Search Results - "Weidner, John"

Electrolyzer performance for producing hydrogen via a solar-driven hybrid-sulfur process by Weidner, John W.

“…Advances in fuel-cell technology and an increasing demand for hydrogen are driving the need for the development of more efficient methods to produce hydrogen…”
Get full text

Analysis of sulfur poisoning on a PEM fuel cell electrode by Sethuraman, Vijay A., Weidner, John W.

“…The extent of irreversible deactivation of Pt towards hydrogen oxidation reaction (HOR) due to sulfur adsorption and subsequent electrochemical oxidation is…”
Get full text

Numerical modeling of a bayonet heat exchanger-based reactor for sulfuric acid decomposition in thermochemical hydrogen production processes by Corgnale, Claudio, Shimpalee, Sirivatch, Gorensek, Maximilian B., Satjaritanun, Pongsarun, Weidner, John W., Summers, William A.

“…Sulfur-based thermochemical hydrogen production cycles represent one of the most appealing options to produce hydrogen from water on a large scale. The Hybrid…”
Get full text

Capacitance studies of cobalt oxide films formed via electrochemical precipitation by Srinivasan, Venkat, Weidner, John W.

“…Cobalt oxide films were prepared by electrochemically precipitating the hydroxide and heating it in air to form Co 3O 4. The resulting oxide films behave as a…”
Get full text

Measuring oxygen, carbon monoxide and hydrogen sulfide diffusion coefficient and solubility in Nafion membranes by Sethuraman, Vijay A., Khan, Saahir, Jur, Jesse S., Haug, Andrew T., Weidner, John W.

“…A Devanathan–Stachurski type diffusion cell made from a fuel cell assembly is designed to evaluate the gas transport properties of a proton exchange membrane…”
Get full text

The Effect of the Surface Composition of Ru-Pt Bimetallic Catalysts for Methanol Oxidation by Garrick, Taylor R., Diao, Weijian, Tengco, John M., Stach, Eric A., Senanayake, Sanjaya D., Chen, Donna A., Monnier, John R., Weidner, John W.

“…A series of Ru-Pt bimetallic catalysts prepared by the electroless deposition of controlled and variable amounts of Ru on the Pt surface of a…”
Get full text

Ruthenium–platinum bimetallic catalysts with controlled surface compositions and enhanced performance for methanol oxidation by Mehrabadi, Bahareh Alsadat Tavakoli, White, Rembert, Shakouri, Abolfazl, Regalbuto, John R., Weidner, John W., Monnier, John R.

“…[Display omitted] [Display omitted] •Bimetallic Ru-Pt catalysts prepared by ED of Ru on SEA-derived, Pt/XC72 catalysts.•Catalysts more active for methanol…”
Get full text

Separation of 103Ru from a proton irradiated thorium matrix: A potential source of Auger therapy radionuclide 103mRh by Mastren, Tara, Radchenko, Valery, Hopkins, Philip D, Engle, Jonathan W, Weidner, John W, Copping, Roy, Brugh, Mark, Nortier, F Meiring, Birnbaum, Eva R, John, Kevin D, Fassbender, Michael Ernst-Heinrich

“…Ruthenium-103 is the parent isotope of 103mRh (t1/2 56.1 min), an isotope of interest for Auger electron therapy. During the proton irradiation of thorium…”
Get full text

Analysis of electrochemical impedance spectroscopy in proton exchange membrane fuel cells by Gomadam, Parthasarathy M., Weidner, John W.

“…A literature review of electrochemical impedance spectroscopy (EIS) analysis of proton exchange membrane fuel cells (PEMFCs) is presented. Emphasis is placed…”
Get full text

A thermodynamic analysis of the SO2/H2SO4 system in SO2-depolarized electrolysis by GORENSEK, Maximilian B, STASER, John A, STANFORD, Thomas G, WEIDNER, John W

Get full text

Importance of catalyst stability vis-à-vis hydrogen peroxide formation rates in PEM fuel cell electrodes by Sethuraman, Vijay A., Weidner, John W., Haug, Andrew T., Pemberton, Marianne, Protsailo, Lesia V.

