Determination and validation of polarization losses parameters to predict current/voltage-characteristics for SOFC button cell

Del Zotto, Luca; Tamburrano, Giacomo; Dell'Era, Alessandro; Hatunoglu, Arda; Ciro, Erwin

doi:10.1016/j.enconman.2023.117877

Energy Conversion and Management

2024

DOI: 10.1016/j.enconman.2023.117877

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Determination and validation of polarization losses parameters to predict current/voltage-characteristics for SOFC button cell

Luca Del Zotto,

Giacomo Tamburrano,

Alessandro Dell'Era

et al.

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Cited by 6 publications

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Electrochemical Impedance Spectroscopy as a Characterization Method for Enzymatic Fuel Cell Bioanodes

Torrigino,

Nagel,

Hartmann

et al. 2024

ChemElectroChem

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Enzymatic fuel cells (EFCs) offer renewable energy conversion via highly selective electrode reactions using enzymes as natural catalysts even under mild conditions. Electrochemical impedance spectroscopy (EIS) is a valuable tool for evaluating EFC performance, providing insights into substrate mass transport, enzyme kinetics, and electrode stability. Despite its acknowledged importance, the use of EIS coupled with distribution of relaxation times (DRT) analysis in EFCs research is limited. Our study addresses this gap by employing EIS and DRT analysis to investigate enzyme‐based anodic processes, focusing on the bioelectrocatalytic oxidation of glucose catalyzed by glucose oxidase (GOx). Through careful variation of multiple parameters, it was possible to identify three distinct regions in the DRT plot. Each region has been subsequently associated with a key anodic process. The first region (R1) is associated with high‐frequency phenomena occurring at the electrodes, primarily due to ionic conduction in the electrolyte. Intermediate‐frequency processes are associated to charge transfer kinetics in region 2 (R2). Region 3 (R3) is linked to diffusion processes occurring at low frequencies. This thorough examination offers an insight into the functioning of enzymatic bioelectrodes, which in turn drives improvements in the design and components of biofuel cells to increase their power output.

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Electrochemical Impedance Spectroscopy as a Characterization Method for Enzymatic Fuel Cell Bioanodes

Torrigino,

Nagel,

Hartmann

et al. 2024

ChemElectroChem

View full text Add to dashboard Cite

show abstract

A metaheuristic Multi-Objective optimization of energy and environmental performances of a Waste-to-Energy system based on waste gasification using particle swarm optimization

Qiao,

Ding,

She

et al. 2024

Energy Conversion and Management

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An experimentally derived calibration model for hydrogen-fueled solid oxide fuel cells at intermediate temperature

Hafsi,

Vecino-Mantilla,

Lo Faro

2024

International Journal of Hydrogen Energy

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Determination and validation of polarization losses parameters to predict current/voltage-characteristics for SOFC button cell

Cited by 6 publications

References 45 publications

Electrochemical Impedance Spectroscopy as a Characterization Method for Enzymatic Fuel Cell Bioanodes

Electrochemical Impedance Spectroscopy as a Characterization Method for Enzymatic Fuel Cell Bioanodes

A metaheuristic Multi-Objective optimization of energy and environmental performances of a Waste-to-Energy system based on waste gasification using particle swarm optimization

An experimentally derived calibration model for hydrogen-fueled solid oxide fuel cells at intermediate temperature

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