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According to data released by ResearchandMarkets, it is expected that the global lithium battery market will reach $91.8 billion by 2025. However, in the booming industry development trend, the lack of direct solutions for detecting electrolyte leakage has always been a technical pain point for many battery manufacturing enterprises.
Mr. Zhao Fanfei, Sales Director of Yingfukang, mentioned that although various methods such as helium leak detection can be used to detect battery components before injecting electrolyte to ensure they are leak free, it is difficult to conduct reliable integrity leak checks on finished battery cells before leaving the factory after injecting electrolyte and encapsulating them through welding and other processes.
Due to the lack of this link, issues such as electrolyte leakage and premature battery failure are becoming key factors affecting equipment quality, equipment safety, and range in multiple downstream application industries such as the electric transportation industry, 3C electronics, and energy storage.
ELT3000 battery leak detector exhibited by INFICON
At present, the traditional pressurization method or helium pressurization method is still widely used in the industry. The pressurization method is only applicable to the range of leakage rate of 1 * 10-3 to 1 * 10-4 millibar • L/s, and the detection results are easily affected by the negative impact of minimum temperature changes, which cannot guarantee the detection sensitivity of the battery after 10 years of use; Although the helium pressure method can find smaller leaks, the leaks at the bottom of the cell are easily overlooked due to the rise of helium gas to the top, making it difficult to ensure the reliability of the detection results. How to efficiently and reliably complete the leakage inspection of finished battery cells before leaving the factory and ensure battery quality through direct detection of electrolyte has become a common demand of many enterprises.
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