Energy & Green Tech

An ingredient in toothpaste may make electric cars go farther

An ingredient in many toothpastes is sodium fluoride, a compound of fluorine. It is added to protect teeth against decay. But compounds containing fluorine have other practical uses that might surprise you. Scientists at ...

Energy & Green Tech

Q&A: On the road toward cleaner batteries

Over the past decade, SLAC scientist Johanna Nelson Weker has watched hundreds of batteries charge, discharge, and ultimately fizzle out. Her team's research has improved the understanding of battery reliability. More reliable ...

Energy & Green Tech

Scientists create long-lasting, cobalt-free, lithium-ion batteries

In a discovery that could reduce or even eliminate the use of cobalt—which is often mined using child labor—in the batteries that power electric cars and other products, scientists at the University of California, Irvine ...

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