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Catalytic nickel generation

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Catalytic nickel generation

Nov 16, 2021 Catalytic enantioselective reductive domino alkyl arylation of acrylates via nickel/photoredox catalysis ... radical generation by SET from nickel to the alkyl bromide, Giese addition of the alkyl

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  • EP1539348A1 - Nickel-catalyst for syngas generation by
    EP1539348A1 - Nickel-catalyst for syngas generation by

    A calcium promoted, aluminum compound supported nickel reforming catalyst for use in a hydrocarbon feed stream containing steam, CO2, CH4, and CO at levels such that the ratio of the H2O/CH4 is less than 0.8 and the ratio of the CO2/CH4 is greater than 0.5 and the feed stream further containing high quantities of sulfur compounds up to about 20 ppm

  • Electrochemically induced nickel catalysis for oxygenation
    Electrochemically induced nickel catalysis for oxygenation

    Jan 11, 2021 Nickel has been found in some metalloproteins that execute catalytic aerobic oxygenation reactions in which nickel–dioxygen species are proposed as the key catalytic species. Thus, various

  • Direct C(sp 3)-H Cross Coupling Enabled by Catalytic
    Direct C(sp 3)-H Cross Coupling Enabled by Catalytic

    Here we report the development of a C(sp 3)-H cross-coupling platform enabled by the catalytic generation of chlorine radicals by nickel and photoredox catalysis.Aryl chlorides serve as both cross-coupling partners and the chlorine radical source for the α-oxy C(sp 3)-H arylation of cyclic and acyclic ethers.Mechanistic studies suggest that photolysis of a Ni(III) aryl chloride

  • Recent Progress and Viability of PGM-Free Catalysts for
    Recent Progress and Viability of PGM-Free Catalysts for

    15 hours ago Several groups of catalytic materials can be distinguished as having metallic nickel as the main component. Materials like metal-doped-sponge (Raney) nickel catalysts, electrochemically deposited bulk double- and ternary-metal catalysts, highly dispersed supported Ni-based catalysts, and single-crystal Ni facets have been suggested and studied

  • Effects of nickel foam dimensions on catalytic activity of
    Effects of nickel foam dimensions on catalytic activity of

    Mar 27, 2007 Effects of nickel foam dimensions on catalytic activity of supported Co–Mn–B nanocomposites for hydrogen generation from stabilized borohydride solutions. Mario Mitov 1, Rashko Rashkov 2, Nikolay Atanassov 2 & Andreas Zielonka 3 Journal of Materials Science volume 42, pages 3367–3372 (2007)Cite this article

  • Organo-nickel catalyst and catalytic olefin process
    Organo-nickel catalyst and catalytic olefin process

    CA-2104840-A1 chemical patent summary

  • High Nickel and No Cobalt─The Pursuit of Next-Generation
    High Nickel and No Cobalt─The Pursuit of Next-Generation

    14 hours ago The search for next-generation cathode materials has shifted to high-nickel and cobalt-free cathodes to meet these requirements. In this review, we distinctly point out the shortcomings of cobalt in stabilizing layered structures and systematically summarize the recent efforts to eliminate cobalt and achieve higher nickel content in layered

  • Generation of Organozinc Reagents by Nickel Diazadiene
    Generation of Organozinc Reagents by Nickel Diazadiene

    Oct 07, 2019 Generation of Organozinc Reagents by Nickel Diazadiene Complex Catalyzed Zinc Insertion into Aryl Sulfonates. Philippe Klein, Philippe Klein. ... Catalytic zincation in DMF or NMP solution at room temperature now provides arylzinc sulfonates, which undergo typical catalytic cross-coupling or electrophilic substitution reactions

  • Development of a new generation reforming catalyst
    Development of a new generation reforming catalyst

    Catalytic performance and carbon deposition behavior in CO 2 reforming and CO 2-steam reforming of methane over nickel-magnesia solid solution with or without Ca ions added, supported Ni/MgO, and commercial steam reforming catalysts are discussed.No carbon deposition in CO 2 reforming of methane was observed on Ni 0.03 Mg 0.97 O at 0.1 MPa, but

  • Ni12P5 nanoparticles as an efficient catalyst for hydrogen
    Ni12P5 nanoparticles as an efficient catalyst for hydrogen

    The exploitation of a low-cost catalyst is desirable for hydrogen generation from electrolysis or photoelectrolysis. In this study we have demonstrated that nickel phosphide (Ni12P5) nanoparticles have efficient and stable catalytic activity for the hydrogen evolution reaction. The catalytic perform

  • Nickel(ii) complexes based on dithiolate–polyamine binary
    Nickel(ii) complexes based on dithiolate–polyamine binary

    Nickel(II) complexes based on dithiolate–polyamine binary ligand systems: crystal structures, hirshfeld surface analysis, theoretical study, and catalytic activity study on photocatalytic hydrogen generation

  • (PDF) Influence of the Oxide Content in the Catalytic
    (PDF) Influence of the Oxide Content in the Catalytic

    Jun 26, 2017 Influence of the Oxide Content in the Catalytic Power of Raney Nickel in Hydrogen Generation, Analytical Letters, 50:15, 2386-2401, DOI: 10.1080/00032719.2017.1300806 To link to this article: http

  • In situ generation of nickel/carbon catalysts by partial
    In situ generation of nickel/carbon catalysts by partial

    Request PDF | In situ generation of nickel/carbon catalysts by partial gasification of coal char and application for methane decomposition | Catalytic methane decomposition (CMD) has a

  • Nickel-Based Catalyst - an overview | ScienceDirect
    Nickel-Based Catalyst - an overview | ScienceDirect

