Infiltration of cerium into a NiO–YSZ tubular substrate for solid oxide reversible cells using a LSGM electrolyte film

Abstract

NiO-Y2O3 stabilized ZrO2 (NiO-YSZ) supported tubular solid oxide cell, which consist of La0.9Sr0.1Ga0.8Mg0.2O3−δ (LSGM) dip-coated electrolyte film and Sm0.5Sr0.5CoO3-δ (SSC) air electrode, was prepared and power generation and electrolysis performance...

Recent Progress in the Design, Characterisation and Application of LaAlO3- and LaGaO3-Based Solid Oxide Fuel Cell Electrolytes

“…The electrochemical investigations in [211][212][213][214][215] for LSGM-based SOFCs confirm that these cells can operate in both fuel cell and electrolysis cell modes. Reversible cells were fabricated in [215] with NiO-YSZ-substrate as an anode, La 0.9 Sr 0.1 Ga 0.8 Mg 0.2 O 3−δ film as an electrolyte and Sm 0.5 Sr 0.5 CoO 3−δ as an air electrode. It was established that the infiltration of cerium nitrate into the substrate was an effective means of increasing cell performance.…”

Unravelling the role of dopants in the electrocatalytic activity of ceria towards CO2 reduction in solid oxide electrolysis cells

“…The most evident approach to obtain ceria-based technological electrodes is thus to maximize the 2PB via nanostructuring, which has indeed witnessed a strong research effort in the last few years. [23][24][25][26][27][28][29][30][31][32][33][34][35] What has received less attention is the optimization of the intrinsic electrocatalytic activity of ceria, with just a few fundamental studies addressing the reaction mechanism from an atomistic perspective, 18,[36][37][38] as highlighted in our recent review. 39 The aim of the present work is indeed to expand our understanding of these intrinsic catalytic properties of the material, and of how they can be tailored specifically for the CO 2 reduction process.…”

Surface Activation by Single Ru Atoms for Enhanced High‐Temperature CO2 Electrolysis

“…[2] Therefore, many strategies have been proposed to boost the hightemperature CO 2 electrolysis performance by creating more active sites in cathode, such as enlarging the TPBs by the infiltration of catalytically active nanoparticles onto the inner surface of cathode or fabricating metal/oxide interface on perovskite component by the exsolution of metal or alloy nanoparticles. [9][10][11][12] For instance, Tan et al infiltrated CeO 2 nanoparticles onto the Ni-yttria-stabilized zirconia (Ni-YSZ) scaffold surface to increase the TPB length and prevent the agglomeration of Ni particles. The infiltrated cathode displayed an electrolysis current density of 1.07 A cm À 2 at 1.6 V and 873 K with enhanced stability, which was superior to the pristine Ni-YSZ cathode.…”

“…The infiltrated cathode displayed an electrolysis current density of 1.07 A cm À 2 at 1.6 V and 873 K with enhanced stability, which was superior to the pristine Ni-YSZ cathode. [9] Lv et al discovered that the exsolution of CoFe alloy nanoparticles on Co-doped Sr 2 Fe 1.5 Mo 0.5 O 6-δ (SFMC) surface could promote CO 2 adsorption and activation, and further decreased the polarization resistance. Consequently, the exsolved cathode achieved a current density of 1.20 A cm À 2 at 1.6 V and 800 °C, 50 % higher than that of SFMC cathode.…”

“…The TPBs and the surface of electronic conductor are considered as the active sites for CO 2 electroreduction [2] . Therefore, many strategies have been proposed to boost the high‐temperature CO 2 electrolysis performance by creating more active sites in cathode, such as enlarging the TPBs by the infiltration of catalytically active nanoparticles onto the inner surface of cathode or fabricating metal/oxide interface on perovskite component by the exsolution of metal or alloy nanoparticles [9–12] . For instance, Tan et al.…”