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Displaying 26 - 50 of 490

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

Kinetics of H Atom Addition to Cyclopentene

March 7, 2018
Author(s)
Jeffrey A. Manion, Iftikhar A. Awan
To provide benchmark information needed to develop kinetic models of the combustion and pyrolysis of hydrocarbon ring structures, we have used the single pulse shock tube technique to study the kinetics of H atom addition to cyclopentene at 863 K to 1167 K
Displaying 26 - 50 of 490