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Energy

Fuels

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Displaying 1 - 25 of 248

EOS-CG-2021: A Mixture Model for the Calculation of Thermodynamic Properties of CCS Mixtures

November 16, 2023
Author(s)
Tobias Neumann, Stefan Herrig, Ian Bell, Robin Beckmuller, Eric W. Lemmon, Monika Thol, Roland Span
Thermodynamic properties for CCS-relevant mixtures can be calculated with the fundamental equation of state presented in this work over wide ranges of pressure, temperature, and composition for gas, liquid, and supercritical states, as well as phase

Prediction of Sustainable Aviation Fuel Properties for Liquid Hydrocarbons from Hydrotreating Biomass Catalytic Fast Pyrolysis Derived Organic Intermediates

April 11, 2023
Author(s)
Suphat Watanasiri, Kristiina Iisa, Eugene Paulechka, Earl Christensen, Chris Muzny, Abhijit Dutta
Catalytic fast pyrolysis (CFP) of wood, woody residues, and agricultural waste has the potential to produce organic liquid intermediates that can be hydroprocessed to sustainable aviation fuels (SAF). In this article we present results of property

EFFECT OF FLUID PROPERTIES ON CONTACT ANGLES IN THE EAGLE FORD SHALE MEASURED WITH SPONTANEOUS IMBIBITION

November 19, 2021
Author(s)
Joanna McFarlane, Victoria H. DiStefano, Philip R. Bingham, Hassina Z. Bilheux, Michael C. Cheshire, Richard E. Hale, Daniel Hussey, David Jacobson, Lindsay M. Kolbus, Jacob LaManna, Edmund Perfect, Mark Rivers, Louis J. Santodonato, Lawrence M. Anovitz
Models of fluid flow are used to improve the efficiency of oil and gas extraction and to estimate the storage and leakage of carbon dioxide in geologic reservoirs. Therefore, a quantitative understanding of key parameters of rock-fluid interactions, such

Accurate measurement of the through-plane water content of proton-exchange membranes using neutron radiography

April 21, 2021
Author(s)
Daniel S. Hussey, David L. Jacobson, Dusan Spernjak, Adam Weber, Rangachary Mukundan, Joseph Fairweather, Eric Brosha, John Davey, Jacob Spendelow, Rodney Borup
The water sorption of proton-exchange membranes (PEMs) was measured in situ using high-resolution neutron imaging in small-scale fuel-cell test sections. A detailed characterization of the measurement uncertainties and corrections associated with the

Effects of Cathode Corrosion on Through-Plane Water Transport in Proton Exchange Membrane Fuel Cells

April 21, 2021
Author(s)
Daniel S. Hussey, Joseph Fairweather, Dusan Spernjak, Adam Weber, David Harvey, Silvia Wessell, David L. Jacobson, Kateryna Artyushkova, Rangachary Mukundan, Rodney Borup
The corrosion of carbon in the electrode supports of proton-exchange-membrane fuel cells leads to electrode collapse, reduced active catalyst area, and increased surface hydrophilicity. While these effects have been linked to performance degradation over

Dynamic Structure of Active Sites in Ceria-Supported Pt Catalysts for the Water Gas Shift Reaction

February 10, 2021
Author(s)
Yuanyuan Li, Matthew Kottwitz, Joshua L. Vincent, Zongyuan Liu, Michael J. Enright, Lihua Zhang, Jiahao Huang, Sanjaya D. Senanayake, Wei-Chang Yang, Peter A. Crozier, Ralph G. Nuzzo, Anatoly I. Frenkel
Oxide-supported noble metal catalysts have been extensively studied for decades for the water gas shift (WGS) reaction, a catalytic transformation central to a host of large volume processes that variously utilize or produce hydrogen. There remains

Water Migration and Swelling in Engineered Barrier Materials for Radioactive Waste Disposal

January 25, 2021
Author(s)
Joanna McFarlane, Lawrence M Anovitz, Michael C. Cheshire, Victoria H. DiStefano, Hassina Z. Bilheux, Jean-Christophe Bilheux, Luke L. Daemen, Richard E. Hale, Ronald L. Howard, A. J. Ramirez-Cuesta, Louis J. Santodonato, Markus Bleuel, Daniel S. Hussey, David L. Jacobson, Jacob LaManna, Edmund Perfect, Logan Qualls
Deep underground repositories are needed to isolate radioactive waste from the biosphere. Bentonite is an integral component of many multibarrier repository systems. Information on the hydraulic behavior of bentonite is needed for modeling the long-term

Boosting Membrane Hydration for High Current Densities in Membrane Electrode Assembly CO2 Electrolysis

November 25, 2020
Author(s)
Hisan W. Shafaque, ChungHyuk Lee, Kieran F. Fahy, Jason K. Lee, Jacob LaManna, Eli Baltic, Daniel S. Hussey, David L. Jacobson, Aimy Bazylak
Despite the advantages of CO2 electrolyzers, efficiency losses due to mass and ionic transport across the membrane electrode assembly (MEA) are critical bottlenecks for commercial-scale implementation. In this study, more efficient electrolysis of CO2 was

Kinetics of Isopropanol Decomposition and Reaction with H atoms from Shock Tube Experiments and Rate Constant Optimization using the Method of Uncertainty Minimization using Polynomial Chaos Expansions (MUM-PCE)

September 28, 2020
Author(s)
Laura A. Mertens, Jeffrey A. Manion
Recent interest in isopropanol (2-propanol, C3H¬7OH) combustion stems from its potential as a renewable biofuel. Here, we report shock tube investigations of isopropanol decomposition and reaction with H atoms at (918 to 1212) K and (158 to 484) kPa