“…The role of catalyst stability on the adverse effects of hydrogen peroxide (H 2O 2) formation rates in a proton exchange membrane fuel cell (PEMFC) is…”
Get full text

Synthesis and Electrochemical Evaluation of Carbon Supported Pt-Co Bimetallic Catalysts Prepared by Electroless Deposition and Modified Charge Enhanced Dry Impregnation by John Meynard M. Tengco, Bahareh Alsadat Tavakoli Mehrabadi, Yunya Zhang, Akkarat Wongkaew, John R. Regalbuto, John W. Weidner, John R. Monnier

“…Carbon-supported bimetallic Pt-Co cathode catalysts have been previously identified as higher activity alternatives to conventional Pt/C catalysts for fuel…”
Get full text

Experimental validation of a methanol crossover model in DMFC applications by ECCARIUS, Steffen, GARCIA, Brenda Lee, HEBLING, Christopher, WEIDNER, John W

“…A design of experiments (DOEs) coupled with a mathematical model was used to quantify the factors affecting methanol crossover in a direct methanol fuel cell…”
Get full text

Dimensionless Analysis for Predicting Fe-Ni-Cr Alloy Corrosion in Molten Salt Systems for Concentrated Solar Power Systems by Cho, Hyun-Seok, Van Zee, J W, Shimpalee, Sirivatch, Tavakoli, Bahareh A, Weidner, John W, Garcia-Diaz, Brenda L, Martinez-Rodriguez, Michael J, Olson, Luke, Gray, Joshua

“…In high operating temperature concentrated solar power (CSP) systems, the use of molten salt heat transfer fluids causes corrosion of alloys in receivers and…”
Get full text

Analysis of a gas-phase Br2–H2 redox flow battery by Zhang, Rui, Weidner, John W.

“…The operation of a gas-phase Br 2 –H 2 flow battery is analyzed via a mathematical model and compared to experimental data. The model predicts the operating…”
Get full text

Mathematical modeling of lithium-ion and nickel battery systems by Gomadam, Parthasarathy M., Weidner, John W., Dougal, Roger A., White, Ralph E.

“…A review of mathematical models of lithium and nickel battery systems developed at the University of South Carolina is presented. Models of Li/Li-ion batteries…”
Get full text

Electrochemical hydrogen production from thermochemical cycles using a proton exchange membrane electrolyzer by Sivasubramanian, PremKumar, Ramasamy, Ramaraja P., Freire, Francisco J., Holland, Charles E., Weidner, John W.

“…The electrochemical step in two thermochemical cycles for hydrogen production is reported. One cycle involves the electrochemical oxidation of sulfur dioxide…”
Get full text

Three-dimensional Biomimetic Technology: Novel Biorubber Creates Defined Micro- and Macro-scale Architectures in Collagen Hydrogels by Rodriguez-Rivera, Veronica, Weidner, John W, Yost, Michael J

“…Tissue scaffolds play a crucial role in the tissue regeneration process. The ideal scaffold must fulfill several requirements such as having proper…”
Get full text

In-situ electrochemical analysis of microbial activity by Martin, Ariane L., Satjaritanun, Pongsarun, Shimpalee, Sirivatch, Devivo, Blake A., Weidner, John, Greenway, Scott, Henson, J. Michael, Turick, Charles E.

“…Microbes have a wide range of metabolic capabilities available that makes them industrially useful organisms. Monitoring these metabolic processes is a crucial…”
Get full text

Chromatographic separation of the theranostic radionuclide 111Ag from a proton irradiated thorium matrix by Mastren, Tara, Radchenko, Valery, Engle, Jonathan W., Weidner, John W., Owens, Allison, Wyant, Lance E., Copping, Roy, Brugh, Mark, Nortier, F. Meiring, Birnbaum, Eva R., John, Kevin D., Fassbender, Michael E.

“…Column chromatographic methods have been developed to separate no-carrier-added 111Ag from proton irradiated thorium targets and associated fission products as…”
Get full text