The role of ceria in LSM-GDC composite cathode for electrochemical reduction of nitric oxide

Winie, Tan; Chen, Fei; Gong, Lei; Shi, Huangang; Zhong, Qin

doi:10.1016/j.apcatb.2016.02.029

Cited by 17 publications

(6 citation statements)

References 37 publications

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“…The A-site has also been doped/substituted with Li, Na, K, Ag, Cd, Ce, Pr, Nd, Sm, Gd, Dy, Pb, and Bi. 25,36,43,44,[50][51][52]59 This demonstrates that LaFeO 3 -based materials exist in a highly versatile compositional space which allows a large degree of structural modifications.…”

Section: Structure Properties Of Lafeo 3 and Its Related Materialsmentioning

confidence: 95%

“…The addition of Ba to the LaFeO 3 lattice greatly increases the A-site to oxygen bond length in order to accommodate the larger cation, and the average B-site to oxygen bond length does shorten a small amount (Table ). The A-site has also been doped/substituted with Li, Na, K, Ag, Cd, Ce, Pr, Nd, Sm, Gd, Dy, Pb, and Bi. ,,,,− , This demonstrates that LaFeO 3 -based materials exist in a highly versatile compositional space which allows a large degree of structural modifications.…”

Section: Structure Properties Of Lafeo3 and Its Related Materialsmentioning

confidence: 99%

“…Another class of common impurities include the nitrogen oxides (NOx) that usually form when fossil fuels are burned at elevated temperature. As NOx severely contributes to the formation of smog and acid rain, some efforts were attempted to convert them to nitrogen in the SOC with a perovskite catalyst, such as LSM. ,− None of these studies found anything to report regarding perovskite catalyst degradation. Another group of possible impurities includes the halogen-containing compounds.…”

Section: Role Of Feeding Gas Impurities On the Performance Of Lafeo3-...mentioning

confidence: 99%

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A Review on Perovskite-Type LaFeO₃ Based Electrodes for CO₂ Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

et al. 2021

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Mixed ionic and electronic conductors (MIECs) are being studied extensively as a potential replacement for cermet catalysts in solid oxide cells (SOCs)collectively named for solid oxide fuel cells and solid oxide electrolysis cellsdue to their high activity, great stability, and low cost. Perovskite-type LaFeO3-based catalysts are one of the most promising electrodes for SOCs. This review paper provides an update on the chemical composition–crystal structure–physical property relationships and an understanding of the electrochemical reaction mechanisms in the perovskite-type structure LaFeO3 electrodes. Mechanisms for electrochemical CO2 reduction on the perovskite structure surface and oxygen diffusion are discussed. Furthermore, the electrochemical performance enhancement strategies such as composite electrodes and nanoparticles ex-solution are briefly presented together with industrialization issues, e.g., gas impurities and stability of the interconnecting materials.

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Section: Structure Properties Of Lafeo 3 and Its Related Materialsmentioning

confidence: 95%

Section: Structure Properties Of Lafeo3 and Its Related Materialsmentioning

confidence: 99%

Section: Role Of Feeding Gas Impurities On the Performance Of Lafeo3-...mentioning

confidence: 99%

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A Review on Perovskite-Type LaFeO₃ Based Electrodes for CO₂ Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

et al. 2021

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“…Such low ionic conductivities greatly restrict the oxygen reduction reaction to the electrode/electrolyte interface, where the reaction rate is controlled by the oxygen surface exchange [210][211][212]. To expand the TPBs, LSM is commonly mixed with ionic conductors such as YSZ and GDC [213,214]. Thus, despite their good performance at high temperatures, the negligible ionic conductivity of pure LSM materials at low temperatures has made them not suitable for IT-and LT-SOFC applications.…”

Section: Cathode Design and Materialsmentioning

confidence: 99%

Recent Advances and Challenges in Thin-Film Fabrication Techniques for Low-Temperature Solid Oxide Fuel Cells

