On Demand Internal Short Circuit Device Enables Verification of Safer, Higher Performing Battery Designs

Matthew Keyser, Eric Darcy

Research output: NRELPoster

Abstract

The Internal Short Circuit (ISC) device enables critical battery safety verification. With the aluminum interstitial heat sink between the cells, normal trigger cells cannot be driven into thermal runaway without excessive temperature bias of adjacent cells. With an implantable, on-demand ISC device, thermal runaway tests show that the conductive heat sinks protected adjacent cells from propagation. High heat dissipation and structural support of Al heat sinks show high promise for safer, higher performing batteries.
Original languageAmerican English
StatePublished - 2016

Publication series

NamePresented at the 18th International Meeting on Lithium Batteries, 19-24 June 2016, Chicago, Illinois

NREL Publication Number

  • NREL/PO-5400-67609

Keywords

  • battery safety
  • heat dissipation
  • internal short circuit
  • thermal runaway

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