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  1. Article ; Online: Nanoscale engineering of solid-state materials for boosting hydrogen storage.

    Wang, Yunting / Xue, Yudong / Züttel, Andreas

    Chemical Society reviews

    2024  Volume 53, Issue 2, Page(s) 972–1003

    Abstract: The development of novel materials capable of securely storing hydrogen at high volumetric and gravimetric densities is a requirement for the wide-scale usage of hydrogen as an energy carrier. In recent years, great ... ...

    Abstract The development of novel materials capable of securely storing hydrogen at high volumetric and gravimetric densities is a requirement for the wide-scale usage of hydrogen as an energy carrier. In recent years, great efforts
    Language English
    Publishing date 2024-01-22
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1472875-8
    ISSN 1460-4744 ; 0306-0012
    ISSN (online) 1460-4744
    ISSN 0306-0012
    DOI 10.1039/d3cs00706e
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Direct CO

    Lombardo, Loris / Ko, Youngdon / Zhao, Kun / Yang, Heena / Züttel, Andreas

    Angewandte Chemie (International ed. in English)

    2021  Volume 60, Issue 17, Page(s) 9580–9589

    Abstract: We demonstrate the ability of tetraalkylammonium borohydrides to capture large amounts of ... ...

    Abstract We demonstrate the ability of tetraalkylammonium borohydrides to capture large amounts of CO
    Language English
    Publishing date 2021-03-11
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2011836-3
    ISSN 1521-3773 ; 1433-7851
    ISSN (online) 1521-3773
    ISSN 1433-7851
    DOI 10.1002/anie.202100447
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  3. Article: Hydrogen Storage by Reduction of CO₂ to Synthetic Hydrocarbons.

    Zhao, Kun / Luo, Wen / Gallandat, Noris / Zhang, Jie / Züttel, Andreas

    Chimia

    2021  Volume 75, Issue 3, Page(s) 156–162

    Abstract: The storage of renewable energy is crucial for the substitution of fossil fuels with renewable energy. Hydrogen is the first step in the conversion of electricity from renewable sources to an energy carrier. However, hydrogen is technically and ... ...

    Abstract The storage of renewable energy is crucial for the substitution of fossil fuels with renewable energy. Hydrogen is the first step in the conversion of electricity from renewable sources to an energy carrier. However, hydrogen is technically and economically challenging to store, but can be converted with CO₂ from the atmosphere or oceans to hydrocarbons. The heterogeneously catalyzed gas phase reaction and the electrochemical CO₂ reduction are reviewed and the application of a new type of reactor is described. The mechanism of the gas phase CO₂ reduction on a heterogeneous catalyst is shown in detail and the function of the supported catalyst is explained. Finally, an economic estimation on the cost of synthetic methane is presented which leads to a cost of 0.3 CHF/kWh in CH₄.
    Language English
    Publishing date 2021-03-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1516-7
    ISSN 0009-4293
    ISSN 0009-4293
    DOI 10.2533/chimia.2021.156
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    In stock of ZB MED Bonn / Germany

    Z 4.5: Show issues

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  4. Article ; Online: The Effect of Y Content on Structural and Sorption Properties of A

    Jensen, Emil H / Lombardo, Loris / Girella, Alessandro / Guzik, Matylda N / Züttel, Andreas / Milanese, Chiara / Whitfield, Pamela / Noréus, Dag / Sartori, Sabrina

    Molecules (Basel, Switzerland)

    2023  Volume 28, Issue 9

    Abstract: Metal hydrides are an interesting group of chemical compounds, able to store hydrogen in a reversible, compact and safe manner. Among them, ... ...

    Abstract Metal hydrides are an interesting group of chemical compounds, able to store hydrogen in a reversible, compact and safe manner. Among them, A
    Language English
    Publishing date 2023-04-27
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules28093749
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    In stock of ZB MED Cologne/Königswinter

    Zs.MO 81: Show issues

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  5. Article ; Online: Elucidating the Mechanism of Fe Incorporation in In Situ Synthesized Co-Fe Oxygen-Evolving Nanocatalysts.

    Pham, Thi Ha My / Shen, Tzu-Hsien / Ko, Youngdon / Zhong, Liping / Lombardo, Loris / Luo, Wen / Horike, Satoshi / Tileli, Vasiliki / Züttel, Andreas

    Journal of the American Chemical Society

    2023  Volume 145, Issue 43, Page(s) 23691–23701

    Abstract: Ni- and Co-based catalysts with added Fe demonstrate promising activity in the oxygen evolution reaction (OER) during alkaline water electrolysis, with the presence of Fe in a certain quantity being crucial for their enhanced performance. The mode of ... ...

