Research Progress of Oxygen Ion Electrolyte for Solid Oxide Cells

Abstract

Abstract: As a green and efficient all-solid-state energy conversion device, solid oxide cells (SOCs) can convert the chemical energy of hydrogen, carbon, hydrocarbons, alcohols or other fuels into electrical energy in the mode of fuel cells, and produce hydrogen via water splitting in the mode of electrolytic cells. It has great significance in alleviating the global energy crisis and achieving carbon neutrality. However, Y₂O₃ stabilized ZrO₂ (YSZ), the conventional electrolyte material of SOCs, shows a high ionic conductivity above 1 000 ℃. The working temperature is so high that many challenges need to be dealt with, such as high operating costs, limited material choice, and low system stability. Therefore, reducing operating temperature has always been a key issue for the development of SOCs, which can be realized by developing high conductivity electrolyte materials and reducing the thickness of electrolyte film. This paper makes a comprehensive review on the research progress of various oxygen ionic electrolyte materials for intermediate and low temperature SOCs in terms of material development and thin film fabrication. As far as ZrO₂, CeO₂, Bi₂O₃ and LaGaO₃ based solid electrolytes are concerned, the influence mechanism of heterovalent ion doping on the increase of oxygen ion conductivity and the stability of phase structure is illustrated, and the manufacturing techniques and ionic conductive properties of the electrolyte membranes is summarized. Accordingly, this paper can serve as a reference for the development of high-performance electrolyte materials for solid oxide cells.

Key words: solid oxide cells, solid electrolyte, thin film, oxygen ion conductivity, doping

CLC Number:

TM911

FENG Bin, LIU Peng, YANG Xianfeng, XIE Zhipeng. Research Progress of Oxygen Ion Electrolyte for Solid Oxide Cells[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(7): 2447-2457.

References

[1] ZHAO B, LIU J W, WANG X W, et al. CO₂-emission-free electrocatalytic CH₃OH selective upgrading with high productivity at large current densities for energy saved hydrogen co-generation[J]. Nano Energy, 2021, 80: 105530.
[2] ZHU P F, YAO J, QIAN C H, et al. High-efficiency conversion of natural gas fuel to power by an integrated system of SOFC, HCCI engine, and waste heat recovery: thermodynamic and thermo-economic analyses[J]. Fuel, 2020, 275: 117883.
[3] SHCHEKLEIN S, DUBININ A. Hydrogen-methanol SOFCs for transport[J]. International Journal of Hydrogen Energy, 2021, 46(51): 25871-25877.
[4] TAN L Z, DONG X M, GONG Z Q, et al. Analysis on energy efficiency and CO₂ emission reduction of an SOFC-based energy system served public buildings with large interior zones[J]. Energy, 2018, 165: 1106-1118.
[5] RADENAHMAD N, AZAD A T, SAGHIR M, et al. A review on biomass derived syngas for SOFC based combined heat and power application[J]. Renewable and Sustainable Energy Reviews, 2020, 119: 109560.
[6] KAZEMPOOR P, BRAUN R J. Hydrogen and synthetic fuel production using high temperature solid oxide electrolysis cells (SOECs)[J]. International Journal of Hydrogen Energy, 2015, 40(9): 3599-3612.
[7] NI M, LEUNG M K H, LEUNG D Y C. Technological development of hydrogen production by solid oxide electrolyzer cell (SOEC)[J]. International Journal of Hydrogen Energy, 2008, 33(9): 2337-2354.
[8] XU H R, CHEN B, IRVINE J, et al. Modeling of CH₄-assisted SOEC for H₂O/CO₂ co-electrolysis[J]. International Journal of Hydrogen Energy, 2016, 41(47): 21839-21849.
[9] 舟丹.日本家用热电联产系统[J].中外能源,2020,25(12):84.
ZHOU D. Japan’s household combined heat and power system [J]. Sino-Global Energy, 2020, 25(12): 84 (in Chinese).
