Energy & Green Tech

Will Africa's metals boom suffer the same curse as oil?

Mechanical diggers are hard at work in the bleak landscape of the Moanda open-cast mine in Gabon, using giant jaws to rip out manganese and then dump the ore into trucks with a crash.

Energy & Green Tech

New material pushes sodium-ion batteries to phase out costly lithium

With lithium prices over five times higher than they were a year ago, researchers from Skoltech and Lomonosov Moscow State University have developed a material for sodium-ion batteries that offer an alternative to the increasingly ...

Energy & Green Tech

Researchers create highest efficiency 1-sun solar cell

Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) created a solar cell with a record 39.5% efficiency under 1-sun global illumination. This is the highest efficiency solar cell of ...