CN104319407A - Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof - Google Patents

Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof Download PDF

Info

Publication number
CN104319407A
CN104319407A CN201410573294.7A CN201410573294A CN104319407A CN 104319407 A CN104319407 A CN 104319407A CN 201410573294 A CN201410573294 A CN 201410573294A CN 104319407 A CN104319407 A CN 104319407A
Authority
CN
China
Prior art keywords
electrode material
fuel cell
oxide fuel
solid oxide
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410573294.7A
Other languages
Chinese (zh)
Inventor
徐庆
黄端平
肖静
汪亚萍
张枫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201410573294.7A priority Critical patent/CN104319407A/en
Publication of CN104319407A publication Critical patent/CN104319407A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882—Heat treatment, e.g. drying, baking
    • H01M4/8885—Sintering or firing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

The invention relates to an electrode material of a symmetric intermediate-temperature solid oxide fuel cell and a preparation method thereof. The chemical formula of the electrode material is La1-xCaxFe1-yCryO3, wherein x is greater than or equal to 0.4 and smaller than or equal to 0.7, and y is greater than or equal to 0.1 and smaller than or equal to 0.4. The preparation method of the electrode material comprises the steps of: weighing the nitrates of metal ions La, Ca, Fe and Cr according to the stoichiometric ratio of La1-xCaxFe1-yCryO3, dissolving in deionized water, adding glycine, stirring to form a clear and transparent precursor solution, heating to boil and concentrate the precursor solution until a combustion reaction occurs so as to obtain a porous and fluffy solid state combustion product, crushing down the combustion product and carrying out heat treating to obtain the electrode material. The preparation method of the electrode material disclosed by the invention is simple and convenient. The electrode material has good conductivity, appropriate coefficient of thermal expansion and excellent electrochemical catalytic activity, and can be used for making the electrode of the symmetric intermediate-temperature solid oxide fuel cell.

