Which way does electricity flow through a vehicle’s electrical system? From positive to negative, or from negative to positive? Depending on your viewpoint, it can flow either way. When most ...

Flow batteries can feed energy back to the grid for – much longer than lithium-ion batteries which only last four to six hours. I was of one of the main types of flow battery in the 1980s.

Australia needs better ways of storing renewable electricity for later. That’s where ‘flow batteries’ can help Story by Maria Skyllas-Kazacos, UNSW Sydney • 2w ...