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Citation: GUO Gui-Bao, ZHOU Fen, MENG Shu-Min, AN Sheng-Li. P₂O₅ Doped Phosphotungstic Acid (PWA) Electrolyte at Room Temperature[J]. Chinese Journal of Applied Chemistry, ;2009, 26(1): 78-81. shu

P₂O₅ Doped Phosphotungstic Acid (PWA) Electrolyte at Room Temperature

GUO Gui-Bao ^a,b ,
ZHOU Fen ^c ,
MENG Shu-Min ^c ,
AN Sheng-Li ^a,c,,

1.
a School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083;
2.
b School of Biological and Chemical Engineering, Inner Mongolia University of Science & Technology, Baotou;
3.
c School of Material and Metallurgy, Inner Mongolia University of Science & Technology, Baotou 014010

Corresponding author: AN Sheng-Li,
Received Date: 30 December 2007
Available Online: 22 April 2008
Fund Project: 内蒙古自治区优秀学科带头人基金资助项目(20071103) (20071103)高校青年教师教学科研奖励计划项目(2002) (2002)

A novel electrolyte of phosphotungstic acid(PWA) doped with P₂O₅ was prepared.The effects of P₂O₅ concentration and relative humidity on the conductivity of the electrolyte were investigated by the impedance at room temperature.The results indicate that the conductivity of 7% P₂O₅/PWA electrolyte is 0.045 S/cm at room temperature.The conductivity of the electrolyte changes slightly at a relative humidity range of 20%~70%.The mass loss of P₂O₅/PWA electrolyte heated to 40 ℃ is less than 2%,which indicated that if has a good ability to retain water.
- gas sensor,
- phosphotungstic acid,
- electrolyte,
- retained water
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P₂O₅ Doped Phosphotungstic Acid (PWA) Electrolyte at Room Temperature