Method for manufacturing super capacitor

Abstract

The invention relates to a method for manufacturing a super capacitor, which comprises the following steps of: preparing slurry; coating; drying, slicing and rolling; manufacturing a battery body; detecting a micro short circuit, welding, loading a shell and injecting liquid; and detecting again. The method for manufacturing the super capacitor has the advantages of effectively preventing the micro short circuit of the battery and improving the yield of the super capacitor; and by manufacturing the super capacitor by the method, the product quality can be ensured, the production cost can be lowered, the final detecting time can be saved, and the benefit can be improved.

Description

technical field [0001] The invention relates to a method for manufacturing a supercapacitor. Background technique [0002] A supercapacitor is a new type of energy storage device between a physical capacitor and a battery. Its energy density is hundreds of times that of an ordinary physical capacitor, and its power density is dozens of times that of a battery. Due to the advantages of stability, reliability, low price, and especially suitable for high-current discharge, supercapacitors are widely used in fields such as automobiles, locomotives, tanks, power stations, and high-energy weapon systems. In the production process, the positive and negative electrode sheets are generally wound or stacked to form the battery body, and the positive and negative electrode sheets often have small burrs and other burrs during the cutting process, and there may be dust in the production workshop, and the diaphragm is relatively thick. Thin and brittle, and there may be particles of acti...

AI Technical Summary

Problems solved by technology

In the production process, the positive and negative electrode sheets are generally wound or stacked to form the battery body, and the positive and negative electrode sheets often have small burrs and other burrs during the cutting process, and there may be dust in the production workshop, and the diaphragm is relatively thick. Thin and brittle, and there may be particles of active material falling off, etc., so micro-short circuit problems are prone to occur under a certain pressure after entering the shell

In addition, because the production unit did not adopt a suitable detection method before the battery core body was loaded into the shell, it caused problems such as low yield and serious waste, which also affected the economic benefits of the unit.

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