Description

Electrode material of symmetric form intermediate temperature solid oxide fuel cell and preparation method thereof
Technical field
The present invention relates to electrode material of a kind of symmetric form intermediate temperature solid oxide fuel cell and preparation method thereof, belong to Solid Oxide Fuel Cell technical field.
Background technology
Solid Oxide Fuel Cell (SOFCs) is a kind of novel energy conversion equipment chemical energy in fuel being converted into electric energy, have that fuel tolerance is wide, energy conversion efficiency is high, all solid state modularization assembling, run the advantages such as pollution-free, all have broad application prospects in stationary electric power plant and portable power source.
Current, with Y 2o 3stablize ZrO 2(YSZ) for electrolyte, with La 1-xsr xmnO 3for negative electrode, be that the high temperature modification SOFCs of anode is the most ripe in basic research and application technology with Ni-YSZ.But the operating temperature of high temperature modification SOFCs too high (900 DEG C-1000 DEG C), bring the series of technical such as the sealing of battery pile is difficult, operation stability reduces, working life is short, operating cost is high, thus limit further development and the extensive use of SOFCs technology.At present, the working temperature of battery being reduced to mesophilic range (600 DEG C-800 DEG C) and adopting cheap hydrocarbon gas to be fuel is the main development direction of SOFCs.But under the condition of work of middle gentle hydrocarbon gas, galvanic anode can produce the problem of Carbon deposition and sulfur poisoning, affects the long-term working stability of intermediate temperature SOFC s.
For the Carbon deposition of intermediate temperature SOFC s anode and the problem of sulfur poisoning, domestic and international researcher has carried out a large amount of research work from different angles.2006, foreign study person proposed a kind of new ideas (Journal of Materials Chemistry, 2006,16:1603-1605) of symmetrical expression battery configuration, namely adopted same material as the negative electrode of SOFCs and anode.For the intermediate temperature SOFC s of symmetrical expression configuration, by alternately changing the mode of electrode work atmosphere, the carbon, the sulfur species that are deposited on electrode can be eliminated.So the proposition of symmetric form battery configuration concept is solve the Carbon deposition of intermediate temperature SOFC s and sulfur poisoning problem provides new possible approaches.In addition, being also advantageous in that of symmetric form configuration battery, can complete the preparation of monocell by once-firing process, is conducive to the manufacturing cost reducing battery.
Symmetric form SOFCs is very harsh to the requirement of electrode material, requires that electrode material all has excellent electric conductivity, electro catalytic activity, structural stability and good physical, chemical compatibility with electrolyte under oxidation and reducing atmosphere.
Summary of the invention
The technical problem to be solved in the present invention is electrode material proposing a kind of symmetric form intermediate temperature solid oxide fuel cell and preparation method thereof, has the appropriate thermal coefficient of expansion, excellent electric conductivity and high electrochemical catalysis concurrently active.
The technical scheme of proposition of the present invention is: the electrode material of symmetric form intermediate temperature solid oxide fuel cell, and its chemical formula is La 1-xca xfe 1-ycr yo 3, wherein 0.4≤x≤0.7,0.1≤y≤0.4.
The preparation method of the electrode material of described symmetric form intermediate temperature solid oxide fuel cell, includes following steps: by La 1-xca xfe 1-ycr yo 3and 0.4≤x≤0.7, the stoichiometric proportion of 0.1≤y≤0.4 takes the nitrate of metal ion La, Ca, Fe and Cr, is dissolved in deionized water, add glycine, through stirring the precursor solution forming clear, precursor solution heated, makes it seethe with excitement, concentrate until there is combustion reaction, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment, obtain the electrode material of the symmetric form intermediate temperature solid oxide fuel cell of black.
Prove through X-ray diffraction (XRD) test, adopt the La that this preparation method obtains 1-xca xfe 1-ycr yo 3electrode material is single perovskite structure.
Thermal coefficient of expansion test result shows, in the temperature range of 40 DEG C-1000 DEG C, and La 1-xca xfe 1-ycr yo 3the mean thermal expansion coefficients of electrode material is 12 × 10 -6k -1-15 × 10 -6k -1, with the thermal coefficient of expansion (~ 12.5 × 10 of intermediate temperature SOFC s electrolyte -6k -1) rate be no more than 20%, meet the requirement that electrode material and electrolyte thermal coefficient of expansion match.
