Praised but Fire-Prone, Battery Fails Test in 787 Still, safeguards for lithium-ion batteries have progressed to the point that a fire on an airplane should never have happened, said Sanjeev Mukerjee, a chemistry professor at Northeastern University and an expert on batteries. “If a battery of that size catches fire, then a whole bunch of mechanisms didn’t work,” Mr. Mukerjee said. “Whoever is […]