.1342 工程科学学报,第42卷,第10期 hydrothermal synthesis,structure and magnetic properties of reduction of titanium dioxide to titanium in molten calcium RECrO (RE=La,Pr,Nd,Sm).Dalton Trans,2015,44(39): chloride.Nanre,2000,407(6802):361 17201 [20]Jiao S Q,Fray D J.Development of an inert anode for [11]Hilpert K,Steinbrech R W,Boroomand F,et al.Defect formation electrowinning in calcium chloride-calcium oxide melts.Metall and mechanical stability of perovskites based on LaCrO,for solid Mater Trans B,2010,41(1):74 oxide fuel cells (SOFC).J Eur Ceram Soc,2003,23(16):3009 [21]Yin H,Mao X.Tang D,et al.Capture and electrochemical [12]Mori M,Hiei Y,Sammes N M.Sintering behavior of Ca-or Sr- conversion of CO,to value-added carbon and oxygen by molten doped LaCrO;perovskites including second phase of AECrO salt electrolysis.Energy Emviron Sci,2013,6(5):1538 (AE=Sr,Ca)in air.Solid State lonics,2000.135(1-4):743 [22]Abdelkader A M,Kilby K T,Cox A,et al.DC voltammetry of [13]Duran P,Tartaj J,Capel F,et al.Formation,sintering and thermal electro-deoxidation of solid oxides.Chem Rev,2013,113(5): expansion behaviour of Sr-and Mg-doped LaCrO3 as SOFC 2863 interconnector prepared by the ethylene glycol polymerized [23]Wang S B,Ge J B,Hu Y J,et al.Electrochemical reduction of iron complex solution synthesis method.J Eur Ceram Soc,2004. oxide in molten sodium hydroxide based on a NiSiAlo 24(9:2619 metallic inert anode.Electrochim Acta,2013,87:148 [14]Liu M F,Zhao L,Dong D H,et al.High sintering ability and [24]Mamedov V.Spark plasma sintering as advanced PM sintering electrical conductivity of Zn doped La(Ca)CrO,based interconnect method.Powder Metall,2002,45(4):322 ceramics for SOFCs.Power Sources,2008,177(2):451 [25]Guillon O,Gonzalez-Julian J,Dargatz B,et al.Field-assisted [15]Oishi M,Yashiro K,Hong J O,et al.Oxygen nonstoichiometry of sintering technology/spark plasma sintering:mechanisms, B-site doped LaCrO:.Solid State lonics,2007,178(3-4):307 materials,and technology developments.Adv Eng Mater,2014, [16]Correa H P S,Paiva-Santos CO,Setz L F,et al.Crystal structure 16(7):830 refinement of Co-doped lanthanum chromites.Powder Diffract, [26]Munir Z A,Anselmi-Tamburini U,Ohyanagi M.The effect of 2008,23(Suppl1):S18 electric field and pressure on the synthesis and consolidation of [17]Suda E,Pacaud B,Seguelong T,et al.Sintering characteristics and materials:A review of the spark plasma sintering method.J Mater thermal expansion behavior of Li-doped lanthanum chromite Sci,2006,41(3):763 perovskites depending upon preparation method and Sr doping [27]Jiao H D,Wang J X,Ge J B,et al.Fabrication,characterization Solid State lonics,2002,151(1-4):335 and electrical conductivity of Ru-doped LaCrO;dense perovskites [18]Mori M,Sammes N M.Sintering and thermal expansion Solid State Commun,2016,231-232:53 characterization of Al-doped and Co-doped lanthanum strontium [28]El-Sheikh S M,Khedr T M,Zhang G S,et al.Tailored synthesis of chromites synthesized by the Pechini method.Solid State lonics anatase-brookite heterojunction photocatalysts for degradation of 2002,146(3-4):301 cylindrospermopsin under UV-Vis light.Chem Eng J,2017,310: [19]Chen G Z,Fray D J,Farthing T W.Direct electrochemical 428hydrothermal synthesis, structure and magnetic properties of RECrO3 (RE= La, Pr, Nd, Sm). Dalton