Chemistry: Recipe for a good catalyst

Chemistry: Recipe for a good catalyst

Nature 474, 7351 (2011). doi:10.1038/474255d

Faced with the challenge of developing low-cost catalysts for some fuel cells and metal–air batteries, researchers have come up with a basic recipe that ensures high catalytic activity in a family of widely used materials.Perovskite oxides catalyse the oxygen-reduction reaction, a core process in