High-temperature solid oxide fuel cell anode material and preparation method thereof
By preparing proton conductor perovskite materials with high zirconium content and constructing proton-electron hybrid conductor materials, the problem of unstable high-temperature solid oxide fuel cell anode in hydrogen sulfide and carbon dioxide atmospheres is solved, and its stability and conductivity under these atmospheres are improved.
Patent Information
- Application Number
- CN202311825894.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2025-06-27
AI Technical Summary
The existing high-temperature solid oxide fuel cell anode is unstable in an atmosphere containing hydrogen sulfide and carbon dioxide, resulting in a degradation of performance.
Barium salt, zirconium salt and transition metal salt are used as raw materials to prepare proton conductor perovskite materials with high zirconium content through ball milling, heating, drying and sintering to construct proton-electron hybrid conductor materials.
The stability of the high-temperature solid oxide fuel cell anode in an atmosphere such as hydrogen sulfide is improved, and its proton conductivity and electronic conductivity are enhanced.
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Figure CN120221682A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of material preparation, and more specifically, to a high-temperature solid oxide fuel cell anode material and a preparation method thereof. Background Art
[0002] Currently, industrial large-scale hydrogen production is often carried out through coal-containing reactions, and impurity gases such as hydrogen sulfide generated therein will corrode the electrodes of solid oxide fuel cells, thereby degrading the performance. Currently, hydrogen separation membranes with a high cerium composition cannot operate stably in an atmosphere containing hydrogen sulfide. Therefore, there is an urgent need to prepare a high-temperature solid oxide fuel cell anode that can operate stably in an atmosphere containing hydrogen sulfide and carbon dioxide, etc. Summary of the Invention
[0003] The present application aims to solve or improve the above technical problems.
[0004] To this end, the first object of the present application is to provide a preparation method of a high-temperature solid oxide fuel cell anode material.
[0005] The second object of the present application is to provide a high-temperature solid oxide fuel cell anode material.
[0006] To achieve the first object of the present application, the technical solution of the first aspect of the present application provides a preparation method of a high-temperature solid oxide fuel cell anode material, including: placing barium salt, zirconium salt, and transition metal salt into a ball milling tank; adding ethanol into the ball milling tank and ball milling for a first predetermined period of time by a ball mill to obtain a solid-liquid mixture; heating and drying the solid-liquid mixture to obtain a precursor of a proton-electron mixed conductor material; and sintering the precursor to obtain a proton-electron mixed conductor material.
[0007] According to the preparation method of the high-temperature solid oxide fuel cell anode material provided by the present application, first, barium salt, zirconium salt, and transition metal salt are placed into a ball milling tank, ethanol is added into the ball milling tank, and ball milling is carried out for a first predetermined period of time by a ball mill to obtain a solid-liquid mixture. Then, the solid-liquid mixture is heated and dried to obtain a precursor of a proton-electron mixed conductor material. Finally, the precursor is sintered to obtain a proton-electron mixed conductor material. The proton conductor perovskite material with a high zirconium content is used for the anode of a high-temperature solid oxide fuel cell, which can protect the fuel cell system from being poisoned. The proton conductor perovskite material with a high zirconium content is doped with transition metal elements to construct a proton-electron mixed conductor material, which can improve the stability of the high-temperature solid oxide fuel cell anode in an atmosphere containing hydrogen sulfide, etc., and further improve the proton conductivity and electron conductivity of the high-temperature solid oxide fuel cell anode.
[0008] In addition, the technical solution provided by the present application may also have the following additional technical features:
[0009] In some technical solutions, optionally, the transition metal salt includes at least one of the following: iron salt, cobalt salt, nickel salt, copper salt, zinc salt.
[0010] In this technical solution, the transition metal salt can be an iron salt, a cobalt salt, a nickel salt, a copper salt or a zinc salt.
[0011] In some technical solutions, optionally, the barium salt includes barium carbonate.
[0012] In this technical solution, the barium salt includes barium carbonate.
