Flat-chip flame fuel cell operated on a catalytically enhanced porous media combustor

Zeng, Hongyu; Gong, Siqi; Wang, Yuqing; Shi, Yixiang; Hu, Qian; Cai, Ningsheng

doi:10.1016/j.enconman.2019.06.008

Cited by 19 publications

(5 citation statements)

References 38 publications

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“…Figure shows the U – t diagram of hydrogen production. The solid oxide battery stack for the electrolysis reaction consists of several flat cells and a heating mantle . The electrolysis current of 1.6 A was used for constant current electrolysis for 50 h, and the average electrolysis voltage was 1.43 V. It was assumed that 50% of water was converted, and the faradic efficiency was 100% according to experimental results.…”

Section: Materials and Methodsmentioning

confidence: 99%

“…The solid oxide battery stack for the electrolysis reaction consists of several flat cells and a heating mantle. 31 The electrolysis current of 1.6 A was used for constant current electrolysis for 50 h, and the average electrolysis voltage was 1.43 V. It was assumed that 50% of water was converted, and the faradic efficiency was 100% according to experimental results. Therefore, the hydrogen production unit adopted a constant conversion reactor (RStoic), and all of the heat required by the reactor was supplied by electric energy.…”

Section: Methodsmentioning

confidence: 99%

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Direct Methanation of CO₂ in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

Zhang

Zeng

et al. 2022

Energy Fuels

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Methanation of CO 2 in biogas could realize CO 2 utilization; meanwhile, the biogas is upgraded. In this study, a methanation catalyst was designed and the system efficiency considering a solid oxide electrolysis cell (SOEC) was evaluated. A layered nickel silicate catalyst was synthesized and modified by doping with trace amounts of precious metal Pt and alkaline-earth metal Mg. The conversion of CO 2 reached 79% with 100% selectivity toward CH 4 for model biogas with 50 vol % CO 2 and 50 vol % CH 4 over the Pt-and MgO-doped Ni/SiO 2 catalyst at 350 °C. A simulation system consisting of SOEC and methanation of simulated biogas is built with commercial software Aspen Plus. The energy efficiency was analyzed and optimized through a heat exchange network, which achieved about 30% increase in efficiency. The energy utilization efficiency can be greater than 86% when the CO 2 conversion in biogas is greater than 99% by adjusting the methanation temperature and H 2 /CO 2 ratio. The energy efficiency in direct methanation of biogas exceeds 8% higher than that in methanation of CO 2 separated from biogas.

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Section: Materials and Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Direct Methanation of CO₂ in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

Zhang

Zeng

et al. 2022

Energy Fuels

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“…Delalic et al [52] developed a porous media combustor with an integrated heat exchanger to enhance heat capacity and improve flame stability. Zeng et al [53] developed a catalytically enhanced porous media combustor integrated with a flat-chip SOFC, introducing an innovative flat-chip flame fuel cell system. In another study, Zeng et al [54] designed a biogas-powered Flame Fuel Cell for micro-combined heat and power (CHP) systems, leveraging local resources.…”

Section: Design and Performance Optimizationmentioning

confidence: 99%

A Comprehensive Review of Thermal Management in Solid Oxide Fuel Cells: Focus on Burners, Heat Exchangers, and Strategies

Li,

Wang,

Chen

et al. 2024

Energies

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Solid Oxide Fuel Cells (SOFCs) are emerging as a leading solution in sustainable power generation, boasting high power-to-energy density and minimal emissions. With efficiencies potentially exceeding 60% for electricity generation alone and up to 85% when in cogeneration applications, SOFCs significantly outperform traditional combustion-based technologies, which typically achieve efficiencies of around 35–40%. Operating effectively at elevated temperatures (600 °C to 1000 °C), SOFCs not only offer superior efficiency but also generate high-grade waste heat, making them ideal for cogeneration applications. However, these high operational temperatures pose significant thermal management challenges, necessitating innovative solutions to maintain system stability and longevity. This review aims to address these challenges by offering an exhaustive analysis of the latest advancements in SOFC thermal management. We begin by contextualizing the significance of thermal management in SOFC performance, focusing on its role in enhancing operational stability and minimizing thermal stresses. The core of this review delves into various thermal management subsystems such as afterburners, heat exchangers, and advanced thermal regulation strategies. A comprehensive examination of the recent literature is presented, highlighting innovations in subsystem design, fuel management, flow channel configuration, heat pipe integration, and efficient waste heat recovery techniques. In conclusion, we provide a forward-looking perspective on the state of research in SOFC thermal management, identifying potential avenues for future advancements and their implications for the broader field of sustainable energy technologies.

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“…For the time being, they can be a solution for serious concerns such as the shortage in fossil fuel resources and crises in environmental pollution. Proton exchange membrane fuel cell (PEMFC) is among the most promising types of fuel cells for many advantages such as high-power density, high efficiency, first start up, low operating temperature (< 100 °C), noiselessness (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13). The overview of a PEMFC is shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

(Digital Presentation) Corrosion Behavior of Aluminum-Carbon Composite Bipolar Plates in Polymer Electrolyte Membrane Fuel Cells

Jahan¹,

Alam²,

Yonezawa³

et al. 2022

ECS Trans.

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Bipolar plate, aluminum is one of the most promising alternatives that can capable of uniform distribution of reactive gases over active areas and removal of the heat and exhaust water from the PEMFC. In this work, PEM fuel cell was operated using the bipolar plate constructed of two materials: a channel former made of glassy carbon and a gas isolation plate made of aluminum. Aluminum gas isolation plate at cathode side remained glossy after even1000 h cell operation. In contrast, an oxide layer with a thickness of about 1 μm was formed on the gas isolation plate at anode side. In the simulated corrosion test, a thick oxide layer was formed when aluminum was immersed in water while only a thin oxide layer was formed in the saturated water vapor. The microscopic images, scanning electron microscopy (SEM) images, energy dispersive X-ray (EDX) spectra and transmission electron microscopy (TEM) images were taken to evaluate the surface morphology, elemental composition and other analyses.

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Flat-chip flame fuel cell operated on a catalytically enhanced porous media combustor

Cited by 19 publications

References 38 publications

Direct Methanation of CO₂ in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

Direct Methanation of CO₂ in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

A Comprehensive Review of Thermal Management in Solid Oxide Fuel Cells: Focus on Burners, Heat Exchangers, and Strategies

(Digital Presentation) Corrosion Behavior of Aluminum-Carbon Composite Bipolar Plates in Polymer Electrolyte Membrane Fuel Cells

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Flat-chip flame fuel cell operated on a catalytically enhanced porous media combustor

Cited by 19 publications

References 38 publications

Direct Methanation of CO2 in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

Direct Methanation of CO2 in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

A Comprehensive Review of Thermal Management in Solid Oxide Fuel Cells: Focus on Burners, Heat Exchangers, and Strategies

(Digital Presentation) Corrosion Behavior of Aluminum-Carbon Composite Bipolar Plates in Polymer Electrolyte Membrane Fuel Cells

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Product

Resources

About

Direct Methanation of CO₂ in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency

Direct Methanation of CO₂ in Biogas with Hydrogen from Water Electrolysis: The Catalyst and System Efficiency