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Series-connected substrate-integrated lead-carbon hybrid ultracapacitors with voltage-management circuit

Banerjee, A and Srinivasan, R and Shukla, AK (2015) Series-connected substrate-integrated lead-carbon hybrid ultracapacitors with voltage-management circuit. In: BULLETIN OF MATERIALS SCIENCE, 38 (1). pp. 129-133.

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Official URL: http://dx.doi.org/10.1007/s12034-014-0817-4

Abstract

Cell voltage for a fully charged-substrate-integrated lead-carbon hybrid ultracapacitor is about 2.3 V. Therefore, for applications requiring higher DC voltage, several of these ultracapacitors need to be connected in series. However, voltage distribution across each series-connected ultracapacitor tends to be uneven due to tolerance in capacitance and parasitic parallel-resistance values. Accordingly, voltage-management circuit is required to protect constituent ultracapacitors from exceeding their rated voltage. In this study, the design and characterization of the substrate-integrated lead-carbon hybrid ultracapacitor with co-located terminals is discussed. Voltage-management circuit for the ultracapacitor is presented, and its effectiveness is validated experimentally.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the INDIAN ACAD SCIENCES, C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
Keywords: Ultracapacitor; substrate-integrated lead-dioxide electrode; voltage-management cell-balancing circuit
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 24 Apr 2015 05:59
Last Modified: 24 Apr 2015 05:59
URI: http://eprints.iisc.ac.in/id/eprint/51387

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