Method and Device for Detdermining the Ageing of a Battery
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Abstract
Disclosed is a method for determining the ageing (SoH) of a battery (1, 2), such as a lead battery, a nickel metal hydride battery, a lithium ion battery or a capacitor for a vehicle. Several parameters (5.1 to 5.n) of the battery (1, 2) are detected or determined and two parameters (5.1 to 5.n) are predefined as a pair of parameters (5.1 to 5.n, 5.1 to 5.n) and are correlated in such a way that the parameter ranges that form the basis of each parameter (5.1 to 5.n) and value pairs (X1, Y1 to Xn, Ym) of the predefined pair of parameters (5.1 to 5.n, 5.1 to 5.n) that result from said ranges are weighted in classes.
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Citations
34 Claims
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1-17. -17. (canceled)
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18. A method for determining the ageing (SoH) of a battery (1, 2), comprising:
determining in which several parameters (5.1 to 5.n) of the battery (1, 2), wherein two respective parameters (5.1 to 5.n) are predefined as a pair of parameters (5.1 to 5.n, 5.1 to 5.n) and are correlated in such a way that the parameter ranges that form the basis of each parameter (5.1 to 5.n) and value pairs (X1, Y1 to Xn, Ym) of the predefined pair of parameters (5.1 to 5.n, 5.1 to 5.n) that result from said ranges are weighted in classes. - View Dependent Claims (19, 20, 21, 22)
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30. An apparatus for determining the ageing (SoH) of a battery (1, 2), the apparatus comprising:
storage (7), in which several parameters (5.1 to 5.n) of a battery (1, 2) are deposited such that two respective parameters (5.1 to 5.n) are correlated as a pair of parameters (5.1 to 5.n, 5.1 to 5.n) and that the parameter ranges that form the basis of each parameter (5.1 to 5.n) and value pairs (X1, Y1 to Xn, Ym) of the predefined pair of parameters (5.1 to 5.n, 5.1 to 5.n) that result from said ranges are weighted in classes. - View Dependent Claims (31, 32, 33, 34)
Specification