Anke Hagen
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Infiltrated electrodes for metal supported solid oxide electrolysis cells Open
Metal-supported solid oxide cells (MSOCs) are an alternative to conventional solid oxide cells (SOCs) based on ceramic cermets, offering lower material costs and higher operational flexibility. In this study symmetric MSOCs with infiltrate…
Steam and polarization effects on Ni-YSZ electrode due to degradation under electrolysis and fuel cell operation Open
Degradation issues correlated to microstructural changes are the main obstacles to solid oxide fuel cell and electrolyser applications, making their identification and understanding fundamental steps. Coupling experimental activities with …
Fabrication framework for metal supported solid oxide cells via tape casting Open
Among the different solid oxide cells (SOCs) designs, metal supported SOCs (MSOCs) offer important advantages such as enhanced mechanical robustness, improved thermal resilience and lower material costs. The conventional tape casting metho…
Reversible Operation of Metal Supported Solid Oxide Cells Open
Solid oxide cells (SOCs) can operate in fuel cell and electrolysis mode. This option allows for production of electricity and heat from a green fuel in fuel cell mode and for storage of electricity as gas or use as fuel in electrolysis mod…
Performance and sulfur tolerance of a short stack with solid oxide cells using infiltrated strontium titanate based anodes Open
Solid oxide fuel cell (SOFC) technology offers reliable and efficient power generation from electrochemical oxidation of fuel gasses. State-of-the-art (SoA) anodes based on Ni cermets are prone to poisoning by fuel impurities, including su…
(032) A Large Retroperitoneal Schwannoma Masquerading as Genito-Urinary Syndrome of Menopause Open
Introduction Retroperitoneal schwannomas are extremely rare, slow growing, benign, neurogenic tumors. Their diagnosis is challenging and often incidentally found upon evaluation of vague symptoms. Extrinsic compression to nearby organs or …
Experimental deconvolution of resistance contributions in commercial solid oxide cells with Ni-CGO electrode Open
Solid oxide cells (SOCs) convert the energy of a fuel to electrical energy (fuel cell mode) and electrical energy into a fuel such as hydrogen (electrolysis mode) with exceptionally high efficiencies (>60% and >90%, respectively). They are…
Multiscale analysis of Ni-YSZ and Ni-CGO anode based SOFC degradation: From local microstructural variation to cell electrochemical performance Open
Nickel based fuel electrodes are widely used for commercial solid oxide fuel cells showing a high catalytic ac-tivity, despite of involving severe microstructural changes which reduce the system lifetime. Needing a detailed knowledge of su…
The Identification of Degradation Parameters in SOC Under Load and OCV Aging Approaches Open
Recent SOC activities focus on upscaling systems to MW scale with target operation of several 10,000 h. These long lifetimes require new approaches for durability testing. In the present study, the influence of different operating paramete…
Low Temperature Performance and Durability of Solid Oxide Fuel Cells with Titanate Based Fuel Electrodes Using Reformate Fuel Open
The Ni/YSZ composite electrode is conventionally used for solid oxide cells, in electrolysis (SOEC) as well as fuel cell (SOFC) operation. For enhanced electrochemical performance at low temperature, mechanical durability, and impurity tol…
Durability enhancement of novel monolithic metal supported Solid oxide fuel cells through processing optimizations Open
In the last decades, Solid Oxide Fuel Cells (SOFCs) have received a lot of attention due to their ability to efficiently convert hydrogen and other fuels to electricity and heat. Cells with different designs (planar, tubular, anode-, elect…
Metal Supported Electrolysis Cells Open
Solid oxide electrolyser (SOE) technology can become a key player in energy systems, with increasing shares of electricity from fluctuating sources such as wind and solar, contributing to power grid balance and energy storage as well as pr…
Degradation of Ni-YSZ and Ni-GDC fuel cells after 1000 h operation: Analysis of different overpotential contributions according to electrochemical and microstructural characterization Open
Solid Oxide Fuel Cell (SOFC) technologies are emerging as potential power generation units with limited environmental impacts. However, the main challenges towards large scale commercial applications are high costs and low lifetime compare…
High-power density monolithic fuel cell stack Open
The transportation sector is currently undergoing a technology shift from internal combustion engines to electric motors powered by batteries. However, their limited range and long charging times limit wide-spread adoption. Electrified tra…
Fast approach for evaluating H<sub>2</sub>S poisoning effects on solid oxide fuel cells fueled by carbon‐containing fuels such as biogas Open
Solid oxide fuel cells (SOFCs) convert a variety of fuels like hydrogen, e‐gas, or biogas into electricity with high efficiency. Such fuels are interesting for reaching a production of electricity entirely from renewable energy sources. Su…
Addressing planar solid oxide cell degradation mechanisms: A critical review of selected components Open
In this review paper, a critical assessment of the main degradation processes in three key components of solid oxide fuel cells and electrolysers (negative and positive electrodes and the interconnect) is undertaken, attempting prioritizat…
VP28.08: NGS‐based genetic diagnostics for abnormal prenatal phenotype: a game changer in prenatal diagnostics and counselling Open
Prenatal Next Generation Sequencing (NGS)-based genetic testing in sonographically abnormal fetuses has revolutionised the possibilities and accuracy of prenatal diagnostics in recent years. We offer these examinations in cases of complex …
Solid Oxide Electrolysis Forum (EFCF 2020): Featuring Solid Oxide Technologies, Fuel Cells,Electrolyzers, Membrane Reactors, CO<sub>2</sub> Emission Reduction and Re‐use Open
The European Solid Oxide Fuel Cell and Solid Oxide Electrolysis Forum 2020 (EFCF2020) was chaired by Prof. Anke Hagen and Prof. Peter Vang Hendriksen from the Technical University of Denmark (DTU). Even though it was the 14th in the tradit…
Electrochemical Characterization and Modelling of Anode and Electrolyte Supported Solid Oxide Fuel Cells Open
Solid Oxide Fuel Cells (SOFCs) have emerged as an attractive alternative for efficient cogeneration of electricity and heat with reduced emissions during operation. High working temperatures result in optimized kinetics and higher efficien…
High-power density monolithic fuel cell stack Open
The transportation sector is currently undergoing a technology shift from internal combustion engines to electric motors powered by batteries. However, their limited range and long charging times limit wide-spread adoption. Electrified tra…
Performance of Metal Supported SOFCs Operated in Hydrocarbon Fuels and at Low (<650˚C) Temperatures Open
The Ni/YSZ composite electrode is conventionally used for solid oxide cells, in electrolysis (SOEC) as well as fuel cell (SOFC) operation. For enhanced durability and C-tolerance, alternative fuel electrode materials are needed. In this pa…
(Invited) Exchanging Degradation for Durability: Accelerated Stress Test Protocols for Solid Oxide Fuel Cells and Electrolysers Open
The longer lifetimes of solid oxide cells (SOC) – obtained and still required, both in fuel cell and electrolysis operation – exacerbate the need for accelerated stress tests, since neither reliable degradation models are currently availab…
Life cycle assessment of power-to-gas applications via co-electrolysis of CO<sub>2</sub> and H<sub>2</sub>O Open
Solid-oxide electrolysis technology (SOEC) can efficiently convert electricity from renewable sources into H 2 via steam electrolysis, or syngas (a mixture of H 2 and CO 2 ) via co-electrolysis of steam and CO 2 . Co-SOEC provides the adva…