CN104882240B - A kind of magnetic material for photovoltaic inverter and preparation method thereof - Google Patents
A kind of magnetic material for photovoltaic inverter and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of magnetic material for photovoltaic inverter, the magnetic material is a kind of MnZn ferrites, and the magnetic material includes principal component and auxiliary element, and principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component includes following components by weight percentage：Mn：8.80 9.30%, Zn：7.12 9.27%, Si：2.10 4.30%, Al：2.53‑2.57%,C：0.51 1.35%, Cr：0.45 0.62%, Ti：0.18 0.32%, Y：0.18 0.25%, V：0.20 0.36%, Cu：0.73 0.87%, Ni:0.80 0.87%, surplus is iron and not eliminable impurity, and wherein iron mainly exists in the form of di-iron trioxide, and zinc exists to aoxidize zinc fraction；Auxiliary element includes following components by weight percentage：Ce：8 12%, Pr：5‑7%,Ho：0‑3%,Dy：15 25%, Er：2 6%, Eu：0 4%, surplus La.Pass through the adjustment to component and technique of the present invention, after adding rare earth element, so that the magnetic material of the present invention has good high frequency characteristics, the common scope of application is in more than 1MHz, magnetic conductivity typically changes below 1500, the manufacture of material, the manufacture of axis magnetic core of transformer, the manufacture of inductor, manufacture of filter coil etc. are read suitable for various magnetic, it is write the fields such as reading, radio-frequency communication, radio and television in information very extensive application.
Description
Technical field
The present invention relates to a kind of composite magnetic, specifically a kind of magnetic material for photovoltaic inverter and its preparation
Method.
Background technology
The electric power that photovoltaic battery panel is converted is direct current, really to turn into alternating current workable for most occasions and just lack not
One special equipment -- inverter, the function of inverter are that direct current is converted into alternating current, and photovoltaic DC-to-AC converter is photovoltaic
System core device；The improvement of inverter performance for improve system reliability, efficiency, improve system lifetim, reduce into
This is most important.
Due to the particularity of photovoltaic generating system, DC stacked composition is more in inverter operating circuit, while the magnetic that works
Field intensity is larger, therefore and non-generic MnZn ferrite materials can meet to require.Work in photovoltaic DC-to-AC converter
MnZn ferrite materials must have preferable electromagnetic performance, i.e. high-frequency and low-consumption, while its DC superposition characteristic is excellent.
The content of the invention
The technical problems to be solved by the invention are, the shortcomings that for above prior art, propose a kind of photovoltaic DC-to-AC converter
With magnetic material and preparation method thereof, possess good high frequency characteristics, there is low thermal coefficient of expansion and low magnetostriction coefficient, height
The characteristics of frequency low-power consumption, high saturation magnetic flux density.
In order to solve the above-mentioned technical problem, the technical scheme is that being accomplished by the following way：A kind of light is provided
Inverter magnetic material is lied prostrate, the magnetic material is a kind of MnZn ferrites, and the magnetic material includes principal component and auxiliary element,
Principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component includes following components by weight percentage：Mn：
8.80-9.30%, Zn：7.12-9.27%, Si：2.10-4.30%, Al：2.53-2.57%, C：0.51-1.35%, Cr：
0.45-0.62%, Ti：0.18-0.32%, Y：0.18-0.25%, V：0.20-0.36%, Cu：0.73-0.87%, Ni:
0.80-0.87%, surplus are iron and not eliminable impurity, and wherein iron mainly exists in the form of di-iron trioxide, and zinc is to aoxidize
Zinc fraction is present；
Auxiliary element includes following components by weight percentage：Ce：8-12%, Pr：5-7%, Ho：0-3%, Dy：15-
25%, Er：2-6%, Eu：0-4%, surplus La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.016-0.018%, S：
0.012-0.014%.
The technical scheme that further limits of the present invention is：Foregoing magnetic material for photovoltaic inverter, the magnetic material bag
Principal component and auxiliary element are included, principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component is by weight percentage
Meter includes following components：Mn：8.80%, Zn：7.12%, Si：2.10%, Al：2.537%, C：0.51%, Cr：0.45%,
Ti：0.18%, Y：0.18%, V：0.20%, Cu：0.73%, Ni:0.80%, surplus is iron and not eliminable impurity, wherein
Iron mainly exists in the form of di-iron trioxide, and zinc exists to aoxidize zinc fraction；
Auxiliary element includes following components by weight percentage：Ce：8%, Pr：5%, Dy：15%, Er：2%, Eu：
1%, surplus La；Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.016%th, S：
0.012%.
