Metal Air Batteries - Europe PMC

Theory-Guided Regulation of FeN 4 Spin State by Neighboring Cu Atoms for Enhanced Oxygen Reduction Electrocatalysis in Flexible Metal-Air Batteries.

Results from first-principles experiments indicate a nearly linear relationship between the energy barriers of key reaction steps with the Fe magnetic moment in this study. The Fe centers show a reduced magnetic moment and markedly elevated ORR activity within a wide pH range from 0-14.

Source link: https://europepmc.org/article/MED/35468253

In Situ Monitored (N, O)-Doping of Flexible Vertical Graphene Films with High-Flux Plasma Enhanced Chemical Vapor Deposition for Remarkable Metal-Free Redox Catalysis Essential to Alkaline Zinc-Air Batteries.

In a single step, a high-performance metal-free bifunctional catalyst is synthesized in a single step by controlling radicals inside the newly developed high-flux plasma enhanced chemical vapor deposition device with in situ plasma diagnostics. Application of such VGNO to aqueous ZABs and flexible solid-state ZABs demonstrated high discharge power density and excellent cycling stability, which notably outperform ZABs using benchmarked precious-metal based catalysts.

Source link: https://europepmc.org/article/MED/35246956

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