CN102208662A - Rare-earth element-doped BaFeO3-delta-based ABO3 type perovskite fuel cell cathode material and application thereof - Google Patents
Rare-earth element-doped BaFeO3-delta-based ABO3 type perovskite fuel cell cathode material and application thereof Download PDFInfo
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- CN102208662A CN102208662A CN2011100990991A CN201110099099A CN102208662A CN 102208662 A CN102208662 A CN 102208662A CN 2011100990991 A CN2011100990991 A CN 2011100990991A CN 201110099099 A CN201110099099 A CN 201110099099A CN 102208662 A CN102208662 A CN 102208662A
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- Y02E60/30—Hydrogen technology
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Abstract
The invention relates to a rare-earth element-doped BaFeO3-delta-based ABO3 type perovskite fuel cell cathode material. The cathode material is a perovskite oxide, the molecular formula of which is Ba1-xLnxFe1-yLnyO3-delta, wherein Ln is selected from one of Sc, Y and lanthanide series element; only one of x and y is 0, x is more than or equal to 0 and less than 1, and y is more than or equal to 0 and less than 1; and delta is oxygen hole concentration and is more than -0.5 and less than 0.5. The cathode material is synthesized by adopting a sol-gel method or a solid phase reaction method. The cathode material and the traditional electrolyte such as yttria stabilized zirconia (YSZ), samaria-doped ceria (SDC) and the like have matched thermal expansion coefficients, and the cathode material shows mixed electric conductivity of oxygen ions and electrons in the air atmosphere. The material shows good oxygen reduction activity in a temperature range of between 500 and 800 DEG C, and is suitable for medium and low-temperature solid oxide fuel cells.
Description
Technical field
The invention belongs to the fuel cell technology field, be specifically related to a kind of rare earth doped BaFeO
3-δThe ABO of base
3Type perovskite intermediate temperature solid oxide fuel cell cathode material.
Background technology
Solid Oxide Fuel Cell is converted into electric energy as a kind of electrochemical energy conversion equipment with the chemical energy in the fuel, has the energy conversion efficiency height, an outstanding advantage such as pollutant emission is few and fuel is applied widely.The operating temperature of traditional SOFC is up to 1000 ℃, and so high operating temperature can guarantee that electrolyte has sufficiently high oxygen ionic conductivity and negative electrode that oxygen is had good catalytic activity.Yet also introduced a series of problem: the sintering that promotes porous electrode, thereby the interface phase reaction between accelerating electrode and the electrolyte has increased the interfacial polarization resistance of battery greatly, simultaneously the sealing of battery and the auxiliary device of bipolar plate material and battery has been proposed harsh requirement.
Traditional SOFC cathode material is La
1-xSr
xMnO
3(LSM), because itself and Y
2O
3Stable ZrO
2(YSZ) electrolyte has excellent compatibility, high chemistry and outstanding advantage such as structural stability and highly electron conductive, and it remains high temperature cathode material the most commonly used at present.The distinguishing feature of LSM is not have under the situation of polarization current to be pure electronic conductor, thereby oxygen is confined to electrode-electric in the electrochemical reduction strictness on the battery that with LSM is negative electrode and separates on matter-air three phase boundary.Yet along with the reduction of temperature, LSM cathodic polarization resistance sharply rises, and causes the power density of battery to descend fast.The middle cryogenic property that how to improve negative electrode becomes the key point of low temperatureization among the present SOFC.Adopt mixed oxygen ion electronic conductor oxide as cathode material, can successfully the electrode reaction zone be expanded to the surface of entire electrode from traditional three phase boundary, and then improved electrode greatly at low temperatures to the activity function of oxygen, thereby the mixed conductive cathode material of development of new becomes the most popular research field of low temperatureization in the Solid Oxide Fuel Cell in recent years.
At present the mixed conductor oxide mostly is and contains cobalt/cobalt oxide, and its outstanding feature is that reduction has good catalytic activity to the oxygen electrochemical reaction, but this type of contains cobalt/cobalt oxide and all has higher thermal coefficient of expansion and lower steady chemical structure usually.The perovskite type cathode of non-cobalt-based is compared with the LSM negative electrode, when middle low temperature, have higher chemical property, compare, have low thermal coefficient of expansion again with the perovskite-type material that contains cobalt, high chemical stability and thermal stability are the very potential cathode materials of a class.