Foregoing magnetic material for photovoltaic inverter, the magnetic material include principal component and auxiliary element, principal component and auxiliary
Co-ingredients is 12 by ratio of weight and the number of copies：1, wherein principal component includes following components by weight percentage：Mn：9.10%, Zn：
8.17%, Si：3.40%, Al：2.55%, C：0.87%, Cr：0.52%, Ti：0.22%, Y：0.20%, V：0.26%, Cu：
0.77%, Ni:0.84%, surplus is iron and not eliminable impurity, and wherein iron mainly exists in the form of di-iron trioxide, zinc with
Zinc fraction is aoxidized to exist；
Auxiliary element includes following components by weight percentage：Ce：10%, Pr：6%, Ho：2%, Dy：19%, Er：
4%, Eu：1%, surplus La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.017%th, S：
0.013%.
Foregoing magnetic material for photovoltaic inverter, the magnetic material include principal component and auxiliary element, principal component and auxiliary
Co-ingredients is 12 by ratio of weight and the number of copies：1, wherein principal component includes following components by weight percentage：Mn：9.30%, Zn：
9.27%, Si：4.30%, Al：2.57%, C：1.35%, Cr：0.62%, Ti：0.32%, Y：0.25%, V：0.36%, Cu：
0.87%, Ni:0.87%, surplus is iron and not eliminable impurity, and wherein iron exists in the form of di-iron trioxide, and zinc is to aoxidize
Zinc fraction is present；
Auxiliary element includes following components by weight percentage：Ce：12%, Pr：7%, Dy：25%, Er：6%, Eu：
4%, surplus La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.018%th, S：
0.014%.
A kind of preparation method of magnetic material for photovoltaic inverter, comprises the following steps：
(1) according to the proportioning of aforementioned component, the properly mixed salt component drawn through converting is weighed, the salt weighed is dissolved
In 100ml distilled water, stirring is to being completely dissolved；It is molten that the acetylacetone,2,4-pentanedione that concentration is 35-40mol/L is added into salting liquid again
Liquid, 20-30min is stirred at room temperature, generate dark brown suspension；
(2) dose volume ratio is 8: 3 acetone and water mixed solution, and the suspension that step (1) obtains is added into above-mentioned third
Ketone and water mixed solution, 50-65 DEG C of temperature is kept, to being completely dissolved, room temperature cools down for stirring；
(3) it is 2 according to complexing agent and metal ion mol ratio:1 ratio weighs appropriate oxalic acid and is dissolved in 50ml's
In distilled water, and stirring is completely dissolved it；
(4) in the solution for the salt that the enveloping agent solution that step (3) obtains is added slowly into step (2), and adding
During ceaselessly stir, maintain the temperature at 25-30 DEG C, it is sufficiently complexed, by appropriate grape after stirring 1 hour
Sugar adds above-mentioned solution；
(5) ammoniacal liquor is instilled into above-mentioned solution to be used to adjust its pH value, and the pH value of mixed solution is adjusted to 5.8-6.2,
By mixed solution heating stirring, 70 DEG C of heating-up temperature, 7-8 hours are stirred, you can gel is obtained,
(6) place the gel in drying box and dry 24 hours, 105-120 DEG C of drying temperature, colloid meeting in drying process
Rapidly expansion, fluffy xerogel is obtained after the completion of drying；Using the method for ball milling by the solution containing oligoacrylonitrile
It is well mixed with above-mentioned fluffy xerogel, in mass ratio, oligoacrylonitrile：Fluffy xerogel=0.2-0.5:3, evaporation
Solvent, drying at room temperature；
(7) in 230-250 DEG C of isothermal curing 3-5h, then grind, heat is carried out in the Muffle furnace being passed through under argon gas protection
Processing, 750-900 DEG C of calcination 4-6h, is incubated 2h, and rate of temperature fall is 3-5 DEG C/min, through calcining in ferric oxide powder particle surface
Carbon coating layer is formed, magnetic material carbon composite powder is made.
