Rechargeable battery charging method e.g. for laptop computer or mobile phone

The method requires measurement of the temperature (T) of the battery and the charging current and voltage. To control the charging current (I) and voltage (U), a two-step, P, PI, or PID controller is used. To keep the temperature constant, the following parameters are measured: outside temperature,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WIECZOREK, RUDI., 80797 MUENCHEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The method requires measurement of the temperature (T) of the battery and the charging current and voltage. To control the charging current (I) and voltage (U), a two-step, P, PI, or PID controller is used. To keep the temperature constant, the following parameters are measured: outside temperature, battery temperature, actual battery capacity, type of battery and charge status (Qrel). These parameters are also used to establish the initial charge load. The point at which charging is complete is established by detected a given change in charge efficiency.