CN102689887A - Method for preparing zinc doped barium iron phosphate - Google Patents
Method for preparing zinc doped barium iron phosphate Download PDFInfo
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- CN102689887A CN102689887A CN201210155473XA CN201210155473A CN102689887A CN 102689887 A CN102689887 A CN 102689887A CN 201210155473X A CN201210155473X A CN 201210155473XA CN 201210155473 A CN201210155473 A CN 201210155473A CN 102689887 A CN102689887 A CN 102689887A
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- barium
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- zinc
- iron phosphate
- alloying element
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a method for preparing zinc doped barium iron phosphate which is represented as a chemical formula: Ba(FePO4)2. The method includes that raw materials of barium source, iron source and phosphate radical source are measured according to a mol (mole) ratio of the formula Ba(FePO4)2; doped element source is measured by weight percentage ranging from 0.1 to 5% according to the weight capable of generating the barium iron phosphate theoretically; after all the sources are doped, the doped sources are subjected to ball milling for 15 to 20 hours at a high speed in an ethanol medium, and then are dried at a temperature ranging from 105 DEG C to 120 DEG C to obtain a precursor; the precursor obtained from drying is disposed in a high temperature furnace, and is roasted for 2 to 4 hours at a temperature ranging from 300 DEG C to 450 DEG C at a nitrogen atmosphere to obtained a finished product. The zinc doped barium iron phosphate can be utilized for reductant, deoxidant and food preservative, or electronic element, raw battery material and additive for smelting, alloying and glass producing, and has the advantages of adequacy in raw materials, low cost, environment-friendliness, no pollution and the like.
Description
Technical field
Zinc doping tertiary iron phosphate barium of the present invention belongs to a kind of novel material.
Background technology
At present, still find no the report and the record of ferric phosphate barium compound.Through the retrieval of publication, investigations such as the information of internet and books and periodicals, magazine, market do not have to find the patent documentation identical with technical products of the present invention, do not see report or sale with technology of the present invention or product yet.
Summary of the invention
The objective of the invention is to: the preparation method who proposes a kind of zinc doping tertiary iron phosphate barium.
The preparation method of zinc doping tertiary iron phosphate barium of the present invention is characterized in that: its chemical formula is: Ba (FePO
4)
2, the raw material of its barium source, source of iron, phosphoric acid root is according to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.1-5% scope weight percent, adds alloying element; After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention;
Said barium source is one of barium carbonate, hydrated barta, bariumchloride, nitrate of baryta, barium oxide, barium sulphide; Source of iron is Ferrox, ferrous chloride, iron trichloride, red stone etc.; The phosphoric acid root is: phosphoric acid, sodium phosphate salt, one of primary ammonium phosphate or Secondary ammonium phosphate;
Said alloying element source: be one of zinc carbonate ZnCO3, zinc oxide ZnO etc.
The present invention's beneficial effect compared with prior art:
Zinc doping tertiary iron phosphate barium product of the present invention is mainly as reductive agent, reductor, food deoxidizing antistaling agent; Be used as the raw materials for production of raw materials for production, manufacturing cell positive material and the battery thereof of materials of electronic components or manufacturing electronic component; Be used to smelt, the additive of alloy, glass production; It is very sufficient to have raw material, at the bottom of the production cost, and characteristics such as environment friendly and pollution-free; As cell positive material, the relative barium electropotential of its charge and discharge platform is about 3.6V, and initial discharge capacity surpasses 187mAh/g, and capacity decays about 0.2% approximately after 100 charge and discharge cycles; Specific storage and cyclical stability compared with prior art are greatly improved, and the production cost price is lower more than tens of times than prior art.
Embodiment
Below in conjunction with embodiment the present invention is described further, but embodiment of the present invention is not limited thereto.
Embodiment 1
Zinc doping tertiary iron phosphate barium preparation method of the present invention is characterized in that: the raw material of its barium source, source of iron, phosphoric acid root, and according to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, presses 0.1-5% scope weight percent and calculates, and adds alloying element; After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry, obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus; In nitrogen atmosphere,, promptly get zinc doping tertiary iron phosphate barium product of the present invention through 300-450 ℃ of high-temperature calcination 2-4h;
Said barium source is one of barium carbonate, hydrated barta, bariumchloride, nitrate of baryta, barium oxide, barium sulphide; Source of iron is Ferrox, ferrous chloride, iron trichloride, red stone etc.; The phosphoric acid root is: phosphoric acid, sodium phosphate salt, one of primary ammonium phosphate or Secondary ammonium phosphate;
Said alloying element source: the zinc source is one of zinc carbonate ZnCO3, zinc oxide ZnO etc.
