Dendrites could have played a role in battery failures on two Boeing 787 Dreamliners The U.S. National Transportation Safety Board is investigating whether tiny fiber-like formations, known as dendrites, inside lithium-ion batteries could have played a role in battery failures on two Boeing Co. 787 Dreamliners last month.Dendrites, just one of several possible causes under investigation by the agency, accumulate as a battery is charged and discharged, and can cause short circuits, according to battery experts."As part of our continuing investigation, we are looking at whether dendrites may ... Read More