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Abstract: Because of their fuel flexibility, Solid Oxide Fuel Cells (SOFCs) are promising candidates to coach the energy transition. Yet, SOFC performance are markedly affected by fuel composition and operative parameters. In order to optimize SOFC operation and to provide a prompt regulation, reliable performance simulation tools are required.
May 18, 2020· In this work, different contents of La0.6Sr0.4Co0.2Fe0.8O3-δ (10, 20, 30 and 40 wt.% LSCF) are added into YBa2Cu3O7-δ (YBC) to investigate its effect on the performance of …
Dec 01, 2010· Solid Oxide Fuel Cell Performance With Cross-Flow Roughness Kimberly L. Christman, Kimberly L. Christman Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, 110 8th Street Troy, NY 12180-3590. …
Jun 09, 2011· Performance of solid oxide fuel cells approaching the two-dimensional limit. Journal of Applied Physics 2014, 115 (17), 174307. DOI: 10.1063/1.4874738. Gu Young Cho, Yoon Ho Lee, Suk Won Cha. Multi-component nano-composite electrode for SOFCS via thin film technique.
title = "Performance analysis of ammonia in solid oxide fuel cells", abstract = "Ammonia (NH3) has 17.8 wt% hydrogen and is easily liquified at 25°C and 8 bar pressure. Ammonia is carbon-free and can be produced sustainably at large scale and low cost.
Aug 20, 2021 · Experimental and modeling study of high performance direct carbon solid oxide fuel cell with in situ catalytic steam-carbon gasification reaction J. Power Sources, 382 ( 2018 ), pp. 135 - 143, 10.1016/j.jpowsour.2018.02.033
Sep 01, 2021· In order to commercialize solid oxide fuel cells with high efficiency, long life and stable operation, the performance of the cells is usually improved by the following schemes: First, the performance of the system is evaluated, and the best possible static operating point and dynamic and static switching trajectories are obtained by assessing ...
MODELING OF SOLID OXIDE FUEL CELLS PERFORMANCE WITH HOMOGENOUS AND GRADED ANODE IN PARTICLE SIZE AND POROSITY 78 5.1 Nomenclature 78 5.2 Introduction 80 5.3 Model Development 83 5.4 Model validation 93 5.5 Results and discussion 98 5.5.1. Analysis of homogenous anodes 98 5.5.2. Effect of particle size grading 103 ...
Jul 18, 2006· Solid oxide fuel cells produced at Risø National Laboratory have been tested as electrolysis cells by applying an external voltage. Results on initial performance and durability of such reversible solid oxide cells at temperatures from 750 to and current densities from are reported. The full cells have an initial area specific resistance as low as for electrolysis operation at .
Performance and stability of five cermet-supported button-type solid oxide fuel cells featuring a bilayered electrolyte (SSZ/SDC). an SSC cathode, and a Ni-SSZ anode, were analyzed using polarization curves, impedance spectroscopy, and post-mortem SEM observation. The cell performance degradation at 650 degrees C in H(2)/air both with and without DC bias conditions was manifested primarily as ...
Solid oxide fuel cells (SOFCs) are a promising solution to a sustainable energy future. However, cell performance and stability remain a challenge. Durable, nanostructured electrodes fabricated via a simple, cost-effective method are an effective way to address these problems. In this work, both the …
Jul 17, 2020· Advanced Manifolds for Improved Solid Oxide Electrolyzer Performance Metadata Updated: November 12, 2020. In late 2013 NASA GRC proposed an in-situ resource utilization (ISRU) experiment on the Mars 2020 rover mission. This proposal was one of the two highest‐rated proposals, in part because of the unique design of the GRC Bi-Supported Cell ...
May 29, 2018· State-of-the-art cathodes for solid oxide fuel cells (SOFCs), such as (La,Sr)MnO 3 –(Y 2 O 3) 0.08 (ZrO 2) 0.92 (LSM–YSZ), suffer from sluggish oxygen reduction reaction (ORR) kinetics at reduced temperatures, leading to a significant decline in their performance. Herein, we report a tailored SOFC cathode with high ORR activity at intermediate temperatures using a simple but effective ...
The First Book Centered on Materials Issues of SOFCs. Although the high operating temperature of solid oxide fuel cells (SOFCs) creates opportunities for using a variety of fuels, including low-grade hydrogen and those derived from biomass, it also produces difficulties in materials performance and often leads to materials degradation during operation.
Nov 17, 2008· An experimental study has been completed to assess the hydrogen-production performance of single solid-oxide electrolysis cells operating over a temperature range of 800 to 900°C. The experiments were performed over a range of steam inlet partial pressures (2.3 – 12.2 kPa), ...