Embodiment 2
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 1% (weight percent) and adds alloying element zinc, and the zinc source is zinc carbonate ZnCO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 3
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.5% (weight percent) and adds alloying element zinc, and the zinc source is zinc carbonate ZnCO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 4
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.1% (weight percent) and adds alloying element zinc, and the zinc source is zinc carbonate ZnCO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 5
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 4.5% (weight percent) and adds alloying element zinc, and the zinc source is zinc carbonate ZnCO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 6
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 3% (weight percent) and adds alloying element zinc, and the zinc source is zinc oxide ZnO (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 7
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 1.5% (weight percent) and adds alloying element zinc, and the zinc source is zinc carbonate ZnCO3 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 8
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.6% (weight percent) and adds alloying element zinc, and the zinc source is zinc oxide ZnO (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 9
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 2% (weight percent) and adds alloying element zinc, and the zinc source is zinc oxide ZnO (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 10
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 1% (weight percent) and adds alloying element zinc, and the zinc source is zinc oxide ZnO (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 11
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 5% (weight percent) and adds alloying element zinc, and the zinc source is zinc oxide ZnO (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention.
Embodiment 12
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.3% (weight percent) and adds alloying element zinc, and the zinc source is zinc oxide ZnO (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry, obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus; In nitrogen atmosphere,, promptly get zinc doping tertiary iron phosphate barium product of the present invention through 300-450 ℃ of high-temperature calcination 2-4h.
Zinc doping tertiary iron phosphate barium product of the present invention is mainly as reductive agent, reductor, food deoxidizing antistaling agent; The raw materials for production of materials of electronic components or manufacturing electronic component, the raw materials for production of manufacturing cell positive material and battery thereof; Be used to smelt, the additive of alloy, glass production.
It has extremely strong reducing property zinc doping tertiary iron phosphate barium product of the present invention, and it contacts with air, gets final product oxidation by air, becomes brown or yellow by dark color; Can be widely used in reduction, the deoxidation industry production; Because its nontoxic, water insoluble and organic solvent can generally be used for food deoxidizing antistaling agent (non-food product additive), and deixis is arranged.
As cell positive material, can be used as battery material, mainly as cell positive material; Also can be used as materials of electronic components.As cell positive material; Adopt the testing apparatus of prior art and the testing method of prior art; Zinc doping tertiary iron phosphate barium product to above embodiment 1-12; Test respectively: the relative barium electropotential of its charge and discharge platform is about 3.6V, and initial discharge capacity surpasses 187mAh/g, and capacity decays about 0.2% approximately after 100 charge and discharge cycles; Specific storage and cyclical stability compared with prior art are greatly improved, and the production cost price is lower more than tens of times than prior art.
Be used to smelt, the additive of alloy, glass production; Be used for smelting, alloy production additive, but the improved products performance; The additive that is used for glass production can obtain required special glass product.
Claims (1)
1. the preparation method of a zinc doping tertiary iron phosphate barium, it is characterized in that: its chemical formula is: Ba (FePO
4)
2, the raw material of its barium source, source of iron, phosphoric acid root is according to chemical formula Ba (FePO
4)
2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.1-5% scope weight percent, adds alloying element; After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get zinc doping tertiary iron phosphate barium product of the present invention;
Said barium source is one of barium carbonate, hydrated barta, bariumchloride, nitrate of baryta, barium oxide, barium sulphide; Source of iron is Ferrox, ferrous chloride, iron trichloride, red stone etc.; The phosphoric acid root is: phosphoric acid, sodium phosphate salt, one of primary ammonium phosphate or Secondary ammonium phosphate;
Said alloying element source: be one of zinc carbonate, zinc oxide.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104326465A (en) * | 2014-09-22 | 2015-02-04 | 安徽科技学院 | Preparation method of phosphate functional material with vice celsian structure crystal structure |
Citations (2)
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CN1800000A (en) * | 2004-12-31 | 2006-07-12 | 山西超新金属材料有限公司 | Barium metaphosphorate production process |
CN102347486A (en) * | 2011-10-26 | 2012-02-08 | 吴润秀 | Method for preparing barium-activated lithium iron phosphate cathode material |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1800000A (en) * | 2004-12-31 | 2006-07-12 | 山西超新金属材料有限公司 | Barium metaphosphorate production process |
CN102347486A (en) * | 2011-10-26 | 2012-02-08 | 吴润秀 | Method for preparing barium-activated lithium iron phosphate cathode material |
Non-Patent Citations (2)
Title |
---|
ALEXEI A. BELIK ET AL.: "Neutron powder diffraction study of the magnetic and crystal structures of SrFe2(PO4)2", 《JOURNAL OF SOLID STATE CHEMISTRY》 * |
ALEXEI A. BELIK ET AL.: "SrFe2(PO4)2: Ab Initio Structure Determination with X-ray Powder Diffraction Data and Unusual Magnetic Properties", 《CHEM. MATER.》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104326465A (en) * | 2014-09-22 | 2015-02-04 | 安徽科技学院 | Preparation method of phosphate functional material with vice celsian structure crystal structure |
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Application publication date: 20120926 |