Atomic layer deposition of thin-film ceramic electrolytes for high-performance fuel cells

Joon Hyung Shim, Sangkyun Kang, Suk Won Cha, Wonyoung Lee, Young Beom Kim, Joong Sun Park, Turgut M. Gür, Fritz B. Prinz, Cheng Chieh Chao, Jihwan An

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

This feature article provides a progress review of atomic layer deposition (ALD) for fabrication of oxide-ion as well as proton conducting ceramic fuel cells. A comprehensive analysis of structural, chemical, surface kinetics, and electrochemical characterization results of ALD membranes is also presented. ALD is a surface reaction limited method of depositing conformal, high quality, pinhole-free, uniform thickness nanofilms onto planar or three-dimensional structures. Deposition by one atomic layer at a time also affords unprecedented opportunities to engineer surface termination, to form compositionally graded structures or graded doping, and to synthesize metastable phases that cannot be realized otherwise. Indeed, thin ceramic electrolyte membranes made by ALD exhibit enhanced surface exchange kinetics, reduced ohmic losses, and superior fuel cell performance as high as 1.34 W cm-2 at 500 °C. More importantly, ALD offers the opportunity to design and engineer surface structures at the atomic scale targeting improved performance of not only ceramic fuel cells, but also electrochemical sensors, electrolysers and pumps.

Original languageEnglish
Pages (from-to)12695-12705
Number of pages11
JournalJournal of Materials Chemistry A
Volume1
Issue number41
DOIs
Publication statusPublished - 2013 Nov 7

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Atomic layer deposition
Electrolytes
Fuel cells
Thin films
Membranes
Engineers
Electrochemical sensors
Kinetics
Metastable phases
Surface reactions
Surface structure
Oxides
Protons
Ion exchange
Doping (additives)
Pumps
Ions
Fabrication

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Atomic layer deposition of thin-film ceramic electrolytes for high-performance fuel cells. / Shim, Joon Hyung; Kang, Sangkyun; Cha, Suk Won; Lee, Wonyoung; Kim, Young Beom; Park, Joong Sun; Gür, Turgut M.; Prinz, Fritz B.; Chao, Cheng Chieh; An, Jihwan.

In: Journal of Materials Chemistry A, Vol. 1, No. 41, 07.11.2013, p. 12695-12705.

Research output: Contribution to journalArticle

Shim, JH, Kang, S, Cha, SW, Lee, W, Kim, YB, Park, JS, Gür, TM, Prinz, FB, Chao, CC & An, J 2013, 'Atomic layer deposition of thin-film ceramic electrolytes for high-performance fuel cells', Journal of Materials Chemistry A, vol. 1, no. 41, pp. 12695-12705. https://doi.org/10.1039/c3ta11399j
Shim, Joon Hyung ; Kang, Sangkyun ; Cha, Suk Won ; Lee, Wonyoung ; Kim, Young Beom ; Park, Joong Sun ; Gür, Turgut M. ; Prinz, Fritz B. ; Chao, Cheng Chieh ; An, Jihwan. / Atomic layer deposition of thin-film ceramic electrolytes for high-performance fuel cells. In: Journal of Materials Chemistry A. 2013 ; Vol. 1, No. 41. pp. 12695-12705.
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