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Journal articles on the topic 'Triple phases région (TPB)'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Wakamatsu, Katsuhiro, Takaaki Yasuda, Yuji Okada, and Teppei Ogura. "First-Principles Studies for Optimal Model of the Ni/YSZ Triple Phase Boundary in Solid Oxide Cells." ECS Transactions 111, no. 6 (2023): 1333–46. http://dx.doi.org/10.1149/11106.1333ecst.

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To resolve the existing issues of solid oxide cells such as degradation and efficiency improvement, it is essential to understand reaction mechanisms on the surface/interface such as triple phase boundary (TPB) as a highly active site that consists of catalysts, electrolytes, and gas phases. However, the reliable TPB model has not been still uniquely defined to discuss the property. In this study, we have focused on the TPB model comprising Ni catalysts, yttria-stabilized zirconia (YSZ) electrolytes, and gas phases and aimed to theoretically identify a reliable TPB model. In concrete, we ident

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2

Zhang, Shidong, Kai Wang, Shangzhe Yu, et al. "Multiscale and Multiphysical Numerical Simulations of Solid Oxide Cell (SOC)." ECS Transactions 111, no. 6 (2023): 937–54. http://dx.doi.org/10.1149/11106.0937ecst.

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This study presents a novel model for investigating the microstructural evolution of nickel (Ni), yttria-stabilized zirconia (YSZ), and gas phases in a solid oxide cell (SOC), and its effects on cell performance. The triple-phase-boundary (TPB), which is the interface between the three phases, plays a crucial role in the electrochemical reaction of the SOC. However, during operation, nickel particles coarsen or migrate, leading to the redistribution of the TPB. To study this phenomenon, a phase field method was utilized to simulate the fuel electrode's detailed structure, and an approach was d

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3

Wilson, James R., Marcio Gameiro, Konstantin Mischaikow, William Kalies, Peter W. Voorhees, and Scott A. Barnett. "Three-Dimensional Analysis of Solid Oxide Fuel Cell Ni-YSZ Anode Interconnectivity." Microscopy and Microanalysis 15, no. 1 (2009): 71–77. http://dx.doi.org/10.1017/s1431927609090096.

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AbstractA method is described for quantitatively analyzing the level of interconnectivity of solid-oxide fuel cell electrode phases. The method was applied to the three-dimensional microstructure of a Ni–Y2O3-stabilized ZrO2 (Ni-YSZ) anode active layer measured by focused ion beam scanning electron microscopy. Each individual contiguous network of Ni, YSZ, and porosity was identified and labeled according to whether it was contiguous with the rest of the electrode. It was determined that the YSZ phase was 100% connected, whereas at least 86% of the Ni and 96% of the pores were connected. Tripl

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4

Shaikh Abdul, Muhammed Ali, Ahmad Zubair Yahaya, Mustafa Anwar, Mun Teng Soo, Andanastuti Muchtar, and Vadim M. Kovrugin. "Effect of Synthesis Method of Nickel–Samarium-Doped Ceria Anode on Distribution of Triple-Phase Boundary and Electrochemical Performance." Crystals 11, no. 5 (2021): 513. http://dx.doi.org/10.3390/cryst11050513.

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Two-dimensional (2D) electron back scattered diffraction (EBSD) is a powerful tool for microstructural characterization of crystalline materials. EBSD enables visualization and quantification of the effect of synthesis methods on the microstructure of individual grains, thus correlating the microstructure to mechanical and electrical efficiency. Therefore, this work was designed to investigate the microstructural changes that take place in the Ni-SDC cermet anode under different synthesis methods, such as the glycine–nitrate process (GNP) and ball-milling. EBSD results revealed that different

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5

Wakamatsu, Katsuhiro, Takaaki Yasuda, Yuji Okada, and Teppei Ogura. "First-Principles Studies for Optimal Model of the Ni/YSZ Triple Phase Boundary in Solid Oxide Cells." ECS Meeting Abstracts MA2023-01, no. 54 (2023): 207. http://dx.doi.org/10.1149/ma2023-0154207mtgabs.

