CN106654302A - Proton exchange membrane non-platinum catalyst using peanut as raw material and preparation method thereof - Google Patents

Proton exchange membrane non-platinum catalyst using peanut as raw material and preparation method thereof Download PDF

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Publication number
CN106654302A
CN106654302A CN201610890238.5A CN201610890238A CN106654302A CN 106654302 A CN106654302 A CN 106654302A CN 201610890238 A CN201610890238 A CN 201610890238A CN 106654302 A CN106654302 A CN 106654302A
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peanut
proton exchange
iron
raw material
platinum catalyst
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CN106654302B (en
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徐峰
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Fuzhou University
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Fuzhou University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/9016Oxides, hydroxides or oxygenated metallic salts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8817Treatment of supports before application of the catalytic active composition
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/96Carbon-based electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/1004Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The invention belongs to the preparation field of fuel cell catalysts, and specifically relates to a proton exchange membrane fuel cell anode non-platinum catalyst and a preparation method of the catalyst. The catalyst is prepared and formed by using peanut as a source of carbon and nitrogen elements and compounding a cerium oxide precursor and an iron precursor, wherein the mass ratio of the peanut, the cerium oxide precursor to the iron precursor is (1 to 100): (1 to 50): (1 to 35), and the mole ratio of carbon, nitrogen, iron to cerium oxide in the catalyst is (1 to 10): (0.3 to 3): (0.1 to 5): (0.1 to 5). The catalyst disclosed by the invention has the advantage of good oxygen reduction activity, does not contain precious metals, and has very important meaning.

