Search Results - "Risch, Marcel"

Reporting activities for the oxygen evolution reaction by Risch, Marcel

“…The oxygen evolution reaction (OER) is a key enabler of sustainable chemical energy storage. Here, the author assesses the current status of protocols for…”
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Greater than the sum of its parts by Risch, Marcel

“…The performance of electrocatalysts depends on material properties that may differ spatially even within a single particle. Now, a combination of operando…”
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Calculation of the Tafel slope and reaction order of the oxygen evolution reaction between pH 12 and pH 14 for the adsorbate mechanism by Antipin, Denis, Risch, Marcel

“…Despite numerous experimental and theoretical studies devoted to the oxygen evolution reaction (OER), the mechanism of the OER on transition metal oxides…”
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The Mechanism of Water Oxidation: From Electrolysis via Homogeneous to Biological Catalysis by Dau, Holger, Limberg, Christian, Reier, Tobias, Risch, Marcel, Roggan, Stefan, Strasser, Peter

“…Striving for new solar fuels, the water oxidation reaction currently is considered to be a bottleneck, hampering progress in the development of applicable…”
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pH dependence of OER activity of oxides: Current and future perspectives by Giordano, Livia, Han, Binghong, Risch, Marcel, Hong, Wesley T., Rao, Reshma R., Stoerzinger, Kelsey A., Shao-Horn, Yang

“…•We show the advantage of the RHE reference in pH partial reaction order studies.•We discuss possible pH-dependent reaction steps for the oxygen evolution…”
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Trends of epitaxial perovskite oxide films catalyzing the oxygen evolution reaction in alkaline media by Antipin, Denis, Risch, Marcel

“…The oxygen evolution reaction (OER) is considered a key reaction for electrochemical energy conversion but slow kinetics hamper application in electrolyzers,…”
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Redox Processes of Manganese Oxide in Catalyzing Oxygen Evolution and Reduction: An in Situ Soft X‑ray Absorption Spectroscopy Study by Risch, Marcel, Stoerzinger, Kelsey A, Han, Binghong, Regier, Tom Z, Peak, Derek, Sayed, Sayed Youssef, Wei, Chao, Xu, Zhichuan, Shao-Horn, Yang

“…Manganese oxides with rich redox chemistry have been widely used in (electro)­catalysis in applications of energy and environmental consequence. While they are…”
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Influence of Oxygen Evolution during Water Oxidation on the Surface of Perovskite Oxide Catalysts by May, Kevin J, Carlton, Christopher E, Stoerzinger, Kelsey A, Risch, Marcel, Suntivich, Jin, Lee, Yueh-Lin, Grimaud, Alexis, Shao-Horn, Yang

“…Perovskites such as Ba0.5Sr0.5Co0.8Fe0.2O3−δ (BSCF82) can be highly active for the oxygen evolution reaction (OER) upon water oxidation in alkaline solution…”
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Cooperative Fe sites on transition metal (oxy)hydroxides drive high oxygen evolution activity in base by Ou, Yingqing, Twight, Liam P., Samanta, Bipasa, Liu, Lu, Biswas, Santu, Fehrs, Jessica L., Sagui, Nicole A., Villalobos, Javier, Morales-Santelices, Joaquín, Antipin, Denis, Risch, Marcel, Toroker, Maytal Caspary, Boettcher, Shannon W.

“…Fe-containing transition-metal (oxy)hydroxides are highly active oxygen-evolution reaction (OER) electrocatalysts in alkaline media and ubiquitously form…”
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Rotating Ring–Disk Electrode Study of Oxygen Evolution at a Perovskite Surface: Correlating Activity to Manganese Concentration by Scholz, Julius, Risch, Marcel, Stoerzinger, Kelsey A, Wartner, Garlef, Shao-Horn, Yang, Jooss, Christian

“…Transition-metal oxides with the perovskite structure are promising catalysts to promote the kinetics of the oxygen evolution reaction (OER). To improve the…”
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Water Oxidation by Amorphous Cobalt-Based Oxides: Volume Activity and Proton Transfer to Electrolyte Bases by Klingan, Katharina, Ringleb, Franziska, Zaharieva, Ivelina, Heidkamp, Jonathan, Chernev, Petko, Gonzalez-Flores, Diego, Risch, Marcel, Fischer, Anna, Dau, Holger

