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  1. Article ; Online: Extrinsic hydrophobicity-controlled silver nanoparticles as efficient and stable catalysts for CO

    Ko, Young-Jin / Lim, Chulwan / Jin, Junyoung / Kim, Min Gyu / Lee, Ji Yeong / Seong, Tae-Yeon / Lee, Kwan-Young / Min, Byoung Koun / Choi, Jae-Young / Noh, Taegeun / Hwang, Gyu Weon / Lee, Woong Hee / Oh, Hyung-Suk

    Nature communications

    2024  Volume 15, Issue 1, Page(s) 3356

    Abstract: To realize economically feasible electrochemical ... ...

    Abstract To realize economically feasible electrochemical CO
    Language English
    Publishing date 2024-04-18
    Publishing country England
    Document type Journal Article
    ZDB-ID 2553671-0
    ISSN 2041-1723 ; 2041-1723
    ISSN (online) 2041-1723
    ISSN 2041-1723
    DOI 10.1038/s41467-024-47490-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Book ; Online ; Thesis: Spatiotemporal pattern formation in the electro-oxidation of formic acid on Pt

    Noh, Tae-Geun

    effect of electrode geometry and lowered symmetry

    2005  

    Author's details vorgelegt von Noh, Tae-Geun
    Keywords Musterbildung ; Ameisensäure ; Platin ; Oszillierende Reaktion ; Elektrochemische Oxidation ; Elektrode
    Language English
    Size Online-Ressource
    Document type Book ; Online ; Thesis
    Thesis / German Habilitation thesis Freie Univ., Diss--Berlin, 2005
    Note Dateiformat: zip, Dateien im PDF-Format
    Database Former special subject collection: coastal and deep sea fishing

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    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  3. Article ; Online: Enhancement of methanol tolerance in DMFC cathode: addition of chloride ions.

    Uhm, Sunghyun / Noh, Taegeun / Kim, Yong Dok / Lee, Jaeyoung

    Chemphyschem : a European journal of chemical physics and physical chemistry

    2008  Volume 9, Issue 10, Page(s) 1425–1429

    Abstract: In the operation of a direct methanol fuel cell, the modification by chloride ions on the surface of a Pt cathode can facilitate the extraordinary increase of power performance and long-term stability. Analyzing the results of cyclic voltammograms and ... ...

    Abstract In the operation of a direct methanol fuel cell, the modification by chloride ions on the surface of a Pt cathode can facilitate the extraordinary increase of power performance and long-term stability. Analyzing the results of cyclic voltammograms and electrochemical impedance spectroscopy, the positive shift of Pt oxidation onset potential and the depression of oxidation current are observed, which results from the role of chloride as surface inhibitor. In addition, O(2) temperature-programmed desorption and X-ray photoelectron spectroscopy also reveal that the suppression of Pt surface oxide can be best understood in terms of lower binding of oxygen species by the alteration of electronic state of Pt atoms. Such a reduced surface oxide formation not only provides more efficient proton adsorption sites with high selectivity but also decreases the mixed potential by crossover methanol, resulting in higher performance and stability even under high voltage long-term operation.
    Language English
    Publishing date 2008-07-14
    Publishing country Germany
    Document type Journal Article
    ISSN 1439-7641
    ISSN (online) 1439-7641
    DOI 10.1002/cphc.200800049
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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  4. Article: Edge effects in an electrochemical reaction: HCOOH oxidation on a Pt ribbon.

    Lee, Jaeyoung / Christoph, Johannes / Noh, Taegeun / Eiswirth, Markus / Ertl, Gerhard

    The Journal of chemical physics

    2007  Volume 126, Issue 14, Page(s) 144702

    Abstract: The use of a ribbon-shaped Pt electrode gives rise to edge effects of the interfacial potential, as is predicted from the potential theory in the form of the corresponding reaction-migration equation. They are studied in the bistable region of formic ... ...

    Abstract The use of a ribbon-shaped Pt electrode gives rise to edge effects of the interfacial potential, as is predicted from the potential theory in the form of the corresponding reaction-migration equation. They are studied in the bistable region of formic acid oxidation. Essentially, the edges tend to be more passive than the bulk of the electrode, which also causes a passivation (activation) transition to originate from the edges (center) of the ribbon. The experimental results are in agreement with simulations of the reaction-migration system.
    Language English
    Publishing date 2007-04-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3113-6
    ISSN 1089-7690 ; 0021-9606
    ISSN (online) 1089-7690
    ISSN 0021-9606
    DOI 10.1063/1.2717163
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

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