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Non-Faradaic electrochemical modification of catalytic activity (NEMCA) with electric field applications in solid oxide cells (SOCs) is thought to be induced by spillover effects of lattice oxygen from the bulk, although the detailed mechanism has not still been clear. In SOCs, important phenomena such as fuel decomposition, charge transfer, etc. occur at the triple phase boundary (TPB) as a highly active site that consists of catalyst, electrolyte, and gas phases. NEMCA is expected to be also induced strongly by the surface mechanism on TPB, and understanding surface reactions on TPB is essen

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6

Imperial, James Francis L., and Rinlee Butch M. Cervera. "Synthesis and Characterization of Porous NiO/YSZ Electrode Materials Using Different Pore Formers." Materials Science Forum 917 (March 2018): 83–87. http://dx.doi.org/10.4028/www.scientific.net/msf.917.83.

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Solid oxide electrolysis cell (SOEC) cathodes require a good porosity and a fine microstructure in order to maximize the triple phase boundary (TPB) between electronic conductor, ionic conductor and the gas phase involved in the reaction. Nickel oxide and yttria stabilized zirconia (NiO/YSZ) composite, one of the most desired candidates for SOEC cathode material, is synthesized via the glycine-nitrate combustion process and mixed with corn starch and carbon black pore formers in order to observe how they modify its microstructure and porosity. XRD spectra indicate a distinct cubic phases of bo

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7

Macalisang, Christine Mae, James Francis Imperial, and Rinlee Butch Cervera. "Facile Preparation of Porous Ni-YSZ Electrode Composite Material: From Highly Dense to Desirable Electrode Porosity Even without Pore Former." ECS Meeting Abstracts MA2023-02, no. 46 (2023): 2274. http://dx.doi.org/10.1149/ma2023-02462274mtgabs.

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Ni-YSZ is a key electrode material for solid oxide electrochemical cells (SOC) applications, such as fuel or electrolysis cell applications. The number of active sites, specifically the triple-phase boundaries (TPB), strongly affects the electrode performance. Thus, in order to achieve good electrode performance, a desirable microstructure of the electrode is essential. This study investigated the effect of precursor particle size without using pore former in developing porous Ni-YSZ electrode materials. Precursors were prepared with different particle sizes using a planetary ball mill. In com

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8

Sone, Yurika, Kazuyoshi Sato, Toshiaki Yamaguchi, and Haruo Kishimoto. "Fabrication of SOECs Hydrogen Electrode Active Layer Using Liquid Phase Grown NiO/YSZ Nanocomposite Particles." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3423. https://doi.org/10.1149/ma2024-02483423mtgabs.

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Solid oxide electrolysis cells (SOECs), which are categorized as high temperature steam electrolysis device are receiving much attention because of its higher efficiency compared to conventional electrolysis technologies. Now a days. much efforts have been devoted on a global scale to bring SOECs into the market, particularly from the perspective of green hydrogen production and utilization. Improvement of electrolysis performance as well as long term performance stability is crucial for practical implementation of SOECs. Ni/YSZ cermet is one of the most promising materials for hydrogen electr

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9

Dzara, Michael, Heather S. Slomski, Zhikuan Zhu, et al. "Tracking Microstructural Evolution of the Ni-Cermet Fuel Electrode in Solid Oxide Electrolyzers Using X-Ray Nano Computed Tomography." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3458. https://doi.org/10.1149/ma2024-02483458mtgabs.

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Decarbonization of hydrogen production is critically important to the renewable energy economy, indeed, the US Department of Energy recently released the Hydrogen Shot, setting the target at reducing the cost of clean hydrogen to $1 per kilogram in 1 decade. Of the electrolysis technologies that might meet the Hydrogen Shot goal, high temperature electrolysis based on solid oxide electrolysis cells (SOECs) is particularly promising due to its high efficiency and the ability to avoid the use of expensive and scarce metal catalysts.1 However, the harsh environment (high temperature, reducing/oxi

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10

Budac, Daniel, Vojtech Milos, Michal Carda, Martin Paidar, and Karel Bouzek. "Simulation of Electrical Conductivity of Porous Composite Electrodes for Solid Oxide Cells Using a Monte Carlo 3D Equivalent Electronic Circuit Networks." ECS Meeting Abstracts MA2024-01, no. 37 (2024): 2217. http://dx.doi.org/10.1149/ma2024-01372217mtgabs.

