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Batteries 2017, 3(1), 1; doi:10.3390/batteries3010001

Overcurrent Abuse of Primary Prismatic Zinc–Air Battery Cells Studying Air Supply Effects on Performance and Safety Shut-Down

1
Department of Physics, Chalmers University of Technology, Kemivagen 9, SE-41296 Gothenburg, Sweden
2
Electronics, SP Technical Research Institute of Sweden, Brinellgatan 4, SE-50115 Borås, Sweden
3
Volvo Group Trucks Technology, Sven Hultins gata 9, SE-41288 Gothenburg, Sweden
4
Department of Physics, University of Gothenburg, Fysikgarden 1, SE-41296 Gothenburg, Sweden
*
Author to whom correspondence should be addressed.
Academic Editor: Andreas Jossen
Received: 27 September 2016 / Revised: 6 December 2016 / Accepted: 20 December 2016 / Published: 3 January 2017
(This article belongs to the Special Issue Battery Safety)
View Full-Text   |   Download PDF [4589 KB, uploaded 3 January 2017]   |  

Abstract

Overcurrent abuse has been performed on commercial 48 Ah primary prismatic zinc (Zn)–Air battery cells with full air supply as well as with shut-off air supply. Compared to other battery technologies, e.g., lithium-ion batteries, metal–air batteries offer the possibility to physically stop the battery operation by stopping its air supply, thus offering an additional protection against severe battery damage in the case of, e.g., an accidental short circuit. This method may also reduce the electrical hazard in a larger battery system since, by stopping the air supply, the voltage can be brought to zero while maintaining the energy capacity of the battery. Measurements of overdischarge currents and current cut-off by suffocation have been performed to assess the safety of this type of Zn–air battery. The time to get to zero battery voltage is shown to mainly be determined by the volume of air trapped in the cell. View Full-Text
Keywords: abuse; air supply; metal–air; overcurrent; overdischarge; primary battery; safety; suffocation; zinc (Zn)–air abuse; air supply; metal–air; overcurrent; overdischarge; primary battery; safety; suffocation; zinc (Zn)–air
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Larsson, F.; Rytinki, A.; Ahmed, I.; Albinsson, I.; Mellander, B.-E. Overcurrent Abuse of Primary Prismatic Zinc–Air Battery Cells Studying Air Supply Effects on Performance and Safety Shut-Down. Batteries 2017, 3, 1.

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