Electricity: battery or capacitor charging or discharging – Battery or cell charging
Patent
1997-11-12
2000-01-18
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Battery or cell charging
320128, H02J 700
Patent
active
060160470
ABSTRACT:
A battery management system 100 comprises input means 102 for receiving input signals, such as current or voltage, which represent a physical quantity of a battery. In operation, processing means 105 of the battery management system 100 calculate a physical quantity of the battery, such as the State of Charge, based on the input signals by using an electrochemical/physical model of the battery. The model includes a representation of a main electrochemical storage reaction, whose behaviour is calculated in dependence on a battery temperature. The processing means 105 calculates the battery temperature based on a temperature model of a temperature development in the battery. The battery management system 100 comprises output means 104 for outputting an output signal which is derived from a state of the electrochemical storage reaction. The battery management system 100 is, advantageously, used in a smart battery 10 or a battery charger/discharger 200. The model is, advantageously, also used in a battery simulator.
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patent: 5166596 (1992-11-01), Goedken
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Bergveld Hendrik J.
Kruijt Wanda S.
Notten Petrus H.L.
Luk Lawrence
U.S. Philips Corporation
Wieghaus Brian J.
Wong Peter S.
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