United States
Everything About Hydrogen Podcast: Taking Hydrogen off the Grid
Jun 2022
Publication
On this episode of Everything About Hydrogen we chat with Andrew Cunningham Founder and Director at GeoPura. GeoPura is enabling the production transport and use of zero-emissions fuels with innovative and commercially viable technology to decarbonise the global economy. As the world transitions away from fossils fuels there is an increasing need for reliable clean electricity. If global power demand continues to grow as expected the electric Read More
Everything About Hydrogen Podcast: Decarbonizing Steel and Industrial Manufacturing
May 2022
Publication
H2 Green Steel was founded in 2020 with the aim to build a large-scale green steel production in northern Sweden. H2 Green Steel is on a mission to undertake the global steel industry’s greatest ever technological shift. By 2024 H2 Green Steel will be in production at their Boden site and by 2030 will produce five million tonnes of green steel annually. Vargas co-founder and a major shareholder in Northvolt is also H2 Green Steel’s founder and l Read More
Everything About Hydrogen Podcast: So, What's the Big Deal with Hydrogen?
Aug 2019
Publication
This episode is a whistle-stop tour of the hydrogen world. The team explore why hydrogen is making a resurgence as an energy carrier how decarbonising the existing hydrogen market is a huge opportunity and how fuel cells fit into the story.The podcast can be found on their website
A Global Review of the Hydrogen Energy Eco-System
Feb 2023
Publication
Climate change primarily caused by the greenhouse gases emitted as a result of the consumption of carbon-based fossil fuels is considered one of the biggest challenges that humanity has ever faced. Moreover the Ukrainian crisis in 2022 has complicated the global energy and food status quo more than ever. The permanency of this multifaceted fragility implies the need for increased efforts to have energy independence and requires long-term sol Read More
Transition to Renewable Energy for Communities: Energy Storage Requirements and Dissipation
Aug 2022
Publication
The transition of residential communities to renewable energy sources is one of the first steps for the decarbonization of the energy sector the reduction of CO2 emissions and the mitigation of global climate change. This study provides information for the development of a microgrid supplied by wind and solar energy which meets the hourly energy demand of a community of 10000 houses in the North Texas region; hydrogen is used as the energy storag Read More
Everything About Hydrogen Podcast: Hydrogen on a Global Scale
Aug 2022
Publication
On today’s episode of Everything About Hydrogen we are speaking with Dan Sadler Vice President for UK Low Carbon Solutions at Equinor. Equinor is of course a giant in the global energy sector and is taking a prominent role in the development of the international hydrogen economy with high-profile investments in a number of large-scale production projects in major markets such as the UK. Dan has spent the better part of a decade focused o Read More
Enabling Safe and Sustainable Hydrogen Mobility: Circular Economy-Driven Management of Hydrogen Vehicle Safety
Sep 2023
Publication
Hydrogen vehicles encompassing fuel cell electric vehicles (FCEVs) are pivotal within the UK’s energy landscape as it pursues the goal of net-zero emissions by 2050. By markedly diminishing dependence on fossil fuels FCEVs including hydrogen vehicles wield substantial influence in shaping the circular economy (CE). Their impact extends to optimizing resource utilization enabling zero-emission mobility facilitating the integration of renewable energy sourc Read More
Designing Off-grid Green Hydrogen Plants Using Dynamic Polymer Electrolyte Membrane Electrolyzers to Minimize the Hydrogen Production Cost
Oct 2023
Publication
Hydrogen produced from electrolysis is an attractive carbon-free fuel and feedstock but potential benefits depend on the carbon intensity of electricity production. This study uses technoeconomic modeling to analyze the benefits of producing zero-carbon hydrogen through dynamically operated polymer electrolyte membrane electrolyzers connected to photovoltaic and wind variable renewable energy (VRE) sources. Dynamic operation is considere Read More
Dispersion, Ignition and Combustion Characteristics of Low-pressure Hydrogen-Methane Blends
Sep 2023
Publication
In this paper we study the dispersion ignition and flame characteristics of blended jets of hydrogen and methane (as a proxy for natural gas) at near-atmospheric pressure for a fixed volumetric flow rate which mimics the scenario of a small-scale unintended leak. A reduction in flame height is observed with increasing hydrogen concentration. A laser is tightly focused to generate a spark with sufficient energy to ignite the fuel. The light-up boundar Read More
U.S. National Clean Hydrogen Strategy and Roadmap
Jun 2023
Publication
The U.S. National Clean Hydrogen Strategy and Roadmap explores opportunities for clean hydrogen to contribute to national decarbonization goals across multiple sectors of the economy. It provides a snapshot of hydrogen production transport storage and use in the United States today and presents a strategic framework for achieving large-scale production and use of clean hydrogen examining scenarios for 2030 2040 and 2050.The Strategy and Roadm Read More
Economic Assessment of Clean Hydrogen Production from Fossil Fuels in the Intermountain-west Region, USA
Jan 2024
Publication