Efficient electrically-powered CO2-to-ethanol via suppression of deoxygenation

May 11, 2020
Author(s)
Xue Wang, Wang Ziyun, F. P. Garcia de Arquer, Cao-Thang Dinh, Adnan Ozden, Yuguang C. Li, Dae-Hyun Nam, Jun Li, Yi-Sheng Liu, Joshua Wicks, Zitao Chen, Miaofang Chi, Bin Chen, Ying Wang, Jason Tam, Jane Y. Howe, Andrew Proppe, Peter Todrovic, Fengwang Li, Tao-Tao Zhuang, Christine M. Garbardo, Ahmad R. Kirmani, Christopher McCallum, Yanwei Lum, Mingchuan Luo, Yimeng Min, Aoni Xu, Colin P. O'Brien, Bello Stephen, Bin Sun, Alexander H. Ip, Lee J. Richter, Shana O. Kelley, David Sinton, Edward H. Sargent
The carbon dioxide electroreduction reaction (CO2RR) provides avenues to the production renewable ethanol, a high-energy-density fuel. Unfortunately, until now, the ethanol Faradaic efficiency (FE) has lain below 27% in CO2RR studies reported at total

CO2 electrolysis to multicarbon products at activities greater than 1 A cm(-2)

December 23, 2019
Author(s)
Lee J. Richter, Ahmad R. Kirmani, F. P. Garcia de Arquer, Cao-Thang Dinh, Adnan Ozden, Joshua Wicks, Christopher McCallum, Gabardo M. Christine, Ali Seifitokaldani, Xue Wang, Yuguang C. Li, Fengwang Li, Jonathan Edwards, Steven J. Thorpe, David Sinton, Edward H. Sargent, Nam Dae-Hyun, Dae-Hyun Nam
Electrolysis offers an attractive route to upgrade greenhouse gases such as carbon dioxide (CO2) to valuable fuels and feedstocks; however, productivity is often limited by gas diffusion through a liquid electrolyte to the surface of the catalyst. Here, we

Efficient upgrading of CO to C3 fuel using asymmetric C-C coupling active sites

November 29, 2019
Author(s)
Lee J. Richter, Ahmad R. Kirmani, Xue Wang, Wang Ziyuan, Dinh Cao-Thang, Li Jun, Nam Dae-Hyun, Li Fengwang, Huang Chun-Wei, Tan Chih-Shan, Chen Zitao, Chi Miaofang, Gabardo M. Christine, Seiifitokaldani Ali, Todorovic Petar, Proppe Andrew, Pang Yuanjie, wang yuhang, Ip H. Alexander, Shen-Chuan Lo, shana O. kelley, David Sinton, Edward H. Sargent, Tao-Tao Zhuang, Benjamin Scheffel
The electroreduction of C1 feedgas to high-energy-density fuels provides an attractive avenue to the storage of renewable electricity. Much progress has been made to improve selectivity to C1 and C2 products, however, the selectivity to desirable high

Fatigue Testing of Pipeline Welds and Heat-Affected Zones in Pressurized Hydrogen Gas

April 26, 2019
Author(s)
Elizabeth S. Drexler, Andrew J. Slifka, Robert L. Amaro, Jeffrey W. Sowards, Matthew J. Connolly, May L. Martin, Damian S. Lauria
Several welds and associated heat-affected zones (HAZs) on two API X70 and two API X52 pipes were tested to determine the fatigue crack growth rate (FCGR) in pressurized hydrogen gas and assess the area of the pipe that was most susceptible to fatigue when

On the mechanisms and the characterization of the pulsed electron grafting of styrene onto poly(tetrafluoroethylene-co-hexafluoropropylene) to synthesize a polymer electrolyte membrane

September 21, 2018
Author(s)
Byung N. Kim, Alia Weaver, Marina Chumakov, Ileana M. Pazos, Dianne L. Poster, Karen Gaskell, Do H. Han, Gunther Scherer, Michael A. Yandrasits, Byung C. Lee, Mohamad Al-Sheikhly
During the pulsed-electron beam direct grafting of neat styrene onto poly(tetrafluoroethylene-co-hexafluoropropylene) (FEP) substrate, the radiolytically-produced styryl and carbon-centered FEP radicals undergo various desired and undesired competing

Density and Speed of Sound Measurements of Surrogate Diesel Fuels

August 30, 2018
Author(s)
Tara Fortin
The densities and speeds of sound of four surrogate diesel fuels of varying compositional accuracy were measured at atmospheric pressure over the combined temperature range 278.15 K to 343.15 K. Measurement results for the surrogate fuels were compared to

Initiation of flash boiling of multicomponent miscible mixtures with application to transportation fuels and their surrogates

August 16, 2018
Author(s)
Charles T. Avedisian, Kyle Skyllingstad1, Richard E. Cavicchi, Corinne Lippe, Michael J. Carrier
This paper presents methodologies to predict thermodynamic conditions that initiate flash boiling by spontaneous nucleation of liquids consisting of hundreds of miscible liquids and their lower order surrogate mixtures. The methods are illustrated with a

Density and Viscosity Measurements of a 50/50 JP-10 + Terpene Mixture

March 9, 2018
Author(s)
Stephanie L. Outcalt, Tara J. Fortin
Densities of a 50/50 by volume mixture of JP-10 + a turpentine dimer fuel (TDF) have been measured in the compressed-liquid state from 270 K to 470 K, and 0.5 MPa to 45 MPa and at ambient pressure from 263.15 K to 373.15 K. Ambient pressure dynamic
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