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Cascade Adsorption Mechanism to Overcome the Activation Energy Barrier in Oxygen Reduction Reactions
Cascade Adsorption Mechanism to Overcome the Activation Energy Barrier in Oxygen Reduction Reactions
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机译:级联吸附机制以克服氧气还原反应中的激活能量屏障
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摘要
The oxygen reduction reaction (ORR) catalyst has particles of a first ORR catalyst material interspersedly contacted with particles of a second ORR catalyst material. The first and second ORR catalyst materials have different d-band centers, whereby oxygen is rapidly adsorbed at the first binding site, partially reduced, and then transported to the second site where the reduction is complete and rapidly desorbed by water. can be This allows the catalyst to avoid the limitations of slow reactant binding and/or slow product release.
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