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  • Journal article
    Boldrin P, Ruiz Trejo E, Mermelstein J, Bermudez Menendez J, Ramirez Reina T, Brandon Net al., 2016,

    Strategies for carbon and sulfur tolerant solid oxide fuel cell materials, incorporating lessons from heterogeneous catalysis

    , Chemical Reviews, Vol: 116, Pages: 13633-13684, ISSN: 1520-6890

    Solid oxide fuel cells (SOFCs) are a rapidly emerging energy technology for a low carbon world, providing high efficiency, potential to use carbonaceous fuels and compatibility with carbon capture and storage. However, current state-of-the-art materials have low tolerance to sulfur, a common contaminant of many fuels, and are vulnerable to deactivation due to carbon deposition when using carbon-containing compounds. In this review we first study the theoretical basis behind carbon and sulfur poisoning, before examining the strategies towards carbon and sulfur tolerance used so far in the SOFC literature. We then study the more extensive relevant heterogeneous catalysis literature for strategies and materials which could be incorporated into carbon and sulfur tolerant fuel cells.

  • Conference paper
    Millan M, Lorente E, Boldrin P, Brandon Net al., 2016,

    Integration of gasification and fuel cells: Interaction between the anode and contaminants in the syngas

    Fouling due to carbon deposition on the fuel cell anode reduces the performance of the cell. • The addition of steam above S/C of 1 was found to reduce carbon deposition from tars but not fully suppress coke formation. • A combination of high S/C=ratio and current density may effectively inhibit carbon formation, maintaining cell performance. • Benzene and toluene represent a "worst-case scenario" as tar models and light fractions are more likely to produce carbon deposits.

  • Conference paper
    Lomberg M, Boldrin P, Tariq F, Offer G, Wu B, Brandon NPet al., 2015,

    Additive manufacturing for solid oxide cell electrode fabrication

    , ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, Publisher: Electrochemical Society, Pages: 2119-2127, ISSN: 1938-6737

    Additive manufacturing can potentially offer a highly-defined electrode microstructure, as well as fast and reproducible electrode fabrication. Selective laser sintering is an additive manufacturing technique in which three-dimensional structures are created by bonding subsequent layers of powder using a laser. Although selective laser sintering can be applied to a wide range of materials, including metals and ceramics, the scientific and technical aspects of the manufacturing parameters and their impact on microstructural evolution during the process are not well understood. In the present study, a novel approach for electrode fabrication using selective laser sintering was evaluated by conducting a proof of concept study. A Ni-patterned fuel electrode was laser sintered on an yttria-stabilized zirconia substrate. The optimization process of laser parameters (laser sintering rate and laser power) and the electrochemical results of a full cell with a laser sintered electrode are presented. The challenges and prospects of using selective laser sintering for solid oxide cell fabrication are discussed.

  • Conference paper
    Ruiz-Trejo E, Boldrin P, Lubin A, Tariq F, Brandon N, Fearn S, Chater R, Atkinson A, Tighe C, Darr Jet al., 2013,

    Silver-ceria composites for oxygen separation from air

    , 224th Electrochemical society meeting
  • Conference paper
    Weng X, Boldrin P, Zhang Z, Darr JAet al., 2008,

    Continuous Hydrothermal Flow Syntheses of Nanosized Energy Materials Used in Solid Oxide Fuel Cells

    , Clean Technology and Sustainable Industries Conference and Trade Show, Publisher: CRC PRESS-TAYLOR & FRANCIS GROUP, Pages: 261-264
  • Journal article
    Weng X, Boldrin P, Abrahams I, Skinner SJ, Darr JAet al., 2007,

    Direct Syntheses of Mixed Ion and Electronic Conductors La4Ni3O10 and La3Ni2O7 from Nanosized Coprecipitates.

    , ChemInform, Vol: 38, ISSN: 0931-7597

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