[10] 神瑞宝,代贤忠,蒋东方,等.日本家用燃料电池热电联供系统在中国应用的经济性分析[J].中国电力,2020,53(10):74-79.
SHEN R B, DAI X Z, JIANG D F, et al. Economic analysis of the application of Japan’s household fuel cell CHP system in China[J]. Electric Power, 2020, 53(10): 74-79 (in Chinese).
[11] CHEN K K, HAN Y, TONG Z, et al. Membrane processes for CO₂ removal and fuel utilization enhancement for solid oxide fuel cells[J]. Journal of Membrane Science, 2021, 620: 118846.
[12] AGARKOV O, SHEVCHUK K, IVANYNA Y. Application of range extender based on solid oxide fuel cells (sofcs) for electrical buses: experience of Ceres power (united kingdom) and Weichai power (China) companies[J]. Avtoshliakhovyk Ukrayiny, 2021, 2(266): 22-28.
[13] JIN L, GUAN W B, NIU J Q, et al. Effect of contact area and depth between cell cathode and interconnect on stack performance for planar solid oxide fuel cells[J]. Journal of Power Sources, 2013, 240: 796-805.
[14] GUAN W B, DU Z G, WANG J X, et al. Mechanisms of performance degradation induced by thermal cycling in solid oxide fuel cell stacks with flat-tube anode-supported cells based on double-sided cathodes[J]. International Journal of Hydrogen Energy, 2020, 45(38): 19840-19846.
[15] JIANG J H, LI X, LI J. Modeling and model-based analysis of a solid oxide fuel cell thermal-electrical management system with an air bypass valve[J]. Electrochimica Acta, 2015, 177: 250-263.
[16] 彭元亭,王傲,韦童,等.液态生物质燃料重整及其在固体氧化物燃料电池中的应用[J].化工进展,2021,40(6):2972-2979.
PENG Y T, WANG A, WEI T, et al. Reforming of liquid bio-fuels for solid oxide fuel cell application[J]. Chemical Industry and Engineering Progress, 2021, 40(6): 2972-2979 (in Chinese).
[17] 李亚超,张海峰.晋煤集团碳基燃料电池SOFC发电示范工程建设及运行[J].能源技术与管理,2019,44(5):153-156.
LI Y C, ZHANG H F. Construction and operation of carbon-based SOFC power generation demonstration engineering of Shanxi coal group [J]. Energy Technology and Management, 2019, 44(5): 153-156 (in Chinese).
[18] SHI H G, SU C, RAN R, et al. Electrolyte materials for intermediate-temperature solid oxide fuel cells[J]. Progress in Natural Science: Materials International, 2020, 30(6): 764-774.
[19] GÓMEZ S Y, HOTZA D. Current developments in reversible solid oxide fuel cells[J]. Renewable and Sustainable Energy Reviews, 2016, 61: 155-174.
[20] GARCÍA-CAMPRUBÍ M, IZQUIERDO S, FUEYO N. Challenges in the electrochemical modelling of solid oxide fuel and electrolyser cells[J]. Renewable and Sustainable Energy Reviews, 2014, 33: 701-718.
[21] ZHANG L L, CHEN G, DAI R X, et al. A review of the chemical compatibility between oxide electrodes and electrolytes in solid oxide fuel cells[J]. Journal of Power Sources, 2021, 492: 229630.
[22] SASAKI K, MURANAKA M, TERAI T. Compatibility analysis of Ag and electrolyte materials for LT-SOFCs and LT-SOECs[J]. Solid State Ionics, 2010, 181(27/28): 1303-1307.
[23] 王绍荣,肖钢,叶晓峰.固体氧化物燃料电池[M].武汉:武汉大学出版社,2013:32-48.
WANG S R, XIAO G, YE X F. Solid oxide fuel cell[M]. Wuhan: Wuhan University Press, 2013: 32-48 (in Chinese).
