Ternary-atom catalysts show promise for replacing platinum in energy storage
In short: Researchers have developed a new type of catalyst featuring a combination of cobalt dimers and iron single sites anchored on carbon. This ternary-atom structure was found to enhance the oxygen reduction reaction in both acidic and alkaline environments, outperforming catalysts that contain only cobalt or iron sites.
By using density functional theory calculations, the team identified a synergistic effect where the cobalt and iron structures work together to improve the binding of key intermediates. This discovery could provide a more efficient, non-platinum alternative for driving the chemistry in zinc-air batteries.
Why it matters: This multi-atom approach could lead to efficient, platinum-free alternatives for zinc-air batteries.
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Sources
- Source: Research: Wang et al. (2021). Atomically Dispersed Co 2 –N 6 and Fe–N 4 Costructures Boost Oxygen Reduction Reaction in Both Alkaline and Acidic Media. Advanced Materials. · cc-by-nc
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