Search Results - "Olson, Tim"

Non-platinum oxygen reduction electrocatalysts based on pyrolyzed transition metal macrocycles by Pylypenko, Svitlana, Mukherjee, Sanjoy, Olson, Tim S., Atanassov, Plamen

“…In this work pyrolyzed porphyrins were investigated for oxygen reduction electrocatalysis. Pyrolysis of non-supported cobalt and iron tetraphenylporphyrins in…”
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Anion-Exchange Membrane Fuel Cells: Dual-Site Mechanism of Oxygen Reduction Reaction in Alkaline Media on Cobalt−Polypyrrole Electrocatalysts by Olson, Tim S, Pylypenko, Svitlana, Atanassov, Plamen, Asazawa, Koichiro, Yamada, Koji, Tanaka, Hirohisa

“…The oxygen reduction reaction (ORR) processes in alkaline media that occur on a family of electrocatalyst materials derived from a Co containing precursor and…”
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Direct Spectroscopic Observation of the Structural Origin of Peroxide Generation from Co-Based Pyrolyzed Porphyrins for ORR Applications by Ziegelbauer, Joseph M, Olson, Tim S, Pylypenko, Svitlana, Alamgir, Faisal, Jaye, Cherno, Atanassov, Plamen, Mukerjee, Sanjeev

“…Pyrolyzed transition metal based porphyrins present an attractive alternative to state of the art Pt-based electrocatalysts for fuel cell applications based on…”
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Cross-Laboratory Experimental Study of Non-Noble-Metal Electrocatalysts for the Oxygen Reduction Reaction by Jaouen, Frédéric, Herranz, Juan, Lefèvre, Michel, Dodelet, Jean-Pol, Kramm, Ulrike I, Herrmann, Iris, Bogdanoff, Peter, Maruyama, Jun, Nagaoka, Toru, Garsuch, Arnd, Dahn, Jeff R, Olson, Tim, Pylypenko, Svitlana, Atanassov, Plamen, Ustinov, Eugene A

“…Nine non-noble-metal catalysts (NNMCs) from five different laboratories were investigated for the catalysis of O2 electroreduction in an acidic medium. The…”
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Highly methanol-tolerant non-precious metal cathode catalysts for direct methanol fuel cell by Piela, Barbara, Olson, Tim S., Atanassov, Plamen, Zelenay, Piotr

“…This work reports on the oxygen reduction activity of several non-precious metal (non-PGM) catalysts for oxygen reduction reaction (ORR) at the fuel cell…”
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Non-platinum cathode catalyst layer composition for single Membrane Electrode Assembly Proton Exchange Membrane Fuel Cell by Olson, Tim S., Chapman, Kate, Atanassov, Plamen

“…The performance of nano-structured templated non-platinum-based cathode electrocatalysts for proton exchange membrane fuel cells (PEMFC) was evaluated for…”
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Predictive Modeling of Electrocatalyst Structure Based on Structure-to-Property Correlations of X-ray Photoelectron Spectroscopic and Electrochemical Measurements by Artyushkova, Kateryna, Pylypenko, Svitlana, Olson, Tim S, Fulghum, Julia E, Atanassov, Plamen

“…Chemical structure and catalytic activity of nonplatinum porphyrin-based electrocatalyst for oxygen reduction is characterized by combination of X-ray…”
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Tuning Carbon-Based Fuel Cell Catalyst Support Structures via Nitrogen Functionalization. I. Investigation of Structural and Compositional Modification of Highly Oriented Pyrolytic Graphite Model Catalyst Supports as a Function of Nitrogen Implantation Dose by Pylypenko, Svitlana, Queen, Aimee, Olson, Tim S, Dameron, Arrelaine, O’Neill, Kevin, Neyerlin, K. C, Pivovar, Bryan, Dinh, Huyen N, Ginley, David S, Gennett, Thomas, O’Hayre, Ryan

“…Surface modification and doping of graphitic-carbon catalyst support materials in fuel cell systems, particularly via nitrogen functionalization, has been…”
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Tuning Carbon-Based Fuel Cell Catalyst Support Structures via Nitrogen Functionalization. II. Investigation of Durability of Pt–Ru Nanoparticles Supported on Highly Oriented Pyrolytic Graphite Model Catalyst Supports As a Function of Nitrogen Implantation Dose by Pylypenko, Svitlana, Queen, Aimee, Olson, Tim S, Dameron, Arrelaine, O’Neill, Kevin, Neyerlin, K.C, Pivovar, Bryan, Dinh, Huyen N, Ginley, David S, Gennett, Thomas, O’Hayre, Ryan

“…Nitrogen functionalization of carbon-based support materials for low-temperature fuel cell catalysts has been shown to improve catalyst–support interactions…”
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Templated Pt–Sn electrocatalysts for ethanol, methanol and CO oxidation in alkaline media by Switzer, Elise E., Olson, Tim S., Datye, Abhaya K., Atanassov, Plamen, Hibbs, Michael R., Cornelius, Christopher J.