[24] ZENG Z Z, QIAN Y P, ZHANG Y J, et al. A review of heat transfer and thermal management methods for temperature gradient reduction in solid oxide fuel cell (SOFC) stacks[J]. Applied Energy, 2020, 280: 115899.
[25] HE S, JIANG S P. Electrode/electrolyte interface and interface reactions of solid oxide cells: recent development and advances[J]. Progress in Natural Science: Materials International, 2021, 31(3): 341-372.
[26] SINGH M, SINGH A K. Studies on structural, morphological, and electrical properties of Ga³⁺ and Cu²⁺ co-doped ceria ceramics as solid electrolyte for IT-SOFCs[J]. International Journal of Hydrogen Energy, 2020, 45(44): 24014-24025.
[27] MANSILLA Y, ARCE M, OLIVER C G, et al. Synthesis and characterization of ZrO₂ and YSZ thin films[J]. Materials Today: Proceedings, 2019, 14: 92-95.
[28] SHELYUG A, NAVROTSKY A. Thermodynamic stability of the fluorite phase in the CeO₂-CaO-ZrO₂ system[J]. Journal of Nuclear Materials, 2019, 517: 80-85.
[29] MEKALA R, DEEPA B, RAJENDRAN V. Preparation, characterization and antibacterial property of rare earth (Dy and Ce) doping on ZrO₂ nanoparticles prepared by co-precipitation method[J]. Materials Today: Proceedings, 2018, 5(2): 8837-8843.
[30] ARACHI Y, SAKAI H, YAMAMOTO O, et al. Electrical conductivity of the ZrO₂-Ln₂O₃ (Ln=lanthanides) system[J]. Solid State Ionics, 1999, 121(1/2/3/4): 133-139.
[31] DWIVEDI S. Solid oxide fuel cell: materials for anode, cathode and electrolyte[J]. International Journal of Hydrogen Energy, 2020, 45(44): 23988-24013.
[32] LEE D S, KIM W S, CHOI S H, et al. Characterization of ZrO₂ co-doped with Sc₂O₃ and CeO₂ electrolyte for the application of intermediate temperature SOFCs[J]. Solid State Ionics, 2005, 176(1/2): 33-39.
[33] BRODNIKOVSKYI Y, MCDONALD N, POLISHKO I, et al. Properties of 10Sc₁CeSZ-3.5YSZ(33-, 40-, 50-wt.%) composite ceramics for SOFC application[J]. Materials Today: Proceedings, 2019, 6: 26-35.
[34] CHEN K F, LÜ Z, AI N, et al. Fabrication and performance of anode-supported YSZ films by slurry spin coating[J]. Solid State Ionics, 2007, 177(39/40): 3455-3460.
[35] WANG X, YU B, ZHANG W Q, et al. Microstructural modification of the anode/electrolyte interface of SOEC for hydrogen production[J]. International Journal of Hydrogen Energy, 2012, 37(17): 12833-12838.
[36] VENDRELL X, YADAV D, RAJ R, et al. Influence of flash sintering on the ionic conductivity of 8 mol% yttria stabilized zirconia[J]. Journal of the European Ceramic Society, 2019, 39(4): 1352-1358.
[37] KILNER J A, BROOK R J. A study of oxygen ion conductivity in doped non-stoichiometric oxides[J]. Solid State Ionics, 1982, 6(3): 237-252.
[38] ANGLE J P, STEPPAN J J, THOMPSON P M, et al. Parameters influencing thermal shock resistance and ionic conductivity of 8mol% yttria-stabilized zirconia (8YSZ) with dispersed second phases of alumina or mullite[J]. Journal of the European Ceramic Society, 2014, 34(16): 4327-4336.
[39] BASU S, ALAM M N, BASU S, et al. 8YSZ-carbonate composite electrolyte-conductivity enhancement[J]. Journal of Alloys and Compounds, 2020, 816: 152561.
