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Continuous Synthesis of Few-layer MoS2 with Highly Electrocatalytic Hydrogen Evolution
Apr 2020
Publication
As one of the most promising alternative fuels hydrogen is expected with high hopes. The electrolysis of water is regarded as the cleanest and most efficient method of hydrogen production. Molybdenum disulfide (MoS2) is deemed as one of the most promising alternatives HER catalysts owing to its high catalytic activity and low cost. Its continuous production and efficient preparation become the key problems in future industrial production. In this work we f Read More
Fabrication of CdS/β-SiC/TiO2 Tri-composites That Exploit Hole- and Electron-transfer Processes for Photocatalytic Hydrogen Production Under Visible Light
Dec 2017
Publication
In this work CdS/SiC/TiO2 tri-composite photocatalysts that exploit electron- and hole-transfer processes were fabricated using an easy two-step method in the liquid phase. The photocatalyst with a 1:1:1 M ratio of CdS/SiC/TiO2 exhibited a rate of hydrogen evolution from an aqueous solution of sodium sulfite and sodium sulfide under visible light of 137 μmol h−1 g−1 which is 9.5 times that of pure CdS. β-SiC can act as a sink for the photogenerated holes b Read More
Fuel Cells and Hydrogen: Joint Undertaking Programme Review 2019 Final Report
Nov 2020
Publication
The 2019 Programme Review Report presents the findings of a review into activities supported by the FCH 2 JU under the EU’s Seventh Framework Programme and Horizon 2020 by the European Commission’s Joint Research Centre (JRC ). It pays particular attention to the added value effectiveness and techno-economic efficiency of FCH 2 JU projects assigned to six review panels under two main pillars:Transport and Energy (TRANSPORT: a.trials a Read More
A Comparative Technoeconomic Analysis of Renewable Hydrogen Production Using Solar Energy
May 2016
Publication
A technoeconomic analysis of photoelectrochemical (PEC) and photovoltaic-electrolytic (PV-E) solar-hydrogen production of 10 000 kg H2 day−1 (3.65 kilotons per year) was performed to assess the economics of each technology and to provide a basis for comparison between these technologies as well as within the broader energy landscape. Two PEC systems differentiated primarily by the extent of solar concentration (unconcentrated and 10× con Read More
Trends in Investments, Jobs and Turnover in the Fuel Cells and Hydrogen Sector
Mar 2013
Publication
The Fuel Cells and Hydrogen Joint Undertaking (FCH JU) commissioned this report to a consultancy to get a better understanding of the past and future evolution of the European Fuel Cell and Hydrogen (FC&H) sector and the role that public support has in that evolution.The results of this report are based on three data sources:Survey results: A survey was sent out to 458 companies that are liaised to the FCH JU. 154 people responded. (see list in annex Read More
Hydrogen Refuelling Stations in the Netherlands: An Intercomparison of Quantitative Risk Assessments Used for Permitting
May 2018
Publication
As of 2003 15 hydrogen refuelling stations (HRSs) have been deployed in the Netherlands. To become established the HRS has to go through a permitting procedure. An important document of the permitting dossier is the quantitative risk assessment (QRA) as it assesses the risks of the HRS associated to people and buildings in the vicinity of the HRS. In the Netherlands a generic prescribed approach exists on how to perform a QRA however specific guideli Read More
Exploring Possible Transition Pathways for Hydrogen Energy: A Hybrid Approach Using Socio-technical Scenarios and Energy System Modelling
Jul 2014
Publication
Hydrogen remains an important option for long-term decarbonisation of energy and transport systems. However studying the possible transition paths and development prospects for a hydrogen energy system is challenging. The long-term nature of technological transitions inevitably means profound uncertainties diverging perspectives and contested priorities. Both modelling approaches and narrative storyline scenarios are widely used to expl Read More
Thermodynamic, Economic and Environmental Assessment of Renewable Natural Gas Production Systems
May 2020
Publication
One of the options to reduce the dependence on fossil fuels is to produce gas with the quality of natural gas but based on renewable energy sources. It can encompass among other biogas generation from various types of biomass and its subsequent upgrading. The main aim of this study is to analyze under a combined technical economic and environmental perspective three of the most representative technologies for the production of biomethane (bio Read More
Seasonal Energy Storage for Zero-emissions Multi-energy Systems Via Underground Hydrogen Storage
Jan 2020
Publication
The deployment of diverse energy storage technologies with the combination of daily weekly and seasonal storage dynamics allows for the reduction of carbon dioxide (CO2) emissions per unit energy provided. In particular the production storage and re-utilization of hydrogen starting from renewable energy has proven to be one of the most promising solutions for offsetting seasonal mismatch between energy generation and consumption. A realistic p Read More
Concept of Hydrogen Fired Gas Turbine Cycle with Exhaust Gas Recirculation: Assessment of Process Performance
Nov 2019
Publication
High hydrogen content fuels can be used in gas turbine for power generation with CO2 capture IGCC plants or with hydrogen from renewables. The challenge for the engine is the high reactive combustion properties making dilution necessary to mitigate NOx emissions at the expense of a significant energy cost. In the concept analysed in this study high Exhaust Gas Recirculation (EGR) rate is applied to the gas turbine to generate oxygen depleted air. As a res Read More