DC four point probe method test result shows, this electrode material has good electric conductivity, and at 800 DEG C, its conductivity is 60Scm -1-100Scm -1.
Electrochemical impedance spectroscopy test result shows, and it is active that this electrode material has excellent electrochemical catalysis, and at 800 DEG C, its polarization resistance is 0.09 Ω cm 2-0.14 Ω cm 2.
The preparation method of electrode material of the present invention is easy, and it is active that electrode material has good electric conductivity, suitable thermal coefficient of expansion and excellent electrochemical catalysis, can be used as the electrode of symmetric form intermediate temperature solid oxide fuel cell.
Accompanying drawing explanation
The La of Fig. 1 prepared by embodiment 1 0.3ca 0.7fe 0.7cr 0.3o 3the XRD collection of illustrative plates of (x=0.7, y=0.3) powder sample;
The La of Fig. 2 prepared by embodiment 1 0.3ca 0.7fe 0.7cr 0.3o 3the conductivity of (x=0.7, y=0.3) ceramics sample and the relation curve of temperature;
The La of Fig. 3 prepared by embodiment 1 0.3ca 0.7fe 0.7cr 0.3o 3the thermal dilatometry of (x=0.7, y=0.3) ceramics sample;
The La of Fig. 4 prepared by embodiment 1 0.3ca 0.7fe 0.7cr 0.3o 3the electrochemical impedance spectrogram of (x=0.7, y=0.3) electrode under different probe temperature.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated, the present embodiment be premised on technical solution of the present invention under the enforcement carried out, technical solution of the present invention is not limited to following cited embodiment.All do within technical scheme of the present invention any amendment, equivalent to replace and improvement etc., all within protection scope of the present invention.
Embodiment 1:La 0.3ca 0.7fe 0.7cr 0.3o 3the fabrication & properties of (x=0.7, y=0.3)
By La 0.3ca 0.7fe 0.7cr 0.3o 3(x=0.7, y=0.3) stoichiometric proportion takes the nitrate of the metallic elements such as La, Ca, Cr, Fe, be dissolved in deionized water, the ratio being 2.4:1 according to the mol ratio of glycine and metal ion total amount adds glycine, through stirring the precursor solution forming clear, precursor solution is heated, make it seethe with excitement, concentrate until burn, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment 2h at 950 DEG C, obtains the electrode material of black.
By the La of preparation 0.3ca 0.7fe 0.7cr 0.3o 3(x=0.7, y=0.3) electrode powder makes bar samples at the pressure of 300MPa, then in 1250 DEG C of air atmospheres, sinters 2h, obtains La 0.3ca 0.7fe 0.7cr 0.3o 3(x=0.7, y=0.3) ceramics sample.
In the temperature range of 40 DEG C-1000 DEG C, adopt thermal expansion tester test La 0.3ca 0.7fe 0.7cr 0.3o 3the hot expansibility of (x=0.7, y=0.3) ceramics sample.
At La 0.3ca 0.7fe 0.7cr 0.3o 3after (x=0.7, y=0.3) ceramics sample surface-coated platinum electrode, within the scope of 150 DEG C of-900 DEG C of degree, adopt its electric conductivity of DC four point probe method thermometric.
By La 0.3ca 0.7fe 0.7cr 0.3o 3(x=0.7, y=0.3) electrode powder and organic carrier are mixed and made into electrode slurry, adopt silk screen print method that electrode slurry is coated in Ce 0.8sm 0.2o 1.9on electrolyte matrix, adopt brushing method to prepare platinum to electrode and platinum reference electrode, finally make La 0.3ca 0.7fe 0.7cr 0.3o 3/ Ce 0.8sm 0.2o 1.9the electrochemical cell of/Pt three-electrode structure, tests for electrochemical impedance spectroscopy.
Fig. 1 is La 0.3ca 0.7fe 0.7cr 0.3o 3the XRD collection of illustrative plates of (x=0.7, y=0.3) powder sample.Result shows, and the electrode powder that the present embodiment obtains is single perovskite structure.
Fig. 2 is La 0.3ca 0.7fe 0.7cr 0.3o 3the conductivity of (x=0.7, y=0.3) ceramics sample and the relation curve of temperature.Result shows, and in 150 DEG C of-700 DEG C of temperature ranges, the conductivity of ceramics sample is tending towards with the increase of temperature increasing, and 700 DEG C time, ceramics sample conductivity reaches maximum (78Scm -1), the conductivity of ceramics sample is tending towards reducing thereafter.At 800 DEG C, the conductivity of ceramics sample is 74Scm -1.
Fig. 3 is La 0.3ca 0.7fe 0.7cr 0.3o 3the thermal dilatometry of (x=0.7, y=0.3) ceramics sample.Result shows, La 0.3ca 0.7fe 0.7cr 0.3o 3the mean thermal expansion coefficients of (x=0.7, y=0.3) ceramics sample in 40 DEG C of-1000 DEG C of temperature ranges is 11.8 × 10 -6k -1, thermal coefficient of expansion level (~ 12.5 × 10 electrolytical with intermediate temperature SOFC s -6k -1) close.
Fig. 4 is La under different probe temperature 0.3ca 0.7fe 0.7cr 0.3o 3the electrochemical impedance spectrogram of (x=0.7, y=0.3) electrode.Result shows, La 0.3ca 0.7fe 0.7cr 0.3o 3(x=0.7, y=0.3) is respectively 1.09 Ω cm in the polarization resistance of 600 DEG C, 700 DEG C and 800 DEG C 2, 0.28 Ω cm 2with 0.11 Ω cm 2, show La 0.3ca 0.7fe 0.7cr 0.3o 3it is active that (x=0.7, y=0.3) electrode has excellent electrochemical catalysis.
