Direct observation of the local microenvironment in inhomogeneous CO₂ reduction gas diffusion electrodes via versatile pOH imaging

Annette Boehme,Justin C. Bui,Aidan Q. Fenwick,Rohit Bhide,Cassidy Feltenberger,Alex J. Welch,Alex J. King,Adam Z. Weber,Alexis T. Bell,Shane Ardo,Harry A. Atwater

Energy and Environmental Science（2023）

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摘要

We demonstrate pOH imaging with confocal microscopy to probe the microenvironment of an operating CO 2 reduction gas diffusion electrode. We find that the micrometer-scale morphology plays an important role in defining the CO 2 reduction performance.

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关键词

reduction gas diffusion,inhomogeneous co<sub>2</sub>,imaging,local microenvironment

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Direct observation of the local microenvironment in inhomogeneous CO2 reduction gas diffusion electrodes via versatile pOH imaging

Direct observation of the local microenvironment in inhomogeneous CO₂ reduction gas diffusion electrodes via versatile pOH imaging