采用溶胶-凝胶法合成了BaZr0.9Y0.1O3-δ (BZY), BaCe0.2Zr0.7Y0.1O3-δ (BCZY)固体电解质前驱体, 并在1300 ℃烧结成致密陶瓷. 采用热重差热分析(TG-DTA), X射线衍射分析(XRD)及电镜测试(SEM,TEM)对样品进行了表征. 并以烧结体样品为固体电解质、银钯作电极, 测定了其在不同气氛和温度下的电导率. 将该陶瓷用于固态质子传导电池中, 在常压下以氮气和氢气为原料合成了氨气. 结果表明, 氨的比产率可达2.93×10-9 mol·s-1·cm-2.
参考文献
| [1] | Kumar R V .Application of rare earth containing solid state ionic conductors in electrolytes[J].Journal of Alloys and Compounds,1997,250:501. |
| [2] | Matsumoto H;Iwahara H .Hydrogen isotope cell and its application to hydrogen isotope sensoring[J].Solid State Ionics,2000,136-137:1730177. |
| [3] | Kreuer KD. .ON THE DEVELOPMENT OF PROTON CONDUCTING MATERIALS FOR TECHNOLOGICAL APPLICATIONS[J].Solid state ionics,1997(1/4):1-15. |
| [4] | Bonanos N.;Ellis B.;Knight KS. .PEROVSKITE SOLID ELECTROLYTES - STRUCTURE, TRANSPORT PROPERTIES AND FUEL CELL APPLICATIONS[J].Solid state ionics,1995(0):161-170. |
| [5] | Matsumoto H.;Iwahara H.;Iida Y. .Current efficiency of electrochemical hydrogen pumping using a high-temperature proton conductor SrCe0.95Yb0.05O3-alpha[J].Solid state ionics,2000(3/4):345-349. |
| [6] | Panagos E.;Stoukides M.;Voudouris I. .MODELLING OF EQUILIBRIUM LIMITED HYDROGENATION REACTIONS CARRIED OUT IN H+ CONDUCTING SOLID OXIDE MEMBRANE REACTORS[J].Chemical Engineering Science,1996(11):3175-3180. |
| [7] | Marnellos G;Stoukides M .Ammonia synthesis at atmospheric pressure[J].Science,1998,282:5386. |
| [8] | 魏丽,陈诵英,王琴.中温固体氧化物燃料电池电解质材料的研究进展[J].稀有金属,2003(02):286-292,298. |
| [9] | 郑文君;庞文琴 .钙钛矿型复合氧化物氢离子导体研究现状[J].功能材料,1997,28(03):242. |
| [10] | 宿新泰,刘瑞泉,王吉德.SrCe0.95Y0.05O3-δ在中温区的电化学性质及其在常压合成氨中的应用[J].化学学报,2003(04):505-509. |
| [11] | Shima D.;Haile SM. .THE INFLUENCE OF CATION NON-STOICHIOMETRY ON THE PROPERTIES OF UNDOPED AND GADOLINIA-DOPED BARIUM CERATE[J].Solid state ionics,1997(1/4):443-455. |
| [12] | 蒋凯,何志奇,王鸿燕,梁宏伟,孟建,任玉芳,苏锵.BaCe0.8Ln0.2O2.9（Ln=Gd, Sm, Eu）固体电解质的低温制备及其燃料电池性质[J].中国科学B辑,1999(04):355-360. |
| [13] | Xie YH;Wang JE;Liu RQ;Su XT;Sun ZP;Li ZJ .Preparation of La1.9Ca0.1Zr2O6.95 with pyrochlore structure and its application in synthesis of ammonia at atmospheric pressure[J].Solid state ionics,2004(1/2):117-121. |
| [14] | 史雅珍;熊新向;谌翔希 .奈氏试剂与铵离子的显色反应及光度法定氮[J].武汉冶金科技大学学报（自然科学版）,1998,1:40. |
| [15] | 谢亚红,刘瑞泉,李志杰,王吉德,宿新泰.Ca、Ce双掺杂烧绿石型复合氧化物的合成及离子导电性能研究[J].无机化学学报,2004(05):551-554. |
| [16] | 徐庆,黄端平,陈文,王皓,袁润章.La0.6Sr0.4Co0.8Fe0.2O3钙钛矿复合氧化物的柠檬酸盐法合成与导电性能[J].中国稀土学报,2003(05):541-545. |
| [17] | 谢刚,马文会,陈书荣,崔衡,张雄飞.La0.8Sr0.2-xCaxCo0.9Fe0.1O3-δ的合成与电性能[J].中国稀土学报,2002(01):81-84. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%