材料研究学报  2007, Vol. 21 Issue (4): 377-382

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低温燃烧合成制备Ce0.8Y0.2O1.9电解质

徐红梅　 严红革　 陈振华

徐红梅; 严红革; 陈振华 . 低温燃烧合成制备Ce0.8Y0.2O1.9电解质[J]. 材料研究学报, 2007, 21(4): 377-382.

摘要 参考文献 相关文章 Metrics 全文: PDF(776 KB)   摘要: 以柠檬酸为还原剂,以硝酸盐为氧化剂,使用溶胶-凝胶低温燃烧工艺制备Ce0.8Y0.2O1.9纳米粉体,研究了溶液的凝胶化和硝酸盐与柠檬酸的摩尔比对粉体的微观结构及烧结性能的影响.结果表明:柠檬酸(CA)与金属离子(Mn+)的摩尔比(nCA/nn+M)和溶液的pH值决定了金属离子的络合,柠檬酸与金属离子的络合物通过氢键凝胶化.当燃烧反应中硝酸盐与柠檬酸的比值为1.5时,粉体具有很好的成型和烧结性能.将素坯在1350 ℃保温4 h,得到的烧结体晶粒尺寸为0.46 μm,相对密度95%以上,700 ℃时的离子电导率为0.034 S·cm-1. Key words： 收稿日期: 1900-01-01      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 徐红梅 严红革 陈振华 44.8K 链接本文: https://www.cjmr.org/CN/Y2007/V21/I4/377 1 M.A.Panhans,R.N.Blumenthal,A thermodynamic and electrical conductivity study of nonstoichiometric cerium dioxide,Solid State Ionics,60(4),279(1993) 2 J.F.Q.Rey,E.N.S.Muccillo,Lattice parameters of yttria- doped ceria solid electrolytes,Journal of the European Ceramic Society,24(6),1287(2004) 3 J.Ma,T.S.Zhang,L.B.Kong,P.Hing,S.H.Chan, Ce_(0.8)Gd_(0.2)O_(2-δ)ceramics derived from commercial submicron-sized CeO_2 and Gd_2O_3 powders for use as electrolytes in solid oxide fuel ceils,Journal of Powers Sources,132(1～2),71(2004) 4 S.Diken,P.Shuck,M.Greenblatt,H.Gocmez,Hydrother- real synthesis and properties of Ce_(1-x)Gd_xO_(2-δ)solid so- lutions,Solid State Sciences,4(5),585(2002) 5 S.K.Tadokoro,T.C.Porflrio,R.Muccillo,E.N.S.Muccillo, Synthesis,sintering and impedance spectroscopy of 8 tool% yttria-doped ceria solid electrolyte,Journal of Power Sources,130(1～2),15(2004) 6 T.S.Zhang,J.Ma,L.B.Kong,P.Hing,J.A.Kilner,Prepara- tion and mechanical properties of dense Ce_(0.8)Gd_(0.2)O_(2-δ) ceramics,Solid State Ionics,167(1-2),191(2004) 7 J.G.Li,I.Takayasu,W.Yarong,M.Toshiyuki,Nanocrys- talline Ce_(1-x)Y_xO_(2-x/2)(0≤x≤0.35)oxides via carbon- ate precipitation:synthesis and characterization,Journal of Solid State Chemistry,168(1),52(2002) 8 F.Y.Wang,S.Y.Chen,Q.Wang,S.X.Yu,S.Cheng,Study on Gd and Mg co-doped ceria electrolyte for intermediate temperature solid oxide fuel cells,Catalysis Today,97, 189(2004) 9 R.D.Purohit,B.P.Sharma,K.T.Pillai,A.K.Tyagi,Ultra- fine ceria powders via glycine-nitrate combustion,Mate- rials Research Bulletin,36(15),2711(2001) 10 J.Poth,R.Haberkorn,H.P.Beck,Combustion-synthesis of SrTiO_3 PartⅡ.Sintering behaviour and surface charac- terization,Journal of the European Ceramics Society,20, 715(2000) 11 S.V.Chavan,A.K.Tyagi,Combustion synthesis of nanocrystalline yttria-doped ceria,Journal of the Materials Research,19(2),474(2004) 12 R.D.Purohit,S.Saha,A.K.Tyagi,Powder characteristics and sinterability of ceria powders prepared through differ- ent routes,Ceramics International,32(2),143(2006) 13 S.Vivekanandhan,M.Venkateswarlu,N.Satyanarayana, Glycerol-assisted gel combustion synthesis of nano- crystalline LiNiVO_4 powders for secondary lithium bat- teries,Materials Letters,58,1218(2004) 14 ZHANG Naiqing,SUN Kening,PIAO Jinhua, WU Ningning,ZHOU Derui,Preparation of La_(0.9)Sr_(0.1)Ga_(0.8)Mg_(0.2)O3-δsolid electrolyte for in- termediate temperature by gel-combustion method, Journal of Synthetic Crystals,33(5),758(2004) (张乃庆，孙克宁，朴金花，吴宁宁，周德珊，凝胶燃烧制备中温固体电解质La0．9Sr0．1Ga0．8Mg0．2O3-δ，人工晶体学报，33(5)，758(2004)) 15 S.R.Jain,K.C.Adiga,V.R.Pai,A new approach to thermo- chemical calculations of condensed fuel-oxidizer mixtures, Combustion Flame,40,71(1981) 16 Z.G.Huang,X.D.Sun,Z.M.Xiu,S.W.Chen,C.T.Tsai,Pre- cipitation synthesis and sintering of yttria nanopowders, Materials Letters,58(15),2137(2004) 17 T.S.Zhang,J.Ma,L.B.Kong,S.H.Chan,P.Hing, J.A.Kilner,Intermediate-temperature ionic conduc- tivity of ceria-based solid solutions as a function of gadolinia and silica contents,Solid State Sciences,6(6), 565(2004) 18 T.S.Zhang,P.Hing,H.T.Huang,J.Kilner,Ionic conduc- tivity in the CeO_2-Gd_2O_3 system(0.05≤Gd/Ce≤0.4) prepared by oxalate coprecipitation,Solid State Ionics, 148(3～4),567(2002) 19 X.Q.Sha,Z.Lii,X.Q.Huang,J.P.Miao,Z.H.Ding,X.S.Xin, W.H.Su,Preparation and properties of rare earth co- doped Ce_(0.8)Sm_(0.2-x)Y_xO_(1.9)electrolyte materials for SOFC,Journal of Alloys and Compounds,424(1～2), 315(2007) 20 R.R.Peng,C.R.Xia,Q.X.Fu,G.Y.Meng,D.K.Peng,Sin- tering and electrical properties of(CeO_2)_(0.8)(Sm_2O_3)_(0.1) powders prepared by glycine-nitrate process,Materials Letter,56(6),1043(2002) 21 H.B.Li,C.R.Xia,M.H.Zhu,Z.X.Zhou,G.Y.Meng,Reac- tive Ce_(0.8)Sm_(0.2)O_(1.9)powder synthesized by carbonate co- precipitation:sintering and electrical characteristics,Acta Materialia,54(3),721(2006) 22 X.Q.Sha,Z.Lü,X.Q.Huang,J.P.Miao,Z.H.Ding,X.S.Xin, W.H.Su,Study on La and Y co-doped ceria-based elec- trolyte materials,Journal of Alloys and Compounds, 42S(1～2),59(2007) No related articles found! Viewed Full text Abstract Cited   Shared      Discussed