United States
Recent Advances in Combustion Science Related to Hydrogen Safety
Dec 2024
Publication
Hydrogen is a key pillar in the global Net Zero strategy. Rapid scaling up of hydrogen production transport distribution and utilization is expected. This entails that hydrogen which is traditionally an industrial gas will come into proximity of populated urban areas and in some situations handled by the untrained public. To realize all their benefits hydrogen and its technologies must be safely developed and deployed. The specific properties of hydrogen invol Read More
Leakage Rates of Hydrogen-methane Gas Blends under Varying Pressure Conditions
Nov 2024
Publication
Integration of hydrogen into the existing natural gas infrastructure is considered a potential pathway that can accelerate the incorporation of hydrogen into the energy sector. While blending renewable hydrogen with natural gas offers advantages such as reduced carbon intensity and the ability to utilize existing infrastructure for hydrogen storage and transportation there are several concerns including leakage and associated issues. Un derstanding the be Read More
Social Risk Approach for Assessing Public Safety of Large-scale Hydrogen Systems
Sep 2023
Publication
Social risk is a comprehensive concept that considers not only internal/external physical risks but also risks (which are multiple varied and diverse) associated with social activity. It should be considered from diverse perspectives and requires a comprehensive evaluation framework that takes into account the synergistic impact of each element on others rather than evaluating each risk individually. Social risk assessment is an approach that is not limited Read More
Integration of Renewable Energy Sources in Tandem with Electrolysis: A Technology Review for Green Hydrogen Production
Jun 2024
Publication
The global shift toward sustainable energy solutions emphasises the urgent need to harness renewable sources for green hydrogen production presenting a critical opportunity in the transition to a low-carbon economy. Despite its potential integrating renewable energy with electrolysis to produce green hydrogen faces significant technological and economic challenges particularly in achieving high efficiency and cost-effectiveness at scale. This review syste Read More
A Perspective on Broad Deployment of Hydrogen-fueled Vehicles for Ground Freight Transportation with a Comparison to Electric Vehicles
Oct 2024
Publication
The pressing global challenge of climate change necessitates a concerted effort to limit greenhouse gas emissions particularly carbon dioxide. A critical pathway is to replace fossil fuel sources by electrification including transportation. While electrification of light-duty vehicles is rapidly expanding the heavy-duty vehicle sector is subject to challenges notably the logistical drawbacks of the size and weight of high-capacity batteries required for range as Read More
The Hydrogen Economy can Reduce Costs of Climate Change Mitigation by up to 22%
May 2024
Publication
In response to the urgent need to mitigate climate change via net-zero targets many nations are renewing their interest in clean hydrogen as a net-zero energy carrier. Although clean hydrogen can be directly used in various sectors for deep decarbonization the relatively low energy density and high production costs have raised doubts as to whether clean hydrogen development is worthwhile. Here we improve on the GCAM model by including Read More
Developing a Generalized Framework for Assessing Safety of Hydrogen Vehicles in Tunnels
Sep 2023
Publication
For widespread adoption of hydrogen fuel cell powered vehicles such vehicles need to be able to provide similar transportation capabilities as their gasoline/diesel powered counterparts. Meeting this requirement in many regions will necessitate access to tunnels. Previous work completed at Sandia National Laboratories provided high-fidelity consequence modeling of hydrogen vehicle tunnel crashes for a specific fire scenario in selected Mass Read More
Adaptive Network Fuzzy Inference System and Particle Swarm Optimization of Biohydrogen Production Process
Sep 2022
Publication
Green hydrogen is considered to be one of the best candidates for fossil fuels in the near future. Bio-hydrogen production from the dark fermentation of organic materials including organic wastes is one of the most cost-effective and promising methods for hydrogen production. One of the main challenges posed by this method is the low production rate. Therefore optimizing the operating parameters such as the initial pH value operating temperatur Read More
Hydrogen Equipment Enclosure Risk Reduction through Earlier Detection of Component Failures
Sep 2023
Publication
Hydrogen component reliability and the hazard associated with failure rates is a critical area of research for the successful implementation and growth of hydrogen technology across the globe. The research team has partnered to quantify system risk reduction through earlier detection of hydrogen component failures. A model of hydrogen dispersion in a hydrogen equipment enclosure has been developed utilizing experimentally quantified hydrogen com Read More
Batteries or Hydrogen or Both for Grid Electricity Storage Upon Full Electrification of 145 Countries with Wind-Water-Solar?