[40] BOUHAMED H. Improved structural stability and electrochemical performance of 8YSZ electrolyte by MxO_y doping for low temperature solid oxide fuel cells (LT-SOFCs)[J]. Materials Science and Engineering: B, 2017, 225: 182-188.
[41] XU X Y, XIA C R, HUANG S G, et al. YSZ thin films deposited by spin-coating for IT-SOFCs[J]. Ceramics International, 2005, 31(8): 1061-1064.
[42] YU B, ZHANG W Q, XU J M, et al. Preparation and electrochemical behavior of dense YSZ film for SOEC[J]. International Journal of Hydrogen Energy, 2012, 37(17): 12074-12080.
[43] WANG Z H, SUN K N, SHEN S Y, et al. Preparation of YSZ thin films for intermediate temperature solid oxide fuel cells by dip-coating method[J]. Journal of Membrane Science, 2008, 320(1/2): 500-504.
[44] 谢永敏,王晓强,刘江,等.管式电解质支撑型直接碳固体氧化物燃料电池的浸渍法制备及电性能[J].物理化学学报,2017,33(2):386-392.
XIE Y M, WANG X Q, LIU J, et al. Fabrication and performance of tubular electrolyte-supporting direct carbon solid oxide fuel cell by dip coating technique[J]. Acta Physico-Chimica Sinica, 2017, 33(2): 386-392 (in Chinese).
[45] 杨志宾,郑紫微,朱腾龙,等.阳极支撑三层一体化结构电池的制备及性能[J].硅酸盐学报,2013,41(2):129-133.
YANG Z B, ZHENG Z W, ZHU T L, et al. Preparation and performance of tri-layer composite anode supported fuel cell[J]. Journal of the Chinese Ceramic Society, 2013, 41(2): 129-133 (in Chinese).
[46] ALFECHE D M, CERVERA R B. Highly conducting Sc and Y co-doped ZrO₂ thin film solid electrolyte on a porous Ni/YSZ electrode prepared via simple drop-coating method[J]. Ceramics International, 2020, 46(8): 10561-10567.
[47] CHO G Y, LEE Y H, HONG S W, et al. High-performance thin film solid oxide fuel cells with scandia-stabilized zirconia (ScSZ) thin film electrolyte[J]. International Journal of Hydrogen Energy, 2015, 40(45): 15704-15708.
[48] DA SILVA F S, DE SOUZA T M. Novel materials for solid oxide fuel cell technologies: a literature review[J]. International Journal of Hydrogen Energy, 2017, 42(41): 26020-26036.
[49] SREEDHAR I, AGARWAL B, GOYAL P, et al. Recent advances in material and performance aspects of solid oxide fuel cells[J]. Journal of Electroanalytical Chemistry, 2019, 848: 113315.
[50] AWANG M Z, NADARAJA S K, ZAKARIA Z, et al. Fabrication and characterization of YSZ/ScSZ bilayer electrolyte via cold-isostatic pressing (CIP) method for intermediate temperature-solid oxide fuel cell (IT-SOFC) application[J]. International Journal of Integrated Engineering, 2019, 11(7): 201-208.
[51] NOMURA K, MIZUTANI Y, KAWAI M, et al. Aging and Raman scattering study of scandia and yttria doped zirconia[J]. Solid State Ionics, 2000, 132(3/4): 235-239.
[52] FERGUS J W. Electrolytes for solid oxide fuel cells[J]. Journal of Power Sources, 2006, 162(1): 30-40.
[53] XUE Q N, HUANG X W, ZHANG H, et al. Synthesis and characterization of high ionic conductivity ScSZ core/shell nanocomposites[J]. Journal of Rare Earths, 2017, 35(6): 567-573.
[54] JIN C, MAO Y C, ZHANG N Q, et al. Fabrication and characterization of Ni-SSZ gradient anodes/SSZ electrolyte for anode-supported SOFCs by tape casting and co-sintering technique[J]. International Journal of Hydrogen Energy, 2015, 40(26): 8433-8441.
