Title:
QUICK RECHARGE ENERGY STORAGE DEVICE, IN THE FORM OF THIN FILMS
Document Type and Number:
WIPO Patent Application WO2003036670
Kind Code:
A3
Abstract:
The invention concerns a quick-recharge energy storage device having a sufficient capacitance resulting from the combination of a micro-battery (1) and at least a micro-supercapacitor (7) connected between two terminals of an integrated circuit (13). The integrated circuit, powered by the micro-battery, controls the rapid (less than one second) charge of the micro-supercapacitors from an external power source (14). The micro-supercapacitor can be connected in parallel with the micro-battery so as to subsequently recharge the micro-battery for the required time. The micro-battery provides sufficient power capacity, while the micro-supercapacitors enable high recharging speeds, compatible with various applications (smart cards, smart labels, microsystem powering and the like). The micro-battery (1) and the micro-supercapacitors (7) are preferably formed on the same substrate, either adjacent, or stacked, The connection is series of several micro-supercapacitors (7a, 7b, 7c) provides sufficient voltage for charging the micro-battery.
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Inventors:
SALOT RAPHAEL (FR)
Application Number:
PCT/FR2002/003588
Publication Date:
April 28, 2005
Filing Date:
October 21, 2002
Export Citation:
Assignee:
COMMISSARIAT ENERGIE ATOMIQUE (FR)
SALOT RAPHAEL (FR)
SALOT RAPHAEL (FR)
International Classes:
H01G9/28; H01G4/40; H01G9/00; H01G9/025; H01G9/155; H01M10/38; H01M10/44; (IPC1-7): H01G9/28; H01G4/40; H01G9/155
Domestic Patent References:
| WO1998048467A1 | 1998-10-29 |
Foreign References:
| US6117585A | 2000-09-12 | |||
| US6187061B1 | 2001-02-13 |
Other References:
RUFER A: "LE SUPERCONDENSATEUR ET LA BATTERIE SE MARIENT POUR FOURNIR DE L'ENERGIE", ELECTRONIQUE, CEP COMMUNICATION, PARIS, FR, no. 100, February 2000 (2000-02-01), pages 81 - 84, XP000954942, ISSN: 1157-1152
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