Description

A kind of PEM non-platinum catalyst with peanut as raw material and preparation method thereof
Technical field
The present invention relates to the preparation field of fuel-cell catalyst, and in particular to a kind of proton exchange with peanut as raw material Membrane fuel battery cathod non-platinum catalyst and preparation method thereof.
Background technology
Proton Exchange Membrane Fuel Cells receives extensively pass with its high efficiency, high power density, advantages of environment protection Note.At present Proton Exchange Membrane Fuel Cells is mainly using platinum and platinum-base material as catalyst, platinum fancy price and few storage Amount hinders the application of Proton Exchange Membrane Fuel Cells.Thus, develop cheap and with excellent activity catalyst and seem It is particularly urgent and important.
The content of the invention
Present invention aims to the deficiencies in the prior art, there is provided a kind of cheap and with good hydrogen reduction The fuel battery cathode with proton exchange film non-platinum catalyst of activity.
For achieving the above object, the present invention is adopted the following technical scheme that:
A kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material, the catalyst is made using peanut For carbon and the source of nitrogen, and it is prepared from cerium oxide precursor body and iron forerunner's bluk recombination, wherein peanut, cerium oxide precursor The mass ratio of body and iron presoma is 1-100:1-50:1-35, carbon, nitrogen, iron, the molar ratio of cerium oxide are 1- in catalyst 10:0.3-3:0.1-5:0.1-5。
The cerium oxide precursor body is cerous nitrate or ammonium ceric nitrate.
The iron presoma is ferric nitrate, ferric sulfate, iron chloride, ferrocene, iron hydroxide, iron sulfide or ferric perchlorate.
Present invention also offers the preparation side of the fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material Method, comprises the following steps:
1)Peanut is mixed and is made peanut slurries with water;
2)Cerium oxide precursor body and iron presoma are added, is stirred;
3)Add sodium hydroxide solution and stir, obtain mixed liquor;
4)Above-mentioned mixed liquor is inserted in autoclave and is sealed, and the heating and thermal insulation 1-24 h at 80-180 DEG C, then cool down, Liquid is abandoned, is dried;
5)By step 4)Products therefrom is placed in reducing atmosphere, and the heating and thermal insulation 1-6 h at 300-500 DEG C, is had The fuel battery cathode with proton exchange film non-platinum catalyst of good oxygen reduction activity.
Step 1), the ratio of the peanut and water is 100 g:100-1000 mL.Step 3), the sodium hydroxide solution Concentration is 0.5-15 mol/L.Step 5), the reducing atmosphere is one or two in hydrogen, carbon monoxide.
The present invention adopts above technical scheme, by the way that peanut slurries, nano oxidized cerium precursor are mixed with iron presoma And be heat-treated, prepare fuel battery cathode with proton exchange film catalyst.The beneficial effects of the present invention is:Peanut contains substantial amounts of Protein, fat and carbohydrate, thus possess abundant nitrogen and carbon, meanwhile, cerium oxide has excellent oxygen Storage/releasability, can effectively improve the oxygen reduction activity of cathod catalyst.
Description of the drawings
Fig. 1 is the electrochemistry that embodiment 1 prepares fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material Oxygen reduction reaction performance curve.
Specific embodiment
By the following specific examples further illustrate the invention, but protection scope of the present invention is not limited to following reality Apply example.
A kind of preparation method of the fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material, including it is following Step:
1)Peanut and water are pressed into 100 g:The ratio of 100-1000 mL mixes and makes peanut slurries;
2)Cerium oxide precursor body and iron presoma are added, is stirred;
Wherein the mass ratio of peanut, cerium oxide precursor body and iron presoma is 1-100:1-50:1-35, carbon in catalyst, nitrogen, Iron, the molar ratio of cerium oxide are 1-10:0.3-3:0.1-5:0.1-5;
The cerium oxide precursor body is cerous nitrate or ammonium ceric nitrate;Iron presoma be ferric nitrate, ferric sulfate, iron chloride, ferrocene, Iron hydroxide, iron sulfide, iron halide or ferric perchlorate;
3)Concentration is added for the sodium hydroxide solution of 0.5-15mol/L and is stirred, obtain mixed liquor;
4)Above-mentioned mixed liquor is inserted in autoclave and is sealed, and the heating and thermal insulation 1-24h at 80-180 DEG C, then cool down, Liquid is abandoned, is dried;
5)By step 4)Products therefrom is placed in reducing atmosphere, and the heating and thermal insulation 1-6 h at 300-500 DEG C, is had The fuel battery cathode with proton exchange film non-platinum catalyst of good oxygen reduction activity.
Embodiment 1
A kind of preparation method of the fuel battery cathode with proton exchange film catalyst with good oxygen reduction activity, concrete steps For:
1. 100 g peanuts are mixed with 100 ml water and be put in mixer, prepare peanut slurries;
2. take the peanut slurries prepared by 0.7 ml steps 1 to mix with 4.34g cerous nitrates and 4.04g ferric nitrates, and stir 60 min;
3. add concentration to be the NaOH aqueous solution of 0.5 M in the mixed liquor prepared by step 2, and stir 30 min;
4. the mixed liquor prepared by step 3 is inserted in autoclave and sealed, and 1 hour is incubated under 180 C;
5. the autoclave after insulation is cooled down, pour out liquid therein, filtered and be dried;
