For some time now, scientists have eyed cheap and widely abundant salt as a potential replacement for lithium in batteries that power everything from laptops to cars. While these experimental sodium-ion batteries continue to show promise, there are a few kinks to be ironed out before we see them become commonplace. Researchers at Purdue University are claiming to have overcome one important shortcoming by first reducing the sodium to a powder form. ..
Continue Reading A sprinkle of sodium powder keeps salt-based batteries powering on