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Citation: CHE Quan-Tong, WANG Dong, HE Rong-Huan. Inorganic Proton Conductor SnP₂O₇ and Its Hybrid Membranes[J]. Chinese Journal of Applied Chemistry, ;2009, 26(9): 1015-1018. shu

Inorganic Proton Conductor SnP₂O₇ and Its Hybrid Membranes

1.
College of Science, Northeastern University, Shenyang 110004

Corresponding author: HE Rong-Huan,
Received Date: 26 August 2008
Available Online: 5 January 2009
Fund Project: “八六三”计划资助项目(2006AA03Z224) (2006AA03Z224)

Inorganic proton conductor SnP₂O₇ was synthesized.Its conductivity was measured from ambient temperature to 250 ℃ without humidification.At 170 ℃,the highest conductivity of 0.053 S/cm was reached for SnP₂O₇.Hybrid membranes of SnP₂O₇ with polyvinylidenefluoride(PVDF) or sulfonated poly(ether ether) ketone(SPEEK) were prepared by solution casting.For the hybrid membranes containing 60% SnP₂O₇,the conductivity at 210 ℃ was 9.2×10^-5 S/cm for SnP₂O₇/PVDF,and 9.3×10^-5 S/cm for SnP₂O₇/SPEEK with a sulfonation degree of 51%,respectively.The proton conduction mechanism of SnP₂O₇ as well as its hybrid membranes was discussed.The mechanical strength of the hybrid membranes was measured.The tensile strength of SnP₂O₇/PVDF membranes at break was much higher than that of SnP₂O₇/SPEEK membranes at 130 ℃.
- inorganic proton conductor,
- SnP₂O₇,
- hybrid membrane,
- conductivity,
- tensile strength
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Inorganic Proton Conductor SnP₂O₇ and Its Hybrid Membranes