The transition from fossil fuels to carbon-neutral energy sources is necessary to reduce greenhouse gas (GHG) emissions and combat climate change. Hydrogen (H2) provides a promising path to harness fossil fuels to reduce emissions in sectors such as transportation. However regional economic analyses of various H2 production techniques are still lacking. We selected a well-known fossil fuel-exporting region the USA’s Intermountain-West (I-WEST) Read More
Natural Hydrogen in the Energy Transition: Fundamentals, Promise, and Enigmas
Oct 2023
Publication
Beyond its role as an energy vector a growing number of natural hydrogen sources and reservoirs are being discovered all over the globe which could represent a clean energy source. Although the hydrogen amounts in reservoirs are uncertain they could be vast and they could help decarbonize energy-intensive economic sectors and facilitate the energy transition. Natural hydrogen is mainly produced through a geochemical process known as ser Read More
Visualisation and Quantification of Wind-induced Variability in Hydrogen Clouds Following Releases of Liquid Hydrogen
Sep 2023
Publication
Well characterized experimental data for consequence model validation is important in progressing the use of liquid hydrogen as an energy carrier. In 2019 the Health and Safety Executive (HSE) undertook a series of liquid hydrogen dispersion and combustion experiments as a part of the Pre-normative Research for Safe Use of Liquid Hydrogen (PRESLHY) project. In partnership between the National Renewable Energy Laboratory (NREL) and HSE time and s Read More
Deploying Green Hydrogen to Decarbonize China's Coal Chemical Sector
Dec 2023
Publication
China’s coal chemical sector uses coal as both a fuel and feedstock and its increasing greenhouse gas (GHG) emissions are hard to abate by electrification alone. Here we explore the GHG mitigation potential and costs for onsite deployment of green H2 and O2 in China’s coal chemical sector using a lifecycle assessment and techno-economic analyses. We estimate that China’s coal chemical production resulted in GHG emissions of 1.1 gigaton CO2 equi Read More
Technology Assessment for the Transition to a Renewable Electric Grid
Jun 2024
Publication
To reduce carbon emissions generation of electricity from combustion systems is being replaced by renewable resources. However the most abundant renewable sources – solar and wind – are not dispatchable vary diurnally and are subject to intermittency and produce electricity at times in excess of demand (excess production). To manage this variability and capture the excess renewable energy energy storage technologies are being develop Read More
A Review of Ni Based Powder Catalyst for Urea Oxidation in Assisting Water Splitting Reaction
Jan 2022
Publication
Water splitting has been regarded as a sustainable and environmentally-friendly technique to realize green hydrogen generation while more energy is consumed due to the high overpotentials required for the anode oxygen evolution reaction. Urea electrooxidation an ideal substitute is thus received increasing attention in assisting water-splitting reactions. Note that highly efficient catalysts are still required to drive urea oxidation and the facile Read More
A Review of the Status of Fossil and Renewable Energies in Southeast Asia and Its Implications on the Decarbonization of ASEAN
Mar 2022
Publication
The ten nations of Southeast Asia collectively known as ASEAN emitted 1.65 Gtpa CO2 in 2020 and are among the most vulnerable nations to climate change which is partially caused by anthropogenic CO2 emission. This paper analyzes the history of ASEAN energy consumption and CO2 emission from both fossil and renewable energies in the last two decades. The results show that ASEAN’s renewable energies resources range from low to moderate are un Read More
Integrated Power and Propulsion System Optimization for a Planetary-Hopping Robot
Aug 2022
Publication
Missions targeting the extreme and rugged environments on the moon and Mars have rich potential for a high science return although several risks exist in performing these exploration missions. The current generation of robots is unable to access these high-priority targets. We propose using teams of small hopping and rolling robots called SphereX that are several kilograms in mass and can be carried by a large rover or lander and tactically deployed Read More
Molten Carbonate Fuel Cells for Simultaneous CO2 Capture, Power Generation, and H2 Generation
Mar 2022
Publication
This article presents a new technology for the generation of power and steam or other process heat with very low CO2 emissions. It is well known that cogeneration of electricity and steam is highly efficient and that amine units can be used to remove CO2 from combustion flue gas but that the amine unit consumes a significant amount of steam and power reducing the overall system efficiency. In this report the use of molten carbonate fuel cells (M Read More
Numerical Modelling of H2 Storage with Cushion Gas of CO2 in Subsurface Porous Media: Filter Effects of CO2 Solubility
Jun 2022
Publication
The central objective of this study is to improve the understanding of flow behaviour during hydrogen (H2) storage in subsurface porous media with a cushion gas of carbon dioxide (CO2). In this study we investigate the interactions between various factors driving the flow behaviour including the underlying permeability heterogeneity viscous instability and the balance between the viscous and gravity forces. In particular we study the impact of CO2 sol Read More
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