    Abstract Ni- and Co-based catalysts with added Fe demonstrate promising activity in the oxygen evolution reaction (OER) during alkaline water electrolysis, with the presence of Fe in a certain quantity being crucial for their enhanced performance. The mode of incorporation, local placement, and structure of Fe ions in the host catalyst, as well as their direct/indirect contribution to enhancing the OER activity, remain under active investigation. Herein, the mechanism of Fe incorporation into a Co-based host was investigated using an in situ synthesized Co-Fe catalyst in an alkaline electrolyte containing Co
    Language English
    Publishing date 2023-10-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.3c08099
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4' 55/32: Show issues
    Z 7.3: Show issues

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  6. Article ; Online: Monocarborane cluster as a stable fluorine-free calcium battery electrolyte.

    Kisu, Kazuaki / Kim, Sangryun / Shinohara, Takara / Zhao, Kun / Züttel, Andreas / Orimo, Shin-Ichi

    Scientific reports

    2021  Volume 11, Issue 1, Page(s) 7563

    Abstract: High-energy-density and low-cost calcium (Ca) batteries have been proposed as 'beyond-Li-ion' electrochemical energy storage devices. However, they have seen limited progress due to challenges associated with developing electrolytes showing reductive/ ... ...

    Abstract High-energy-density and low-cost calcium (Ca) batteries have been proposed as 'beyond-Li-ion' electrochemical energy storage devices. However, they have seen limited progress due to challenges associated with developing electrolytes showing reductive/oxidative stabilities and high ionic conductivities. This paper describes a calcium monocarborane cluster salt in a mixed solvent as a Ca-battery electrolyte with high anodic stability (up to 4 V vs. Ca
    Language English
    Publishing date 2021-04-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-021-86938-0
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  7. Article: Near ambient-pressure X-ray photoelectron spectroscopy study of CO2 activation and hydrogenation on indium/copper surface

    Li, Mo / Luo, Wen / Züttel, Andreas

    Journal of catalysis. 2021 Mar., v. 395

    2021  

    Abstract: Indium-based catalysts exhibit excellent performance for CO₂ hydrogenation to methanol, yet their nature and chemical evolution under reaction conditions are still elusive, thus hindering an understanding of their reaction mechanism. In this work, near ... ...

    Abstract Indium-based catalysts exhibit excellent performance for CO₂ hydrogenation to methanol, yet their nature and chemical evolution under reaction conditions are still elusive, thus hindering an understanding of their reaction mechanism. In this work, near ambient-pressure X-ray photoelectron spectroscopy (NAP-XPS) is employed to investigate the chemical properties and the catalytic role of indium/copper model catalysts under CO₂ hydrogenation conditions. We found that the deposition of In on the surface of a Cu foil led to the formation of Cu-In alloy, whereas upon CO₂ exposure, In was partially oxidized to In₂O₃₋ₓ and Cu remains metallic. Due to the presence of In₂O₃₋ₓ, CO₂ was activated on the surface of In/Cu samples mainly in the form of carbonate. In addition, compared with the pure In foil reference, both the fraction of oxygen vacancies and the coverage density of carbonate were higher on the In/Cu samples, indicating the promotion effect of Cu-In alloy in the activation of CO₂. These results reveal the evolution of the active sites of indium/copper catalysts and inspire the design of advanced In-based bimetallic catalysts for CO₂ hydrogenation.
    Keywords X-ray photoelectron spectroscopy ; alloys ; carbon dioxide ; carbonates ; catalytic activity ; foil ; hydrogenation ; indium ; methanol ; oxygen ; reaction mechanisms
    Language English
    Dates of publication 2021-03
    Size p. 315-324.
    Publishing place Elsevier Inc.
    Document type Article
    ZDB-ID 1468993-5
    ISSN 1090-2694 ; 0021-9517
    ISSN (online) 1090-2694
    ISSN 0021-9517
    DOI 10.1016/j.jcat.2021.01.010
    Database NAL-Catalogue (AGRICOLA)

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  8. Article ; Online: Fast real time and quantitative gas analysis method for the investigation of the CO

    Mutschler, Robin / Luo, Wen / Moioli, Emanuele / Züttel, Andreas

    The Review of scientific instruments

    2018  Volume 89, Issue 11, Page(s) 114102

    Abstract: We present a new fast real time and quantitative gas analysis method by means of mass spectrometry (MS), which has approximately an order of magnitude faster sampling rate in comparison with a traditional gas chromatography. The method is presented and ... ...

