4.6 Article

Anomalous low-temperature proton conductivity enhancement in a novel protonic nanocomposite

Journal

PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 16, Issue 11, Pages 5076-5080

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp00468j

Keywords

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Funding

  1. Petroleum Institute in Abu Dhabi, UAE
  2. National Science Foundation MRSEC program [DMR-0820518]
  3. National Science Foundation Graduate Research Fellowship [DGE-1057607]
  4. National Science Foundation Ceramics Program [DMR-1003030]
  5. Direct For Mathematical & Physical Scien
  6. Division Of Materials Research [1003030] Funding Source: National Science Foundation

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A novel protonic ceramic composite is synthesized that comprises nanoscale nickel metal films partially decorating the grain boundaries of the proton-conducting ceramic, BaCe(0.7)Zr(0.1)Y(0.1)Yb(0.1)O3-delta (BCZYYb). Low-temperature proton conductivity improvements of up to 46x vs. a control are observed, suggesting a novel method to enhance ion conductivity in polycrystalline materials.

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