Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature
Reexamination Certificate
2005-03-29
2005-03-29
Crepeau, Jonathan (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
Having magnetic field feature
C429S006000, C429S006000, C429S006000
Reexamination Certificate
active
06872480
ABSTRACT:
The method for operating a fuel cell battery (1) comprises an analysis of an integrity state of the battery. This integrity state is determined by means of measurement of operating parameters and a programmed evaluation of the measurement data. The battery is controlled for the purpose of reliable operation in such a manner that the maximum electrical output power is subjected to a limitation which is dependent on the integrity state or an interruption of the operation is initiated. The integrity state can be characterized by at least two parameters, in particular a parameter pair Cj, dj. From a relationship which contains the parameters an internal electrical resistance (Ri) of the battery can be calculated on the one hand and a statement on the quality of the battery can be derived on the other hand.
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Keller Martin
Ruegge Andreas
Crepeau Jonathan
Sulzer Hexis AG
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