TechnologyWe're running out of lithium for batteries – can we use salt instead? Lithium-ion batteries power the world, but with lithium running low, we desperately need a viable alternative. Here’s why common salt may be our best bet Features
TechnologyDash of potassium could help make long-lasting electric car batteries Potassium may hold the key to making lithium-metal batteries safer, which could pave the way towards longer-lasting batteries for electric vehicles 51¶¯Âþ