Search Results - "Wickman, Björn"

Effective removal of mercury from aqueous streams via electrochemical alloy formation on platinum by Tunsu, Cristian, Wickman, Björn

“…Retrieval of mercury from aqueous streams has significant environmental and societal importance due to its very high toxicity and mobility. We present here a…”
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Enabling direct H2O2 production through rational electrocatalyst design by Siahrostami, Samira, Verdaguer-Casadevall, Arnau, Karamad, Mohammadreza, Deiana, Davide, Malacrida, Paolo, Wickman, Björn, Escudero-Escribano, María, Paoli, Elisa A., Frydendal, Rasmus, Hansen, Thomas W., Chorkendorff, Ib, Stephens, Ifan E. L., Rossmeisl, Jan

“…Future generations require more efficient and localized processes for energy conversion and chemical synthesis. The continuous on-site production of hydrogen…”
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W‐Based Atomic Laminates and Their 2D Derivative W1.33C MXene with Vacancy Ordering by Meshkian, Rahele, Dahlqvist, Martin, Lu, Jun, Wickman, Björn, Halim, Joseph, Thörnberg, Jimmy, Tao, Quanzheng, Li, Shixuan, Intikhab, Saad, Snyder, Joshua, Barsoum, Michel W., Yildizhan, Melike, Palisaitis, Justinas, Hultman, Lars, Persson, Per O. Å., Rosen, Johanna

“…Structural design on the atomic level can provide novel chemistries of hybrid MAX phases and their MXenes. Herein, density functional theory is used to predict…”
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Electrochemical etching of AlGaN for the realization of thin-film devices by Bergmann, Michael A., Enslin, Johannes, Yapparov, Rinat, Hjort, Filip, Wickman, Björn, Marcinkevičius, Saulius, Wernicke, Tim, Kneissl, Michael, Haglund, Åsa

“…Heterogeneously integrated AlGaN epitaxial layers will be essential for future optical and electrical devices like thin-film flip-chip ultraviolet (UV)…”
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Benchmarking the Stability of Oxygen Evolution Reaction Catalysts: The Importance of Monitoring Mass Losses by Frydendal, Rasmus, Paoli, Elisa A., Knudsen, Brian P., Wickman, Björn, Malacrida, Paolo, Stephens, Ifan E. L., Chorkendorff, Ib

“…Because of the rising need for energy storage, potentially facilitated by electrolyzers, improvements to the catalysis of the oxygen evolution reaction (OER)…”
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Synergies of co-doping in ultra-thin hematite photoanodes for solar water oxidation: In and Ti as representative case by Singh, Aadesh P, Tossi, Camilla, Tittonen, Ilkka, Hellman, Anders, Wickman, Björn

“…Solar energy induced water splitting in photoelectrochemical (PEC) cells is one of the most sustainable ways of hydrogen production. The challenge is to…”
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Fuel Cell Catalyst Layers with Platinum Nanoparticles Synthesized by Sputtering onto Liquid Substrates by Lönn, Björn, Strandberg, Linnéa, Roth, Vera, Luneau, Mathilde, Wickman, Björn

“…Platinum (Pt) nanoparticles are widely used as catalysts in proton exchange membrane fuel cells. In recent decades, sputter deposition onto liquid substrates…”
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Unraveling the Surface Chemistry and Structure in Highly Active Sputtered Pt3Y Catalyst Films for the Oxygen Reduction Reaction by Brown, Rosemary, Vorokhta, Mykhailo, Khalakhan, Ivan, Dopita, Milan, Vonderach, Thomas, Skála, Tomáš, Lindahl, Niklas, Matolínová, Iva, Grönbeck, Henrik, Neyman, Konstantin M, Matolín, Vladimír, Wickman, Björn

“…Platinum is the most widely used and best performing sole element for catalyzing the oxygen reduction reaction (ORR) in low-temperature fuel cells. Although…”
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ORR activity and stability of carbon supported Pt3Y thin films in PEMFCs by Marra, Eva, Montserrat-Sisó, Gerard, Eriksson, Björn, Lönn, Björn, Wreland Lindström, Rakel, Lindbergh, Göran, Wickman, Björn, Lagergren, Carina

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Enhanced oxygen reduction activity with rare earth metal alloy catalysts in proton exchange membrane fuel cells by Eriksson, Björn, Montserrat-Sisó, Gerard, Brown, Rosemary, Skála, Tomáš, Wreland Lindström, Rakel, Lindbergh, Göran, Wickman, Björn, Lagergren, Carina