Embodiment 2:La 0.3ca 0.7fe 0.9cr 0.1o 3the fabrication & properties of (x=0.7, y=0.1)
By La 0.3ca 0.7fe 0.9cr 0.1o 3(x=0.7, y=0.1) stoichiometric proportion takes the nitrate of the metallic elements such as La, Ca, Cr, Fe, be dissolved in deionized water, the ratio being 2.4:1 according to the mol ratio of glycine and metal ion total amount adds glycine, through stirring the precursor solution forming clear, precursor solution is heated, make it seethe with excitement, concentrate until burn, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment 2h at 950 DEG C, obtains the electrode material of black.
La prepared by the present embodiment 0.3ca 0.7fe 0.9cr 0.1o 3(x=0.7, y=0.1) electrode material is single perovskite structure, and the conductivity at 800 DEG C is 62Scm -1, the mean thermal expansion coefficients within the scope of 40 DEG C-1000 DEG C is 13.9 × 10 -6k -1, the polarization resistance at 800 DEG C is 0.14 Ω cm 2.
Embodiment 3:La 0.4ca 0.6fe 0.8cr 0.2o 3the fabrication & properties of (x=0.6, y=0.2)
By La 0.4ca 0.6fe 0.8cr 0.2o 3(x=0.6, y=0.2) stoichiometric proportion takes the nitrate of the metallic elements such as La, Ca, Cr, Fe, be dissolved in deionized water, the ratio being 2.4:1 according to the mol ratio of glycine and metal ion total amount adds glycine, through stirring the precursor solution forming clear, precursor solution is heated, make it seethe with excitement, concentrate until burn, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment 2h at 950 DEG C, obtains the electrode material of black.
La prepared by the present embodiment 0.4ca 0.6fe 0.8cr 0.2o 3(x=0.6, y=0.2) electrode material is single perovskite structure, and the conductivity at 800 DEG C is 79Scm -1, the mean thermal expansion coefficients within the scope of 40 DEG C-1000 DEG C is 12.1 × 10 -6k -1, the polarization resistance at 800 DEG C is 0.12 Ω cm 2.
Embodiment 4:La 0.5ca 0.5fe 0.8cr 0.2o 3the fabrication & properties of (x=0.5, y=0.2)
By La 0.5ca 0.5fe 0.8cr 0.2o 3(x=0.5, y=0.2) stoichiometric proportion takes the nitrate of the metallic elements such as La, Ca, Cr, Fe, be dissolved in deionized water, the ratio being 2.4:1 according to the mol ratio of glycine and metal ion total amount adds glycine, through stirring the precursor solution forming clear, precursor solution is heated, make it seethe with excitement, concentrate until burn, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment 2h at 950 DEG C, obtains the electrode material of black.
La prepared by the present embodiment 0.5ca 0.5fe 0.8cr 0.2o 3(x=0.5, y=0.2) electrode material is single perovskite structure, and the conductivity at 800 DEG C is 83Scm -1, the mean thermal expansion coefficients within the scope of 40 DEG C-1000 DEG C is 14.6 × 10 -6k -1, the polarization resistance at 800 DEG C is 0.10 Ω cm 2.
Embodiment 5:La 0.6ca 0.4fe 0.6cr 0.4o 3the fabrication & properties of (x=0.4, y=0.4)
By La 0.6ca 0.4fe 0.6cr 0.4o 3(x=0.4, y=0.4) stoichiometric proportion takes the nitrate of the metallic elements such as La, Ca, Cr, Fe, be dissolved in deionized water, the ratio being 2.4:1 according to the mol ratio of glycine and metal ion total amount adds glycine, through stirring the precursor solution forming clear, precursor solution is heated, make it seethe with excitement, concentrate until burn, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment 2h at 950 DEG C, obtains the electrode material of black.
La prepared by the present embodiment 0.6ca 0.4fe 0.6cr 0.4o 3(x=0.4, y=0.4) electrode material is single perovskite structure, and the conductivity at 800 DEG C is 102Scm -1, the mean thermal expansion coefficients within the scope of 40 DEG C-1000 DEG C is 14.8 × 10 -6k -1, the polarization resistance at 800 DEG C is 0.09 Ω cm 2.
Embodiment 6:La 0.6ca 0.4fe 0.9cr 0.1o 3the fabrication & properties of (x=0.4, y=0.1)
By La 0.6ca 0.4fe 0.9cr 0.1o 3(x=0.4, y=0.1) stoichiometric proportion takes the nitrate of the metallic elements such as La, Ca, Cr, Fe, be dissolved in deionized water, the ratio being 2.4:1 according to the mol ratio of glycine and metal ion total amount adds glycine, through stirring the precursor solution forming clear, precursor solution is heated, make it seethe with excitement, concentrate until burn, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment 2h at 950 DEG C, obtains the electrode material of black.
La prepared by the present embodiment 0.6ca 0.4fe 0.9cr 0.1o 3(x=0.4, y=0.1) electrode material is single perovskite structure, and the conductivity at 800 DEG C is 91Scm -1, the mean thermal expansion coefficients within the scope of 40 DEG C-1000 DEG C is 15.0 × 10 -6k -1, the polarization resistance at 800 DEG C is 0.11 Ω cm 2.