[55] YUAN K, SONG C, CHEN G, et al. Preparation of dense ScSZ thin films by plasma spraying with densified ScSZ powders[J]. International Journal of Hydrogen Energy, 2021, 46(15): 9749-9757.
[56] SHI H G, RAN R, SHAO Z P. Wet Powder spraying fabrication and performance optimization of IT-SOFCs with thin-film ScSZ electrolyte[J]. International Journal of Hydrogen Energy, 2012, 37(1): 1125-1132.
[57] CHIBA R, YOSHIMURA F, YAMAKI J, et al. Ionic conductivity and morphology in Sc₂O₃ and Al₂O₃ doped ZrO₂ films prepared by the Sol-gel method[J]. Solid State Ionics, 1997, 104(3/4): 259-266.
[58] YUAN F, WANG J X, MIAO H, et al. Investigation of the crystal structure and ionic conductivity in the ternary system (Yb₂O₃)_x-(Sc₂O₃)(0.11-x)-(ZrO₂)_0.89(x=0-0.11)[J]. Journal of Alloys and Compounds, 2013, 549: 200-205.
[59] SHIMAZU M, ISOBE T, ANDO S, et al. Stability of Sc₂O₃ and CeO₂ co-doped ZrO₂ electrolyte during the operation of solid oxide fuel cells[J]. Solid State Ionics, 2011, 182(1): 120-126.
[60] HIRANO M, ODA T, UKAI K, et al. Effect of Bi₂O₃ additives in Sc stabilized zirconia electrolyte on a stability of crystal phase and electrolyte properties[J]. Solid State Ionics, 2003, 158(3/4): 215-223.
[61] CAO J F, SU C, JI Y X, et al. Recent advances and perspectives of fluorite and perovskite-based dual-ion conducting solid oxide fuel cells[J]. Journal of Energy Chemistry, 2021, 57: 406-427.
[62] PUENTE-MARTÍNEZ D E, DÍAZ-GUILLÉN J A, MONTEMAYOR S M, et al. High ionic conductivity in CeO₂ SOFC solid electrolytes; effect of Dy doping on their electrical properties[J]. International Journal of Hydrogen Energy, 2020, 45(27): 14062-14070.
[63] KIM D J. Lattice parameters, ionic conductivities, and solubility limits in fluorite-structure MO₂ oxide[M=Hf⁴⁺, Zr⁴⁺, Ce⁴⁺, Th⁴⁺, U⁴⁺]solid solutions[J]. Journal of the American Ceramic Society, 1989, 72(8): 1415-1421.
[64] MOLENDA J, S＇WIERCZEK K, ZAJAC W. Functional materials for the IT-SOFC[J]. Journal of Power Sources, 2007, 173(2): 657-670.
[65] SUGIHARA K, ASAMOTO M, ITAGAKI Y, et al. A quantitative analysis of influence of Ni particle size of SDC-supported anode on SOFC performance: effect of particle size of SDC support[J]. Solid State Ionics, 2014, 262: 433-437.
[66] ARABACI A, ÖKSÜZÖMER M F. Preparation and characterization of 10mol% Gd doped CeO₂ (GDC) electrolyte for SOFC applications[J]. Ceramics International, 2012, 38(8): 6509-6515.
[67] 吉春艳,徐庆,廖园富,等.Gd(Sm)掺杂CeO₂的沉淀法合成与导电性能研究[J].电子元件与材料,2006,25(9):22-24+42.
JI C Y, XU Q, LIAO Y F, et al. Co-precipitation synthesis and oxygen ionic conducting properties of Gd-or Sm-doped CeO₂[J]. Electronic Components and Materials, 2006, 25(9): 22-24+42 (in Chinese).
[68] ZHOU M, ZHENG Y F, GE L, et al.Synthesis of Gd₂O₃ and Y₂O₃ co-doped ceria-based electrolyte materials for intermediate temperature SOFC[J]. Journal of the Chinese Ceramic Society, 2011, 06: 1012-1016.