[0013] In some technical solutions, optionally, the zirconium salt includes zirconia.
[0014] In this technical solution, the zirconium salt includes zirconia.
[0015] In some technical solutions, optionally, the rotation speed of the ball mill is 300 rpm to 400 rpm.
[0016] In this technical solution, the rotation speed of the ball mill is 300 rpm to 400 rpm.
[0017] In some technical solutions, optionally, the drying temperature is 70 °C to 100 °C.
[0018] In this technical solution, the drying temperature is 70 °C to 100 °C.
[0019] In some technical solutions, optionally, the sintering temperature is 800 °C to 1150 °C.
[0020] In this technical solution, the sintering temperature is 800 °C to 1150 °C.
[0021] In some technical solutions, optionally, the sintering time is 5 h to 20 h.
[0022] In this technical solution, the sintering time is 5 h to 20 h.
[0023] In some technical solutions, optionally, the first predetermined time period is 19 h - 21 h.
[0024] In this technical solution, the first predetermined time period is 19 h - 21 h.
[0025] In some technical solutions, optionally, sintering the precursor to obtain a proton-electron mixed conductor material includes: sintering the precursor in an air atmosphere to obtain a proton-electron mixed conductor material.
[0026] In this technical solution, sintering the precursor to obtain a proton-electron mixed conductor material specifically means sintering the precursor in an air atmosphere to obtain a proton-electron mixed conductor material.
[0027] In some technical solutions, optionally, the preparation method of the anode material of the high-temperature solid oxide fuel cell further includes: pressing the powder of the proton-electron mixed conductor material to obtain the anode material of the high-temperature solid oxide fuel cell.
[0028] In this technical solution, the preparation method of the anode material of the high-temperature solid oxide fuel cell further includes pressing the powder of the proton-electron mixed conductor material to obtain the anode material of the high-temperature solid oxide fuel cell.
[0029] In some technical solutions, optionally, the chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr a X b O 3-δ ; a + b = 1; δ is 0 to 0.5.
[0030] In this technical solution, the chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr a X b O 3-δ . a + b = 1. δ is 0 to 0.5.
[0031] In some technical solutions, optionally, the chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr 0.5 X 0.5 O 3-δ ; wherein, δ is 0 to 0.5.
[0032] In this technical solution, the chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr 0.5 X 0.5 O 3-δ . δ is 0 to 0.5.
[0033] In some technical solutions, optionally, X is a transition metal element, and the transition metal element includes one of the following: iron, cobalt, nickel, copper, zinc.
[0034] In this technical solution, X is a transition metal element, such as iron, cobalt, nickel, copper, zinc.
[0035] In some technical solutions, optionally, heating and drying the solid-liquid mixture to obtain the precursor of the proton-electron mixed conductor material includes: heating the solid-liquid mixture at 70°C to 100°C; drying the heated solid-liquid mixture to obtain the precursor of the proton-electron mixed conductor material.
[0036] In this technical solution, the solid-liquid mixture is heated and dried to obtain a precursor of the proton-electron mixed conductor material. Specifically, the solid-liquid mixture is first heated at 70°C to 100°C. Then, the heated solid-liquid mixture is dried to obtain the precursor of the proton-electron mixed conductor material.
[0037] In some technical solutions, optionally, the mass ratio of the barium salt, zirconium salt and transition metal salt is (0.9 - 1.1):(0.9 - 1.1).
[0038] In this technical solution, the mass ratio of the barium salt, zirconium salt and transition metal salt is (0.9 - 1.1):(0.9 - 1.1). Specifically, the mass ratio of the barium salt, zirconium salt and transition metal salt is 1:1. The mass ratio of the barium salt, zirconium salt and transition metal salt is barium salt:zirconium salt:transition metal salt = 1:0.5:0.5
[0039] To achieve the second object of the present application, the technical solution of the second aspect of the present application provides a high-temperature solid oxide fuel cell anode material, which is prepared by using the preparation method of the high-temperature solid oxide fuel cell anode material in any one of the technical solutions in the first aspect of the present application. Therefore, it has the technical effects of any one of the technical solutions in the first aspect, which will not be elaborated here.
