Fuel flexibility for a turbocharged SOFC system

Mantelli, Luca; Campo, Marco De; Ferrari, Mario L.; Magistri, Loredana

doi:10.1016/j.egypro.2019.01.454

Cited by 22 publications

(9 citation statements)

References 6 publications

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“…Main components of the TFNs A = (a 1 , a 2 , a 3 ) are the left bound (a 1 ), the center (a 2 ), and the right bound (a 3 ), individually. Some mathematical principles for two TFNs (a 1 1 , a 2 1 , a 3 1 ) and (a 1 2 , a 2 2 , a 3 2 ) are also introduced as follows [51]:…”

Section: Triangular Fuzzy Numbers (Tfns)mentioning

confidence: 99%

“…The consistent improvement in industries causes a huge expansion in energy interest. In this way, expanding nature-accommodating devices with high proficiency is imperative to limit the adverse consequences of non-renewable energy sources [1]. The synthetic energy of vaporous or liquid reactants can be transformed into electricity employing sorts of devices called fuel cells [2].…”

Section: Introductionmentioning

confidence: 99%

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An Integrated Mathematical Attitude Utilizing Fully Fuzzy BWM and Fuzzy WASPAS for Risk Evaluation in a SOFC

et al. 2021

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Nowadays, because of the energy crisis, combined heat and power systems have notable benefits. One of the best devices is SOFC (Solid Oxide Fuel Cell) which joins heat and power frameworks. Some considerable failure modes arise that can affect these devices’ productivity. Generally, failure modes evaluations need an experts team to achieve uncertainties belongs to the risk assessment procedure. To improve the efficiency of the routine FMEA methodology and to represent a suitable hybrid fuzzy MCDM approach for FMEA, in this work, fully fuzzy best-worst method (FF-BWM) is employed to achieve the risk factors weights then fuzzy weighted aggregated sum product assessment (F-WASPAS) approach to detect the failure modes priorities is utilized. Ultimately, the sensitivity analyses demonstrate that the offered framework is verified and can make applicable data in risk management decision-making evaluation.

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Section: Triangular Fuzzy Numbers (Tfns)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An Integrated Mathematical Attitude Utilizing Fully Fuzzy BWM and Fuzzy WASPAS for Risk Evaluation in a SOFC

et al. 2021

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“…The application of high-temperature solid oxide electrochemical devices presents great opportunities for energy conversion; for example, the use of solid oxide fuel cells (SOFCs) for electricity production [1][2][3][4][5]. In conventional SOFCs, thick layers of Y-doped ZrO 2 electrolyte (YSZ) are used as ionic-conducting materials.…”

Section: Introductionmentioning

confidence: 99%

Application of Promising Electrode Materials in Contact with a Thin-Layer ZrO2-Based Supporting Electrolyte for Solid Oxide Fuel Cells

et al. 2020

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The paper presents the results of an investigation into thin single- and triple-layer ZrO2-Sc2O3-based electrolytes prepared using the tape-casting technique in combination with promising electrodes based on La2NiO4+δ and Ni-Ce0.8Sm0.2O2-δ materials. It is shown that pressing and joint sintering of single electrolyte layers allows multilayer structures to be obtained that are free of defects at the layer interface. Electrical conductivity measurements of a triple-layer electrolyte carried out in longitudinal and transverse directions with both direct and alternating current showed resistance of the interface between the layers on the total resistance of the electrolyte to be minimal. Long-term tests have shown that the greatest degradation in resistance over time occurs in the case of an electrolyte with a tetragonal structure. Symmetrical electrochemical cells with electrodes fabricated using a screen-printing method were examined by means of electrochemical impedance spectroscopy. The polarization resistance of the electrodes was 0.45 and 0.16 Ohm∙cm2 at 800 °C for the fuel and oxygen electrodes, respectively. The distribution of relaxation times method was applied for impedance data analysis. During tests of a single solid oxide fuel cell comprising a supporting triple-layer electrolyte having a thickness of 300 microns, a power density of about 160 mW/cm2 at 850 °C was obtained using wet hydrogen as fuel and air as an oxidizing gas.

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“…It is obvious that there is a significant increase in energy demand with the continuous development in technology. Thus, it is critically important to increase the nature friendly technologies with increased efficiency to minimize the negative impact of fossil fuels when they are used as energy sources [1], [2]. Solid Oxide Fuel Cell (SOFC) as an energy conversion device is considered as promising technology for electricity generation due to its high conversion efficiency (50% to 75% in combined cycles) and important environmental benefits [3], [4], [5], [6], [7], [8].…”

Section: Introductionmentioning

confidence: 99%

In-situ temperature monitoring directly from cathode surface of an operating solid oxide fuel cell

et al. 2020

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Fuel flexibility for a turbocharged SOFC system

Cited by 22 publications

References 6 publications

An Integrated Mathematical Attitude Utilizing Fully Fuzzy BWM and Fuzzy WASPAS for Risk Evaluation in a SOFC

An Integrated Mathematical Attitude Utilizing Fully Fuzzy BWM and Fuzzy WASPAS for Risk Evaluation in a SOFC

Application of Promising Electrode Materials in Contact with a Thin-Layer ZrO2-Based Supporting Electrolyte for Solid Oxide Fuel Cells

In-situ temperature monitoring directly from cathode surface of an operating solid oxide fuel cell

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