Thermal image A (IMAGE) University College London Caption Thermal image showing thermal runaway of an 18650 cell with an implanted internal short circuiting device Credit Donal Finegan (UCL, NASA and NREL) Usage Restrictions Please give appropriate credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.