Proton exchange membrane water electrolyzers converts surplus electric energy into transportable hydrogen energy as a clean energy solution. However, slow oxygen evolution reaction rates and high loading levels of expensive metal oxide catalysts limit its practical feasibility. Now, researchers have developed a new tantalum oxide-supported iridium catalyst that significantly boosts the oxygen evolution reaction speed. Additionally, it shows high catalytic activity and long-term stability in prolonged single cell operation.
from Latest Science News -- ScienceDaily https://ift.tt/RCTqZV5
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