Freeze-dried Ammonia Borane-polyethylene Oxide Composites: Phase Behaviour and Hydrogen Release
Feb 2018
Publication
A solid-state hydrogen storage material comprising ammonia borane (AB) and polyethylene oxide (PEO) has been produced by freeze-drying from aqueous solutions from 0% to 100% AB by mass. The phase mixing behaviour of AB and PEO has been investigated using X-ray diffraction which shows that a new ‘intermediate’ crystalline phase exists different from both AB and PEO as observed in our previous work (Nathanson et al. 2015). It is suggested th Read More
Achieving High-rate Hydrogen Recovery from Wastewater Using Customizable Alginate Polymer Gel Matrices Encapsulating Biomass
Jul 2018
Publication
In addition to methane gas higher-value resources such as hydrogen gas are produced during anaerobic wastewater treatment. They are however immediately consumed by other organisms. To recover these high-value resources not only do the desired phenotypes need to be retained in the anaerobic reactor but the undesired ones need to be washed out. In this study a well-established alginate-based polymer gel with and without a coating layer Read More
Fuel Cell and Hydrogen Technology- Europe's Journey to a Greener World
Nov 2017
Publication
On the occasion of its 10th Stakeholder forum the FCH JU published a unique and exclusive book. This book sets out the story behind both the FCH JU and fuel cell and hydrogen technology in Europe. It reviews the events leading to its creation and examines the achievements that have allowed Europe to take a leading role in fuel cell and hydrogen excellence. It also looks at what this investment in fuel cell technology will mean for the EU in the coming years
Aqueous Phase Reforming in a Microchannel Reactor: The Effect of Mass Transfer on Hydrogen Selectivity
Aug 2013
Publication
Aqueous phase reforming of sorbitol was carried out in a 1.7 m long 320 mm ID microchannel reactor with a 5 mm Pt-based washcoated catalyst layer combined with nitrogen stripping. The performance of this microchannel reactor is correlated to the mass transfer properties reaction kinetics hydrogen selectivity and product distribution. Mass transfer does not affect the rate of sorbitol consumption which is limited by the kinetics of the reforming Read More
Hydrogen Powered Aviation: A Fact-based Study of Hydrogen Technology, Economics, and Climate Impact by 2050
Jul 2020
Publication
This report assesses the potential of hydrogen (H2) propulsion to reduce aviation’s climate impact. To reduce climate impact the industry will have to introduce further levers such as radically new technology significantly scale sustainable aviation fuels (SAF) such as synthetic fuel (synfuel) temporarily rely on offsets in large quantities or rely on a combination thereof. H2 propulsion is one such technology and this report assesses its potential in aviatio Read More
Hydrogen: The Future Energy Carrier
Jul 2010
Publication
Since the beginning of the twenty-first century the limitations of the fossil age with regard to the continuing growth of energy demand the peaking mining rate of oil the growing impact of CO2 emissions on the environment and the dependency of the economy in the industrialized world on the availability of fossil fuels became very obvious. A major change in the energy economy from fossil energy carriers to renewable energy fluxes is necessary. The main Read More
Application of Natural Ventilation Engineering Models to Hydrogen Build Up in Confined Zones
Sep 2013
Publication
Correlative engineering models (Linden 1994) are compared to recent published (Cariteau et al. (2009) Pitts et al. (2009) Barley and Gawlick (2009) Swain et al. (1999) Merilo et al. (2010)) and unpublished (CEA experiments in a 1 m3 with two openings) experimental hydrogen or helium distribution in enclosures (with one and two openings). The modelling-experiments comparison is carried out in transient and in steady state conditions. On this basis recom Read More
Hydrogen Effects in Corrosion: Discussion
Jun 2017
Publication
This session contained talks on the characterization of hydrogen-enhanced corrosion of steels and nickel-based alloys emphasizing the different observations across length scales from atomic-scale spectrographic to macro-scale fractographic examinations.This article is the transcription of the recorded discussion of the session ‘Hydrogen Effects in Corrosion’ at the Royal Society discussion meeting Challenges of Hydrogen and Metals 16–18 January 2017. Th Read More
Numerical Solution for Thermodynamic Model of Charge-discharge Cycle in Compressed Hydrogen Tank
Mar 2019
Publication
The safety and convenience of hydrogen storage are significant for fuel cell vehicles. Based on mass conservation equation and energy conservation equation two thermodynamic models (single zone model and dual zone model) have been established to study the hydrogen gas temperature and tank wall temperature for compressed hydrogen storage tank. With two models analytical solution and Euler solution for single zone (gas zone) charge-disc Read More
Combustion and Exhaust Emission Characteristics, and In-cylinder Gas Composition, of Hydrogen Enriched Biogas Mixtures in a Diesel Engine
Feb 2017
Publication
This paper presents a study undertaken on a naturally aspirated direct injection diesel engine investigating the combustion and emission characteristics of CH4-CO2 and CH4-CO2 -H2 mixtures. These aspirated gas mixtures were pilot-ignited by diesel fuel while the engine load was varied between 0 and 7 bar IMEP by only adjusting the flow rate of the aspirated mixtures. The in-cylinder gas composition was also investigated when combusting CH4-CO2 a Read More
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