[0040] In some technical solutions, optionally, the chemical formula of the high-temperature solid oxide fuel cell anode material is: BaZr a X b O 3-δ ; where a + b = 1; δ is 0 to 0.5.
[0041] In this technical solution, the chemical formula of the high-temperature solid oxide fuel cell anode material is: BaZr a X b O 3-δ . a + b = 1. δ is 0 to 0.5.
[0042] In some technical solutions, optionally, X is a transition metal element, and the transition metal element includes one of the following: iron, cobalt, nickel, copper, zinc.
[0043] In this technical solution, X is a transition metal element, such as iron, cobalt, nickel, copper, zinc.
[0044] In some technical solutions, optionally, the chemical formula of the high-temperature solid oxide fuel cell anode material is: BaZr 0.5 X 0.5 O 3-δ ; where δ is 0 to 0.5.
[0045] In this technical solution, the chemical formula of the high-temperature solid oxide fuel cell anode material is: BaZr 0.5X 0.5 O 3-δ δ is from 0 to 0.5.
[0046] Additional aspects and advantages of the present application will become apparent in the following description section or be learned through the practice of the present application. Description of the Drawings
[0047] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, where:
[0048] Figure 1 is a schematic flow chart of the steps of a method for preparing an anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application;
[0049] Figure 2 is a schematic flow chart of the steps of a method for preparing an anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application;
[0050] Figure 3 is a schematic flow chart of the steps of a method for preparing an anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application;
[0051] Figure 4 is a schematic flow chart of the steps of a method for preparing an anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application;
[0052] Figure 5 is the X-ray diffraction spectrum of a method for preparing an anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application. Detailed Embodiments
[0053] In order to more clearly understand the above objects, features, and advantages of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0054] Many specific details are set forth in the following description in order to fully understand the present application. However, the present application may be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.
[0055] The following refers to Figures 1 to 5 Describe the anode material of a high-temperature solid oxide fuel cell and its preparation method according to some embodiments of the present application.
[0056] As Figure 1 shown, an embodiment of the first aspect of the present application provides a method for preparing an anode material of a high-temperature solid oxide fuel cell, including the following steps:
[0057] Step S102: Place barium salt, zirconium salt, and transition metal salt into a ball milling tank;
[0058] Step S104: Add ethanol into the ball milling tank and ball mill for a first predetermined period of time by a ball mill to obtain a solid-liquid mixture;
[0059] Step S106: Heat and dry the solid-liquid mixture to obtain a precursor of the proton-electron mixed conductor material;
[0060] Step S108: Sinter the precursor to obtain the proton-electron mixed conductor material.
[0061] According to the preparation method of the high-temperature solid oxide fuel cell anode material provided in this embodiment, first place barium salt, zirconium salt, and transition metal salt into a ball milling tank, add ethanol into the ball milling tank, and ball mill for a first predetermined period of time by a ball mill to obtain a solid-liquid mixture. Then heat and dry the solid-liquid mixture to obtain a precursor of the proton-electron mixed conductor material. Finally, sinter the precursor to obtain the proton-electron mixed conductor material. The proton conductor perovskite material with a high zirconium content is used for the high-temperature solid oxide fuel cell anode, which can protect the fuel cell system from being poisoned. The proton conductor perovskite material with a high zirconium content is doped with transition metal elements to construct a proton-electron mixed conductor material, which can improve the stability of the high-temperature solid oxide fuel cell anode in an atmosphere containing hydrogen sulfide, etc., and further improve the proton conductivity and electron conductivity of the high-temperature solid oxide fuel cell anode.
[0062] In some embodiments, optionally, the transition metal salt can be iron salt, cobalt salt, nickel salt, copper salt or zinc salt.
