Energy & Green Tech

In US, rare earths extracted from coal mine wastewater

In the Appalachian region stretching through the U.S. state of West Virginia, reddish water flowing out of retired coal mines is acidic, full of heavy metals and toxic to the environment.

Energy & Green Tech

Built to last: Hydrogen catalyst operates for 3,000 hours

A research team has developed a highly durable platinum-nickel (PtNi) hydrogen evolution catalyst that suppresses nickel (Ni) leaching through atomic ordering. Nickel leaching is a major cause of performance degradation in ...

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