    Abstract We present a new fast real time and quantitative gas analysis method by means of mass spectrometry (MS), which has approximately an order of magnitude faster sampling rate in comparison with a traditional gas chromatography. The method is presented and discussed on the example of the CO
    Language English
    Publishing date 2018-11-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/1.5047402
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    In stock of ZB MED Bonn / Germany

    Z 4' 46/112: Show issues

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  9. Article ; Online: Hydrogen Storage by Reduction of CO2 to Synthetic Hydrocarbons

    Kun Zhao / Wen Luo / Noris Gallandat / Jie Zhang / Andreas Züttel

    CHIMIA, Vol 75, Iss 3, Pp 156-

    2021  Volume 162

    Abstract: The storage of renewable energy is crucial for the substitution of fossil fuels with renewable energy. Hydrogen is the first step in the conversion of electricity from renewable sources to an energy carrier. However, hydrogen is technically and ... ...

    Abstract The storage of renewable energy is crucial for the substitution of fossil fuels with renewable energy. Hydrogen is the first step in the conversion of electricity from renewable sources to an energy carrier. However, hydrogen is technically and economically challenging to store, but can be converted with CO2 from the atmosphere or oceans to hydrocarbons. The heterogeneously catalyzed gas phase reaction and the electrochemical CO2 reduction are reviewed and the application of a new type of reactor is described. The mechanism of the gas phase CO2 reduction on a heterogeneous catalyst is shown in detail and the function of the supported catalyst is explained. Finally, an economic estimation on the cost of synthetic methane is presented which leads to a cost of 0.3 CHF/kWh in CH4.
    Keywords hydrogen ; methane synthesis ; electrochemical co2 reduction ; renewable energy ; synthetic hydrocarbons ; Chemistry ; QD1-999
    Language German
    Publishing date 2021-03-01T00:00:00Z
    Publisher Swiss Chemical Society
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: High-Throughput Sizing, Counting, and Elemental Analysis of Anisotropic Multimetallic Nanoparticles with Single-Particle Inductively Coupled Plasma Mass Spectrometry.

    Koolen, Cedric David / Torrent, Laura / Agarwal, Ayush / Meili-Borovinskaya, Olga / Gasilova, Natalia / Li, Mo / Luo, Wen / Züttel, Andreas

    ACS nano

    2022  Volume 16, Issue 8, Page(s) 11968–11978

    Abstract: Nanoparticles (NPs) have wide applications in physical and chemical processes, and their individual properties (e.g., shape, size, and composition) and ensemble properties (e.g., distribution and homogeneity) can significantly affect the performance. ... ...

    Abstract Nanoparticles (NPs) have wide applications in physical and chemical processes, and their individual properties (e.g., shape, size, and composition) and ensemble properties (e.g., distribution and homogeneity) can significantly affect the performance. However, the extrapolation of information from a single particle to the ensemble remains a challenge due to the lack of suitable techniques. Herein, we report a high-throughput single-particle inductively coupled plasma mass spectrometry (SP-ICP-MS)-based protocol to simultaneously determine the size, count, and elemental makeup of several thousands of (an)isotropic NPs independent of composition, size, shape, and dispersing medium with atomistic precision in a matter of minutes. By introducing highly diluted nebulized aqueous dispersions of NPs directly into the plasma torch of an ICP-MS instrument, individual NPs are atomized and ionized, resulting in ion plumes that can be registered by the mass analyzer. Our proposed protocol includes a phase transfer step for NPs synthesized in organic media, which are otherwise incompatible with ICP-MS instruments, and a modeling tool that extends the measurement of particle morphologies beyond spherical to include cubes, truncated octahedra, and tetrahedra, exemplified by anisotropic Cu NPs. Finally, we demonstrate the versatility of our method by studying the doping of bulk-dilute (<1 at. %) CuAg nanosurface alloys as well as the ease with which ensemble composition distributions of multimetallic NPs (i.e., CuPd and CuPdAg) can be obtained providing different insights in the chemistry of nanomaterials. We believe our combined protocol could deepen the understanding of macroscopic phenomena involving nanoscale structures by bringing about a statistics renaissance in research areas including, among others, materials science, materials chemistry, (nano)physics, (nano)photonics, catalysis, and electrochemistry.
    Language English
    Publishing date 2022-07-25
    Publishing country United States
    Document type Journal Article
    ISSN 1936-086X
    ISSN (online) 1936-086X
    DOI 10.1021/acsnano.2c01840
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