Summary of the invention
The object of the invention provides a kind of rare earth doped BaFeO for the deficiency of improving existing intermediate temperature solid oxide fuel cell cathode material
3-δThe ABO of base
3Type perovskite fuel battery cathode material, another object of the present invention provide the application of above-mentioned cathode material in the intermediate temperature solid oxide fuel cell cathode material.
Technical scheme of the present invention is: rare earth doped BaFeO
3-δThe ABO of base
3Type perovskite fuel battery cathode material, the molecular formula that it is characterized in that described material is Ba
1-xLn
xFe
1-yLn
yO
3-δPerovskite oxide, wherein Ln is selected from Sc, Y or lanthanide series a kind of; X, y have and have only one to be 0, and 0≤x＜1,0≤y＜1, preferred 0≤x≤0.2,0≤y≤0.2; δ is an oxygen vacancies concentration ,-0.5＜δ＜0.5.
Preferred described lanthanide series is a kind of of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy or Yb.
The present invention is at BaFeO
3-δThe A position of base or B position are carried out rare earth doped on a small quantity, can improve the performance of cathode material, and the hybrid conductive performance of reinforcing material, these advantages make material of the present invention become the ideal material of intermediate temperature solid oxide fuel cell negative electrode.
Material of the present invention can adopt sol-gel process to synthesize, and also can adopt solid reaction process synthetic.Synthesize example with sol-gel process below and introduce preparation methods of the present invention.Product B a according to target
1-xLn
xFe
1-yLn
yO
3-δ(x, y have and have only one to be 0, and 0≤x＜1,0≤y＜1;-0.5＜δ＜0.5) metering of chemical formula ratio is with the Ln (NO of certain mass
3)
x, Ba (NO
3)
2, Fe (NO
3)
3Solution adds in the deionized water, it is even that stirring makes it, again by metal population of ions: EDTA: citric acid (mol ratio)=1～2: 1～2: 2～3 amount takes by weighing EDTA and citric acid respectively, EDTA is dissolved in ammoniacal liquor and stirs and to pour in the nitrate solution that has prepared after making it to dissolve fully, the pH value that adds citric acid again and come regulator solution with ammoniacal liquor is between the 6-8, heating is stirred to and forms transparent colloidal sol, further colloidal sol is placed air dry oven, obtain solid precursor behind the dry 5-10h down at 200-250 ℃, then solid precursor is put into Muffle furnace, 800-1100 ℃ of roasting 1-10h in air atmosphere promptly gets required cathode powder material.
The present invention also provides above-mentioned rare earth doped BaFeO
3-δThe ABO of base
3The application of type perovskite fuel battery cathode material in the intermediate temperature solid oxide fuel cell cathode material.
Material of the present invention can be applicable to the cathode material of Solid Oxide Fuel Cell.Make the battery sheet of anode-supported with The tape casting, anode is to be that 50-100%NiO and 0-50%YSZ high-energy ball milling (FRITSCH, Pulverisette 6) mix by mass fraction.The electrolyte of anode-supported is calcined 5-10h down to form fine and close electrolytic thin-membrane at 1200-1500 ℃.Then the cathode powder that makes is blended in the organic solvent, make spray on the dielectric substrate after the cathode slurry after, 1000-1300 ℃ down calcining 1-5h make the cathode layer of porous.
The electrolyte of the battery of the present invention design adopts the zirconia (YSZ) or in the lanthanum gallium based perovskite type oxide (as LSGM) one or both of zirconia (ScSZ), the stabilized with yttrium oxide of cerium oxide (YDC), gadolinium oxide doping of cerium oxide (GDC), the scandia stabilized of samarium oxide doping of cerium oxide (SDC), Yttrium oxide doping.
The designed Solid Oxide Fuel Cell of the present invention can adopt tubular type or flat design, and battery configuration can adopt anode support type or electrolyte-supporting type, and the operating temperature of battery is between 500-800 ℃.
The I-V curve test of fuel cell is to act as a fuel with hydrogen, and ambient air is as oxidant, and the digital instrument of controlling by computer records, and the flow of hydrogen is that elargol is as current collector by flow controller control.
Beneficial effect:
Cathode material of the present invention and YSZ, SDC etc. are traditional, and electrolyte has matched coefficient of thermal expansion, has compatibility preferably, shows oxonium ion and electronics mixed conductivity in air atmosphere.This material shows good oxygen catalytic reduction activity in 500-800 ℃ of temperature range, be applicable to the cathode material of intermediate temperature solid oxide fuel cell.