    Nickel-Based Catalyst. Some nickel based catalysts [2–9], dolomite [10] and olivine [11] catalysts have been found to be active for tar cracking in the primary reactor within the temperature range of 1073-1173K for dolomite and olivine, and 973-1073K for nickel based catalysts. From: Studies in Surface Science and Catalysis, 2004. Related terms:

  • Nickel- and cobalt-based catalysts for hydrogen
    Nickel- and cobalt-based catalysts for hydrogen

    May 18, 2006 Borohydrides, a group of compounds with large hydrogen contents, can generate hydrogen readily by their hydrolysis reaction. In this study catalysts based on nickel and cobalt were developed to accelerate the hydrolysis reaction for hydrogen generation. Catalysts in four forms were tested for each metal: fine metal powder, metal salt, metal boride and Raney metal

  • PVP-stabilized nickel(0) nanoparticles as catalyst in
    PVP-stabilized nickel(0) nanoparticles as catalyst in

    Jan 01, 2015 Herein, we report (i) the in-situ generation of nickel(0) nanoparticles stabilized by poly(N-vinyl-2-pyrrolidone) (PVP) from the reduction of nickel(II) ions by hydrazine borane in methanol solution, and (ii) their use as catalyst in hydrogen generation from the methanolysis of hydrazine borane and ammonia borane, separately. PVP-stabilized nickel(0) nanoparticles

  • Mn doped CoP/Ni foam catalyst for hydrogen
    Mn doped CoP/Ni foam catalyst for hydrogen

    Nanostructured Mn-doped CoP/NF catalyst on nickel foam was synthesized by electrodeposition. • It exhibits an outstanding catalytic performance with the H 2 generation rate of 1.9 L min −1 g −1. • The catalyst exhibited superior activation energy of 25.8 kJ mol −1

  • Generation of Organozinc Reagents by Nickel
    Generation of Organozinc Reagents by Nickel

    & Nickel Catalysis Generation of Organozinc Reagents by Nickel Diazadiene Complex Catalyzed Zinc Insertion into Aryl Sulfonates Philippe Klein, [a]Vivien Denise Lechner, Tanja Schimmel,[a, b] and Lukas Hintermann*[a] Abstract: The generation of arylzinc reagents (ArZnX) by direct insertion of zinc into the C X bond of ArX electro

  • Contribution of Oxide Supports in Nickel-Based
    Contribution of Oxide Supports in Nickel-Based

    Nov 04, 2021 The composite catalysts were prepared by impregnating the supports with Ni (5%) and followed by calcination. The zeolite supported catalysts exhibited more reducibility and basicity compared to the alumina supported catalysts, this was assessed with temperature programmed reduction using hydrogen and desorption using carbon dioxide

  • Formation and Functioning of Nickel Bis
    Formation and Functioning of Nickel Bis

    Oct 07, 2021 It turns out that catalytically active sites formed in these systems are deposited on nickel-containing nanoparticles generated via the interaction of the starting components directly in the reaction system

  • Nickel phosphide catalysts for hydrogen generation
    Nickel phosphide catalysts for hydrogen generation

    Here, we describe the synthesis of various pure phases of nickel phosphide and describe the growth mechanisms. A comparative study illustrates the phases’ catalytic activity towards hydrogen production through electrochemical water reduction as well as hydrogen retrieval by hydrolysis of hydrogen storage materials (ammonia-borane and NaBH 4)

  • Porous carbon-encapsulated Ni nanocatalysts for selective
    Porous carbon-encapsulated Ni nanocatalysts for selective

    Jan 03, 2022 Many nickel-based catalysts have been reported to be pretreated in H 2 before use, so as to reduce the nickel species from the oxidation state to the metallic state with catalytic activity [28, 35,36,37]. In addition, nickel nanoparticles have high specific surface energy and are prone to aggregation, resulting in the reduction of catalytic

  • Nickel Catalysis in Organic Synthesis: Methods and
    Nickel Catalysis in Organic Synthesis: Methods and

    A comprehensive reference to nickel chemistry for every scientist working with organometallic catalysts Written by one of the world?s leading reseachers in the field, Nickel Catalysis in Organic Synthesis presents a comprehensive review of the high potential of modern nickel catalysis and its application in synthesis. Structured in a clear and assessible manner, the

  • One Pot Synthesis of Nickel Nanoparticles Stabilized on
    One Pot Synthesis of Nickel Nanoparticles Stabilized on

    Jul 07, 2015 The gels with different amounts of nickel (17.2 and 8.6 wt% Ni) and bPEI (bPEI/GO = 4) were synthesized applying a similar procedure. Catalytic Test. To measure the hydrogen generation capacity, the catalyst was dispersed in 5 ml water and the temperature was controlled. The reactions started instantaneously by adding NaBH 4

  • Ni(I)-Hydride Catalyst for Hydrosilylation of Carbon
    Ni(I)-Hydride Catalyst for Hydrosilylation of Carbon

    Apr 11, 2018 Abstract: Nickel hydride complexes, defined herein as any molecules bearing a nickel hydrogen bond, are crucial intermediates in numerous nickel-catalyzed reactions. Some of them are also synthetic models of nickel-containing enzymes such as [NiFe]-hydrogenase. The

  • Catalytic Generator - Zero Emissions Capable | Cosworth
    Catalytic Generator - Zero Emissions Capable | Cosworth

    CAT GEN – PRODUCT INFORMATION. Our Catalytic Generator, known as the ‘Cat Gen’, is a 35kW zero emission capable, compact, and lightweight generator suitable for multiple sectors. For more information, download our product information sheet

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