which is indicated by the arrow in FIG. By rotating the electrode (omitted), the paste electrode 2 is formed on the porous separator 3 by entering the electrolyte bath accumulating device 13 using a 30 wt % ULIT acid aqueous solution as the electrolyte solution. -1 That is, as shown in FIG. 1, the paste electrode aL2 of the basic cell is formed on one side of the porous separator 3. VC can re-implement the method of the present invention on the other side.

Table 1 compares the ESR, basic cell thickness, and thickness of the electric double layer capacitor obtained by the method of the present invention described above and the electric double layer capacitor obtained by the conventional method. In addition, 50 whistles are included in each of the numbers in Table 1.

It represents the average value of the values calculated for air layer multilayer capacitors.

According to the first article, it can be seen that the ESR of the electric double layer capacitor according to the 'X invention is significantly lower than that of the Jumei construction method example.0 Also, regarding the thickness of the basic cell, the invention example has a lower ESR than the Jumei construction method example. It can be seen that it is extremely thin compared to the

The above is an electrician according to the present invention] The L layer capacitor is a
1: Adsorption printing means can be used, and the manufacturing method is very complicated.

(il) Since the ESR is low and the capacitor can be miniaturized, it is a substitute for the conventional aluminum electrolytic capacitor.

(iiD Design patterns can be sent directly to remote locations via facsimile, etc., so the lead time required from design to production is extremely short.) Improved characteristics and mass productivity of electric double layer capacitors. It has a remarkable effect and its industrial value is great◎

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of an electric double layer capacitor using conventional paste electrodes. FIG. 2 is a diagram showing an example of manufacturing an electric double capacitor according to the present invention. 1... Conductive separator, 2... Pace) Xf&, 3... Porous separator, 4...
...Non-conductive gasket, death! ...Ultrasonic vibrator, 6...Nozzle, 6a...Nozzle 6
opening, 7... charged electrode, 8... activated carbon powder, 8a... activated carbon powder in an insufficiently charged state and surplus activated carbon powder, 9...... Deflection electrode, 1
0...Pump, 11...Activated carbon powder supply tank, 12...Activated return powder uncollected device, 13
...... Electrolyte solution supply device. 2 / Chopsticks / Diagram

Claims (1)

[Claims] A pair of paste electrode layers made of activated carbon powder and an electrolyte separated through a non-electronically conductive porous separator, a pair of conductive layers arranged with one layer of the pair of electrodes in between, and the pair of electrode layers. In an electric double layer capacitor including an insulating member interposed between the four electric layers at the peripheral end of the activated carbon powder, the activated carbon powder is injected between a pair of load electrodes to set the polarity to either positive or negative. The charging process and the charged activated carbon powder? The activated carbon powder, which is deflected in one direction and placed at the front in the injection progress direction, is free-charged and electrostatically adsorbed on the surface of a stretched porous separator. Manufacturing method of double layer capacitor〇