“…•Sputter deposition of Pt3Y, Pt5Gd and Pt5Tb as cathode catalysts in PEMFCs.•ORR enhancement factor of 2.5 for Pt3Y and Pt5Gd and 2.0 for Pt5Tb.•Only minor…”
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Oxygen reduction reaction kinetics on a Pt thin layer electrode in AEMFC by Marra, Eva, Grimler, Henrik, Montserrat-Sisó, Gerard, Wreland Lindström, Rakel, Wickman, Björn, Lindbergh, Göran, Lagergren, Carina

“…•ORR kinetics is studied in an AEMFC using the thin-film Pt/GDL electrode.•Above 0.8 V a Tafel slope of 60 mV dec−1 was obtained at 30 °C and 100% RH.•The…”
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Comparison of Oxygen Adsorption and Platinum Dissolution in Acid and Alkaline Solutions Using Electrochemical Quartz Crystal Microbalance by Strandberg, Linnéa, Shokhen, Victor, Luneau, Mathilde, Lindbergh, Göran, Lagergren, Carina, Wickman, Björn

“…Platinum (Pt) is a widely used electrocatalyst material in fuel cells and electrolysers. Proton exchange membrane (PEM) fuel cells and electrolysis operate…”
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Fabrication of Pt/Ru Nanoparticle Pair Arrays with Controlled Separation and their Electrocatalytic Properties by Wickman, Björn, Seidel, Yvonne E, Jusys, Zenonas, Kasemo, Bengt, Behm, R. Jürgen

“…Aiming at the investigation of spillover and transport effects in electrocatalytic reactions on bimetallic catalyst electrodes, we have prepared novel,…”
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Top-down nanostructured multilayer MoS2 with atomically sharp edges for electrochemical hydrogen evolution reaction by Polyakov, Alexander Yu, Al Bacha, Serge, El Rouby, Waleed M.A., Munkhbat, Battulga, Assaud, Loïc, Millet, Pierre, Wickman, Björn, Shegai, Timur O.

“…Cost-efficient and readily scalable platinum-free electrocatalysts are crucial for a smooth transition to future renewable energy systems. Top-down activation…”
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Electrochemical Approach for Advanced Flow Reactors via Additive Manufacturing of High Surface Area Ti‐6Al‐4V Anode by Reza Bilesan, Mohammad, Yazdani, Meghdad, Luneau, Mathilde, Montserrat‐Sisó, Gerard, Wickman, Björn, Repo, Eveliina

“…Abstract Electrochemical processes use expensive noble metal‐based anodes which limit industrial implementation. In this study, a noble‐metal‐free Ti‐6Al‐4V…”
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High Specific and Mass Activity for the Oxygen Reduction Reaction for Thin Film Catalysts of Sputtered Pt3Y by Lindahl, Niklas, Zamburlini, Eleonora, Feng, Ligang, Grönbeck, Henrik, Escudero‐Escribano, Maria, Stephens, Ifan E. L., Chorkendorff, Ib, Langhammer, Christoph, Wickman, Björn

“…Fuel cells have the potential to play an important role in sustainable energy systems, provided that catalysts with higher activity and stability are…”
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Solvent Effects for Methanol Electrooxidation on Gold by Valter, Mikael, Wickman, Björn, Hellman, Anders

“…A detailed understanding of the methanol electrooxidation reaction mechanism is important for the further development of methanol fuel cells. By modeling the…”
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Extended visible light harvesting and boosted charge carrier dynamics in heterostructured zirconate–FeS2 photocatalysts for efficient solar water splitting by Huerta-Flores, Ali M., Mora-Hernández, J. M., Torres-Martínez, Leticia M., Moctezuma, Edgar, Sánchez-Martínez, D., Zarazúa-Morín, María E., Wickman, Björn

“…Limited visible light absorption, slow charge transference, and high recombination are some of the main problems associated with low efficiency in…”
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Carbon Support Corrosion in PEMFCs Followed by Identical Location Electron Microscopy by Strandberg, Linnéa, Shokhen, Victor, Skoglundh, Magnus, Wickman, Björn

“…Identical location scanning electron microscopy (IL-SEM) and transmission electron microscopy (IL-TEM) are used to follow the degradation of the cathodic…”
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Nanometer-thick films of titanium oxide acting as electrolyte in the polymer electrolyte fuel cell by Ekström, Henrik, Wickman, Björn, Gustavsson, Marie, Hanarp, Per, Eurenius, Lisa, Olsson, Eva, Lindbergh, Göran

“…0–18 nm-thick titanium, zirconium and tantalum oxide films are thermally evaporated on Nafion 117 membranes, and used as thin spacer electrolyte layers between…”
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