| Preparation of the Solid Electrolytes Li4＋xAlxSi1—xO4—yAl2O3 by the Sol—Gel Method and Study of Their Ionic Conductivity |
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| 引用本文： | 陈汝芬
,宋秀芹.Preparation of the Solid Electrolytes Li4＋xAlxSi1—xO4—yAl2O3 by the Sol—Gel Method and Study of Their Ionic Conductivity[J].中国化学,2002,20(1):18-21. |
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| 作者姓名： | 陈汝芬 宋秀芹 |
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| 作者单位： | CHEN，Ru-Fen SONG，Xiu-QinDepartment of Chemistry，Hebei Normal University，Shijiazhuang，Hebei 050016，China |
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| 基金项目： | theNaturalScienceFoundationofHebeiProvince (No .2 96 16 9) |
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| 摘 要： | ＩｎｔｒｏｄｕｃｔｉｏｎＬｉｔｈｉｕｍｉｏｎｃｏｎｄｕｃｔｏｒｓａｒｅｐｒｏｍｉｓｉｎｇｍａｔｅｒｉａｌｓｆｏｒｍａｎｙｋｉｎｄｓｏｆｅｌｅｃｔｒｏｃｈｅｍｉｃａｌａｐｐｌｉｃａｔｉｏｎ ,ｓｕｃｈａｓｅｌｅｃ ｔｒｏｌｙｔｅｓｆｏｒｈｉｇｈ ｅｎｅｒｇｙｄｅｎｓｉｔｙｂａｔｔｅｒｉｅｓ .1Ｔｈｅｐｒｏｐｅｒｔｉｅｓｏｆｈｉｇｈｉｏｎｉｃｃｏｎｄｕｃｔｉｖｉｔｙ ,ｈｉｇｈｄｅｃｏｍｐｏｓｉｔｉｏｎｐｏｔｅｎｔｉａｌ,ｓｔａｂｉｌｉｔｙａｎｄｃｏｍｐａｔｉｂｉｌｉｔｙａｇａｉｎｓｔｅｌｅｃｔｒｏｄｅｓｓ…
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| 关 键 词： | 制备 固体电解质 溶胶－凝胶法 硅酸铝锂 离子导电性 Li4＋xAlxSi1－xO4－yAl2O3 |
Preparation of the Solid Electrolytes Li_(4+x)Al_xSi_(1-x)O_4-yAl_2O_3 by the Sol-Gel Method and Study of Their Ionic Conductivity |
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| CHEN,Ru-Fen SONG,Xiu-Qin.Preparation of the Solid Electrolytes Li_(4+x)Al_xSi_(1-x)O_4-yAl_2O_3 by the Sol-Gel Method and Study of Their Ionic Conductivity[J].Chinese Journal of Chemistry,2002,20(1):18-21. |
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| Authors: | CHEN Ru-Fen SONG Xiu-Qin |
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| Institution: | CHEN,Ru-Fen SONG,Xiu-QinDepartment of Chemistry,Hebei Normal University,Shijiazhuang,Hebei 050016,China |
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| Abstract: | The Li4+xAlxSi1‐xO4‐yAl2O3(x = 0 to 0.5, y =0 to 0.5) ion conductors were prepared by the Sol‐Gel method and examined in detail. The powder and sintered samples were characterized by TG‐DTA, XRD, SEM, and AC impedance techniques. The experimental results show that the conductivity and sinterability increase with the amount of excess Al2O3 in the silicate. The particle size of the powder samples is about 0.13 μm. The maximum conductivity at 18 °C. is 3.057 × 10?5 s/cm for Li4.4Al0.4Si0.6O4‐0.3 Al2O3. |
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| Keywords: | Li 4+xAl xSi 1-xO 4-yAl 2O 3 solid electrolyte ionic conductivity Sol-Gel method |
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