Just keeping my eyes peeled for new announcements, I have seen close to a hundred announcements of legitimate breakthroughs in improved battery performance. And there seem to be an even larger set of dubious announcements where it looks like the science needs years...
A team in Ottawa recently had some success in using micro-pulsing to recharge Li-ion batteries much faster, like a full EV recharge in 5 minutes. See this article. That’s a big deal. But it switches the problem from “how fast can a battery accept a charge” to “how...