Evolution of Copper Electrodes Fabricated by Electroless Plating on BaZr0.7Ce0.2Y0.1O3-..delta.. Proton-Conducting Ceramic Membrane: From Deposition to Testing in Methane

Steven Harvey, Chun Sheng Jiang, Mowafak Al-Jassim, Sandrine Ricote, David Dierks, Neil Patki, Anthony Manerbino, Brian Gorman

Research output: Contribution to journalArticlepeer-review

2 Scopus Citations

Abstract

We investigated copper electrodes deposited onto a BaZr0.7Ce0.2Y0.1O3- δ (BZCY72) proton-conducting membrane via a novel electroless plating method, which resulted in significantly improved performance when compared to a traditional painted copper electrode. The increased performance was examined with a multiscale multitechnique characterization method including time-of-flight secondary-ion mass spectroscopy (TOF-SIMS), transmission electron microscopy (TEM), scanning spreading-resistance microscopy (SSRM), and atom-probe tomography (APT). Through this method, we observed that a palladium catalyst layer alloys with the copper electrode. We also explored the nature of a non-coking-induced carbon-rich phase that may be involved with the improved performance of the electrode.

Original languageAmerican English
Pages (from-to)261-273
Number of pages13
JournalCeramics
Volume1
Issue number2
DOIs
StatePublished - Dec 2018

Bibliographical note

Publisher Copyright:
© 2018 by the authors. Licensee MDPI, Basel, Switzerland.

NREL Publication Number

  • NREL/JA-5K00-72252

Keywords

  • APT
  • BZCY
  • Proton-conducting membranes
  • SSRM
  • TEM
  • TOF-SIMS

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