As more electric cars take to UK roads, attention is turning to their safety, in particular fire safety. No matter that petrol and diesel cars can catch fire and many of them do , an electric vehicle fire commands a lot more attention.
It’s partnered by a slice of copper coated with graphite called the anode. In between them is a fragile, perforated plastic separator soaked in an organic solvent that contains a small quantity of additives whose identity is, troublingly, known only to the cell manufacturer. Depending on whether the battery is being charged or discharged, the lithium ions move either from, or to, the cathode and anode. Then the professor gives his audience of firefighters their first shock.