[0063] In some embodiments, optionally, the barium salt includes barium carbonate.
[0064] In some embodiments, optionally, the zirconium salt includes zirconium oxide.
[0065] In some embodiments, optionally, the rotation speed of the ball mill is 300 rpm to 400 rpm.
[0066] In some embodiments, optionally, the drying temperature is 70 °C to 100 °C.
[0067] In some embodiments, optionally, the sintering temperature is 800 °C to 1150 °C.
[0068] In some embodiments, optionally, the sintering time is 5 h to 20 h.
[0069] In some embodiments, optionally, the first predetermined period of time is 19 h - 21 h.
[0070] AsFigure 2 As shown, in the preparation method of the anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application, the precursor is sintered to obtain a proton-electron mixed conductor material, which specifically includes the following steps:
[0071] Step S202: Sinter the precursor in an air atmosphere to obtain a proton-electron mixed conductor material.
[0072] In this embodiment, sintering the precursor to obtain a proton-electron mixed conductor material specifically means sintering the precursor in an air atmosphere to obtain a proton-electron mixed conductor material.
[0073] As Figure 3 shown, the preparation method of the anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application further includes the following steps:
[0074] Step S302: Press the powder of the proton-electron mixed conductor material to obtain the anode material of the high-temperature solid oxide fuel cell.
[0075] In this embodiment, pressing the powder of the proton-electron mixed conductor material to obtain the anode material of the high-temperature solid oxide fuel cell.
[0076] In some embodiments, optionally, the chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr a X b O 3-δ . a + b = 1. δ is 0 to 0.5.
[0077] In some embodiments, optionally, the chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr 0.5 X 0.5 O 3-δ . δ is 0 to 0.5.
[0078] In some embodiments, optionally, X is a transition metal element, such as iron, cobalt, nickel, copper, zinc.
[0079] As Figure 4 shown, in the preparation method of the anode material of a high-temperature solid oxide fuel cell according to an embodiment of the present application, the solid-liquid mixture is heated and dried to obtain a precursor of the proton-electron mixed conductor material, which specifically includes the following steps:
[0080] Step S402: Heat the solid-liquid mixture at 70°C to 100°C;
[0081] Step S404: Dry the heated solid-liquid mixture to obtain a precursor of the proton-electron mixed conductor material.
[0082] In this embodiment, the solid-liquid mixture is heated and dried to obtain a precursor of the proton-electron mixed conductor material. Specifically, the solid-liquid mixture is first heated at 70 °C to 100 °C. Then, the heated solid-liquid mixture is dried to obtain the precursor of the proton-electron mixed conductor material.
[0083] In some embodiments, optionally, the mass ratio of barium salt, zirconium salt to transition metal salt is (0.9 - 1.1):(0.9 - 1.1). Specifically, the mass ratio of barium salt, zirconium salt to transition metal salt is 1:1. The mass ratio of barium salt, zirconium salt, and transition metal salt is barium salt:zirconium salt:transition metal salt = 1:0.5:0.5
[0084] The embodiment of the second aspect of the present application provides a high-temperature solid oxide fuel cell anode material, which is prepared by using the preparation method of the high-temperature solid oxide fuel cell anode material in any of the above-mentioned first aspects. Therefore, it has the technical effects of any of the above-mentioned first aspects, which will not be elaborated here.
[0085] In some embodiments, optionally, the chemical formula of the high-temperature solid oxide fuel cell anode material is: BaZr a X b O 3-δ . X is a transition metal element, such as iron, cobalt, nickel, copper, zinc. a + b = 1. δ is 0 to 0.5.
[0086] In some embodiments, optionally, the chemical formula of the high-temperature solid oxide fuel cell anode material is: BaZr 0.5 X 0.5 O 3-δ . δ is 0 to 0.5.