The beneficial effects of the invention are as follows：By the present invention the adjustment to component and technique, add rare earth element after so that
The magnetic material of the present invention has a good high frequency characteristics, and the common scope of application is in more than 1MHz, and magnetic conductivity is typically 1500
Change below, the manufacture of material, the manufacture of axis magnetic core of transformer, the manufacture of inductor, wave filtering wire are read suitable for various magnetic
Manufacture of circle etc., it is write the fields such as reading, radio-frequency communication, radio and television in information very extensive application.The present invention
Selected rare earth element is representative in atomic magnetic moment, and each rare earth element is all mixed using different content
It is miscellaneous, shown by detection, the ferritic magnetic properties of MnZn can be adjusted on certain Chengdu by rear-earth-doped, expand MnZn iron
The application of oxysome.
Embodiment
The present invention is described in further detail below：
Embodiment 1
The present embodiment provide a kind of magnetic material for photovoltaic inverter, the magnetic material include principal component and auxiliary into
Point, principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component includes following components by weight percentage：
Mn：8.80%, Zn：7.12%, Si：2.10%, Al：2.537%, C：0.51%, Cr：0.45%, Ti：0.18%, Y：
0.18%, V：0.20%, Cu：0.73%, Ni:0.80%, surplus is iron and not eliminable impurity, and wherein iron is with three oxidations two
Iron speciation is present, and zinc exists to aoxidize zinc fraction；
Auxiliary element includes following components by weight percentage：Ce：8%, Pr：5%, Dy：15%, Er：2%, Eu：
1%, surplus La；Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.016%th, S：
0.012%.
The manufacturing process of the present embodiment comprises the following steps：
(1) according to the proportioning of aforementioned component, the properly mixed salt component drawn through converting is weighed, the salt weighed is dissolved
In 100ml distilled water, stirring is to being completely dissolved；The acetylacetone,2,4-pentanedione solution that concentration is 35mol/L is added into salting liquid again,
20min is stirred at room temperature, generates dark brown suspension；
(2) dose volume ratio is 8: 3 acetone and water mixed solution, and the suspension that step (1) obtains is added into above-mentioned third
Ketone and water mixed solution, 50 DEG C of temperature is kept, to being completely dissolved, room temperature cools down for stirring；
(3) it is 2 according to complexing agent and metal ion mol ratio:1 ratio weighs appropriate oxalic acid and is dissolved in 50ml's
In distilled water, and stirring is completely dissolved it；
(4) in the solution for the salt that the enveloping agent solution that step (3) obtains is added slowly into step (2), and adding
During ceaselessly stir, maintain the temperature at 25 DEG C, it is sufficiently complexed, by appropriate glucose after stirring 1 hour
Add above-mentioned solution；
(5) ammoniacal liquor is instilled into above-mentioned solution to be used to adjust its pH value, and the pH value of mixed solution is adjusted to 5.8, will be mixed
Solution heating stirring is closed, 70 DEG C of heating-up temperature, stirs 7-8 hours, you can gel is obtained,
(6) place the gel in drying box and dry 24 hours, 105 DEG C of drying temperature, colloid can be rapid in drying process
Expansion, dry after the completion of obtain fluffy xerogel；Using ball milling method by the solution containing oligoacrylonitrile with it is upper
Fluffy xerogel is stated to be well mixed, in mass ratio, oligoacrylonitrile：Fluffy xerogel=0.25:3, evaporation solvent, room
Temperature is dried；
(7) in 250 DEG C of isothermal curing 3h, then grind, be heat-treated in the Muffle furnace being passed through under argon gas protection,
750 DEG C of calcination 6h, are incubated 2h, and rate of temperature fall is 3 DEG C/min, and carbon coating layer is formed in ferric oxide powder particle surface through calcining,
Magnetic material carbon composite powder is made.
Embodiment 2
The present embodiment provide a kind of magnetic material for photovoltaic inverter, the magnetic material include principal component and auxiliary into
Point, principal component and auxiliary element are by ratio of weight and the number of copies 12: 1, and wherein principal component includes following components by weight percentage：
Mn：9.10%, Zn：8.17%, Si：3.40%, Al：2.55%, C：0.87%, Cr：0.52%, Ti：0.22%, Y：
0.20%, V：0.26%, Cu：0.77%, Ni:0.84%, surplus is iron and not eliminable impurity, and wherein iron is with three oxidations two
Iron speciation is present, and zinc exists to aoxidize zinc fraction；
Auxiliary element includes following components by weight percentage：Ce：10%, Pr：6%, Ho：2%, Dy：19%, Er：
4%, Eu：1%, surplus La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.017%th, S：
0.013%.
