These Incredible Saltwater Batteries Are Designed To Store Renewable Energy

“A lot of things that are put forward as the next thing in batteries actually have very unexplored scalability,” says Whitacre, a professor at Carnegie Mellon University’s College of Engineering. “Our team’s decision very early on was not to work on things that didn’t have an obvious path to manufacturing. We started from almost ‘how do I manufacture this?’ rather than ‘what material should I use?'”