[69] 邵凌波,田长安,梁升,等.固体氧化物燃料电池电解质材料Ce_0.8Sm_0.2-xCu_xO_1.9-δ的制备与性能研究[J].硅酸盐通报,2020,39(5):1608-1613.
SHAO L B, TIAN C G, LIANG S, et al. Preparation and properties of solid oxide fuel cell electrolyte material Ce_0.8Sm_0.2-xCu_xO_1.9-δ[J]. Bulletin of the Chinese Ceramic Society, 2020, 39(5): 1608-1613 (in Chinese).
[70] MAHESHWARI A, WIEMHÖFER H D. Sr²⁺-Gd³⁺ co-doped CeO₂: a cost-effective variant for IT-SOFC electrolytes[J]. Ceramics International, 2015, 41(7): 9122-9130.
[71] MACA K, CIHLAR J, CASTKOVA K, et al. Sintering of gadolinia-doped ceria prepared by mechanochemical synthesis[J]. Journal of the European Ceramic Society, 2007, 27(13/14/15): 4345-4348.
[72] CHITRAPRIYA N S, SANDHYA K, ASWATHY P K, et al. Sb³⁺ and Gd³⁺ co-doped cerium oxide nanocrystalline ceramic system: structural and dielectric studies[J]. Materials Today: Proceedings, 2019, 10: 46-51.
[73] 杨志宾,朱腾龙,项文龙,等.Li₂O助烧的Gd_0.1Ce_0.9O_1.95烧结过程及其电导性能研究[J].无机材料学报,2015,30(4):345-350.
YANG Z B, ZHU T L, XIANG W L, et al. Sintering behavior and electrical conductivity of Gd_0.1Ce_0.9O_1.95 with Li₂O additives[J]. Journal of Inorganic Materials, 2015, 30(4): 345-350 (in Chinese).
[74] STEELE B C H. Appraisal of Ce_1-yGd_yO_2-y/2 electrolytes for IT-SOFC operation at 500 ℃[J]. Solid State Ionics, 2000, 129(1/2/3/4): 95-110.
[75] GAO P P, BOLON A, TANEJA M, et al. Thermal expansion and elastic moduli of electrolyte materials for high and intermediate temperature solid oxide fuel cell[J]. Solid State Ionics, 2017, 300: 1-9.
[76] QIAN J L, GONG Z, WANG M, et al. Generating an electron-blocking layer with BaMn_1-xNi_xO₃ mixed-oxide for Ce_0.8Sm_0.2O_2-δ-based solid oxide fuel cells[J]. Ceramics International, 2018, 44(11): 12739-12744.
[77] YANG S H, CHOI H W. Fabrication of YSZ/GDC bilayer electrolyte thin film for solid oxide fuel cells[J]. Transactions on Electrical and Electronic Materials, 2014, 15(4): 189-192.
[78] SUN H B, GUO X, YU F Y, et al. Enhanced sinterability and electrical performance of Sm₂O₃ doped CeO₂/BaCeO₃ electrolytes for intermediate-temperature solid oxide fuel cells through Bi₂O₃ co-doping[J]. Ceramics International, 2019, 45(6): 7667-7672.
[79] HARWIG H A, GERARDS A G. Electrical properties of the α, β, γ, and δ phases of bismuth sesquioxide[J]. Journal of Solid State Chemistry, 1978, 26(3): 265-274.
[80] JIANG N X, WACHSMAN E D. Structural stability and conductivity of phase-stabilized cubic bismuth oxides[J]. Journal of the American Ceramic Society, 1999, 82(11): 3057-3064.
[81] SHUK P, WIEMHÖFER H D, GUTH U, et al. Oxide ion conducting solid electrolytes based on Bi₂O₃[J]. Solid State Ionics, 1996, 89(3/4): 179-196.