The manufacturing process of the present embodiment comprises the following steps：
(1) according to the proportioning of aforementioned component, the properly mixed salt component drawn through converting is weighed, the salt weighed is dissolved
In 100ml distilled water, stirring is to being completely dissolved；The acetylacetone,2,4-pentanedione solution that concentration is 40mol/L is added into salting liquid again,
25min is stirred at room temperature, generates dark brown suspension；
(2) dose volume ratio is 8: 3 acetone and water mixed solution, and the suspension that step (1) obtains is added into above-mentioned third
Ketone and water mixed solution, 55 DEG C of temperature is kept, to being completely dissolved, room temperature cools down for stirring；
(3) it is 2 according to complexing agent and metal ion mol ratio:1 ratio weighs appropriate oxalic acid and is dissolved in 50ml's
In distilled water, and stirring is completely dissolved it；
(4) in the solution for the salt that the enveloping agent solution that step (3) obtains is added slowly into step (2), and adding
During ceaselessly stir, maintain the temperature at 28 DEG C, it is sufficiently complexed, by appropriate glucose after stirring 1 hour
Add above-mentioned solution；
(5) ammoniacal liquor is instilled into above-mentioned solution to be used to adjust its pH value, and the pH value of mixed solution is adjusted to 6.0, will be mixed
Solution heating stirring is closed, 70 DEG C of heating-up temperature, is stirred 7 hours, you can gel is obtained,
(6) place the gel in drying box and dry 24 hours, 110 DEG C of drying temperature, colloid can be rapid in drying process
Expansion, dry after the completion of obtain fluffy xerogel；Using ball milling method by the solution containing oligoacrylonitrile with it is upper
Fluffy xerogel is stated to be well mixed, in mass ratio, oligoacrylonitrile：Fluffy xerogel=0.4:3, evaporation solvent, room
Temperature is dried；
(7) in 240 DEG C of isothermal curing 4h, then grind, be heat-treated in the Muffle furnace being passed through under argon gas protection,
800 DEG C of calcination 5h, are incubated 2h, and rate of temperature fall is 4 DEG C/min, and carbon coating layer is formed in ferric oxide powder particle surface through calcining,
Magnetic material carbon composite powder is made.
Embodiment 3
The present embodiment provide a kind of magnetic material for photovoltaic inverter, the magnetic material include principal component and auxiliary into
Point, principal component and auxiliary element are by ratio of weight and the number of copies 12: 1, and wherein principal component includes following components by weight percentage：
Mn：9.30%, Zn：9.27%, Si：4.30%, Al：2.57%, C：1.35%, Cr：0.62%, Ti：0.32%, Y：
0.25%, V：0.36%, Cu：0.87%, Ni:0.87%, surplus is iron and not eliminable impurity, and wherein iron is with three oxidations two
Iron speciation is present, and zinc exists to aoxidize zinc fraction；
Auxiliary element includes following components by weight percentage：Ce：12%, Pr：7%, Dy：25%, Er：6%, Eu：
4%, surplus La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.018%th, S：
0.014%.
