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Chemical solution deposition of thin films for protonic ceramic fuel cells

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Author

Summary, in English

Chemical solution deposition (CSD) offers the opportunity to fabricate very thin electrolyte films at lower temperatures than traditional powder-based methods. CSD methods have not been used much in production of protonic ceramic fuel cells (PCFC) until now. In this contribution we describe thin film deposition of the two proton-conducting materials BaZr0.9Y0.1O3 (-) (delta) (BZY) and La28 - xW4 + xO54 + (delta) (LWO) by spin coating. BZY films deposited on single-crystalline MgO grew epitaxially on the substrate. On a realistic PCFC cermet anode, 800 nm thick BZY films could be fabricated with a columnar structure which is promising to circumvent the low conductivity at grain boundaries of BZY. LWO films with some porosity were deposited on platinized Si from an aqueous solution. (C) 2013 Elsevier B.V. All rights reserved.

Publishing year

2014

Language

English

Pages

852-855

Publication/Series

Solid State Ionics

Volume

262

Document type

Journal article

Publisher

Elsevier

Topic

  • Chemical Sciences

Keywords

  • Spin coating
  • Thin film
  • Proton conductors
  • TEM
  • BZY
  • Lanthanum
  • tungstate

Status

Published

ISBN/ISSN/Other

  • ISSN: 0167-2738