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Design of next-generation ceramic fuel cells and real-time characterization with synchrotron X-ray diffraction computed tomography.
Li, Tao; Heenan, Thomas M M; Rabuni, Mohamad F; Wang, Bo; Farandos, Nicholas M; Kelsall, Geoff H; Matras, Dorota; Tan, Chun; Lu, Xuekun; Jacques, Simon D M; Brett, Dan J L; Shearing, Paul R; Di Michiel, Marco; Beale, Andrew M; Vamvakeros, Antonis; Li, Kang.
Afiliación
  • Li T; Barrer Center, Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK.
  • Heenan TMM; Electrochemical Innovation Lab, Department of Chemical Engineering, UCL, London, WC1E 7JE, UK.
  • Rabuni MF; Barrer Center, Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK.
  • Wang B; Department of Chemical Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia.
  • Farandos NM; Barrer Center, Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK.
  • Kelsall GH; Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK.
  • Matras D; Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK.
  • Tan C; Research Complex at Harwell, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Harwell, Didcot, OX11 0FA, UK.
  • Lu X; School of Materials, University of Manchester, Manchester, Lancashire, M13 9PL, UK.
  • Jacques SDM; Electrochemical Innovation Lab, Department of Chemical Engineering, UCL, London, WC1E 7JE, UK.
  • Brett DJL; Electrochemical Innovation Lab, Department of Chemical Engineering, UCL, London, WC1E 7JE, UK.
  • Shearing PR; Finden Limited, Merchant House, 5 East St Helens Street, Abingdon, OX14 5EG, UK.
  • Di Michiel M; Electrochemical Innovation Lab, Department of Chemical Engineering, UCL, London, WC1E 7JE, UK.
  • Beale AM; Electrochemical Innovation Lab, Department of Chemical Engineering, UCL, London, WC1E 7JE, UK.
  • Vamvakeros A; ESRF - The European Synchrotron, 71 Avenue des Martyrs, 38000, Grenoble, France.
  • Li K; Research Complex at Harwell, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Harwell, Didcot, OX11 0FA, UK.
Nat Commun ; 10(1): 1497, 2019 04 02.
Article en En | MEDLINE | ID: mdl-30940801
Ceramic fuel cells offer a clean and efficient means of producing electricity through a variety of fuels. However, miniaturization of cell dimensions for portable device application remains a challenge, as volumetric power densities generated by readily-available planar/tubular ceramic cells are limited. Here, we demonstrate a concept of 'micro-monolithic' ceramic cell design. The mechanical robustness and structural integrity of this design is thoroughly investigated with real-time, synchrotron X-ray diffraction computed tomography, suggesting excellent thermal cycling stability. The successful miniaturization results in an exceptional power density of 1.27 W cm-2 at 800 °C, which is among the highest reported. This holistic design incorporates both mechanical integrity and electrochemical performance, leading to mechanical property enhancement and representing an important step toward commercial development of portable ceramic devices with high volumetric power (>10 W cm-3), fast thermal cycling and marked mechanical reliability.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2019 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2019 Tipo del documento: Article Pais de publicación: Reino Unido