Description of drawings
Fig. 1 is institute's invention material (a) Ba
1-xLa
xFeO
3-δ(b) BaPr
xFe
1-xO
3-δThe X-ray diffraction curve chart of (x=0,0.05,0.1,0.2).
Fig. 2 is the Ba in the embodiment of the invention 3
0.95La
0.05FeO
3-δThe material coefficient of thermal expansion performance map.
Fig. 3 is the Ba in the embodiment of the invention 4
1-xLa
xFeO
3-δThe hybrid conductive performance figure of (x=0,0.05,0.1,0.2) material.
Fig. 4 is the BaPr in the embodiment of the invention 5
0.05Fe
0.95O
3-δMaterial is as the I-V and the I-P curve chart of the monocell of negative electrode.
Fig. 5 is the Ba in the embodiment of the invention 6
0.9La
0.1FeO
3-δMaterial is as the I-V and the I-P curve chart of the monocell of negative electrode.
Fig. 6 is the Ba in the embodiment of the invention 6
0.9La
0.1FeO
3-δMaterial is as the SEM image in the monocell cross section of negative electrode.
Embodiment
Material involved in the present invention comprises but is not limited to material in following examples.
Embodiment 1:Ba
1-xLa
xFeO
3-δThe preparation of (x=0.05,0.1,0.2) cathode material
Ba
1-xLa
xFeO
3-δ(x=0.05,0.1,0.2) is synthetic by EDTA-citric acid associating complexometry, and this synthetic method belongs to sol-gel process.With Ba (NO
3)
2, La (NO
3)
3, Fe (NO
3)
3According to target proportion of products is dissolved in deionized water, is made into the nitrate solution of mixing.According to metal ion sum: EDTA: the mol ratio of citric acid is to add an amount of EDTA-ammoniacal liquor and citric acid at 1: 1: 2, and the pH value to 6 of coming regulator solution with ammoniacal liquor, on 100 ℃ of heating stations, evaporate and remove moisture and make it to become gel stirring precursor aqueous solution after the clarification, place air dry oven to obtain solid precursor behind the dry 5h down then at 250 ℃, with solid precursor 1050 ℃ of roasting 5h in Muffle furnace, promptly get required Ba at last
1-xLa
xFeO
3-δ(x=0.05,0.1,0.2) cathode material, wherein-0.5＜δ＜0.5.XRD powder diffraction method shown in Fig. 1 (a) is measured and is shown Ba
1-xLa
xFeO
3-δ(x=0.05,0.1,0.2) has formed the perovskite structure of pure phase.
Embodiment 2:BaPr
xFe
1-xO
3-δThe preparation of (x=0.05,0.1,0.2) cathode material
BaPr
xFe
1-xO
3-δ(x=0.05,0.1,0.2) is synthetic by EDTA-citric acid associating complexometry, and this synthetic method belongs to sol-gel process.Proportion of products according to target is with Ba (NO
3)
2, Pr (NO
3)
3, Fe (NO
3)
3Be dissolved in deionized water, be made into the nitrate solution of mixing.According to metal ion sum: EDTA: the mol ratio of citric acid is to add an amount of EDTA-ammoniacal liquor and citric acid at 1: 2: 3, and the pH value to 7 of coming regulator solution with ammoniacal liquor, on 120 ℃ of heating stations, evaporate and remove moisture and make it to become gel stirring precursor aqueous solution after the clarification, place air dry oven to obtain solid precursor behind the dry 6h down then at 240 ℃, with solid precursor 950 ℃ of roasting 10h in Muffle furnace, promptly get required BaPr at last
xFe
1-xO
3-δ(x=0.05,0.1,0.2) cathode material, wherein-0.5＜δ＜0.5.XRD powder diffraction method shown in Fig. 1 (b) is measured and is shown BaPr
xFe
1-xO
3-δ(x=0.05,0.1,0.2) has formed the perovskite structure of pure phase.