The manufacturing process of the present embodiment comprises the following steps：
(1) according to the proportioning of aforementioned component, the properly mixed salt component drawn through converting is weighed, the salt weighed is dissolved
In 100ml distilled water, stirring is to being completely dissolved；The acetylacetone,2,4-pentanedione solution that concentration is 38mol/L is added into salting liquid again,
30min is stirred at room temperature, generates dark brown suspension；
(2) dose volume ratio is 8: 3 acetone and water mixed solution, and the suspension that step (1) obtains is added into above-mentioned third
Ketone and water mixed solution, 65 DEG C of temperature is kept, to being completely dissolved, room temperature cools down for stirring；
(3) it is 2 according to complexing agent and metal ion mol ratio:1 ratio weighs appropriate oxalic acid and is dissolved in 50ml's
In distilled water, and stirring is completely dissolved it；
(4) in the solution for the salt that the enveloping agent solution that step (3) obtains is added slowly into step (2), and adding
During ceaselessly stir, maintain the temperature at 30 DEG C, it is sufficiently complexed, by appropriate glucose after stirring 1 hour
Add above-mentioned solution；
(5) ammoniacal liquor is instilled into above-mentioned solution to be used to adjust its pH value, and the pH value of mixed solution is adjusted to 6.2, will be mixed
Solution heating stirring is closed, 70 DEG C of heating-up temperature, is stirred 8 hours, you can gel is obtained,
(6) place the gel in drying box and dry 24 hours, 120 DEG C of drying temperature, colloid can be rapid in drying process
Expansion, dry after the completion of obtain fluffy xerogel；Using ball milling method by the solution containing oligoacrylonitrile with it is upper
Fluffy xerogel is stated to be well mixed, in mass ratio, oligoacrylonitrile：Fluffy xerogel=0.5:3, evaporation solvent, room
Temperature is dried；
(7) in 250 DEG C of isothermal curing 3h, then grind, be heat-treated in the Muffle furnace being passed through under argon gas protection,
900 DEG C of calcination 4h, are incubated 2h, and rate of temperature fall is 5 DEG C/min, and carbon coating layer is formed in ferric oxide powder particle surface through calcining,
Magnetic material carbon composite powder is made.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (5)
1. a kind of magnetic material for photovoltaic inverter, the magnetic material is a kind of MnZn ferrites, it is characterised in that：The magnetic material
Material includes principal component and auxiliary element, and principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component by weight hundred
Divide and include following components than meter：Mn：8.80-9.30%, Zn：7.12-9.27%, Si：2.10-4.30%, Al：2.53-2.57%, C：
0.51-1.35%, Cr：0.45-0.62%, Ti：0.18-0.32%, Y：0.18-0.25%, V：0.20-0.36%, Cu：0.73-
0.87%, Ni:0.80-0.87%, surplus are iron and not eliminable impurity, and wherein iron exists in the form of di-iron trioxide, zinc with
Zinc fraction is aoxidized to exist；
Auxiliary element includes following components by weight percentage：Ce：8-12%, Pr：5-7%, Ho：0-3%, Dy：15-25%, Er：
2-6%, Eu：0-4%, surplus La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.016-0.018%、S：0.012-
0.014%。
2. magnetic material for photovoltaic inverter according to claim 1, it is characterised in that：The magnetic material includes principal component
And auxiliary element, principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component by weight percentage include with
Lower component：Mn：8.80%, Zn：7.12%, Si：2.10%, Al：2.537%, C：0.51%, Cr：0.45%, Ti：0.18%, Y：
0.18%, V：0.20%, Cu：0.73%, Ni:0.80%, surplus is iron and not eliminable impurity, and wherein iron is with di-iron trioxide
Form is present, and zinc exists to aoxidize zinc fraction；
Auxiliary element includes following components by weight percentage：Ce：8%, Pr：5%, Dy：15%, Er：2%, Eu：1%, surplus is
La；Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.016%、S：0.012%.
3. magnetic material for photovoltaic inverter according to claim 1, it is characterised in that：The magnetic material includes principal component
And auxiliary element, principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component by weight percentage include with
Lower component：Mn：9.10%, Zn：8.17%, Si：3.40%, Al：2.55%, C：0.87%, Cr：0.52%, Ti：0.22%, Y：
0.20%, V：0.26%, Cu：0.77%, Ni:0.84%, surplus is iron and not eliminable impurity, and wherein iron is with di-iron trioxide
Form is present, and zinc exists to aoxidize zinc fraction；
Auxiliary element includes following components by weight percentage：Ce：10%, Pr：6%, Ho：2%, Dy：19%, Er：4%, Eu：1%,
Surplus is La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.017%、S：0.013%.
