BATTERY MEASUREMENT
According to an example embodiment, a method is provided, the method comprising: determining a respective impedance curve for a plurality of cells extracted from a plurality of rechargeable batteries, wherein each impedance curve is descriptive of an internal impedance of the respective cell as a fu...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
07.08.2024
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Subjects | |
Online Access | Get full text |
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Summary: | According to an example embodiment, a method is provided, the method comprising: determining a respective impedance curve for a plurality of cells extracted from a plurality of rechargeable batteries, wherein each impedance curve is descriptive of an internal impedance of the respective cell as a function of frequency over a predefined frequency range; determining, for each of the plurality of cells, respective one or more impedance characteristics based on the impedance curve determined for the respective cell; and sorting the plurality of cells into one or more quality classes in accordance with the one or more impedance characteristics determined for the plurality of cells. |
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Bibliography: | Application Number: EP20220727359 |