Internal reforming of methane in a mono-block-layer build solid oxide fuel cell with an embedding porous pipe: Numerical analysis

Ramírez-Minguela, J.J.; Mendoza-Miranda, Juan Manuel; Muñoz-Carpio, V.D.; Rangel-Hernández, V.H.; Pérez-García, V.; Rodríguez-Muñoz, J.L.

doi:10.1016/j.enconman.2013.12.061

Cited by 14 publications

(9 citation statements)

References 43 publications

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“…1 and Fig. 2 are fed with the biogas compositions (60% CH 4 , 35%CO 2 , 2.5%H 2 , 0.5% CO, 1.5 N 2 , 0.5%O 2 ) described in reference [21]. The boundary conditions of the MOLB-type with porous pipe are: input mass flow rate of 4.78 Â 10 À6 kg s À1 imposed at the anodic fuel cell inlet, input mass flow rate of 8.66 Â 10 À5 kg s À1 imposed at the cathode side channel, while a input mass flow rate of 1.15 Â 10 À5 kg s À1 at 873 K is imposed in counter-flow arrangement at porous pipe.…”

Section: Description Cases and Boundary Conditionsmentioning

confidence: 99%

“…According to the literature reviewed, it should be noted that there is not an analysis of the performance comparison between the configuration proposed by Ramirez-Minguela et al [21] and the simple planar geometry using biogas from local sludge. Therefore, the aim of this paper is to investigate solid oxide fuel cell considering a mono-block-layer build type with an embedding porous pipe in the air channel side [21] and simple planar geometries evaluating the multi-physic phenomena that occurs inside the cell.…”

Section: Introductionmentioning

confidence: 98%

“…Andersson et al [20] studied the relationships between the electrochemical active area-to-volume ratios, the couplings between the electrochemical activation energies, the current density distribution, and the activation polarizations for an anode-supported planar SOFC in a 3D numerical model supplying a mixture of hydrogen and steam water as working fuel. Finally, Ramírez et al [21] obtained the performance of a common MOLB-type SOFC and proposed a new configuration of the MOLB-type geometry that consists in embedding a porous pipe in the air channel side. They considered internal reforming of methane in the anode side with different biogas compositions, reaching lower temperature gradient throughout the fuel cell with its new configuration.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, the aim of this paper is to investigate solid oxide fuel cell considering a mono-block-layer build type with an embedding porous pipe in the air channel side [21] and simple planar geometries evaluating the multi-physic phenomena that occurs inside the cell. The fuel cell model is fed by biogas from local sludge allowing internal reforming of methane in the anode side.…”

Section: Introductionmentioning

confidence: 99%

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Solid oxide fuel cell numerical study: modified MOLB-type and simple planar geometries with internal reforming

Ramírez-Minguela

Rodríguez-Muñoz

Pérez-García

et al. 2015

Electrochimica Acta

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Section: Description Cases and Boundary Conditionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Solid oxide fuel cell numerical study: modified MOLB-type and simple planar geometries with internal reforming

Ramírez-Minguela

Rodríguez-Muñoz

Pérez-García

et al. 2015

Electrochimica Acta

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“…They reported the temperature distributions inside the cell with high temperature gradients. Ramírez et al [23] analyzed a simple mono-block-layer build type geometry (MOLB-type). They obtained the performance of the SOFC considering internal reforming of methane in the anode side with different biogas compositions and they proposed a new configuration for the MOLB-type geometry that consists of embedding a porous pipe in the air supply channel, which is fed by air through a counter-flow arrangement.…”

Section: Introductionmentioning

confidence: 99%

Detailed comparison of the performance between a simple and a modified mono-block-layer-built type solid oxide fuel cell

et al. 2022

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A detailed comparison of the performance between a simple Mono-Block-Layer-Build (MOLB) type Solid Oxide Fuel Cell (SOFC) geometry and a MOLB type SOFC with an embedded porous pipe in the air supply channel is carried out. The study considers constant and variable porosities along the porous pipe, fed with an airflow in a counter-flow arrangement. Four cases are analyzed: a) without the porous pipe, b) with a pipe of constant porosity, c) with two different porosities, and d) with four variable porosities. This work is based in a three-dimensional Computational Fluid Dynamics (CFD) model that considers the phenomena of mass transfer, heat transfer, species transport and electrochemical reactions. Detailed comparisons of the voltage, temperature and species concentration are illustrated. The electrode-electrolyte interface contours of species concentration, temperature and electric fields are compared. The results show that there is approximately twice the current density in the geometry that considers the two different porosities compared to the simple geometry. The consumption of hydrogen has the same behavior for the entire tested current density, while the availability of oxygen at the cathode-electrolyte interface is improved in cases with porous pipe compared to the simple MOLB-type geometry. The use of a porous pipe embedded in the air channel showed that it is possible to have a wider operating range of a MOLB-type SOFC, and allowed to obtain a more homogeneous temperature distribution on the electrode-electrolyte interface of the SOFC, consequently, there is the possibility of reducing the thermal stress in the SOFC.

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A review of solid oxide fuel cell based hybrid cycles

Kumar

Singh

2022

Intl J of Energy Research

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The power sector's concern for high efficiency and output has been pushing for newer thermodynamic systems working on appropriate thermodynamic cycles. For quite some time, direct energy conversion systems are seen as suitable options for power generation. Fuel cells in particular have exhibited potential and efforts are made to ensure the best output from them. Solid oxide fuel cells (SOFC) have direct electricity generation and the rejection of heat occurring simultaneously. The heat going as waste from SOFC can be used for running other energy systems to augment the total output from the combined arrangement having SOFC hybrid cycles. The low-temperature cycles like Kalina cycle, organic Rankine cycle (ORC) have been integrated with SOFC along with gas turbine (GT) based systems and engines. The sole aim of operating SOFC in hybrid mode is to ensure that the net amount of heat getting lost is recovered for overall performance improvement. This paper presents a review of the work done in the field of SOFC based hybrid systems, which is likely to be useful for those interested to continue further studies of SOFC.

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Internal reforming of methane in a mono-block-layer build solid oxide fuel cell with an embedding porous pipe: Numerical analysis

Cited by 14 publications

References 43 publications

Solid oxide fuel cell numerical study: modified MOLB-type and simple planar geometries with internal reforming

Solid oxide fuel cell numerical study: modified MOLB-type and simple planar geometries with internal reforming

Detailed comparison of the performance between a simple and a modified mono-block-layer-built type solid oxide fuel cell

A review of solid oxide fuel cell based hybrid cycles

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