[82] LAURENT K, WANG G Y, TUSSEAU-NENEZ S, et al. Structure and conductivity studies of electrodeposited δ-Bi₂O₃[J]. Solid State Ionics, 2008, 178(33/34): 1735-1739.
[83] LUAN J P, ZHANG J D, YAO X M, et al. Controlled synthesis and growth mechanism of Bi₂O₃/YSZ solid electrolyte materials[J]. Ceramics International, 2016, 42(14): 16262-16265.
[84] RAGHVENDR A, SINGH P. Influence of Bi₂O₃ additive on the electrical conductivity of calcia stabilized zirconia solid electrolyte[J]. Journal of the European Ceramic Society, 2015, 35(5): 1485-1493.
[85] ERMIŞ Í, ARI M, ACER S D, et al. Phase stability and electric conductivity of Eu₂O₃-Tb₄O₇ co-doped Bi₂O₃ electrolyte[J]. International Journal of Hydrogen Energy, 2015, 40(30): 9485-9490.
[86] LI Y, WANG C Z. Investigation on pumping oxygen characteristics of (Bi₂O₃)_0.73(Y₂O₃)_0.27 solid electrolyte[J]. Journal of Rare Earths, 2008, 26(3): 337-340.
[87] ZHEN Q, KALE G M, SHI G, et al. Processing of dense nanocrystalline Bi₂O₃-Y₂O₃ solid electrolyte[J]. Solid State Ionics, 2005, 176(37/38): 2727-2733.
[88] TAKAHASHI T, ESAKA T, IWAHARA H. Conduction in Bi₂O₃-based oxide ion conductors under low oxygen pressure. I. Current blackening of the Bi₂O₃-Y₂O₃ electrolyte[J]. Journal of Applied Electrochemistry, 1977, 7(4): 299-302.
[89] FUNG K Z, VIRKAR A V. Phase stability, phase transformation kinetics, and conductivity of Y₂O₃-Bi₂O₃ solid electrolytes containing aliovalent dopants[J]. Journal of the American Ceramic Society, 1991, 74(8): 1970-1980.
[90] KRUIDHOF H, VRIES K J D, BURGGRAAF A. Thermochemical stability and nonstoichiometry of yttria-stabilized bismuth oxide solid solutions[J]. Solid State Ionics, 1990, 37: 213-215.
[91] CHEN R, ZHANG S L, LI C J, et al. Plasma-sprayed high-performance (Bi₂O₃)_0.75(Y₂O₃)_0.25 electrolyte for intermediate-temperature solid oxide fuel cells (IT-SOFCs)[J]. Journal of Thermal Spray Technology, 2021, 30(1/2): 196-204.
[92] PANUH D, MUHAMMED ALI S A, YULIANTO D, et al. Effect of yttrium-stabilized bismuth bilayer electrolyte thickness on the electrochemical performance of anode-supported solid oxide fuel cells[J]. Ceramics International, 2021, 47(5): 6310-6317.
[93] KOSTOGLOUDIS G C, FTIKOS C. Thermal expansion and electrical conductivity of (Bi₂O₃)_1-x(Pr₂O₁₁₃)_x solid electrolytes[J]. Journal of the European Ceramic Society, 1998, 18(12): 1711-1715.
[94] CHOU T, LIU L D, WEI W C J. Phase stability and electric conductivity of Er₂O₃-Nb₂O₅ co-doped Bi₂O₃ electrolyte[J]. Journal of the European Ceramic Society, 2011, 31(16): 3087-3094.
[95] LAARIF A, THEOBALD F. The lone pair concept and the conductivity of bismuth oxides Bi₂O₃[J]. Solid State Ionics, 1986, 21(3): 183-193.
[96] ISHIHARA T, MATSUDA H, TAKITA Y. ChemInform abstract: doped LaGaO₃ perovskite type oxide as a new oxide ionic conductor[J]. Journal of the American Ceramic Society, 1994, 116(9): 3801-3803.
