TY - GEN
T1 - High proton conductivity in anodic ZrO2-WO3-SiO 2 nanofilms
AU - Ye, Ke
AU - Aoki, Yoshitaka
AU - Tsuji, Etsushi
AU - Nagata, Shinji
AU - Habazaki, Hiroki
PY - 2013
Y1 - 2013
N2 - The proton conductivity of the anodic ZrO2-WO 3-SiO2 nanofilms prepared by anodizing of sputter-deposited Zr37W47Si16 alloy at several formation voltages for 1.8 ks in 0.1 mol dm-3 phosphoric acid electrolyte at 20°C has been examined below 250°C in various environments. The proton conductivity activated by thermal treatment at 250°C is not influenced by the presence of O2 and H2O in the atmosphere. However, the conductivity is enhanced by one order of magnitude in H2-containing atmosphere. The H2-induced conductivity enhancement is reversible; the enhanced conductivity is returned to an original value by exposing again in an O 2- containing atmosphere.
AB - The proton conductivity of the anodic ZrO2-WO 3-SiO2 nanofilms prepared by anodizing of sputter-deposited Zr37W47Si16 alloy at several formation voltages for 1.8 ks in 0.1 mol dm-3 phosphoric acid electrolyte at 20°C has been examined below 250°C in various environments. The proton conductivity activated by thermal treatment at 250°C is not influenced by the presence of O2 and H2O in the atmosphere. However, the conductivity is enhanced by one order of magnitude in H2-containing atmosphere. The H2-induced conductivity enhancement is reversible; the enhanced conductivity is returned to an original value by exposing again in an O 2- containing atmosphere.
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U2 - 10.1149/05027.0193ecst
DO - 10.1149/05027.0193ecst
M3 - Conference contribution
AN - SCOPUS:84885797199
SN - 9781607684152
T3 - ECS Transactions
SP - 193
EP - 201
BT - Solid State Ionic Devices 9 - Ion Conducting Thin Films and Multilayers
PB - Electrochemical Society Inc.
T2 - 9th Solid State Ionic Devices Sympsoium - 22nd ECS Meeting
Y2 - 7 October 2012 through 12 October 2012
ER -