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Understanding the Performance of (Ni−Fe−Co−Ce)Ox‐Based Water Oxidation Catalysts via Explainable Artificial Intelligence Framework

Rossener Regonia, Paul ; Pelicano, Christian Mark

ChemElectroChem, 2024-05, Vol.11 (9), p.n/a [Periódico revisado por pares]

Weinheim: John Wiley & Sons, Inc

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  • Título:
    Understanding the Performance of (Ni−Fe−Co−Ce)Ox‐Based Water Oxidation Catalysts via Explainable Artificial Intelligence Framework
  • Autor: Rossener Regonia, Paul ; Pelicano, Christian Mark
  • Assuntos: Artificial intelligence ; Catalysis ; catalyst ; Catalysts ; Chemical synthesis ; Cobalt ; Composition ; Electrocatalysts ; explainable AI ; Explainable artificial intelligence ; Iron ; Machine learning ; Metal oxides ; Nickel ; Oxidation ; oxygen evolution reaction ; Oxygen evolution reactions ; Performance prediction ; random forest ; SHAP
  • É parte de: ChemElectroChem, 2024-05, Vol.11 (9), p.n/a
  • Descrição: Among the most active oxygen evolution reaction (OER) catalysts, mixed metal oxides based on Ni, Fe, and Co metals are recognized as economical yet excellent replacements for RuO2 and IrOx. However, tuning and searching for optimal compositions of multi–element–compound electrocatalysts is a big challenge in catalysis research. Conventional materials screening experiments and theoretical simulations are labor–intensive and time–consuming. Machine learning offers a promising paradigm for accelerating electrocatalyst research and simultaneously understanding composition–activity correlation. Herein, we introduce an Explainable AI (XAI) framework for predicting the electrocatalytic performance of OER catalysts. By integrating the robust Random Forest (RF) model for machine learning with the Shapley Additive Explanations (SHAP) method for model explanation, we achieved accurate predictions of the overpotential for various compositions of (Ni−Fe−Co−Ce)Ox catalysts (R2=0.8221). More importantly, we obtained valuable insights into how each metal and their interactions influence the overpotential of the catalysts. Our results highlight the versatility of the RF model with SHAP in identifying the optimal composition of (Ni−Fe−Co−Ce)Ox catalysts for electrocatalytic oxygen evolution, showing its potential applicability across various catalyst synthesis methods. Finally, we anticipate that this work will lead to exciting possibilities in designing highly active multi–element compound electrocatalysts with the aid of explainable AI. We introduce an Explainable AI (XAI) framework for predicting the electrocatalytic performance of OER catalysts. Our results highlight the versatility of Random Forest machine learning with Shapley Additive Explanations in identifying the optimal composition of (Ni−Fe−Co−Ce)Ox catalysts with high predictive accuracy and model explainability, leading to exciting possibilities in designing highly active multi–element compound electrocatalysts with the aid of XAI.
  • Editor: Weinheim: John Wiley & Sons, Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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