Preparation of Ce(SO4)2-doped Phosphosilicate Gels by Mechanical Milling

Chemical Research in Chinese Universities ›› 2012, Vol. 28 ›› Issue (2): 299-301 .

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Preparation of Ce(SO₄)₂-doped Phosphosilicate Gels by Mechanical Milling

PENG Hui-fen, HU Lin-na, HE Jun-hua

1. School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China;
2. School of Chemical Engineering,Hebei University of Technology, Tianjin 300130, P. R. China;
3. Chengdu Sepmem Science & Technology Co., Ltd., Chengdu 610091, P. R. China

Received:2011-04-11 Revised:2011-08-01 Online:2012-03-25 Published:2012-03-08
Supported by:
Supported by the Fund of Education Department of Hebei Province, China(No.ZD200912).

Abstract

Abstract: Ce(SO₄)₂-doped phosphosilicate gel was prepared by mechanical milling. Complex impedance analysis proved that the 15 h-ball-milled sample showed a maximum conductivity of 2.97 S/m at 130 °C, which is about 40% higher than that of the sol-gel-prepared sample with the same compositions. NMR results proved that the ball-milled samples contained more Q¹ structural units helpful to an increase in both proton conduction and chemical durability.

Key words: Phosphosilicate gel, Proton conductor, Cerium sulphate, Mechanical milling

PENG Hui-fen, HU Lin-na, HE Jun-hua. Preparation of Ce(SO₄)₂-doped Phosphosilicate Gels by Mechanical Milling[J]. Chemical Research in Chinese Universities, 2012, 28(2): 299-301 .

References

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Preparation of Ce(SO₄)₂-doped Phosphosilicate Gels by Mechanical Milling

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