Numerical Simulation of Processes in an Electrochemical Cell Using COMSOL Multiphysics

Iliev, Iliya K.; Gizzatullin, Azamat R.; Filimonova, Antonina A.; Chichirova, Natalia D.; Beloev, Ivan H.

doi:10.3390/en16217265

Cited by 9 publications

(5 citation statements)

References 48 publications

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“…In the field of hydrogen production using a proton-exchange membrane (PEM) electrolyzer, a modeling tool based on computational fluid dynamics (CFD) software, ANSYS/Fluent was used [209]. In the field of fuel cells, which are a promising source of clean energy, COMSOL Multiphysics was used to incorporate a range of physical phenomena to simulate the performance of solid oxide fuel cells (SOFCs) [210]. In another study, a numerical simulation of a three-dimensional model with a single flow channel was constructed.…”

Section: Tools For Electrochemical Modelingmentioning

confidence: 99%

Recent Advances in Applied Electrochemistry: A Review

Yammine,

El-Nakat,

Kassab

et al. 2024

Chemistry

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Applied electrochemistry (AE) plays today an important role in a wide range of fields, including energy conversion and storage, processes, environment, (bio)analytical chemistry, and many others. Electrochemical synthesis is now proven as a promising pathway to avoid all disadvantages in terms of high energy consumption and high pollution, while electrochemical modeling becomes a powerful tool to understand complex systems and predict and optimize the electrochemical devices under various conditions, which reduce study time and cost. The vital role of electrochemistry will greatly be considered in the upcoming years, aiming to reduce carbon footprints and supporting the transition towards a green and more sustainable energy framework. This review article summarizes the recent advances in applied electrochemistry. It shows how this field has become an indispensable tool for innovation, progress, problem-solving in the modern world, and addressing societal challenges across diverse fields.

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Section: Tools For Electrochemical Modelingmentioning

confidence: 99%

Recent Advances in Applied Electrochemistry: A Review

Yammine,

El-Nakat,

Kassab

et al. 2024

Chemistry

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“…(7) Anode and cathode outlet temperatures are computed from the model. (8) All gases are ideal gases in SOFC. Based on the relevant literature data [14,25], the geometric dimensions of the SOFC are shown in Table 1.…”

Section: Description Of the Sofc Modelmentioning

confidence: 99%

“…(6) The SOFC gas inlet temperature and operating temperature are both set at 800 • C. (7) Anode and cathode outlet temperatures are computed from the model. (8) All gases are ideal gases in SOFC. Unlike the combustion power generation of internal combustion engines, hydrogen, and oxygen generate electricity directly through electrochemical reactions in SOFC.…”

Section: Description Of the Sofc Modelmentioning

confidence: 99%

“…Through previous research, it is known that structural parameters are one of the important factors affecting SOFCs [6,7]. In order to analyze the influence of structural dimensions on the performance of SOFCs, numerous scholars have developed simulation models of SOFCs in various states [8][9][10]. Cui et al developed a two-dimensional model of a flat plate tube segmented tandem solid oxide fuel cell (FTS-SOFC) to analyze the impact of structural dimensions on the uniformity of cell voltage.…”

Section: Introductionmentioning

confidence: 99%

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Numerical Study on Effects of Flow Channel Length on Solid Oxide Fuel Cell-Integrated System Performances

Liu,

et al. 2024

Sustainability

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The structural dimensions of the SOFC have an important influence on the solid oxide fuel cell (SOFC)-integrated system performance. The paper focuses on analyzing the effect of the flow channel length on the integrated system. The system model includes a 3-D SOFC model, established using COMSOL, and a 1-D model of the SOFC-integrated system established, using Aspen Plus V11. This analysis was conducted within an operating voltage range from 0.4 V to 0.9 V and flow channel length range from 6 cm to 18 cm for the SOFC-integrated system model. Performance evaluation indicators for integrated systems are conducted, focusing on three aspects: net electrical power, net electrical efficiency, and thermoelectric efficiency. The purpose of the paper is to explore the optimal flow channel length of SOFC in the integrated system. The results indicate that there is inevitably an optimal length in the integrated system at which both the net electrical power and net electrical efficiency reach their maximum values. When considering the heat recycling in the system, the integrated system with a flow channel length of 16 cm achieves the highest thermoelectric efficiency of 65.68% at 0.7 V. Therefore, there is a flow channel length that allows the system to achieve the highest thermoelectric efficiency. This study provides optimization ideas for the production and manufacturing of SOFCs from the perspective of practical engineering applications.

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“…In their study, it was observed that the SOFC produced 1340 W/m 2 power with a current density of 0.25 A/cm 2 when operated with hydrogen, and 1200 W/m 2 at the same current density when operated with methane. When syngas was used, the power density reached 1340 W/m 2 at a current density of 0.3 A/cm 2 [37].…”

Section: Introductionmentioning

confidence: 99%

Numerical and Thermodynamic Analysis of the Effect of Operating Temperature in Methane-Fueled SOFC

Kumuk,

Atak,

Dogan

et al. 2024

Energies

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This study examines the thermodynamic and numerical analyses of a methane-fed solid oxide fuel cell (SOFC) over a temperature range varying between 873 K and 1273 K. These analyses were conducted to investigate and compare the performance of the SOFC under various operating conditions in detail. As part of the thermodynamic analysis, important parameters such as cell voltage, power density, exergy destruction, entropy generation, thermal efficiency, and exergy efficiency were calculated. These calculations were used to conduct energy and exergy analyses of the cell. According to the findings, an increase in operating temperature led to a significant improvement in performance. At the initial conditions where the SOFC operated at a temperature of 1073 K and a current density of 9000 A/m2, it was observed that when the temperature increased by 200 K while keeping the current density constant, the power density increased by a factor of 1.90 compared to the initial state, and the thermal efficiency increased by a factor of 1.45. Under a constant current density, the voltage and power density values were 1.0081 V, 1.0543 V, 2337.13 W/m2, and 2554.72 W/m2 at operating temperatures of 1073 K and 1273 K, respectively. Under a current density of 4500 A/m2, the entropy generation in the cell was determined to be 29.48 kW/K at 973 K and 23.68 kW/K at 1173 K operating temperatures. The maximum exergy efficiency of the SOFC was calculated to be 41.67% at a working temperature of 1273 K and a current density of 1500 A/m2. This study is anticipated to be highly significant, as it examines the impact of temperature variation on exergy analysis in SOFC, validating both numerical and theoretical results, thus providing a crucial roadmap for determining optimized operating conditions.

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Numerical Simulation of Processes in an Electrochemical Cell Using COMSOL Multiphysics

Cited by 9 publications

References 48 publications

Recent Advances in Applied Electrochemistry: A Review

Recent Advances in Applied Electrochemistry: A Review

Numerical Study on Effects of Flow Channel Length on Solid Oxide Fuel Cell-Integrated System Performances

Numerical and Thermodynamic Analysis of the Effect of Operating Temperature in Methane-Fueled SOFC

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