CN102689886A - Method for preparing tin-doped barium iron phosphate - Google Patents
Method for preparing tin-doped barium iron phosphate Download PDFInfo
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- CN102689886A CN102689886A CN2012101554710A CN201210155471A CN102689886A CN 102689886 A CN102689886 A CN 102689886A CN 2012101554710 A CN2012101554710 A CN 2012101554710A CN 201210155471 A CN201210155471 A CN 201210155471A CN 102689886 A CN102689886 A CN 102689886A
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- barium
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- iron phosphate
- alloying element
- phosphate
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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
- 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
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a method for preparing tin-doped barium iron phosphate. The chemical formula of the tin-doped barium iron phosphate is Ba(FePO4)2; the materials of barium source, iron source and phosphate radical source are measured according to the mol ratio of the chemical formula Ba(FePO4)2; a doping element source is calculated according to weight of theoretically generable barium iron phosphate; the added doped element is calculated according to the weight percentage of 0.1-5%; above materials are mixed, subjected to ball-milling for 15-20 hours at high speed in ethanol medium and dried at 105-120 DEG C to obtain a precursor, and the baked precursor is arranged in a high-temperature furnace and calcined for 2-4 hours in nitrogen atmosphere at 300-450 DEG C to obtain the product. The product is mainly used as reducing agent, deoxidizer and food preservative, materials of electronic elements and cells, and additives for smelting, alloy production, glass production and the like, and has the characteristics of abundant resources, low cost, environmental protection, non-pollution and the like.
Description
Technical field
Tin dope 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 tin dope tertiary iron phosphate barium.
The preparation method of tin dope 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 tin dope 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 tindioxide SnO2 etc.
The present invention's beneficial effect compared with prior art:
Tin dope 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
Tin dope 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 tin dope 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: be tindioxide SnO2 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope 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 tin, and Xi Yuan is tindioxide SnO2 (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 tin dope tertiary iron phosphate barium product of the present invention through 300-450 ℃ of high-temperature calcination 2-4h.
Doping phosphoric acid iron 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 tin dope 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; Tin dope 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 tin dope 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 tin dope 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 tindioxide.
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| CN2012101554710A CN102689886A (en) | 2012-05-18 | 2012-05-18 | Method for preparing tin-doped barium iron phosphate |
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| CN2012101554710A CN102689886A (en) | 2012-05-18 | 2012-05-18 | Method for preparing tin-doped barium iron phosphate |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2012
- 2012-05-18 CN CN2012101554710A patent/CN102689886A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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》, vol. 181, 28 May 2008 (2008-05-28), pages 2292 - 2297 * |
| ALEXEI A. BELIK ET AL.: "SrFe2(PO4)2: Ab Initio Structure Determination with X-ray Powder Diffraction Data and Unusual Magnetic Properties", 《CHEM. MATER.》, vol. 16, no. 22, 29 September 2004 (2004-09-29), pages 4311 - 4318 * |
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Application publication date: 20120926 |