Claims (2)

1. the electrode material of symmetric form intermediate temperature solid oxide fuel cell, its chemical formula is La 1-xca xfe 1-ycr yo 3, wherein 0.4≤x≤0.7,0.1≤y≤0.4.
2. the preparation method of the electrode material of symmetric form intermediate temperature solid oxide fuel cell described in claim 1, includes following steps: by La 1-xca xfe 1-ycr yo 3and 0.4≤x≤0.7, the stoichiometric proportion of 0.1≤y≤0.4 takes the nitrate of metal ion La, Ca, Fe and Cr, is dissolved in deionized water, add glycine, through stirring the precursor solution forming clear, precursor solution heated, makes it seethe with excitement, concentrate until there is combustion reaction, obtain the solid-state combustion product of bulk multi-hole, combustion product is pulverized, heat treatment, obtain the electrode material of the symmetric form intermediate temperature solid oxide fuel cell of black.
CN201410573294.7A 2014-10-23 2014-10-23 Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof Pending CN104319407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410573294.7A CN104319407A (en) 2014-10-23 2014-10-23 Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410573294.7A CN104319407A (en) 2014-10-23 2014-10-23 Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104319407A true CN104319407A (en) 2015-01-28

Family

ID=52374611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410573294.7A Pending CN104319407A (en) 2014-10-23 2014-10-23 Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104319407A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160351916A1 (en) * 2015-05-28 2016-12-01 Uti Limited Partnership High performance oxygen and fuel electrode for reversible solid oxide fuel cell applications
CN108358248A (en) * 2018-04-10 2018-08-03 武汉理工大学 Ln0.3Sr0.7Fe0.7Cr0.3O3-δThe synthetic method of ion-electron mixed conductor material

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BEATRIZ MOLERO-SANCHEZ, ET AL.: "La0.3Ca0.7Fe0.7Cr0.3O3-δ as Novel Air Electrode Material for Solid Oxide Electrolysis Cells", 《11TH EUROPEAN SOFC AND SOE FORUM 2014》 *
陈永红等: "La0.6M0.4Fe0.8Cr0.2O3-δ（M=Ca、Sr、Ba）的制备、表征及电性能", 《无机材料学报》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160351916A1 (en) * 2015-05-28 2016-12-01 Uti Limited Partnership High performance oxygen and fuel electrode for reversible solid oxide fuel cell applications
US20180166693A1 (en) * 2015-05-28 2018-06-14 Uti Limited Partnership High Performance Oxygen and Fuel Electrode for Reversible Solid Oxide Fuel Cell Applications
US10147955B2 (en) * 2015-05-28 2018-12-04 Uti Limited Partnership High performance oxygen and fuel electrode for reversible solid oxide fuel cell applications
US10833333B2 (en) * 2015-05-28 2020-11-10 Seeo2 Energy Inc. High performance oxygen and fuel electrode for reversible solid oxide fuel cell applications
CN108358248A (en) * 2018-04-10 2018-08-03 武汉理工大学 Ln0.3Sr0.7Fe0.7Cr0.3O3-δThe synthetic method of ion-electron mixed conductor material
CN108358248B (en) * 2018-04-10 2020-01-31 武汉理工大学 Ln0.3Sr0.7Fe0.7Cr0.3O3-δSynthesis method of ion-electron mixed conductor material

