Anthony R. Kucernak

Ultra-low loading electrochemical characterisation methods: best practices and design principles

Karl-Ander Kasuk, Michalis Metaxas, Tingting Mo, Alessandro Difilippo et autres

Abstract This article presents the best practices, design principles, and common pitfalls of two recently developed electrochemical characterisation techniques, the floating electrode (FE) and the ultra-low loading catalyst-coated membranes (ULL-CCMs). These modern characterisation techniques aim to bridge the gap between electrochemical characterisation …

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From Formation to Failure: The Role of Hydrogen Peroxide in Proton Exchange Membrane Technologies

Tingting Mo, Christopher Mark Zalitis, Colleen Jackson, Enrico A. Petrucco et autres

High Resolution Image Download MS PowerPoint Slide Hydrogen peroxide is a catalytic byproduct in proton exchange membrane fuel cells (PEMFCs) and proton exchange membrane water electrolyzers (PEMWEs). It may be produced as a side product of the electrochemical processes occurring at the …

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Computation-Guided Design of Organic Redox-Active Molecules for Electrochemical Storage

Dat Doan, Kim Jelfs, Anthony R. Kucernak, Qilei Song

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The importance of non-ideality of protons and water in the open circuit potential modelling of redox flow battery aqueous electrolytes

Yuchen Sun, Nigel Peter Brandon, Dominik Jakob Weiss, Anthony R. Kucernak

The non-ideality of electrolytes is commonly neglected in redox flow battery (RFB) modelling work. The neglect of activity coefficients introduces a discrepancy of up to 100 mV between the experimental open circuit potential (OCP) and model predicted reversible Nernstian potential, which propagates …

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Designing Co–N/C Cathode Catalysts with Dense Atomic Cobalt Sites for Enhanced PEMFC Performance

Mengjun Gong, Asad Mehmood, Ana Guilherme Buzanich, Tim‐Patrick Fellinger et autres

Abstract Metal‐nitrogen/carbon (M‐N/C) catalysts, particularly those incorporating Fe, Co, or Mn, are among the most promising non‐platinum group catalysts for the acidic oxygen reduction reaction (ORR) in fuel cells. This study reports a Co‐N/C catalyst featuring high (3 wt%) cobalt content exclusively …

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Understanding H 2 -X redox flow battery performance through modeling and design of experiments

Minnan Ye, Catalina A. Pino-Muñoz, C. G. Cannon, Yuchen Sun et autres

This work investigates the impact of operating conditions on the performance of H 2 -X redox flow battery (RFB), using the H 2 -V RFB as a case study. A lumped model incorporating electrochemical kinetics and membrane water transport mechanisms was built …

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Small Organic Molecules as Positive Electrolytes in the Hydrogen-Organic Flow Battery

C. G. Cannon, Nigel Peter Brandon, Anthony R. Kucernak

The hybrid H2-organic flow battery design uses abundant energy storage media on both sides. Carbonyl, amine or nitroxyl groups are the main classes of redox-active organic moieties that enable small organic molecules to act as flow battery redox couples. There is currently …

Enhanced water management using Nafion matrix mixed membranes to improve PEM fuel cell performance by the incorporation of covalent functionalized electrochemical exfoliated graphene oxide

Andrés Parra-Puerto, Javier Rubio‐García, Jose Luque Allede, Elliot Craddock et autres

Description. The incorporation of functionalized EGO-APTS as filler enhances Nafion membrane hydrophilicity, improving the water management and boosting the fuel cell performance over 190% at 70% RH incorporation with the benchmark membrane, while reducing ohmic resistance and overall cost . Hydrophilicity is …

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Formable Multifunctional Composite Manufacture Via Modular Infusion

Emile S. Greenhalgh, Anthony S. David, Mark A. Turk, Dmitry S. Ivanov et autres

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Understanding H2-X Redox Flow Battery Performance Through Modelling and Design of Experiments

Minnan Ye, Catalina A. Pino-Muñoz, C. G. Cannon, Yu‐Chen Sun et autres

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The Importance of Non-Ideality of Protons and Water in the Open Circuit Potential Modelling of Redox Flow Battery Aqueous Electrolytes

Yu‐Chen Sun, Anthony R. Kucernak, Nigel Peter Brandon, Dominik Jakob Weiss

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The Importance of Non-Ideality of Protons and Water in the Open Circuit Potential Modelling of Redox Flow Battery Aqueous Electrolytes

Yu‐Chen Sun, Anthony R. Kucernak, Nigel Peter Brandon, Dominik Jakob Weiss