Apr 28, 2016· good performance and to prevent damaging the cell (Fuel Cell Energy, n.d.). However, pure hydrogen is impractical due to its high cost and difficulty with storage and transportation, and externally reforming fuels is costly, complex, bulky, and inefficient. Solid oxide fuel cells
Solid oxide fuel cells (SOFC) are electrochemical devices that convert chemical energy of a fuel and oxidant directly into electrical energy. Since SOFCs produce electricity through an electrochemical reaction and not through a combustion process, they are much more efficient and environmentally benign than conventional electric power generation processes.
Performance of Solid Oxide Iron-Air Battery Operated at 550 ... of the solid oxide fuel cell technology, it is well-suited for large-scale stationary grid energy storage. While the high operating temperature is an advantage to promote high conductivity in the electrolyte and fast reaction kinetics in elec-
Sep 14, 2020· A single-chamber solid oxide fuel cell micro-stack with a linear array arrangement has been particularly investigated in methane-oxygen-argon mixture. The stack with four cells connected in series exhibited an open-circuit voltage of 3.7 V and a maximum power output of 353 mW (total active area: 2 cm2) at 700 °C. The performance of the cells was gradually reduced along with the gas flow ...
Mar 02, 2020· 10%· The solid oxide fuel cells (SOFCs) are promising electrochemical conversion devices and have been studied for several decades. While numerous achievements have been obtained in different types of electrolyte materials, respectively, systematic reviews based on cell performance have been notably rare. In this review, the overall research progress and highlights of …
Apr 01, 2021· @article{osti_1813594, title = {Performance of a Natural Gas Solid Oxide Fuel Cell System With and Without Carbon Capture}, author = {Iyengar, Arun and Koeppel, Brian J. and Keairns, Dale L. and Woods, Mark C. and Hackett, Gregory A. and Shultz, Travis}, abstractNote = {The fuel cell program at the United States Department of Energy (DOE) National Energy Technology Laboratory …
Sep 17, 2020· KIST Develops High-Performance Catalyst for Solid Oxide Fuel Cells. Synthesis of platinum-cerium catalyst that works stably at high temperatures of 700 degrees or more. An atomic catalyst that can greatly improve the performance of solid oxide fuel cells has been developed. Dr. Kyung-jung Yoon and Ji-soo Shin of the Korea Institute of Science ...
May 01, 2021· If solid oxide fuel cells are an already mature technology with several stationary and mobile applications, the use of solid oxide electrolyser cells and even more reversible cells are still under ...
Apr 19, 2016· The First Book Centered on Materials Issues of SOFCsAlthough the high operating temperature of solid oxide fuel cells (SOFCs) creates opportunities for using a variety of fuels, including low-grade hydrogen and those derived from biomass, it also produces difficulties in materials performance and often leads to materials degradation during operatio
Improved Solid Oxide Fuel Cell Performance with Nanostructured Electrolytes Cheng-Chieh Chao,† Ching-Mei Hsu, ‡Yi Cui, and Fritz B. Prinz†,‡,* †Department of Mechanical Engineering and ‡Department of Materials Science and Engineering, Stanford University, Building 530, 440 Escondido Mall, California 94305, United States
Performance and Durable Proton-Solid Oxide Electrolyzer Cell Project ID # p154 Tianli Zhu United Technologies Research Center 5/1/2019 This presentation does not contain any proprietary, confidential, or otherwise restricted information
Sep 19, 2019· The First Book Centered on Materials Issues of SOFCsAlthough the high operating temperature of solid oxide fuel cells (SOFCs) creates opportunities for using a variety of fuels, including low-grade hydrogen and those derived from biomass, it also produces difficulties in materials performance and often leads to materials degradation during operation. These obstacles have …
Dive into the research topics of 'Boosting solid oxide fuel cell performance: Via electrolyte thickness reduction and cathode infiltration'. Together they form a unique fingerprint. Infiltration Engineering & Materials Science . Solid oxide fuel cells (SOFC) Engineering ...
Nov 11, 2008· The First Book Centered on Materials Issues of SOFCsAlthough the high operating temperature of solid oxide fuel cells (SOFCs) creates opportunities for using a variety of fuels, including low-grade hydrogen and those derived from biomass, it also produces difficulties in materials performance and often leads to materials degradation during operatio
Fuel cells directly and efficiently convert chemical energy to electrical energy. Of the various fuel cell types, solid-oxide fuel cells (SOFCs) combine the benefits of environmentally benign power generation with fuel flexibility. However, the necessity for high operating temperatures (800-1,000 de …