2023

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Solid oxide fuel cells (SOFCs) are amongst the most widely used renewable alternative energy systems with near-zero carbon emission, high efficiency, and environment-friendly features. However, the high operating temperature of SOFCs is still considered a major challenge due to several issues regarding the materials’ corrosion, unwanted reactions between layers, etc. Thus, low-temperature SOFCs (LT-SOFCs) have gained significant interest during the past decades. Despite the numerous advantages of LT-SOFCs, material selection for each layer is of great importance as the common materials have not shown a desirable performance so far. In addition to the selection of the materials, fabrication techniques have a great influence on the properties of the SOFCs. As SOFCs with thinner layers showed lower polarisation resistance, especially in the electrolyte layer, different thin-film fabrication methods have been employed, and their effect on the overall performance of SOFCs has been evaluated. In this review, we aim to discuss the past and recent progress on the materials and thin-film fabrication techniques used in LT-SOFCs.

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“…The electrochemical reduction process of NO is similar to that of O 2 in the cathode of a solid oxide fuel cell (SOFC), where the materials for O 2 reduction may have a similar function to that of NO. Precious metals (Colucci et al, 1985), LSM (Tan et al, 2016), LSCF (Hwang et al, 2005), and other common cathode materials (Song et al, 2006) of SOFCs have been studied for NO reduction in solid electrolyte reactors. Perovskite materials were widely used for oxygen evolution and oxygen reduction reactions (Guo et al, 2019;Zhang et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Performance of Ba0.5Sr0.5Co0.8Fe0.2O3−δ in Symmetric Cells With Sm0.2Ce0.8O1.9 Electrolyte for Nitric Oxide Reduction Reaction

et al. 2020

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The emission of nitric oxide from the combustion process of fossil fuels causes air pollution problems. In addition to traditional removal methods, nitric oxide can be removed by the electrochemical reduction method. In this study, Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3−δ powders were synthesized using a solid-state reaction method. Symmetrical cells, with Sm 0.2 Ce 0.8 O 1.9 as the electrolyte and Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3−δ as the electrodes, were prepared as the electrochemical reactor for nitric oxide reduction. In the process of electrochemical reduction, nitric oxide reduction occurs at the cathode and oxygen evolution occurs at the anode. To study the nitric oxide reduction performance of the electrode, impedances of the symmetrical cell in different atmospheres were analyzed. For the nitric oxide conversion in symmetric cells, two different modes, dual chamber and single chamber, were applied. Results demonstrated that the denitrification performance of the double chamber was better but the single chamber mode had other advantages in its simple structure. Presliminary stability results of the single chamber symmetric cell show that the electrochemical reduction of nitric oxide in symmetric cells with BSCF performed most reliably.

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The role of ceria in LSM-GDC composite cathode for electrochemical reduction of nitric oxide

Cited by 17 publications

References 37 publications

A Review on Perovskite-Type LaFeO₃ Based Electrodes for CO₂ Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

A Review on Perovskite-Type LaFeO₃ Based Electrodes for CO₂ Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

Recent Advances and Challenges in Thin-Film Fabrication Techniques for Low-Temperature Solid Oxide Fuel Cells

Electrochemical Performance of Ba0.5Sr0.5Co0.8Fe0.2O3−δ in Symmetric Cells With Sm0.2Ce0.8O1.9 Electrolyte for Nitric Oxide Reduction Reaction

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The role of ceria in LSM-GDC composite cathode for electrochemical reduction of nitric oxide

Cited by 17 publications

References 37 publications

A Review on Perovskite-Type LaFeO3 Based Electrodes for CO2 Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

A Review on Perovskite-Type LaFeO3 Based Electrodes for CO2 Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

Recent Advances and Challenges in Thin-Film Fabrication Techniques for Low-Temperature Solid Oxide Fuel Cells

Electrochemical Performance of Ba0.5Sr0.5Co0.8Fe0.2O3−δ in Symmetric Cells With Sm0.2Ce0.8O1.9 Electrolyte for Nitric Oxide Reduction Reaction

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A Review on Perovskite-Type LaFeO₃ Based Electrodes for CO₂ Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships

A Review on Perovskite-Type LaFeO₃ Based Electrodes for CO₂ Reduction in Solid Oxide Electrolysis Cells: Current Understanding of Structure–Functional Property Relationships