A5035460058- Fuel Cells and Related Materials
- Electrocatalysts for Energy Conversion
- Advancements in Solid Oxide Fuel Cells
- Advanced battery technologies research
- Hybrid Renewable Energy Systems
- Thermodynamic and Exergetic Analyses of Power and Cooling Systems
- Ammonia Synthesis and Nitrogen Reduction
- Advanced Battery Technologies Research
- Carbon Dioxide Capture Technologies
- Chemical Looping and Thermochemical Processes
- Catalytic Processes in Materials Science
- Hydrogen Storage and Materials
- Refrigeration and Air Conditioning Technologies
- Catalysis and Oxidation Reactions
- Catalysts for Methane Reforming
- Electric and Hybrid Vehicle Technologies
- Adsorption and Cooling Systems
- Membrane-based Ion Separation Techniques
- Electrochemical Analysis and Applications
- Spacecraft and Cryogenic Technologies
- Analytical Chemistry and Sensors
- Microgrid Control and Optimization
- Maritime Transport Emissions and Efficiency
- Advanced Chemical Sensor Technologies
- Advanced Thermodynamics and Statistical Mechanics
Aalborg University
2016-2025
Renewable Energy Systems (United States)
2015
Institute for Energy Technology
2013
Imperial College London
2011
In this paper, a simplified model of Polymer Electrolyte Membrane (PEM) water electrolysis cell is presented and compared with experimental data at 60 °C 80 °C. The utilizes the same modelling approach used in previous work where electrolyzer divided four subsections: cathode, anode, membrane voltage. electrodes includes key electrochemical reactions gas transport mechanism (i.e., H2, O2 H2O) whereas physical mechanisms such as diffusion, electro osmotic drag hydraulic pressure. Voltage was...
The hybrid combination of hydrogen fuel cells (FCs) and batteries has emerged as a promising solution for efficient eco-friendly power supply in maritime applications. Yet, ensuring high-quality cost-effective energy presents challenges. Addressing these goals requires effective coordination among multiple FC stacks, batteries, cold-ironing. Although there been previous work focusing it, the unique load characteristics, variable cruise plans, diverse cell system architectures introduce...
In this paper, design strategies for improving electrical efficiency, thermal and fuel utilization of an ammonia-fed SOFC are investigated. Three presented to improve system performances: (i) the introduction additional stack distribute power i.e. rating, (ii) evaluation anode off gasses recirculation (iii) use operate a cascade (re-powering), where flue gas is recuperated. A that integrates these new features modelled with zero-dimension thermodynamic equations. The three were evaluated net...
Utilizing machine learning techniques for data-driven diagnosis of high temperature PEM fuel cells is beneficial and meaningful to the system durability. Nevertheless, ensuring robustness remains a critical challenging task in real application. To enhance achieve more thorough evaluation diagnostic performance, robust procedure based on electrochemical impedance spectroscopy (EIS) new method was proposed investigated this work. improve robustness: (1) degradation mechanism different faults...
Ammonia is a vital chemical with numerous applications. Currently, the primary methods for generating necessary reactants ammonia production involve steam methane reforming (SMR) and cryogenic air separation unit (CASU), while Haber-Bosch process converts these into ammonia. However, SMR releases substantial amounts of CO2, making it imperative to employ an efficient cost-effective CO2 capture technology mitigate emissions. This investigation focuses on evaluating (CCC) blue provides...
Utilizing CO2 capture technologies is an essential part of achieving a future carbon-neutral Society. So far, amine-based technologies, which are the most mature post-combustion have been predominantly applied in large-scale applications. However, cryogenic process has also proven to be potential technology suitable for Cryogenic carbon offers two advantages over technology. First, efficiency higher and thus energy penalty lower. Next, flexibility system integration higher, carries better...
Utilizing post-combustion CO2 capture technologies is among the most effective pathways to achieve carbon neutrality by 2050, especially in industries like cement production, where renewables alone cannot sufficiently reduce emissions. In such scenarios, cryogenic (CCC) emerges as an solution for capturing from both large and small unavoidable point sources. Renowned its high energy efficiency, minimal investment operational costs, well low penalties compared conventional methods, CCC...
Hydrogen energy plays a vital role in the transition towards carbon-neutral society but faces challenges storage and transport, as well production due to fluctuations renewable electricity generation. Ammonia (NH3), hydrogen carrier, offers promising solution transport problem. To realize its potential support development of economy, exploring NH3 synthesis decentralized form that integrates with distributed systems is highly needed. In this study, computational fluid dynamics (CFD) model...
The increasing demand for decarbonization of marine transportation motivates the utilization low-carbon resources. Among different options, fuel cells are drawing attention. selection cell (FC) and design energy management strategy would have a great impact on vessel's operational efficiency, thereby needs to be considered carefully. objective this paper is develop system (EMS) reduce consumption hybrid cell/battery ship. To end, day-ahead EMS scheme proposed that takes full use information...
This paper focuses on proton exchange membrane fuel cell (PEMFC) operation at current densities in the order of 6 A/cm2. Such high are conceivable when traditional carbon fiber papers replaced with perforated metal plates as gas diffusion layer to enhance waste heat removal, and same time relative humidity inside is kept below 100% by applying appropriate operating conditions was found previous one-dimensional modeling work. In paper, we applied a three-dimensional, multi-phase computational...