？ FABBRI E, BI L, TANAKA H, et al. Chemically stable Pr and Y co-doped barium zirconate electrolytes with high proton conductivity for intermediate temperature solid oxide fuel cells [J]. Adv Funct Mater, 2011, 21: 158–166.
[2]
？ MAGRASO A, HAUGSRUD R, SEGARRA M, et al. Defects and transport in Gd-doped BaPrO3 [J]. J Electroceram, 2009, 23(1): 80–88.
[3]
？ BABILO P, HAILE S M. Enhanced sintering yttrium-doped barium zirconate by addition of ZnO [J]. J Am Ceram Soc, 2005, 88: 2362– 2368.
[4]
？ TAI L W, NASRALLAH M M, ANDERSON H U, et al. Structure and electrical properties of La1–xSrxCo1–yFeyO3. Part 2. The system La1–xSrxCo0.2Fe0.8 [J]. Solid State Ionics, 1995, 76(3–4): 273–283.
GAO Zhan, ZHANG Ping, GAO Ruifeng, et al. J New Chem Mater (in Chinese), 2007, 35(2): 6–8.
[10]
？ CHEN Y H, WEI Y J, ZHONG H H, et al. Synthesis and electrical properties of Ln0.6Ca0.4FeO3–δ (Ln = Pr, Nd, Sm) as cathode materials for IT-SOFC [J]. Ceram Int, 2007, 33: 1237–1241.
[11]
？ MINH N Q. Anode substrate for a high temperature ceramic fuel cell [J]. J Am Ceram Soc, 1993, 76(3): 563–588.
[12]
？ GAO J F, LIU X Q. Electrochemical behavior of Ln0.6Sr0.4Co0.2Fe0.8O3？δ (Ln = Ce, Gd, Sm, Dy) materials used as cathode of IT-SOFC [J]. Catal Today, 2003, 82: 207–211.
[13]
？ SHAW C K M, KILNER J A, SKINNER S J. Mixed cobalt and nickel containing perovskite oxide for intermediate temperature electrochemical applications [J]. Solid State Ionics, 2000, 135: 765–769.
GUO Youbin, YANG Yong, LU Lihua, et al. J Chin Ceram Soc, 2010, 38(7): 1259–1262.
[18]
？ STEELE B C H, HEINZEL A. Materials for fuel-cell technologies [J]. Nature, 2001, 414: 345–352.
[19]
？ ZUO C, ZHA S, LIU M, et al. Ba(Zr0.1Ce0.7Y0.2)O3–δ as an electrolyte for low-temperature [J]. Adv Mater, 2006, 18: 3318–3320.
[20]
？ TAO S, IRVINE J T S, STABLE. A easily sintered proton conducting oxide electrolyte for moderate temperature fuel cells and electrolyses [J]. Adv Mater, 2006, 18: 1581–1584.
[21]
？ KREUER K D, PADDISON S J, SPOHR E, et al. Transport in proton conductors for fuel-cell applications: Simulations, elementary reactions and phenomenology [J]. Chem Rev, 2004, 104: 4637–4678.
[22]
？ MAGRASO A, FONTAINE M L, LARRING Y, et al. Development of proton conducting SOFCs based on LaNbO4 electrolyte status in Norway [J]. Fuel Cells, 2011, 11(1): 17–25.
[23]
？ YANG L, ZUO C D, WANG S Z, et al. A novel compositecathode for low-temperature SOFCs based on oxide proton conductors [J]. Adv Mater, 2008, 20(17): 3280–3283.
[24]
？ MENG G Y, MA G L, MA Q L, et al. Ceramic membrane fuel cells based on solid proton electrolytes [J]. Solid State Ionics, 2007, 178(7): 697–703.
[25]
？ WIENSTR？ER S, WIEMH？FER H-D. Investigation of the influence of zirconium substigution on the properties of neodymium-doped barium cerates [J]. Solid State Ionics, 1997, 101–103: 1113–1117.
[26]
？ BOHN H G, SCHOBER T. Electrical conductivity of the high-tem- perature proton conductor BaZr0.9Y0.1O2.95 [J]. J Am Ceram Soc, 2000, 83: 768–772.
