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  4. Power antifuse device to bypass or turn-off battery cells in safety-critical and fail-operational systems
 
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2018
Conference Paper
Titel

Power antifuse device to bypass or turn-off battery cells in safety-critical and fail-operational systems

Abstract
This paper presents a new power electronic device, named power antifuse, providing an irreversible bypassing function for the current after having been ignited by an external electrical signal. The antifuse is a scalable power electronic device of 1 cm2 of active area. A pristine antifuse device provides an electric resistance of more than 100 mega-ohms between the terminals. After having been activated, the same antifuse device becomes a bidirectional bypass element offering less than 20 micro-ohms of resistance to the electric current. The activation time corresponding to the delay between the reception of the electrical trigger signal and the full conduction of the antifuse is less than 10 ms even at environment temperatures below -40°C. This paper shows how the integration of antifuse devices in battery cells can be used to bypass and turn-off lithium-ion battery cells thus improving the safety and availability of battery systems used in transport applications like aircraft, railways, ship and road vehicles. The characteristics of the proposed antifuse device make it also an ideal power electronic device for bypassing faulty series connected sub-systems used in high-availability applications or fail-operational redundant systems.
Author(s)
Lorentz, V.R.H.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Waller, R.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Waldhör, S.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Wenger, M.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Gepp, M.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Schwarz, R.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Koffel, S.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Wacker, S.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Akdere, M.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Giegerich, M.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
März, M.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Hauptwerk
IEEE International Conference on Industrial Electronics for Sustainable Energy Systems, IESES 2018. Proceedings
Project(s)
AutoDrive
Funder
European Commission EC
Konferenz
International Conference on Industrial Electronics for Sustainable Energy Systems (IESES) 2018
DOI
10.1109/IESES.2018.8349850
File(s)
N-491765.pdf (884.37 KB)
Language
English
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Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB
Tags
  • antifuse device

  • power electronics

  • lithium-ion battery

  • fail-operational

  • safety

  • redundant architectur...

  • smart battery cell

  • shutdown battery cell...

  • bypass battery cell

  • aircraft

  • Railway

  • ship and road vehicle...

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