“…In this work, we have investigated an aerosol-derived templated electrocatalyst for electro-oxidation of small organic molecules in alkaline media. Templated…”
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Novel KOH-free anion-exchange membrane fuel cell: Performance comparison of alternative anion-exchange ionomers in catalyst ink by Switzer, Elise E., Olson, Tim S., Datye, Abhaya K., Atanassov, Plamen, Hibbs, Michael R., Fujimoto, Cy, Cornelius, Christopher J.

“…Alkaline membrane electrode assemblies (MEAs) were fabricated and tested in 5 cm 2 single cell configuration. The fuel cell tests were preformed in the absence…”
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Selectivity of Cobalt-Based Non-Platinum Oxygen Reduction Catalysts in the Presence of Methanol and Formic Acid by Olson, Tim S, Pylypenko, Svitlana, Kattel, Shyam, Atanassov, Plamen, Kiefer, Boris

“…The reaction selectivity of non-Pt based fuel cell oxygen reduction catalysts is studied in mixed methanol/O2 and formic acid/O2 environments. Technologically…”
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An Approach for a Synthetic CTL Vaccine Design against Zika Flavivirus Using Class I and Class II Epitopes Identified by Computer Modeling by Cunha-Neto, Edecio, Rosa, Daniela S, Harris, Paul E, Olson, Tim, Morrow, Alex, Ciotlos, Serban, Herst, Charles V, Rubsamen, Reid Martin

“…The threat posed by severe congenital abnormalities related to Zika virus (ZKV) infection during pregnancy has turned development of a ZKV vaccine into an…”
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Effect of nitrogen post-doping on a commercial platinum—ruthenium/ carbon anode catalyst by CORPUZ, April R, WOOD, Kevin N, O'HAYRE, Ryan, PYLYPENKO, Svitlana, DAMERON, Arrelaine A, JOGHEE, Prabhuram, OLSON, Tim S, BENDER, Guido, DINH, Huyen N, GENNETT, Thomas, RICHARDS, Ryan M

“…This work investigates the effects of after-the-fact chemical modification of a state-of-the-art commercial carbon-supported PtRu catalyst for direct methanol…”
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Templated Platinum/Carbon Oxygen Reduction Fuel Cell Electrocatalysts by Pylypenko, Svitlana, Olson, Tim S, Carroll, Nick J, Petsev, Dimiter N, Atanassov, Plamen

“…This paper describes a new class of templated electrocatalysts for oxygen reduction in polymer electrolyte membrane fuel cells. Electrocatalysts were made by…”
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Long-Term Organ Function After HCT for SCD: A Report From the Sickle Cell Transplant Advocacy and Research Alliance by Stenger, Elizabeth, Xiang, Yijin, Wetzel, Martha, Gillespie, Scott, Chellapandian, Deepak, Shah, Rikin, Arnold, Staci D., Bhatia, Monica, Chaudhury, Sonali, Eckrich, Michael J., Kanter, Julie, Kasow, Kimberly A., Krajewski, Jennifer, Nickel, Robert S., Ngwube, Alexander I., Olson, Tim S., Rangarajan, Hemalatha G., Wobma, Holly, Guilcher, Gregory M.T., Horan, John T., Krishnamurti, Lakshmanan, Shenoy, Shalini, Abraham, Allistair

“…Hematopoietic cell transplantation (HCT) is an established cure for sickle cell disease (SCD) supported by long-term survival, but long-term organ function…”
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A prototype telerobotic platform for live transmission line maintenance: Review of design and development by Banthia, Vikram, Maddahi, Yaser, Zareinia, Kourosh, Liao, Stephen, Olson, Tim, Fung, Wai-Keung, Balakrishnan, Subramaniam, Sepehri, Nariman

“…This paper reports technical design of a novel experimental test facility, using haptic-enabled teleoperation of robotic manipulators, for live transmission…”
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Effect of Halide-Modified Model Carbon Supports on Catalyst Stability by Wood, Kevin N, Pylypenko, Svitlana, Olson, Tim S, Dameron, Arrelaine A, O’Neill, Kevin, Christensen, Steven T, Dinh, Huyen N, Gennett, Thomas, O’Hayre, Ryan

“…Modification of physiochemical and structural properties of carbon-based materials through targeted functionalization is a useful way to improve the properties…”
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Composition- and Morphology-Dependent Corrosion Stability of Ruthenium Oxide Materials by Pylypenko, Svitlana, Blizanac, Berislav B, Olson, Tim S, Konopka, Daniel, Atanassov, Plamen

“…Ruthenium oxide materials were evaluated as possible non-carbon-based supports for fuel cell catalysts. The effects of composition and morphology of ruthenium…”
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Pt–Ru Alloyed Fuel Cell Catalysts Sputtered from a Single Alloyed Target by Dameron, Arrelaine A, Olson, Tim S, Christensen, Steven T, Leisch, Jennifer E, Hurst, Katherine E, Pylypenko, Svitlana, Bult, Justin B, Ginley, David S, O’Hayre, Ryan P, Dinh, Huyen N, Gennett, Thomas

“…This work illustrates the improved performance of a direct menthol fuel cell (DMFC) Pt1–x Ru x alloy phase catalysts deposited via magnetron sputtering onto a…”
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