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Solid oxide cells (SOCs) show high potential in energy conversion applications necessary for the decarbonization of the economy. Their advantage consists in ability to operate at high temperatures, reaching up to 900 °C. Firstly, it results in accelerated electrode reactions kinetics, secondly, in favorable thermodynamic conditions decreasing the equilibrium voltage of the water splitting. As a result, SOCs are attractive candidates for both efficient electrolysis and fuel cell applications, offering a robust solution in the pursuit of clean energy. However, the elevated operational temperatur

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11

Bal, Batuhan, Mykhailo Pidburtnyi, and Viola Ingrid Birss. "Improving the Performance of High Temperature Steam Electrolysis Using Ceria-Modified Perovskite Electrodes." ECS Meeting Abstracts MA2025-01, no. 47 (2025): 3179. https://doi.org/10.1149/ma2025-01473179mtgabs.

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Hydrogen production through steam electrolysis at high operating temperatures (ca. 800 °C) using solid oxide electrolysis cells (SOECs) offers significant advantages over low-temperature systems, due to their highly accelerated reaction kinetics and favorable thermodynamics. Traditionally used SOEC catalysts generally have a porous structure and consist of a mixture of electronically conducting Ni and ionically conducting yttria-stabilized zirconia (YSZ) (cermets). These systems rely on regions known as the triple phase boundary (TPB), where the electronically and ionically conducting phases a

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12

Cao, Shuo-Hui, Wen-Long Jiang, Chun-Yu Qiu, et al. "Operando Magnetic Resonance Imaging for Visualizing Electrochemical Triple‐Phase Boundary." Angewandte Chemie International Edition, May 26, 2025. https://doi.org/10.1002/anie.202506183.

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The triple‐phase boundary (TPB) is a complex interface where gas, liquid, and solid phases converge, crucially regulating the efficiency and performance of many electrochemical devices such as fuel cells and batteries. However, conventional characterization techniques struggle to capture the dynamic processes and flooding at TPB. To address this, we develop operando electrochemical magnetic resonance imaging (EC‐MRI), an inherently non‐invasive technique sensitive to 1H, which probes both bulk and boundary regions, enabling real‐time visualization of TPB evolution and a deeper understanding of

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13

Cao, Shuo-Hui, Wen-Long Jiang, Chun-Yu Qiu, et al. "Operando Magnetic Resonance Imaging for Visualizing Electrochemical Triple‐Phase Boundary." Angewandte Chemie, May 26, 2025. https://doi.org/10.1002/ange.202506183.

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The triple‐phase boundary (TPB) is a complex interface where gas, liquid, and solid phases converge, crucially regulating the efficiency and performance of many electrochemical devices such as fuel cells and batteries. However, conventional characterization techniques struggle to capture the dynamic processes and flooding at TPB. To address this, we develop operando electrochemical magnetic resonance imaging (EC‐MRI), an inherently non‐invasive technique sensitive to 1H, which probes both bulk and boundary regions, enabling real‐time visualization of TPB evolution and a deeper understanding of

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14

Wakamatsu, Katsuhiro, Takaaki Yasuda, and Teppei Ogura. "Optimal Modeling of Ni/YSZ Triple Phase Boundary in Solid Oxide Cells Using First-Principles Calculations." Journal of The Electrochemical Society, May 9, 2024. http://dx.doi.org/10.1149/1945-7111/ad491a.

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Abstract Power generation with renewable energy using solid oxide cells (SOCs) has been widely researched. To solve the existing problems of SOCs, such as degradation and efficiency improvement, it is essential to understand reaction mechanisms on the surface/interface such as triple phase boundary (TPB) composed of catalysts, electrolytes, and gas phases. However, a reliable TPB model has not been uniquely defined to discuss the property. This study focused on the TPB model comprising Ni catalysts, yttria-stabilized zirconia (YSZ) electrolytes, and gas phases, and aimed to theoretically ident

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15

Rinaldi, G., A. Nakajo, P. Burdet, M. Cantoni, W.K.S. Chiu, and herle J. Van. "Characterization of local morphology and availability of triple-phase boundaries in solid oxide cell electrodes." July 27, 2019. https://doi.org/10.1016/j.actamat.2019.07.027.

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The performance of solid oxide cells is known to be dependent upon the density of three phase boundaries (TPB), but the potential for improving their effective electrocatalytic activity by morphological adjustments is imprecisely known. A spilling algorithm was developed to characterize the surfaces available for diffusion at TPBs. It scans each slice in a 3-D imaging dataset to measure the interfaces between the solid and the pore phases at each TPB. Because of the stereological approach, these surfaces are defined as “available lengths” (L<sub>A</sub>). The measurement was tested

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