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Single-Step Fabrication of BiOI Nanoplates as Gas Diffusion Electrodes for CO₂ Electroreduction to Formate: Effects of Spray Pyrolysis Temperature on Activity and Flooding Propensity.

ABSTRACT: Bismuth-based electrocatalysts for carbon dioxide (CO₂) reduction are notable for their high formate selectivity, scalability, affordability, and low toxicity. Here, we introduced a facile spray pyrolysis method to fabricate catalyst-coated gas diffusion electrodes (GDE) in one step. Our study revealed that deposition temperatures significantly affected the morphology, crystal orientation, and impurity of bismuth oxyiodide (BiOI) nanoplates. Specifically, BiOI prepared at 250 °C (BiOI-250) exhibited exceptional Faradaic efficiency (>90%) for formate production at a high current range (100-300 mA cm^-2) and demonstrated outstanding stability (>30 h). In situ Raman spectroscopy indicated that BiOI-250's superior performance stemmed from its resilience to microscopic floo

SUBMITTER: Meesombad K

PROVIDER: S-EPMC11406483 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature

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Single-Step Fabrication of BiOI Nanoplates as Gas Diffusion Electrodes for CO₂ Electroreduction to Formate: Effects of Spray Pyrolysis Temperature on Activity and Flooding Propensity.

OmicsDI is part of the ELIXIR infrastructure

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Dataset Information

Single-Step Fabrication of BiOI Nanoplates as Gas Diffusion Electrodes for CO2 Electroreduction to Formate: Effects of Spray Pyrolysis Temperature on Activity and Flooding Propensity.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Single-Step Fabrication of BiOI Nanoplates as Gas Diffusion Electrodes for CO₂ Electroreduction to Formate: Effects of Spray Pyrolysis Temperature on Activity and Flooding Propensity.