6. step 5 products therefrom is placed in hydrogen atmosphere, in and at 300 DEG C the h of heating and thermal insulation 6, had after cooling The fuel battery cathode with proton exchange film non-platinum catalyst of good oxygen reduction activity.
The present embodiment is obtained C in catalyst:N:Fe:CeO2Molar ratio is 10:3:5:5.
As shown in Figure 1, under 0.9V potentials, the current density of Pt/C catalyst is 0.4 mA cm-2, prepared by embodiment 1 The current density of catalyst is 0.6 mA cm-2, the current density of close Pt/C catalyst(0.4 mA∙cm-2), thus it is of the invention The prepared fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material has suitable with Pt/C catalyst Performance.
Embodiment 2
A kind of preparation method of the fuel battery cathode with proton exchange film catalyst with good oxygen reduction activity, concrete step Suddenly it is:
1. 100 g peanuts are mixed with 1000 ml water and be put in mixer, prepare peanut slurries;
2. take the peanut slurries prepared by 15 ml steps 1 to mix with 4.3 g cerous nitrates and 4 g ferric sulfate, and stir 60 min;
3. add concentration to be the NaOH aqueous solution of 15 M in the mixed liquor prepared by step 2, and stir 30 min;
4. the mixed liquor prepared by step 3 is inserted in autoclave and sealed, and 24 hours are incubated under 80 C;
5. the autoclave after insulation is cooled down, pour out liquid therein, filtered and be dried;
6. step 5 products therefrom is placed in carbon monoxide atmosphere, and in and at 500 DEG C the h of heating and thermal insulation 1, after cooling both Obtain the fuel battery cathode with proton exchange film catalyst of good oxygen reduction activity.
The present embodiment is obtained C in catalyst:N:Fe:CeO2Molar ratio is 1:0.3:0.1:0.1.
Embodiment 3
A kind of preparation method of the fuel battery cathode with proton exchange film catalyst with good oxygen reduction activity, concrete step Suddenly it is:
1. 100 g peanuts are mixed with 500 ml water and be put in mixer, prepare peanut slurries;
2. take the peanut slurries prepared by 3 ml steps 1 to mix with 4.34 g cerous nitrates and 1.62 g iron chloride, and stir 60 min;
3. add concentration to be the NaOH aqueous solution of 7.5 M in the mixed liquor prepared by step 2, and stir 30 min;
4. the mixed liquor prepared by step 3 is inserted in autoclave and sealed, and 12 hours are incubated under 180 C;
5. the autoclave after insulation is cooled down, pour out liquid therein, filtered and be dried, both obtained good hydrogen reduction The fuel battery cathode with proton exchange film catalyst of activity.
6. step 5 products therefrom is placed in into hydrogen:Carbon monoxide volume ratio is 1:In 1 reducing atmosphere, and in 400 The h of heating and thermal insulation 3.5 at DEG C, had both obtained the fuel battery cathode with proton exchange film catalyst of good oxygen reduction activity after cooling.
The present embodiment is obtained C in catalyst:N:Fe:CeO2Mass ratio is 5:1.7:2.5:2.5.
Embodiment 4
A kind of preparation method of the fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material, including following step Suddenly:
1)Peanut and water are pressed into 100 g:The ratio of 200 mL mixes and makes peanut slurries;
2)Cerium oxide precursor body ammonium ceric nitrate and iron presoma iron sulfide are added, is stirred;Wherein peanut, cerium oxide precursor body It is 50 with the mass ratio of iron presoma:1:1;
3)Concentration is added for the sodium hydroxide solution of 2mol/L and is stirred, obtain mixed liquor;
4)Above-mentioned mixed liquor is inserted in autoclave and is sealed, and the heating and thermal insulation 12h at 120 DEG C, then cool down, abandon liquid Body, is dried;
5)By step 4)Products therefrom is placed in reducing atmosphere, and the h of heating and thermal insulation 6 at 300 DEG C, is obtained with good The fuel battery cathode with proton exchange film non-platinum catalyst of oxygen reduction activity.
Embodiment 5
A kind of preparation method of the fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material, including following step Suddenly:
1)Peanut and water are pressed into 100 g:The ratio of 600 mL mixes and makes peanut slurries;
2)Cerium oxide precursor body ammonium ceric nitrate and iron presoma iron hydroxide are added, is stirred;Wherein peanut, cerium oxide precursor The mass ratio of body and iron presoma is 1:1:1;
3)Concentration is added for the sodium hydroxide solution of 10mol/L and is stirred, obtain mixed liquor;
4)Above-mentioned mixed liquor is inserted in autoclave and is sealed, and the heating and thermal insulation 6h at 150 DEG C, then cool down, liquid is abandoned, It is dried;
5)By step 4)Products therefrom is placed in reducing atmosphere, and the heating and thermal insulation 2h at 500 DEG C, is obtained with good oxygen The fuel battery cathode with proton exchange film non-platinum catalyst of reducing activity.
Embodiment 6
A kind of preparation method of the fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material, including following step Suddenly:
1)Peanut and water are pressed into 100 g:The ratio of 800 mL mixes and makes peanut slurries;
2)Cerium oxide precursor body ammonium ceric nitrate and iron presoma ferric perchlorate's iron sulfide are added, is stirred;Wherein peanut, oxidation The mass ratio of cerium precursor and iron presoma is 100: 50:35;
3)Concentration is added for the sodium hydroxide solution of 8mol/L and is stirred, obtain mixed liquor;
4)Above-mentioned mixed liquor is inserted in autoclave and is sealed, and the heating and thermal insulation 16h at 100 DEG C, then cool down, abandon liquid Body, is dried;
5)By step 4)Products therefrom is placed in reducing atmosphere, and the h of heating and thermal insulation 3 at 400 DEG C, is obtained with good The fuel battery cathode with proton exchange film non-platinum catalyst of oxygen reduction activity.

