نتایج جستجو برای: high temperature steam electrolysis

تعداد نتایج: 2399925  

Journal: :Sustainability 2022

Optimizing the flow field of solid oxide electrolysis cells (SOECs) has a significant effect on improving performance. In this study, metal foam in high temperature SOEC steam is investigated by three-dimensional model. The simulation results show that performance improved using as gas field. conversion rate increases from 72.21% to 76.18% and diffusion flux 2.3 × 10?4 kg/(m2?s) 2.5 at 10,000 A...

Journal: :ECS transactions 2021

The Ni/YSZ composite electrode is conventionally used for solid oxide cells, in electrolysis (SOEC) as well fuel cell (SOFC) operation. For enhanced durability and C-tolerance, alternative materials are needed. In this paper, we compare the performance of two distinct Ni:CGO electrocatalyst coated A-site deficient lanthanum doped strontium titanate (La 0.4 Sr Fe 0.03 Ni Ti 0.94 O 3 , LSFNT) bas...

Journal: :Transactions of the Atomic Energy Society of Japan 2009

2010
R. McNaughton R. Benito G Burgess G. J. Duffy J. H. Edwards J. S. Kim K Lovegrove J Pye W. Stein

The use of concentrated solar thermal energy for the production of electricity has been achieved commercially with the generation of steam in trough or tower concentrating systems. More recently, solar power stations such as the AndaSol 1 have also included 1,010 MW·h of heat storage, enough to run the turbine for about 7.5 hours at full-load. The thermal storage in the AnderSol 1 solar power s...

2017
Franco Lugnani Matteo Macchioro Boris Rubinsky

BACKGROUND Cryoelectrolysis is a new minimally invasive tissue ablation surgical technique that combines the ablation techniques of electrolytic ablation with cryosurgery. The goal of this study is to examine the hypothesis that electrolysis can take place in a frozen aqueous saline solution. METHOD To examine the hypothesis we performed a cryoelectrolytic ablation protocol in which electroly...

Journal: :Advanced Energy Materials 2022

Solid-Oxide Electrolysis Cells In article number 2200899, Bo Yu and co-workers fabricate a novel solid oxide electrolysis cell with the characteristics of integrated anode–electrolyte interface, vertically straight anode micro channel scaffold, La0.6Sr0.4CoO3−δ catalyst nano layers, which demonstrates stable steam performance under an ultra-high current density 5.96 A cm−2 at 800 °C 1.3 V const...

Journal: :Energies 2023

Solid oxide electrolysis cells (SOECs) have great application prospects because of their excellent performance, but the long-term applications stacks are restricted by structural degradation under high-temperature conditions. Therefore, an SOEC model is developed and embedded in a process steam (HTSE) system to investigate influence stack at level. The sensitivity analysis optimization were car...

2016
J. Tyler Mefford Xi Rong Artem M. Abakumov William G. Hardin Sheng Dai Alexie M. Kolpak Keith P. Johnston Keith J. Stevenson

Perovskite oxides are attractive candidates as catalysts for the electrolysis of water in alkaline energy storage and conversion systems. However, the rational design of active catalysts has been hampered by the lack of understanding of the mechanism of water electrolysis on perovskite surfaces. Key parameters that have been overlooked include the role of oxygen vacancies, B-O bond covalency, a...

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