[0087] According to the preparation method of the high-temperature solid oxide fuel cell anode material provided by a specific embodiment of the present application, it is used to solve the problems of unstable membrane structure and low proton-electron conductivity of the high-temperature solid oxide fuel cell anode in a CO2-containing atmosphere in the prior art.
[0088] Specifically, on the one hand, this embodiment provides a proton-electron mixed conductor material, and the chemical formula of the proton-electron mixed conductor material is: BaZr a X b O 3-δ , where X is a transition metal element, such as Fe, Co, Ni, Cu, Zn, etc.; a + b = 1; δ is selected from 0 to 0.5.
[0089] On the other hand, the preparation method of the proton-electron mixed conductor material provided in this embodiment includes: providing a precursor of the proton-electron mixed conductor material, and sintering the precursor to form the proton-electron mixed conductor material.
[0090] The preparation method of the precursor includes:
[0091] 1) Put barium salt, zirconium salt, and transition metal salt into a ball milling tank, add ethanol, and ball mill for 20 hours through a ball mill;
[0092] 2) Heat the solid-liquid mixture obtained in step 1) and dry it to obtain the precursor.
[0093] In step 1), the barium salt is selected from barium carbonate.
[0094] In step 1), the zirconium salt is selected from zirconium oxide.
[0095] In step 1), the rotation speed of the ball mill is 300 - 400 rpm.
[0096] In step 2), the heating temperature is 70°C - 100°C.
[0097] The sintering temperature is 800 - 1150°C.
[0098] Sinter in an air atmosphere.
[0099] The sintering time is 5 - 20 hours.
[0100] On the other hand, this embodiment provides the use of the proton-electron mixed conductor material in a high-temperature solid oxide fuel cell.
[0101] Example 1:
[0102] A preparation method of an anode material for a high-temperature solid oxide fuel cell includes:
[0103] Step S1: Put barium salt, zirconium salt, and transition metal salt into a ball milling tank. The ratio of barium salt, zirconium salt, and transition metal salt is 1:0.8:0.2, and the mass is 9.866 g of barium nitrate, 4.928 g of zirconium oxide, and 0.746 g of nickel oxide;
[0104] Step S2: Add 80 g of ethanol to the ball milling tank and ball mill for 5 hours through a ball mill to obtain a solid-liquid mixture
[0105] Step S3: Heat and dry the solid-liquid mixture to obtain a precursor of the proton-electron mixed conductor material;
[0106] Step S4: Sinter the precursor to obtain the proton-electron mixed conductor material.
[0107] Determined by EDS (energy spectrum analysis), the composition of the proton-electron mixed conductor material is that the ratio of barium salt, zirconium salt, and transition metal salt is 1:0.8:0.2.
[0108] Example 2:
[0109] A preparation method of an anode material for a high-temperature solid oxide fuel cell, comprising:
[0110] Step S1: Place barium salt, zirconium salt, and transition metal salt into a ball mill tank. The ratio of barium salt, zirconium salt, and transition metal salt is 1:0.9:0.1, and the mass is 9.866 g of barium nitrate, 5.545 g of zirconium oxide, and 0.8 g of iron oxide.
[0111] Step S2: Add 80 g of ethanol to the ball mill tank and ball mill for 5 hours through a ball mill to obtain a solid-liquid mixture
[0112] Step S3: Heat and dry the solid-liquid mixture to obtain a precursor of a proton-electron mixed conductor material;
[0113] Step S4: Sinter the precursor to obtain a proton-electron mixed conductor material.
[0114] Through energy spectrum analysis and determination, the composition of the proton-electron mixed conductor material is that the ratio of barium salt, zirconium salt, and transition metal salt is 1:0.9:0.1.
[0115] As Figure 5 shown, through determination by an X-ray diffractometer, the X-ray diffraction spectrum obtained after heat treatment at 600 °C for 5 hours in an atmosphere containing 20% by volume of carbon dioxide (the remaining gas is hydrogen) shows that no phase change occurs in the material, indicating that the material can remain stable in an atmosphere containing carbon dioxide.