Jan 2024
Publication
Grids require electricity storage. Two emerging storage technologies are battery storage (BS) and green hydrogen storage (GHS) (hydrogen produced and compressed with clean-renewable electricity stored then returned to electricity with a fuel cell). An important question is whether GHS alone decreases system cost versus BS alone or BS+GHS. Here energy costs are modeled in 145 countries grouped into 24 regions. Existing conventional hydropo Read More
A Systematic Review: The Role of Emerging Carbon Capture and Conversion Rechnologies for Energy Transition to Clean Hydrogen
Feb 2024
Publication
The exploitation of fossil fuels in various sectors such as power and heat generation and the transportation sector has been the primary source of greenhouse gas (GHG) emissions which are the main contributors to global warming. Qatar's oil and gas sector notably contributes to CO2 emissions accounting for half of the total emissions. Globally it is essential to transition into cleaner fossil fuel production to achieve carbon neutrality on a gl Read More
A Novel Hydrogen Supply Chain Optimization Model - Case Study of Texas and Louisiana
Jun 2024
Publication
The increasing political momentum advocating for decarbonization efforts has led many governments around the world to unveil national hydrogen strategies. Hydrogen is viewed as a potential enabler of deep decarbonization notably in hard-to-abate sectors such as the industry. A multi-modal hourly resolved linear programming model was developed to assess the infrastructure requirements of a low-carbon supply chain over a large region. It Read More
Future of Hydrogen in the U.S. Energy Sector: MARKAL Modeling Results
Mar 2024
Publication
Hydrogen is an attractive energy carrier which could play a role in decarbonizing process heat power or transport applications. Though the U.S. already produces about 10 million metric tons of H2 (over 1 quadrillion BTUs or 1% of the U.S. primary energy consumption) production technologies primarily use fossil fuels that release CO2 and the deployment of other cleaner H2 production technologies is still in the very early stages in the U.S. This study Read More
The Role of Hydrogen in the Energy Transition of the Oil and Gas Industry
May 2024
Publication
Hydrogen primarily produced from steam methane reforming plays a crucial role in oil refining and provides a solution for the oil and gas industry's long-term energy transition by reducing CO2 emissions. This paper examines hydrogen’s role in this transition. Firstly experiences from oil and gas exploration including in-situ gasification can be leveraged for hydrogen production from subsurface natural hydrogen reservoirs. The produced hydrogen can serve as f Read More
Very Low-cost Wireless Hydrogen Leak Detection for Hydrogen Infrastructure
Sep 2023
Publication
A unique hydrogen leak detection strategy is the use of powerless indicator wraps for fittings and other pneumatic elements within a hydrogen facility. One transduction mechanism of such indicators is a color change that is induced by a reaction between a pigment and released hydrogen. This is an effective way to detect hydrogen leaks and to identify their source before they become a safety event however this technology requires visual (manual) inspecti Read More
Review of the US 2050 Long Term Strategy to Reach Net Zero Carbon Emissions
Jul 2024
Publication
In 2015 during the lead up to the Paris Climate Agreement the United States set forth a Nationally Determined Contribution that outlines national goals for greenhouse gas emission reductions. It was not until 2021 that the US put forth a long-term strategy that lays out the pathway to reach these goals. The US long-term strategy lays the framework for research needs to meet the greenhouse gas emission reduction goals and incentivizes industry to meet Read More
The NREL Sensor Laboratory: Hydrogen Leak Detection for Large Scale Deployments
Sep 2023
Publication
The NREL Hydrogen Sensor Laboratory was commissioned in 2010 as a resource for sensor developers end-users and regulatory agencies within the national and international hydrogen community. The Laboratory continues to provide as its core capability the unbiased verification of hydrogen sensor performance to assure sensor availability and their proper use. However the mission and strategy of the NREL Sensor Laboratory has evolved to meet the need Read More
Alternative Fuels in Sustainable Logistics—Applications, Challenges, and Solutions
Sep 2024
Publication
Logistics is becoming more cost competitive while customers and regulatory bodies pressure businesses to disclose their carbon footprints creating interest in alternative fuels as a decarbonization strategy. This paper provides a thematic review of the role of alternative fuels in sustainable air land and sea logistics their challenges and potential mitigations. Through an extensive literature survey we determined that biofuels synthetic kerosene natural gas am Read More
Fuelling the Future: An In-depth Review of Recent Trends, Challenges and Opportunities of Hydrogen Fuel Cell for a Sustainable Hydrogen Economy
Sep 2023
Publication
Hydrogen has gained tremendous momentum worldwide as an energy carrier to transit to a net zero emission energy sector. It has been widely adopted as a promising large-scale renewable energy (RE) storage solution to overcome RE resources’ variability and intermittency nature. The fuel cell (FC) technology became in focus within the hydrogen energy landscape as a cost-effective pathway to utilize hydrogen for power generation. Therefore FC techno Read More
Outlook and Challenges for Hydrogen Storage in Nanoporous Materials
Feb 2016
Publication
Darren P. Broom,
Colin Webb,
Katherine Hurst,
P. A. Parilla,
Thomas Gennett,
C. M. Brown,
Renju Zacharia,
E. Tylianakis,
E. Klontzas,
George E. Froudakis,
Th. A. Steriotis,
Pantelis N. Trikalitis,
Donald L. Anton,
B. Hardy,
David A. Tamburello,
Claudio Corgnale,
B. A. van Hassel,
D. Cossement,
Richard Chahine and
Michael Hirscher
Considerable progress has been made recently in the use of nanoporous materials for hydrogen storage. In this article the current status of the field and future challenges are discussed ranging from important open fundamental questions such as the density and volume of the adsorbed phase and its relationship to overall storage capacity to the development of new functional materials and complete storage system design. With regard to funda Read More
No more items...