Relevant bibliographies by topics / Triple phases région (TPB)

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Triple phases région (TPB)'

Author: Grafiati
Published: 8 June 2024
Last updated: 31 July 2025

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

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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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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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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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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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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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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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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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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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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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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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Dissertations / Theses on the topic "Triple phases région (TPB)"

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Turtayeva, Zarina. "Genesis of AEMFC (anion exchange membrane fuel cell) at the lab scale : from PEMFC’s inks composition toward fuel cell bench tests in alkaline media." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0285.

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Les piles à combustible à membrane échangeuse d'anions (AEMFC) ont récemment attiré l'attention en tant que piles à combustible alternatives à faible coût aux piles à combustible à membrane échangeuse de protons traditionnelles en raison de l'utilisation possible d'électrocatalyseurs non-nobles. Bien que l'AEMFC ressemble à la PEMFC, les problèmes de gestion de l'eau sont plus prégnants dans une AEMFC car l'ORR en milieu alcalin nécessite de l'eau, tandis qu'en même temps, de l'eau est produite en grande quantité du côté de l'anode. Pour mieux comprendre la gestion de l'eau dans ce type de pil
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Conference papers on the topic "Triple phases région (TPB)"

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Khan, Munir, Yexiang Xiao, Bengt Sunde´n, and Jinliang Yuan. "Analysis of Multiphase Transport Phenomena in PEMFCS by Incorporating Microscopic Model for Catalyst Layer Structures." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65142.

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The catalyst layer (CL) in polymer electrolyte membrane (PEM) fuel cells is one of the key components regulating the overall performance of the cell. In PEM fuel cells, there are two CLs having identical composition for hydrogen oxidation (HO) and oxygen reduction (OR) reactions. There are four phases inside the CL, namely: carbon, Pt particles, ionomer and voids. In this work, a micro-model of the cathode CL has been developed mathematically using finite volume (FV) technique to investigate the transport phenomena of reactants and product species, ions and electrons by incorporating the above
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Puranen, J., J. Laakso, L. Hyvärinen, M. Kylmälahti, and P. Vuoristo. "Influence of Spray Parameters and Characteristics of Solutions on Microstructure and Phase Composition of Solution Precursor Atmospheric Plasma Sprayed (SPPS) Mn-Co Spinel Coating." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0810.

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Abstract Manufacturing of MnCo2O4 spinel coatings by solution precursor plasma spraying (SPPS) was studied in order to produce thin ceramic coating on a ferritic stainless steel interconnect for SOFC’s. The main purpose to use MnCo2O4 coating in SOFC devices is to prevent the migration of harmful CrO3 and Cr2(OH)2 compounds to the triple phase barriers (TPB) of the cathode. In this study Mn(NO3)2•4H2O and Co(NO3)2•6H2O were diluted to deionized water and mixture of deionized water and ethanol at 3 M mixture rate. The solutions were sprayed on 0.5 mm thick Crofer 22 APU substrate by Sulzer Metc
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Journal articles
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