Leak detection is a key test for systems and components within the battery pack from cells, contactors, cooling system and the enclosure. Leaks in lithium-ion battery cells can shorten battery life and deplete energy capacity. Leaks also can allow moisture to enter the battery system.
Finally, a fault detection method is carried out via principal component analysis (PCA) and the 3 Sigma principle, and the results show that battery electrolyte leakage can be diagnosed within 5 s on the basis of ultrasonic guided wave signals and the fault detection method.
Any change to the leakage current of a battery rack can be reported to the NMS and the performance data can be recorded. The precision is 5 mA. The maximum leakage current of a battery rack and the change to its leakage current can be exported to as a package named perfmg_uncertain.zip. You can decompress the package to view the values.
As shown in the table, all eight electrolyte-leaking batteries can be successfully detected by this detection algorithm within 5 s after leakage, with an average detection time of 3 s. Table 6. Diagnostic results for different types and quantities of characteristic parameters.
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Free QuoteLeak detection is a key test for systems and components within the battery pack from cells, contactors, cooling system and the enclosure. Cells Leaks in lithium-ion battery cells can shorten battery life and deplete energy …
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