Drying method of organic supercapacitor pole piece

A technology of super capacitor and drying method, applied in capacitor electrodes, capacitor parts and other directions, can solve the problems of cell damage, waste of cells, low efficiency, etc., to avoid pollution, simplify operation, and reduce production costs.

Inactive Publication Date: 2013-02-27
SHUANGDENG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is cumbersome and inefficient. Second, it needs to take samples from the assembled cells during testing, which will damage the cells and waste one cell each time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The present invention is further illustrated below by way of examples.

[0014] 1. According to the process of supercapacitor 200F capacity, make 3 semi-finished cells as samples. The shell is made of soft-packed aluminum-plastic film, sealed on three sides, and left an opening on one side;

[0015] 2. Put the three samples on the tray with the opening facing upwards, put them into the oven, set the temperature to 100°C, vacuumize to -0.08Mpa, and fill with nitrogen every half an hour for the first 4 hours during baking. Vacuum down to -0.08Mpa in the last 10 minutes, then fill with nitrogen once every 10 hours, and then evacuate to the same vacuum degree, and repeat this. After 24 hours of baking, the oven is lowered to room temperature, and the sample is taken out and weighed immediately in the drying room. The weight is 27.33g, 27.29g and 27.35g respectively. At the same time, a sample was disassembled and tested. The water content of the pole piece was 399ppm, which...

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Abstract

The invention provides a drying method of an organic supercapacitor pole piece and relates to the technical field of supercapacitor manufacture. According to the method, samples are subjected to baking, weighing and moisture test, the corresponding weight after drying is recorded, then, samples and mass-produced products to be dried are baked in the same method, and when the samples are weighed, whether the water content of the pole piece in the batch of products is qualified or not can be judged. The method is used for carrying out drying treatment on the organic supercapacitor pole piece, the operation can be simplified, the work efficiency is improved, in addition, a battery cell cannot be damaged, and the production cost is reduced.

Description

technical field [0001] The invention relates to a drying method for pole pieces of an organic supercapacitor, belonging to the technical field of organic supercapacitor production. Background technique [0002] In the production process of organic supercapacitor pole pieces, the requirements for moisture control are very strict. If the water content in the pole piece is high, the supercapacitor is easy to produce gas and become soft during formation, test or cycle. , affecting the performance and life of the supercapacitor. How to control the moisture content has become a very important link in the production process. The method of removing moisture is baking, but when the baking ends is a problem, we must know under what circumstances, the pole piece moisture has not been baked, and we have to continue baking, under what circumstances , the water content in the pole piece has reached the process requirements, and the baking can be ended. The usual way is to take out a ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/04
CPCY02E60/13
Inventor 杨丛利
Owner SHUANGDENG GRP
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