Chevrolet volt battery incident overview report

  • Published: National Highway Traffic Safety Administration, 2012
  • Authors: Smith, B.
  • Date Added: 06 Feb 2014
  • Last Update: 23 May 2014
  • Format: pdf


To test vehicles with new technology to assure acceptable crash performance and occupant protection. With electric vehicles emerging the agency decided to test vehicles equipped with lithium-ion battery chemistries that were being introduced for sale.


Crash test program

Key Findings:

  • Intrusion damage to the battery with coolant leakage followed by rollover has the potential to expose energised battery components to the battery cooling solution.

  • A fire hazard is produced when the electrically conductive liquid cooling solution comes in contact with the energised battery components.

  • The fires that occurred during the test series tool approximately a week to develop, but could have occurred sooner under different circumstances.


Battery, incident.


Crash test program.