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In Zimbabwe, rolling blackouts hobble mining goals
The country has an ambitious goal to reach $12 billion in mining exports in 2023, but industry leaders say they can't get ahead without reliable electricity.
Could the sand battery make renewable energy more dependable?
A start-up in Finland unveils the world’s first commercial heat storage system using sand to solve the problem of the variability of solar and wind power.
The price of lithium is way up. And right now, electric cars depend on it.
The metal is a key ingredient in the batteries that power all those electric cars.
Lithium may fuel a mining revival in England's Cornwall
Tin mining in Cornwall ground to a halt more than 20 years ago. Now the county has discovered what may be a rich new source of underground wealth.
Why are the Dreamliner's batteries malfunctioning?
Big battery packs are a balancing challenge -- if the cells work unevenly, one can overheat and burst into flames.
That battery in your cell phone packs a lot of history
Prof. John Goodenough discovered the advance that made the lithium-ion battery -- and the wireless world -- possible. But now another breakthrough is needed.
Jelly, not just for donuts, for batteries too
One of the biggest problems with the lithium batteries used in everything from laptops to electric cars, its liquid electrolyte. It gets really hot...