New energy storage catalysts

The double perovskite  has atoms of barium (green) and a lanthanide (purple) within a structure of cobalt (pink) and oxygen (red). Photo credit: MIT research team

The perovskite has atoms of barium (green) and lanthanide (purple) within a cobalt (pink) and oxygen (red) structure. Photo credit: MIT research team

They’re abundant, new to science and, say researchers at MIT, give the best ever performance in a reaction that is key to advanced fuel cells and lithium-air batteries. The materials are known as double perovskites and are a variant of minerals commonly found in the Earth’s crust.
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