Trans, 2015, 44(39): 17201 Hilpert K, Steinbrech R W, Boroomand F, et al. Defect formation and mechanical stability of perovskites based on LaCrO3 for solid oxide fuel cells (SOFC). J Eur Ceram Soc, 2003, 23(16): 3009 [11] Mori M, Hiei Y, Sammes N M. Sintering behavior of Ca-or Srdoped LaCrO3 perovskites including second phase of AECrO4 (AE= Sr, Ca) in air. Solid State Ionics, 2000, 135(1-4): 743 [12] Duran P, Tartaj J, Capel F, et al. Formation, sintering and thermal expansion behaviour of Sr-and Mg-doped LaCrO3 as SOFC interconnector prepared by the ethylene glycol polymerized complex solution synthesis method. J Eur Ceram Soc, 2004, 24(9): 2619 [13] Liu M F, Zhao L, Dong D H, et al. High sintering ability and electrical conductivity of Zn doped La(Ca)CrO3 based interconnect ceramics for SOFCs. J Power Sources, 2008, 177(2): 451 [14] Oishi M, Yashiro K, Hong J O, et al. Oxygen nonstoichiometry of B-site doped LaCrO3 . Solid State Ionics, 2007, 178(3-4): 307 [15] Corrêa H P S, Paiva-Santos C O, Setz L F, et al. Crystal structure refinement of Co-doped lanthanum chromites. Powder Diffract, 2008, 23(Suppl1): S18 [16] Suda E, Pacaud B, Seguelong T, et al. Sintering characteristics and thermal expansion behavior of Li-doped lanthanum chromite perovskites depending upon preparation method and Sr doping. Solid State Ionics, 2002, 151(1-4): 335 [17] Mori M, Sammes N M. Sintering and thermal expansion characterization of Al-doped and Co-doped lanthanum strontium chromites synthesized by the Pechini method. Solid State Ionics, 2002, 146(3-4): 301 [18] [19] Chen G Z, Fray D J, Farthing T W. Direct electrochemical reduction of titanium dioxide to titanium in molten calcium chloride. Nature, 2000, 407(6802): 361 Jiao S Q, Fray D J. Development of an inert anode for electrowinning in calcium chloride-calcium oxide melts. Metall Mater Trans B, 2010, 41(1): 74 [20] Yin H, Mao X, Tang D, et al. Capture and electrochemical conversion of CO2 to value-added carbon and oxygen by molten salt electrolysis. Energy Environ Sci, 2013, 6(5): 1538 [21] Abdelkader A M, Kilby K T, Cox A, et al. DC voltammetry of electro-deoxidation of solid oxides. Chem Rev, 2013, 113(5): 2863 [22] Wang S B, Ge J B, Hu Y J, et al. Electrochemical reduction of iron oxide in molten sodium hydroxide based on a Ni0.94Si0.04Al0.02 metallic inert anode. Electrochim Acta, 2013, 87: 148 [23] Mamedov V. Spark plasma sintering as advanced PM sintering method. Powder Metall, 2002, 45(4): 322 [24] Guillon O, Gonzalez-Julian J, Dargatz B, et al. Field-assisted sintering technology/spark plasma sintering: mechanisms, materials, and technology developments. Adv Eng Mater, 2014, 16(7): 830 [25] Munir Z A, Anselmi-Tamburini U, Ohyanagi M. The effect of electric field and pressure on the synthesis and consolidation of materials: A review of the spark plasma sintering method. J Mater Sci, 2006, 41(3): 763 [26] Jiao H D, Wang J X, Ge J B, et al. Fabrication, characterization and electrical conductivity of Ru-doped LaCrO3 dense perovskites. Solid State Commun, 2016, 231-232: 53 [27] El-Sheikh S M, Khedr T M, Zhang G S, et al. Tailored synthesis of anatase-brookite heterojunction photocatalysts for degradation of cylindrospermopsin under UV-Vis light. Chem Eng J, 2017, 310: 428 [28] · 1342 · 工程科学学报,第 42 卷,第 10 期