Embodiment 3:Ba
0.95La
0.05FeO
3-δThe material coefficient of thermal expansion test
Electrode and electrolytical thermal coefficient of expansion need mate to guarantee the long-time stable operation of Solid Oxide Fuel Cell.Adopt Netsch DIL 402C/3/G thermal dilatometer to measure Ba
0.95La
0.05FeO
3-δThe material coefficient of thermal expansion coefficient (Thermal Expansion Coefficient, TEC).Obtain bar shaped sample idiosome by dry pressing, be of a size of 2 * 5 * 12mm, obtain fine and close sample through 1175 ℃ of sintering, Range of measuring temp is 25-1000 ℃, and atmosphere is air, and heating rate is 5 ℃ of min
-1Fig. 2 is Ba
0.95La
0.05FeO
3-δThe material coefficient of thermal expansion curve illustrates this cathode material and YSZ, and traditional electrolyte such as SDC has good thermal expansion matching.
Embodiment 4:Ba
1-xLa
xFeO
3-δThe hybrid conductive performance test of material
Adopt DC four point probe method test b a
1-xLa
xFeO
3-δThe mixed conductivity of (x=0,0.05,0.1,0.2) dense ceramic membrane, wherein the sample of x=0 as a comparison case.The preparation of bar shaped sample is identical with MEASURING THE THERMAL EXPANSION COEFFICIENT, the two ends of the bar-shaped sample behind sintering are coated the silver slurry and are connected with filamentary silver, at 200 ℃ of left and right sides heat treatment 1h, connect other two filamentary silvers in the middle of the sample, coat behind the silver slurry again in 200 ℃ of left and right sides heat treatment 1h.Testing sample is placed tube furnace, reduce to 300 ℃ from 900 ℃ and measure, rate of temperature fall is 5 ℃ of min
-1, every data point of 10 ℃ of measurements, be 2min stabilization time, test atmosphere is air, the omnidistance LabView software program control by independent development of test.As shown in Figure 3, under air atmosphere, Ba
1-xLa
xFeO
3-δShow oxonium ion and electronics mixed conductivity.
Embodiment 5:BaPr
0.05Fe
0.95O
3-δBattery testing as cathode material
Making with YSZ/SDC with The tape casting is the battery sheet of the anode-supported of electrolytical bilayer electrolyte, and anode is to be mixed by 60%NiO and 40%YSZ high-energy ball milling (FRITSCH, Pulverisette 6).The electrolyte of anode-supported is calcined 5h down to form fine and close electrolytic thin-membrane at 1400 ℃.Then with the BaPr that makes
0.05Fe
0.95O
3-δPowder is blended in ethylene glycol, isopropyl alcohol and the glycerine, make to spray to dielectric substrate after the cathode slurry and get on, 1000 ℃ down calcining 2h make the cathode layers of porous.
The I-V curve test of fuel cell is to act as a fuel with hydrogen, and ambient air is as oxidant, and the digital instrument of controlling by computer records, and the flow of hydrogen is controlled by flow controller, and elargol is as current collector.The I-V curve that records as shown in Figure 4, the open circuit voltage in the time of 750 ℃ reaches 1.10V, illustrates that the sealing of battery is better, power density reaches 1120mW/cm
2
Embodiment 6:Ba
0.9La
0.1FeO
3-δBattery testing as cathode material
Making with YSZ/SDC with The tape casting is the battery sheet of the anode-supported of electrolytical bilayer electrolyte, and anode is to be mixed by 60%NiO and 40%YSZ high-energy ball milling (FRITSCH, Pulverisette 6).The electrolyte of anode-supported is calcined 5h down to form fine and close electrolytic thin-membrane at 1400 ℃.Then with the Ba that makes
0.9La
0.1FeO
3-δPowder is blended in ethylene glycol, isopropyl alcohol and the glycerine, make to spray to dielectric substrate after the cathode slurry and get on, 1000 ℃ down calcining 2h make the cathode layers of porous.
The I-V curve test of fuel cell is to act as a fuel with hydrogen, and ambient air is as oxidant, and the digital instrument of controlling by computer records, and the flow of hydrogen is controlled by flow controller, and elargol is as current collector.The I-V curve that records as shown in Figure 5, the open circuit voltage in the time of 750 ℃ reaches 1.08V, illustrates that the sealing of battery is better, power density reaches 1250mW/cm
2
Claims (4)
1. rare earth doped BaFeO
3-δThe ABO of base
3Type perovskite fuel battery cathode material, the molecular formula that it is characterized in that described material is Ba
1-xLn
xFe
1-yLn
yO
3-δPerovskite oxide, wherein Ln is selected from Sc, Y or lanthanide series a kind of; X, y have and have only one to be 0, and 0≤x＜1,0≤y＜1; δ is an oxygen vacancies concentration ,-0.5＜δ＜0.5.
