欢迎登录材料期刊网

材料期刊网

高级检索

用柠檬酸及乙二醇作络合剂和燃料,硝酸作氧化剂,氨水作pH值调节搅和燃烧助剂,通过低温燃烧法合成了固体电解质SrCe0.95Y0.05O3-δ(SCY)纳米陶瓷粉.用X-ray衍射(XRD),热分析(TA),扫描电子显微镜(SEM)和透射电子显微镜(TEM)等分析方法对合成的粉体进行了表征.并初步考察了粉体的烧结性能.结果表明,低温燃烧法可以在短时间内,通过溶胶燃烧一步合成粒度小于25nm,分布均匀的SCY纳米粉,粉体具有良好的烧结性能.

参考文献

[1] Iwahara H. .TECHNOLOGICAL CHALLENGES IN THE APPLICATION OF PROTON CONDUCTING CERAMICS[J].Solid state ionics,1995(0):289-298.
[2] Iwahara H .Oxide-ionic and protonic conductors based on perovskite-type oxides and their possible applications[J].Solid State Ionics,1992,52:99-104.
[3] REICHEL U;ARONS R R;SCHILLING W .Investigation of n-type electronic defects in the protonic conductor SrCe 1-xYxO 3-x[J].Solid State Ionics,1996,86-88:639-654.
[4] T. He;P. Ehrhart .An optical in-situ study of BaCeO_3 at high temperatures[J].Solid state ionics,1996(1):633-638.
[5] Marnellos G.;Rizou A.;Stoukides M.;Sanopoulou O. .THE USE OF PROTON CONDUCTING SOLID ELECTROLYTES FOR IMPROVED PERFORMANCE OF HYDRO- AND DEHYDROGENATION REACTORS[J].Solid state ionics,1997(1/4):375-383.
[6] Hamakawa S;HIBINO T;IWAHARA H .Electrochemical hydrogen permeation in a proton-hole mixed conductor and its application to a membrane reactor[J].Journal of the Electrochemical Society,1994,141(07):1720-1725.
[7] Guan J.;Balachandran U.;Liu M.;Dorris SE. .TRANSPORT PROPERTIES OF BACE0.95Y0.05O3-ALPHA MIXED CONDUCTORS FOR HYDROGEN SEPARATION[J].Solid state ionics,1997(1/2):45-52.
[8] Iwahara H;UCHIDA H;MORIMOTO S et al.High-temperature Cl-gas fuel cells using proton-conducting solid electrolytes[J].Journal of Applied Electrochemistry,1989,19:448-452.
[9] Takatori K;TANI T;WATANABE N et al.Preparation and characterization of nano-structured ceramic powders synthesized by emulsion combustion method[J].Journal of Nanoparticle Research,1999,1:197-204.
[10] Majewski P;ROZUMEK M .Processing of LaSrGaMgO3 solid electrolyte[J].Journal of Electroceramics,2002,8:65-73.
[11] Liu S M;TAN X Y;LI K .Synthesis of strontium cerates-based perovskite ceramics via water-soluble complex precursor routes[J].Ceramics International,2002,28:327-335.
[12] 余家国,赵修建,韩建军,赵青南.溶胶-凝胶法制备TiO2纳米薄膜的晶粒长大机理研究[J].材料工程,2000(12):19-21.
[13] 李汶霞,殷声.低温燃烧合成陶瓷微粉[J].硅酸盐学报,1999(01):70-78.
[14] 纪媛,刘江,贺天民,丛立功,苏文辉.甘氨酸-硝酸盐法制备中温SOFC电解质及电极材料[J].高等学校化学学报,2002(07):1227-1230.
[15] Meilin Liu;Dongsheng Wang .Preparation of La_(1-z)Sr_zCo_(1-y)Fe_yO_(3-x) thin films, membranes, and coatings on dense and porous substrates[J].Journal of Materials Research,1995(12):3210-3221.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%