Quality requirements for separators
2021-03-05
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Quality requirements for separators
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- Time of issue:2021-03-05
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(Summary description)Separator is an important part in battery production, its advantages and disadvantages directly affect the battery's discharge capacity and charge-discharge cycle life, so we must pay attention to the selection and research of battery separators. The quality requirements of the separator should generally have the following requirements
Quality requirements for separators
(Summary description)Separator is an important part in battery production, its advantages and disadvantages directly affect the battery's discharge capacity and charge-discharge cycle life, so we must pay attention to the selection and research of battery separators. The quality requirements of the separator should generally have the following requirements
- Categories:company news
- Author:
- Origin:
- Time of issue:2021-03-05
- Views:0
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Separator is an important part in battery production, its advantages and disadvantages directly affect the battery's discharge capacity and charge-discharge cycle life, so we must pay attention to the selection and research of battery separators. The quality requirements of the separator should generally have the following requirements
1. The separator material itself is an insulator, but the separator must have a loose porous structure and can absorb a large amount of electrolyte solution;
2. The chemical stability of the separator is better, and it must be resistant to sulfuric acid corrosion, oxidation and aging;
3. The clapboard should have greater mechanical strength and elasticity, which is convenient for installation in production;
4. The separator should have good wettability, that is, it should be quickly saturated with electrolyte sulfuric acid;
5. There should be no impurities in the separator that can be leached out of the sulfuric acid solution that are harmful to the battery;
6. The surface color of the partition should be basically the same, and cracks and perforations are not allowed;
7. The resistance of the separator immersed in the electrolyte sulfuric acid solution is small;
8. The separator should have a wide range of operating temperature;
9. The separator should have a certain porosity, and the consistency of the pore size should be high;
10. The soft partition should have the required shrinkage or expansion rate;
11. The soft partition should have good folding resistance;
12. The dry thickness and uniformity of the separator should meet the requirements of the index;
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