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Depleted Arkansas oil field could be a lithium gold mine

Nov 5, 2024
The drilling byproduct could power future electric vehicles and expand the U.S. role in clean energy. Extraction methods are in development.
If the lithium in Smackover can be recovered commercially, it could power a vast number of electric vehicles and expand the U.S. presence in renewable energy markets.
Thibaut Durand/Hans Lucas/AFP via Getty Images

Why lithium prices have been on a roller coaster ride

Feb 6, 2024
Just a few years ago, lithium prices surged with expectations that EV demand was going to take off. Now prices are down about 80%.
Two U.S. lithium companies have cut jobs and pulled back their capital spending recently. Above, salt evaporation ponds in California's Mojave Desert, where a company plans to extract lithium from the briny water.
David McNew/Getty Images

In Zimbabwe, rolling blackouts hobble mining goals

Apr 5, 2023
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.
Zimbabwe has the largest African lithium deposits, a mineral crucial to electric vehicle batteries. Above, workers inspect an open-pit lithium mine in Goromonzi, Zimbabwe.
Tafadzwa Ufumeli/Getty Images

Could the sand battery make renewable energy more dependable?

Jul 29, 2022
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 sand battery at Kankaanpaa in southwest Finland.
Courtesy Polar Night Energy

The price of lithium is way up. And right now, electric cars depend on it.

Jan 26, 2022
The metal is a key ingredient in the batteries that power all those electric cars.
The price of lithium, used in the batteries of electric vehicles, has increased by more than 40% in the past year.
Justin Sullivan/Getty Images

Lithium may fuel a mining revival in England's Cornwall

Oct 19, 2020
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.
The harbor at Mullion Cove, Cornwall, United Kingdom.
Hugh R Hastings/Getty Images

Why are the Dreamliner's batteries malfunctioning?

Feb 1, 2013
Big battery packs are a balancing challenge -- if the cells work unevenly, one can overheat and burst into flames.

For public good, not for profit.

That battery in your cell phone packs a lot of history

Jan 31, 2013
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

Sep 12, 2011
One of the biggest problems with the lithium batteries used in everything from laptops to electric cars, its liquid electrolyte. It gets really hot...