Preparation of Ce(SO_4)_2-doped Phosphosilicate Gels by Mechanical Milling  

作　　者：PENG Hui-fen HU Lin-na HE Jun-hua 

机构地区：[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

出　　处：《Chemical Research in Chinese Universities》2012年第2期299-301,共3页高等学校化学研究（英文版）

基　　金：Supported by the Fund of Education Department of Hebei Province,China(No.ZD200912)

摘　　要：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.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.

关 键 词：Phosphosilicate gel Proton conductor Cerium sulphate Mechanical milling 

分 类 号：TQ127.2[化学工程—无机化工] TG139.8[一般工业技术—材料科学与工程]