“…Water oxidation in the neutral pH regime catalyzed by amorphous transition‐metal oxides is of high interest in energy science. Crucial determinants of…”
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Structural Changes of Cobalt-Based Perovskites upon Water Oxidation Investigated by EXAFS by Risch, Marcel, Grimaud, Alexis, May, Kevin J, Stoerzinger, Kelsey A, Chen, Tina J, Mansour, Azzam N, Shao-Horn, Yang

“…While many perovskites remain crystalline during the oxygen evolution reaction (OER) in alkaline media, some highly active perovskites become amorphous. We…”
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The Nature of Lithium Battery Materials under Oxygen Evolution Reaction Conditions by Lee, Seung Woo, Carlton, Christopher, Risch, Marcel, Surendranath, Yogesh, Chen, Shuo, Furutsuki, Sho, Yamada, Atsuo, Nocera, Daniel G, Shao-Horn, Yang

“…Transition-metal oxide and phosphate materials, commonly used for lithium battery devices, are active as oxygen evolution reaction (OER) catalysts under…”
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Structure, Bonding, and Catalytic Activity of Monodisperse, Transition-Metal-Substituted CeO2 Nanoparticles by Elias, Joseph S., Risch, Marcel, Giordano, Livia, Mansour, Azzam N., Shao-Horn, Yang

“…We present a simple and generalizable synthetic route toward phase-pure, monodisperse transition-metal-substituted ceria nanoparticles (M0.1Ce0.9O2–x , M = Mn,…”
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Oxygen Evolution Activity and Stability of Ba6Mn5O16, Sr4Mn2CoO9, and Sr6Co5O15: The Influence of Transition Metal Coordination by Grimaud, Alexis, Carlton, Christopher E, Risch, Marcel, Hong, Wesley T, May, Kevin J, Shao-Horn, Yang

“…Several coordination motifs of cobalt and manganese ions were obtained in various transition metal oxides, which enabled different oxidation and spin states…”
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Water Oxidation by Electrodeposited Cobalt Oxides-Role of Anions and Redox-Inert Cations in Structure and Function of the Amorphous Catalyst by Risch, Marcel, Klingan, Katharina, Ringleb, Franziska, Chernev, Petko, Zaharieva, Ivelina, Fischer, Anna, Dau, Holger

“…For the production of nonfossil fuels, water oxidation by inexpensive cobalt‐based catalysts is of high interest. Films for the electrocatalysis of water…”
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Crystal-facet-dependent surface transformation dictates the oxygen evolution reaction activity in lanthanum nickelate by Füngerlings, Achim, Wohlgemuth, Marcus, Antipin, Denis, van der Minne, Emma, Kiens, Ellen Marijn, Villalobos, Javier, Risch, Marcel, Gunkel, Felix, Pentcheva, Rossitza, Baeumer, Christoph

“…Electrocatalysts are the cornerstone in the transition to sustainable energy technologies and chemical processes. Surface transformations under operation…”
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Role of LiCoO2 Surface Terminations in Oxygen Reduction and Evolution Kinetics by Han, Binghong, Qian, Danna, Risch, Marcel, Chen, Hailong, Chi, Miaofang, Meng, Ying Shirley, Shao-Horn, Yang

“…Oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) activities of LiCoO2 nanorods with sizes in the range from 9 to 40 nm were studied in…”
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Double perovskites as a family of highly active catalysts for oxygen evolution in alkaline solution by Grimaud, Alexis, May, Kevin J., Carlton, Christopher E., Lee, Yueh-Lin, Risch, Marcel, Hong, Wesley T., Zhou, Jigang, Shao-Horn, Yang

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Oxygen Evolution at Manganite Perovskite Ruddlesden-Popper Type Particles: Trends of Activity on Structure, Valence and Covalence by Ebrahimizadeh Abrishami, Majid, Risch, Marcel, Scholz, Julius, Roddatis, Vladimir, Osterthun, Norbert, Jooss, Christian

“…An improved understanding of the correlation between the electronic properties of Mn-O bonds, activity and stability of electro-catalysts for the oxygen…”
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