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  1. Article

    Open Access

    Crystal-facet-dependent surface transformation dictates the oxygen evolution reaction activity in lanthanum nickelate

    Electrocatalysts are the cornerstone in the transition to sustainable energy technologies and chemical processes. Surface transformations under operation conditions dictate the activity and stability. However,...

    Achim Füngerlings, Marcus Wohlgemuth, Denis Antipin in Nature Communications (2023)

  2. Article

    Open Access

    Cooperative Fe sites on transition metal (oxy)hydroxides drive high oxygen evolution activity in base

    Fe-containing transition-metal (oxy)hydroxides are highly active oxygen-evolution reaction (OER) electrocatalysts in alkaline media and ubiquitously form across many materials systems. The complexity and dynam...

    Yingqing Ou, Liam P. Twight, Bipasa Samanta, Lu Liu, Santu Biswas in Nature Communications (2023)

  3. Article

    Open Access

    Reporting activities for the oxygen evolution reaction

    The oxygen evolution reaction (OER) is a key enabler of sustainable chemical energy storage. Here, the author assesses the current status of protocols for benchmarking the OER in materials- and device-centered...

    Marcel Risch in Communications Chemistry (2023)

  4. No Access

    Article

    Greater than the sum of its parts

    The performance of electrocatalysts depends on material properties that may differ spatially even within a single particle. Now, a combination of operando microscopy techniques is used to correlate morphology ...

    Marcel Risch in Nature Energy (2021)

  5. Article

    Open Access

    Dynamic observation of manganese adatom mobility at perovskite oxide catalyst interfaces with water

    Real time in-situ microscopy imaging of surface structure and atom dynamics of heterogeneous catalysts is an important step for understanding reaction mechanisms. Here, using in-situ environmental transmission...

    Gaurav Lole, Vladimir Roddatis, Ulrich Ross, Marcel Risch in Communications Materials (2020)

  6. No Access

    Reference Work Entry In depth

    Oxygen Evolution Reaction

    Marcel Risch, ** Suntivich, Yang Shao-Horn in Encyclopedia of Applied Electrochemistry (2014)

  7. No Access

    Article

    Double perovskites as a family of highly active catalysts for oxygen evolution in alkaline solution

    The electronic structure of transition metal oxides governs the catalysis of many central reactions for energy storage applications such as oxygen electrocatalysis. Here we exploit the versatility of the perov...

    Alexis Grimaud, Kevin J. May, Christopher E. Carlton, Yueh-Lin Lee in Nature Communications (2013)

  8. No Access

    Chapter and Conference Paper

    The Structure of a Water-oxidizing Cobalt Oxide Film and Comparison to the Photosynthetic Manganese Complex

    In photosynthesis, water is oxidized at a protein-bound Mn4Ca complex. Artificial water-oxidation catalysts that are similarly efficient and based on inexpensive and abundant materials are of great interest. A re...

    Marcel Risch, Katharina Klingan in Photosynthesis Research for Food, Fuel and… (2013)

  9. No Access

    Article

    A marketplace and its market mechanism for trading commoditized computing resources

    This paper presents the design and implementation of the GridEcon Marketplace. In addition to supporting a market mechanism for trading computing resources on a pay-per-use basis, this marketplace also provide...

    Jörn Altmann, Costas Courcoubetis in annals of telecommunications - annales des… (2010)

  10. Chapter and Conference Paper

    Using SLA Map** to Increase Market Liquidity

    Research into computing resource markets has mainly considered the allocative fairness of market mechanisms. It has not been discussed how a large variety of resource types influences the market liquidity. Mar...

    Marcel Risch, Ivona Brandic, Jörn Altmann in Service-Oriented Computing. ICSOC/ServiceW… (2010)

  11. No Access

    Chapter and Conference Paper

    Reservation Schemes for Grid Markets

    Grid markets today have very limited capabilities with regards to reservations. However, it is vital that customers are given the ability to purchase resources far in advance of the actual usage which necessit...

    Marcel Risch in Digital Business (2010)

  12. No Access

    Chapter and Conference Paper

    Enabling Open Cloud Markets Through WS-Agreement Extensions

    Research into computing resource markets has mainly considered the question of which market mechanisms provide a fair resource allocation. However, while develo** such markets, the definition of the unit of ...

    Marcel Risch, Jörn Altmann in Grids and Service-Oriented Architectures f… (2010)

  13. No Access

    Chapter and Conference Paper

    Capacity Planning in Economic Grid Markets

    Due to the few computing resource planning options currently available in Grid computing, capacity planning, an old discipline for analyzing resource purchases, is simple to perform. However, once a commercial...

    Marcel Risch, Jörn Altmann in Advances in Grid and Pervasive Computing (2009)

  14. No Access

    Chapter and Conference Paper

    The GridEcon Platform: A Business Scenario Testbed for Commercial Cloud Services

    Within this paper, we present the GridEcon Platform, a testbed for designing and evaluating economics-aware services in a commercial Cloud computing setting. The Platform is based on the idea that the exact wo...

    Marcel Risch, Jörn Altmann, Li Guo, Alan Fleming in Grid Economics and Business Models (2009)

  15. No Access

    Chapter and Conference Paper

    Cost Analysis of Current Grids and Its Implications for Future Grid Markets

    Commercial Grid markets have been a topic of research for many years. Many claims about the advantages of trading computing resources on markets have been made. However, due to a lack of Grid computing offerin...

    Marcel Risch, Jörn Altmann in Grid Economics and Business Models (2008)

  16. No Access

    Chapter and Conference Paper

    GridEcon: A Market Place for Computing Resources

    This paper discusses the rationales for a Grid market and, in particular, the introduction of a market place for trading commoditized computing resources. The market place proposed makes computing resources fr...

    Jörn Altmann, Costas Courcoubetis in Grid Economics and Business Models (2008)