Dense proton injection into phosphate glasses using corona discharge treatment

Takuya Kinoshita, Atsushi Miyazaki, Keiga Kawaguchi, Daisuke Sakai, Takuya Yamaguchi, Takahisa Omata, Tomohiro Ishiyama, Masaya Fujioka, Hideo Kaiju, Junji Nishii

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Sodium ions in 25NaO 1/2 -6LaO 3/2 -6GeO 2 -63PO 5/2 (mol%) glasses were substituted with protons using corona discharge treatment (CDT) under a H 2 atmosphere. The substitution of sodium ion to proton proceeded from the anode side to the cathode side with constant current flow during the CDT. A crystalline free and transparent glass plate of 0.3 mm thickness was obtained after CDT for 96 h. The maximum decrease rate from sodium ion to proton was 78 ± 10%. The proton conductivity of 8.5 × 10 −4 S/cm was attained at 400 °C.

Original languageEnglish
Pages (from-to)718-722
Number of pages5
JournalApplied Surface Science
Volume428
DOIs
Publication statusPublished - 2018 Jan 15
Externally publishedYes

Keywords

  • DC voltage
  • Fuel cell
  • Hydrogen
  • Ion exchange
  • Proton conduction

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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