Battery pack comprising rechargeable battery and a supercapacitor

A composite battery set, including a metal-ceramic ruthenium-oxide ultracapacitor and a secondary lithium-ion battery, is provided. The composite battery set is electrically connected to an electrical device, which cuts down the total impedance by the metal-ceramic ruthenium-oxide ultracapacitor to...

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Bibliographische Detailangaben
Hauptverfasser:	BELL, GREGORY R, LAWSON, JAMES M, PELUGER, KURT, TSAI, KEHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A composite battery set, including a metal-ceramic ruthenium-oxide ultracapacitor and a secondary lithium-ion battery, is provided. The composite battery set is electrically connected to an electrical device, which cuts down the total impedance by the metal-ceramic ruthenium-oxide ultracapacitor to increase the output power and the current. The composite battery set is also able to react a pulse rise time less than 5 ms, to speed up the signal react time of the electronic device. And the composite battery set further includes a protective circuit module (PCM) to protect the secondary lithium-ion battery so as to extend the service life and lifespan.