Similar Documents

Publication Publication Date Title
Liu et al. Perovskite Sr2Fe1. 5Mo0. 5O6− δ as electrode materials for symmetrical solid oxide electrolysis cells
Li et al. Electrolysis of H2O and CO2 in an oxygen-ion conducting solid oxide electrolyzer with a La0. 2Sr0. 8TiO3+ δ composite cathode
Rajendran et al. Tri-doped BaCeO3–BaZrO3 as a chemically stable electrolyte with high proton-conductivity for intermediate temperature solid oxide electrolysis cells (SOECs)
Jin et al. La0. 75Sr0. 25Cr0. 5Mn0. 5O3 as hydrogen electrode for solid oxide electrolysis cells
AU2003248994B2 (en) Perovskite-based fuel cell electrode and membrane
Yang et al. High performance solid oxide electrolysis cells using Pr0. 8Sr1. 2 (Co, Fe) 0.8 Nb0. 2O4+ δ–Co–Fe alloy hydrogen electrodes
Yu et al. BaZr0. 1Co0. 4Fe0. 4Y0. 1O3-SDC composite as quasi-symmetrical electrode for proton conducting solid oxide fuel cells
Xing et al. Preparation and characterization of La0. 75Sr0. 25Cr0. 5Mn0. 5O3− δ-yttria stabilized zirconia cathode supported solid oxide electrolysis cells for hydrogen generation
Yu et al. A novel cobalt-free perovskite La0. 6Sr0. 4Fe0. 9Mo0. 1O3− δ cathode for intermediate-temperature solid oxide fuel cells
Du et al. Electrical conductivity and cell performance of La0. 3Sr0. 7Ti1− xCrxO3− δ perovskite oxides used as anode and interconnect material for SOFCs
CN104409742A (en) BaCoO3-delta base B-position Bi2O3-Nb2O5 co-doped cathode material of solid oxide fuel cell, preparation method and applications thereof
Ogier et al. Enhanced performances of structured oxygen electrodes for high temperature steam electrolysis
Zhang et al. A cathode-supported solid oxide fuel cell prepared by the phase-inversion tape casting and impregnating method
Zhang et al. Performance of Cobalt‐free La0. 6Sr0. 4Fe0. 9Ni0. 1O3–δ Cathode Material for Intermediate Temperature Solid Oxide Fuel Cells
Lou et al. Synthesis and characterization of aluminum-doped perovskites as cathode materials for intermediate temperature solid oxide fuel cells
Zhang et al. Modification of electrocatalytic activity of BaCe0. 40Sm0. 20Fe0. 40O3− δ with Co3O4 as cathode for proton-conducting solid oxide fuel cell
CN104319407A (en) Electrode material of symmetric intermediate-temperature solid oxide fuel cell and preparation method thereof
Xi et al. Fabrication and evaluation of Sm0. 5Sr0. 5CoO3− δ impregnated PrBaCo2O5+ δ composite cathode for proton conducting SOFCs
Duran et al. Study of La4BaCu5− xCoxO13+ δ series as potential cathode materials for intermediate-temperature solid oxide fuel cell
CN110993997A (en) Method for improving operation stability of reversible solid oxide battery
CN109962251A (en) Anode of solid oxide fuel cell material with resistant to sulfur, carbon accumulation resisting ability
CN101794885A (en) Intermediate-temperature solid oxide fuel cell (LSCF) cathode material with brownmillerite structure
CN111584882B (en) Solid oxide fuel cell with novel structure and preparation method thereof
CN113488665A (en) Reversible solid oxide battery air electrode material, preparation method and application
CN114824326A (en) Novel symmetrical electrode material, fuel cell and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150128

RJ01 Rejection of invention patent application after publication