采用溶液注入法和丝网印刷法制备了(La,Sr)(Co,Fe)O3-δ (LSCF)/YSZ与LSCF/GDC复合电极,并通过扫描电镜和电化学阻抗谱研究了不同结构电极的微观形貌和电化学催化性能. 结果表明, LSCF阴极与YSZ电解质在低于800 ℃下制备时,没有新相产生; 在中温固体氧化物燃料电池的工作条件(700~750 ℃)下,溶液注入法制备的LSCF阴极与YSZ电解质有较好的化学相容性和较高的电化学催化活性,而丝网印刷法制备的LSCF阴极则表现出稳定的电化学催化性能.
参考文献
[1] | 李箭.固体氧化物燃料电池:发展现状与关键技术[J].功能材料与器件学报,2007(06):683-690. |
[2] | Ellen Ivers-Tiffee;Andre Weber;Dirk Herbstritt .Materials and technologies for SOFC-components[J].Journal of the European Ceramic Society,2001(10/11):1805-1811. |
[3] | Yasuda I.;Hishinuma M.;Kawada T.;Dokiya M.;Ogasawara K. .OXYGEN TRACER DIFFUSION COEFFICIENT OF (LA,SR)MNO3+/-DELTA[J].Solid state ionics,1996(2):1197-1201. |
[4] | Xia CR.;Rauch W.;Chen FL.;Liu ML. .Sm0.5Sr0.5CoO3 cathodes for low-temperature SOFCs[J].Solid state ionics,2002(1/2):11-19. |
[5] | Shao, ZP;Haile, SM .A high-performance cathode for the next generation of solid-oxide fuel cells[J].Nature,2004(7005):170-173. |
[6] | Qiang F;Sun K N;Zhang N Q;Zhu X D Le S R Zhou D R .[J].Journal of Power Sources,2007,168(02):338. |
[7] | Shuyan Li;Zhe Lu;Bo Wei .Performances of Ba_(0.5)Sr_(0.5)Co_(0.6)Fe_(0.4)O_(3-delta)-Ce_(0.8)Sm_(0.2)O_(1.9) composite cathode materials for IT-SOFC[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):116-121. |
[8] | Kostogloudis G. Ch.;Ftikos Ch. .Properties of A-site-deficient La_(0.6)Sr_(0.4)Co_(0.2)Fe_(0.8) O_(3-δ)-based perovskite oxides[J].Solid state ionics,1999(1/2):143-151. |
[9] | Teraoka Y;Nobunaga T;Okamoto K;Miura N Yamazoe N .[J].Solid State Ionics,1991,48(3/4):207. |
[10] | Kindermann L.;Nickel H.;Das D. .CHEMICAL COMPATIBILITY OF THE LAFEO3 BASE PEROVSKITES (LA0.6SR0.4)(Z)FE(0.8)M(0.2)O(3-DELTA) (Z=1, 0.9 M=CR, MN, CO, NI) WITH YTTRIA STABILIZED ZIRCONIA[J].Solid state ionics,1996(3/4):215-220. |
[11] | 朱晓东,孙克宁,乐士儒,袁一星.CeO2阻挡层在SSZ基SOFC中的研究进展[J].电源技术,2008(02):124-127. |
[12] | Jiang S P .[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2006,418(1/2):199. |
[13] | Craciun R.;Gorte R.J.;Vohs J.M.;Wang C.;Worrell W.L.;Park S. .Novel method for preparing anode cermets for solid oxide fuel cells[J].Journal of the Electrochemical Society,1999(11):4019-4022. |
[14] | Wang W S;Gross M D;Vohs J M;Gorte R J .[J].Journal of the Electrochemical Society,2007,154(05):B439. |
[15] | Murray EP.;Sever MJ.;Barnett SA. .Electrochemical performance of (La,Sr)(Co,Fe)O-3-(Ce,Gd)O-3 composite cathodes[J].Solid state ionics,2002(1/2):27-34. |
[16] | Zhao F;Wang Z Y;Liu M F;Zhang L Xia C R Chen F L .[J].Journal of Power Sources,2008,185(01):13. |
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%