[3] [3] LIU T, WANG Y, ZHANG Y, et al. Steam electrolysis in a solid oxide electrolysis cell fabricated by the phase-inversion tape casting method［J］. Electrochem Commun, 2015, 61: 106-109.

[4] [4] KULKARNI A, CIACCHI F, GIDDEY S, et al. Mixed ionic electronic conducting perovskite anode for direct carbon fuel cells［J］. Int J Hydrogen Energy, 2012, 37(24): 19092-19102.

[5] [5] LIU J, ZHOU M, ZHANG Y, et al. Electrochemical oxidation of carbon at high temperature: principles and applications［J］. Energy fuel, 2017, 32(4): 4107-4117.

[6] [6] WU H, XIAO J, ZENG X, et al. A high performance direct carbon solid oxide fuel cell-A green pathway for brown coal utilization［J］. Appl Energy, 2019, 248: 679-687.

[7] [7] JIAO Y, TIAN W, CHEN H, et al. In situ catalyzed Boudouard reaction of coal char for solid oxide-based carbon fuel cells with improved performance［J］. Appl Energy, 2015, 141: 200-208.

[10] [10] GIDDEY S, KULKARNI A, MUNNINGS C, et al. Composite anodes for improved performance of a direct carbon fuel cell［J］. J Power Sources, 2015, 284: 122-129.

[11] [11] ZHU X, LI Y, LV Z. Continuous conversion of biomass wastes in a La0. 75Sr0. 25Cr0. 5Mn0. 5O3-δ based carbon-air battery［J］. Int J Hydrogen Energy, 2016, 41(9): 5057-5062.

[12] [12] CAI W, CAO D, ZHOU M, et al. Sulfur-tolerant Fe-doped La0.3Sr0.7TiO3 perovskite as anode of direct carbon solid oxide fuel cells［J］. Energy, 2020, 211: 118958.

[13] [13] CAI W, ZHOU M, CAO D, et al. Ni-doped A-site-deficient La0.7Sr0.3Cr0.5Mn0.5O3-δ perovskite as anode of direct carbon solid oxide fuel cells［J］. Int J Hydrogen Energy, 2020, 45(41): 21873- 21880.

[14] [14] NAKAGAWA N, ISHIDA M. Performance of an internal direct-oxidation carbon fuel cell and its evaluation by graphic exergy analysis［J］. Ind Eng Chem Res, 1988, 27(7): 1181-1185.

[15] [15] BAI Y, LIU Y, TANG Y, et al. Direct carbon solid oxide fuel cell-a potential high performance battery［J］. Int J Hydrogen Energy, 2011, 36(15): 9189-9194.

[16] [16] DUDEK M. On the utilization of coal samples in direct carbon solid oxide fuel cell technology［J］. Solid State Ionics, 2015, 271: 121-127.

[17] [17] XIE Y, TANG Y, LIU J. A verification of the reaction mechanism of direct carbon solid oxide fuel cells［J］. J Solid State Electrochem, 2013, 17(1): 121-127.

[18] [18] YU F, ZHANG Y, YU L, et al. All-solid-state direct carbon fuel cells with thin yttrium-stabilized-zirconia electrolyte supported on nickel and iron bimetal-based anodes［J］. Int J Hydrogen Energy, 2016, 41(21): 9048-9058.

[19] [19] LI J, WEI B, WANG C, et al. High-performance and stable La0.8Sr0.2Fe0.9Nb0.1O3-δ anode for direct carbon solid oxide fuel cells fueled by activated carbon and corn straw derived carbon［J］. Int J Hydrogen Energy, 2018, 43(27): 12358-12367.

[20] [20] LIU T, REN C, ZHANG Y, et al. Solvent effects on the morphology and performance of the anode substrates for solid oxide fuel cells［J］. J Power Sources, 2017, 363: 304-310.

[21] [21] ZHANG T, ZHAO Y, ZHANG X, et al. Thermal stability of an in situ exsolved metallic nanoparticle structured perovskite type hydrogen electrode for solid oxide cells［J］. ACS Sustain Chem Engin, 2019, 7(21): 17834-17844.

[22] [22] CAI W, LIU J, LIU P, et al. A direct carbon solid oxide fuel cell fueled with char from wheat straw［J］. Int J Energy Res, 2019, 43(7): 2468-2477.

[23] [23] CAI W, ZHOU Q, XIE Y, et al. A direct carbon solid oxide fuel cell operated on a plant derived biofuel with natural catalyst［J］. Appl Energy, 2016, 179: 1232-1241.

[24] [24] TANG Y, LIU J. Effect of anode and boudouard reaction catalysts on the performance of direct carbon solid oxide fuel cells［J］. Int J Hydrogen Energy, 2010, 35(20): 11188-11193.

[25] [25] ZHOU Q, CAI W, ZHANG Y, et al. Electricity generation from corn cob char though a direct carbon solid oxide fuel cell［J］. Biomass Bioenergy, 2016, 91: 250-258.

[26] [26] CAI W, ZHOU Q, XIE Y, et al. A facile method of preparing Fe-loaded activated carbon fuel for direct carbon solid oxide fuel cells［J］. Fuel, 2015, 159: 887-893.

[29] [29] LIU T, WANG Y, REN C, et al. Novel light-weight, high-performance anode-supported microtubular solid oxide fuel cells with an active anode functional layer［J］. J Power Sources, 2015, 293: 852-858