2. battery cathode material according to claim 1 is characterized in that described lanthanide series is a kind of of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy or Yb.
3. battery cathode material according to claim 1 is characterized in that adopting sol-gel process or solid reaction process synthetic.
4. rare earth doped BaFeO as claimed in claim 1
3-δThe ABO of base
3The application of type perovskite fuel battery cathode material in the intermediate temperature solid oxide fuel cell cathode material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244536A (en) * | 2018-09-21 | 2019-01-18 | 佛山皖和新能源科技有限公司 | A kind of preparation method of densification isotypy composite solid electrolyte material |
| CN109437882A (en) * | 2018-11-26 | 2019-03-08 | 北京科技大学 | Adulterate the BaFeO of La element and Cu element3-δBase ceramic oxygen-permeable membrane material and preparation method thereof |
| CN110218091A (en) * | 2019-06-20 | 2019-09-10 | 合肥学院 | A kind of method that sol-gel auto-combustion method prepares Fe element doping barium cerate solid electrolyte |
| CN114614033A (en) * | 2022-05-11 | 2022-06-10 | 深圳大学 | Solid oxide fuel cell oxygen reduction catalyst and preparation method and application thereof |
| CN115180937A (en) * | 2022-08-01 | 2022-10-14 | 上海电力大学 | Gadolinium and copper co-doped barium ferrite perovskite structure anode material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091879A (en) * | 2006-06-21 | 2007-12-26 | 中国科学院大连化学物理研究所 | Perovskite type oxygen pervious membrane of mixed conductor in cerium contained series, preparation method and application |
-
2011
- 2011-04-20 CN CN2011100990991A patent/CN102208662A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091879A (en) * | 2006-06-21 | 2007-12-26 | 中国科学院大连化学物理研究所 | Perovskite type oxygen pervious membrane of mixed conductor in cerium contained series, preparation method and application |
Non-Patent Citations (4)
| Title |
|---|
| 《Journal of Power Sources》 20090630 Zetian Tao,et al. Novel cobalt-free cathode materials BaCexFe1-xO3-delta for proton-conducting solid oxide fuel cells 第194卷, * |
| T.C.GIBB,ET AL.: "A Study of the Oxygen-Deficient Perovskite Ba1-xLaxFeO3-y by Mossbauer Spectroscopy", 《JOURNAL OF SOLID STATE CHEMISTRY》 * |
| ZETIAN TAO,ET AL.: "Novel cobalt-free cathode materials BaCexFe1-xO3-δ for proton-conducting solid oxide fuel cells", 《JOURNAL OF POWER SOURCES》 * |
| 邵宗平: "中低温固体氧化物燃料电池阴极材料", 《化学进展》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244536A (en) * | 2018-09-21 | 2019-01-18 | 佛山皖和新能源科技有限公司 | A kind of preparation method of densification isotypy composite solid electrolyte material |
| CN109244536B (en) * | 2018-09-21 | 2020-04-24 | 深圳凯泽鑫电子有限公司 | Preparation method of compact and uniform solid composite electrolyte material |
| CN109437882A (en) * | 2018-11-26 | 2019-03-08 | 北京科技大学 | Adulterate the BaFeO of La element and Cu element3-δBase ceramic oxygen-permeable membrane material and preparation method thereof |
| CN109437882B (en) * | 2018-11-26 | 2020-11-27 | 北京科技大学 | BaFeO doped with La element and Cu element3-Ceramic-based oxygen-permeable membrane material and preparation method thereof |
| CN110218091A (en) * | 2019-06-20 | 2019-09-10 | 合肥学院 | A kind of method that sol-gel auto-combustion method prepares Fe element doping barium cerate solid electrolyte |
| CN114614033A (en) * | 2022-05-11 | 2022-06-10 | 深圳大学 | Solid oxide fuel cell oxygen reduction catalyst and preparation method and application thereof |
| CN115180937A (en) * | 2022-08-01 | 2022-10-14 | 上海电力大学 | Gadolinium and copper co-doped barium ferrite perovskite structure anode material and preparation method thereof |
| CN115180937B (en) * | 2022-08-01 | 2023-09-22 | 上海电力大学 | Gadolinium and copper co-doped barium ferrite perovskite structure anode material and preparation method thereof |
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Application publication date: 20111005 |