[97] LAPINA A, LI S, BERGMAN B, et al. Synthesis of La_0.9Sr_0.1Ga_0.8Mg_0.2O_2.85 powder by gel combustion route with two-step doping strategy[J]. Journal of the European Ceramic Society, 2012, 32(10): 2325-2331.
[98] TRAINA K, HENRIST C, VERTRUYEN B, et al. Dense La_0.9Sr_0.1Ga_0.8Mg_0.2O_2.85 electrolyte for IT-SOFC’s: sintering study and electrochemical characterization[J]. Journal of Alloys and Compounds, 2010, 509(5): 1493-1500.
[99] KIM K J, CHOI S W, KIM M Y, et al. Fabrication characteristics of SOFC single cell with thin LSGM electrolyte via tape-casting and co-sintering[J]. Journal of Industrial and Engineering Chemistry, 2016, 42: 69-74.
[100] KUĞUOĞLU R S, ALTINÇEKIÇ T G, ÖZDEMIR H, et al. Preparation and characterization of La_0.8Sr_0.2Ga_0.83Mg_0.17O₃ electrolyte by polyol method for solid oxide fuel cells[J]. International Journal of Hydrogen Energy, 2012, 37(21): 16733-16738.
[101] YAMAJI K, HORITA T, ISHIKAWA M, et al. Chemical stability of the La_0.9Sr_0.1Ga_0.8Mg_0.2O_2.85 electrolyte in a reducing atmosphere[J]. Solid State Ionics, 1999, 121(1/2/3/4): 217-224.
[102] ZHANG X G, OHARA S, OKAWA H, et al. Interactions of a La_0.9Sr_0.1Ga_0.8Mg_0.2O_3-δ electrolyte with Fe₂O₃, Co₂O₃ and NiO anode materials[J]. Solid State Ionics, 2001, 139(1/2): 145-152.
[103] YI J Y, CHOI G M. The effect of reduction atmosphere on the LaGaO^-₃ based solid oxide fuel cell[J]. Journal of the European Ceramic Society, 2005, 25(12): 2655-2659.
[104] BI Z H, YI B L, WANG Z W, et al. A high-performance anode-supported SOFC with LDC-LSGM bilayer electrolytes[J]. Electrochemical and Solid-State Letters, 2004, 7(5): A105.
[105] HONG J E, INAGAKI T, IDA S, et al. Improved sintering and electrical properties of La-doped CeO₂ buffer layer for intermediate temperature solid oxide fuel cells using doped LaGaO₃ film prepared by screen printing process[J]. Journal of Solid State Electrochemistry, 2012, 16(4): 1493-1502.
[106] WANG L S, LI C X, LI C J, et al. Performance of La_0.8Sr_0.2Ga_0.8Mg_0.2O₃-based SOFCs with atmospheric plasma sprayed La-doped CeO₂ buffer layer[J]. Electrochimica Acta, 2018, 275: 208-217.
[107] WEI T, SINGH P, GONG Y H, et al. Sr_3-3xNa_3xSi₃O_9-1.5x (x=0.45) as a superior solid oxide-ion electrolyte for intermediate temperature-solid oxide fuel cells[J]. Energy Environ Sci, 2014, 7(5): 1680-1684.
[108] YAN B J, LI M, ZHANG J Y, et al. Structural and electrical properties of La_2-xBa_xMo₂O_9-x/2 (x=0-0.18)[J]. Materials Research Bulletin, 2010, 45(4): 382-387.
[109] SINGH P, GOODENOUGH J B. Monoclinic Sr_1-xNa_xSiO_3-0.5x: new superior oxide ion electrolytes[J]. Journal of the American Chemical Society, 2013, 135(27): 10149-10154.
[110] TIAN C A, SHAO L B, JI D D, et al. Synthesis and characterization of tungsten and Barium co-doped La₂Mo₂O₉ by sol-gel process for solid oxide fuel cells[J]. Journal of Rare Earths, 2019, 37(9): 984-988.