NH4PO3/SiO2 composite as electrolyte for intermediate temperature fuel cells

Lijun Liu, Hengyong Tu, Carsten Cremers, Ulrich Stimming

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

NH4PO3/SiO2 composite based electrolyte with SiO2 as supporting matrix was prepared. A thermogravimetric analysis was performed. Its electrochemical properties were investigated by an impedance spectroscopy within the temperature range of 100-300 °C under dry and humid atmospheres. The maximum conductivity is 6 mS cm- 1 at 300 °C under dry N2 and 0.1 S cm- 1 at 200 °C under humid N2.

Original languageEnglish
Pages (from-to)2417-2419
Number of pages3
JournalSolid State Ionics
Volume177
Issue number26-32 SPEC. ISS.
DOIs
StatePublished - 31 Oct 2006

Keywords

  • Conductivity
  • Intermediate temperature fuel cell
  • Polyphosphate
  • Silica

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