[0116] In summary, the beneficial effects of the embodiments of the present application are as follows: The stability of the anode of the high-temperature solid oxide fuel cell at the working temperature is greatly improved, which can provide more options for the stable operation and application of the high-temperature solid oxide fuel cell. A perovskite ceramic material with a high zirconium content is used as a proton conductor for the fuel electrode of the fuel cell to protect the fuel cell system from being poisoned.
[0117] In the present application, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. Terms such as "installed", "connected", "connected to", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0118] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or module referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.
[0119] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0120] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.
Claims
1. A preparation method of an anode material for a high-temperature solid oxide fuel cell, characterized in that, Comprising: Placing barium salt, zirconium salt, and transition metal salt into a ball milling tank; Adding ethanol into the ball milling tank and ball milling for a first predetermined period of time by a ball mill to obtain a solid-liquid mixture; Heating and drying the solid-liquid mixture to obtain a precursor of the proton-electron mixed conductor material; Sintering the precursor to obtain the proton-electron mixed conductor material.
2. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The transition metal salt includes at least one of the following: iron salt, cobalt salt, nickel salt, copper salt, zinc salt.
3. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The barium salt includes barium carbonate.
4. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The zirconium salt includes zirconia.
5. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The rotation speed of the ball mill is 300 rpm - 400 rpm.
6. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The temperature of the heating is 70°C - 100°C.
7. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The temperature of the sintering is 800°C - 1150°C.
8. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The time of the sintering is 5 h - 20 h.
9. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 1, wherein The first predetermined period of time is 19 h - 21 h.
10. The preparation method of the anode material for a high-temperature solid oxide fuel cell according to any one of claims 1 to 9, characterized in that, The sintering the precursor to obtain the proton-electron mixed conductor material includes: Sintering the precursor in an air atmosphere to obtain the proton-electron mixed conductor material.
11. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to any one of claims 1 to 9 further includes: Tabletting the powder of the proton-electron mixed conductor material to obtain the anode material of the high-temperature solid oxide fuel cell.
12. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 11, wherein The chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr a X b O 3-δ ; a + b = 1; The δ is 0 - 0.
5.
13. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 12, wherein The chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr 0.5 X 0.5 O 3-δ ; Wherein, the δ is 0 - 0.
5.
14. The method for preparing the anode material of a high-temperature solid oxide fuel cell according to claim 12, wherein The X is a transition metal element, and the transition metal element includes one of the following: iron, cobalt, nickel, copper, zinc.
15. The preparation method of the anode material for a high-temperature solid oxide fuel cell according to any one of claims 1 to 9, characterized in that The heating and drying the solid-liquid mixture to obtain the precursor of the proton-electron mixed conductor material includes: Heating the solid-liquid mixture at 70°C - 100°C; Drying the heated solid-liquid mixture to obtain the precursor of the proton-electron mixed conductor material.
16. The preparation method of the anode material for a high-temperature solid oxide fuel cell according to any one of claims 1 to 9, characterized in that the mass ratio of the barium salt, the zirconium salt and the transition metal salt is (0.9-1.1):(0.9-1.1).
17. A high-temperature solid oxide fuel cell anode material, characterized in that, It is prepared by using the preparation method of the anode material for a high-temperature solid oxide fuel cell according to any one of claims 1 to 16.
18. The anode material for a high-temperature solid oxide fuel cell according to claim 17, characterized in that The chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr a X b O 3-δ ; wherein a + b = 1; the δ is 0 to 0.
5.
19. The anode material for a high-temperature solid oxide fuel cell according to claim 18, characterized in that the X is a transition metal element, and the transition metal element includes one of the following: iron, cobalt, nickel, copper, zinc.
20. The anode material for a high-temperature solid oxide fuel cell according to claim 19, characterized in that The chemical formula of the anode material of the high-temperature solid oxide fuel cell is: BaZr 0.5 X 0.5 O 3-δ ; wherein, δ is 0 to 0.5.