Sodium-ion batteries for electric vehicles and energy storage are moving toward the mainstream. Wider use of these batteries could lead to lower costs, less fire risk, and less need for lithium, ...

Historically, making a thin phone meant trading the usual battery for one that's slimmer and less robust. And what good is a thin phone with poor battery life? Up-and-coming silicon-carbon battery ...

Ford's "breakthrough" EVs will use batteries that are up to a third smaller than those of competitors. But they'll still offer similar range, said the company's top EV boss, Doug Field. Many of ...