Claims (7)

1. a kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material, it is characterised in that:The catalysis Agent is to use peanut as carbon and the source of nitrogen, and is prepared from cerium oxide precursor body and iron forerunner's bluk recombination, raw material The mass ratio of middle peanut, cerium oxide precursor body and iron presoma is 1-100:1-50:1-35, carbon, nitrogen, iron, oxidation in catalyst The molar ratio of cerium is 1-10:0.3-3:0.1-5:0.1-5.
2. a kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material according to claim 1, It is characterized in that:The cerium oxide precursor body is cerous nitrate or ammonium ceric nitrate.
3. a kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material according to claim 1, It is characterized in that:The iron presoma be ferric nitrate, ferric sulfate, iron chloride, ferrocene, iron hydroxide, iron sulfide, iron halide or Ferric perchlorate.
4. a kind of system of the fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material as claimed in claim 1 Preparation Method, it is characterised in that:It is comprised the following steps:
1)Peanut is mixed and is made peanut slurries with water;
2)Cerium oxide precursor body and iron presoma are added in above-mentioned peanut slurries, is stirred;
3)Add sodium hydroxide solution and stir, obtain mixed liquor;
4)Above-mentioned mixed liquor is inserted in autoclave and is sealed, and the heating and thermal insulation 1-24 h at 80-180 DEG C, then cool down, Liquid is abandoned, is dried;
5)By step 4)Products therefrom is placed in reducing atmosphere, and the heating and thermal insulation 1-6 h at 300-500 DEG C, is had The fuel battery cathode with proton exchange film non-platinum catalyst of good oxygen reduction activity.
5. a kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material according to claim 4 Preparation method, it is characterised in that:Step 1), the ratio of the peanut and water is 100 g:100-1000 mL.
6. a kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material according to claim 4 Preparation method, it is characterised in that:Step 3), the concentration of sodium hydroxide solution is 0.5-15 mol/L.
7. a kind of fuel battery cathode with proton exchange film non-platinum catalyst with peanut as raw material according to claim 4 Preparation method, it is characterised in that:Step 5), the reducing atmosphere is one or two in hydrogen, carbon monoxide.
CN201610890238.5A 2016-10-13 2016-10-13 It is a kind of using peanut as proton exchange membrane non-platinum catalyst of raw material and preparation method thereof Active CN106654302B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113130918A (en) * 2019-12-31 2021-07-16 广州市香港科大***研究院 High-catalytic-performance M-N-C catalyst and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101601154A (en) * 2006-09-13 2009-12-09 阿克伦大学 The carbon monoxide-olefin polymeric that is used for fuel cell
CN102324531A (en) * 2011-05-26 2012-01-18 东华大学 Carbon-supported CoN fuel-cell catalyst as well as preparation method and application thereof
CN102916203A (en) * 2012-11-07 2013-02-06 武汉理工大学 Cathode non-platinum catalyst of proton exchange membrane fuel cell and preparation method thereof
CN105789644A (en) * 2016-03-02 2016-07-20 中南大学 Preparation method for Fe-N/C oxygen reduction reaction composite electrocatalyst
CN105810982A (en) * 2016-05-05 2016-07-27 福州大学 Proton exchange membrane fuel cell catalyst carrier with high conductivity

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101601154A (en) * 2006-09-13 2009-12-09 阿克伦大学 The carbon monoxide-olefin polymeric that is used for fuel cell
CN102324531A (en) * 2011-05-26 2012-01-18 东华大学 Carbon-supported CoN fuel-cell catalyst as well as preparation method and application thereof
CN102916203A (en) * 2012-11-07 2013-02-06 武汉理工大学 Cathode non-platinum catalyst of proton exchange membrane fuel cell and preparation method thereof
CN105789644A (en) * 2016-03-02 2016-07-20 中南大学 Preparation method for Fe-N/C oxygen reduction reaction composite electrocatalyst
CN105810982A (en) * 2016-05-05 2016-07-27 福州大学 Proton exchange membrane fuel cell catalyst carrier with high conductivity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113130918A (en) * 2019-12-31 2021-07-16 广州市香港科大***研究院 High-catalytic-performance M-N-C catalyst and preparation method and application thereof
CN113130918B (en) * 2019-12-31 2022-08-26 广州市香港科大***研究院 High-catalytic-performance M-N-C catalyst and preparation method and application thereof

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