4. magnetic material for photovoltaic inverter according to claim 1, it is characterised in that：The magnetic material includes principal component
And auxiliary element, principal component and auxiliary element are 12 by ratio of weight and the number of copies：1, wherein principal component by weight percentage include with
Lower component：Mn：9.30%, Zn：9.27%, Si：4.30%, Al：2.57%, C：1.35%, Cr：0.62%, Ti：0.32%, Y：0.25%,
V：0.36%, Cu：0.87%, Ni:0.87%, surplus is that iron and not eliminable impurity, wherein iron are deposited in the form of di-iron trioxide
In, zinc to aoxidize zinc fraction presence；
Auxiliary element includes following components by weight percentage：Ce：12%, Pr：7%, Dy：25%, Er：6%, Eu：4%, surplus is
La；
Impurity content wherein in principal component is controlled in N≤0.006%, H≤0.002%, P：0.018%、S：0.014%.
5. the preparation method of magnetic material for photovoltaic inverter according to claim 1, it is characterised in that including following step
Suddenly：
（1）According to the proportioning of component described in claim 1, the properly mixed salt component drawn through converting is weighed, by what is weighed
Salt is dissolved in 100ml distilled water, and stirring is to being completely dissolved；The acetyl that concentration is 35-40mol/L is added into salting liquid again
Acetone soln, 20-30min is stirred at room temperature, generate dark brown suspension；
（2）Dose volume ratio is 8: 3 acetone and water mixed solution, by step（1）Obtained suspension be added to above-mentioned acetone with
Water mixed solution, 50-65 DEG C of temperature is kept, to being completely dissolved, room temperature cools down for stirring；
（3）It is 2 according to complexing agent and metal ion mol ratio:1 ratio weighs appropriate oxalic acid and is dissolved in 50ml distillation
In water, and stirring is completely dissolved it；
（4）By step（3）The enveloping agent solution of acquisition is added slowly to step（2）Salt solution in, and in adition process
In ceaselessly stir, maintain the temperature at 25-30 DEG C, it is sufficiently complexed, stirring 1 hour after appropriate glucose is added
Enter solution；
（5）Ammoniacal liquor is instilled into solution to be used to adjust its pH value, and the pH value of mixed solution is adjusted to 5.8-6.2, will be mixed molten
Liquid heating stirring, 70 DEG C of heating-up temperature, stir 7-8 hours, you can obtain gel；
（6）Dry 24 hours in drying box, 105-120 DEG C of drying temperature is placed the gel in, colloid can be rapid in drying process
Expansion, dry after the completion of obtain fluffy xerogel；Using ball milling method by the solution containing oligoacrylonitrile with it is upper
Fluffy xerogel is stated to be well mixed, in mass ratio, oligoacrylonitrile：Fluffy xerogel=0.2-0.5:3, evaporation solvent,
Drying at room temperature；
（7）In 230-250 DEG C of isothermal curing 3-5h, then grind, be heat-treated in the Muffle furnace being passed through under argon gas protection,
750-900 DEG C of calcination 4-6h, is incubated 2h, and rate of temperature fall is 3-5 DEG C/min, and carbon is formed in ferric oxide powder particle surface through calcining
Clad, magnetic powders are made.
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| CN107162581A (en) * | 2017-06-08 | 2017-09-15 | 合肥华盖光伏科技有限公司 | A kind of photovoltaic DC-to-AC converter high-performance manganese-zinc magnetic material and preparation method thereof |
| CN108164261A (en) * | 2018-01-23 | 2018-06-15 | 合肥华盖光伏科技有限公司 | A kind of photovoltaic transformer magnetic material and preparation method thereof |
| CN111403138B (en) * | 2020-04-12 | 2021-09-14 | 和也健康科技有限公司 | Carbon composite nickel-zinc soft magnetic ferrite material and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237923A (en) * | 1994-01-07 | 1995-09-12 | Japan Synthetic Rubber Co Ltd | Hollow particle containing ferrite |
| CN1486958A (en) * | 2003-04-01 | 2004-04-07 | 上海大学 | Prepn of doped magnetic ferrite material |
| CN1631839A (en) * | 2004-03-11 | 2005-06-29 | 横店集团东磁有限公司 | Low-temperature sintered NiCuZn ferrite material and its preparation method |
| CN101269953A (en) * | 2008-05-01 | 2008-09-24 | 浙江师范大学 | Soft magnetic ferrite with highly saturated magnetization strength and preparation method thereof |
| CN101521071A (en) * | 2008-11-13 | 2009-09-02 | 中南大学 | Fabrication method of broad-band high-conductive manganese-zinc ferrite magnetic core |
| CN101661823A (en) * | 2009-06-04 | 2010-03-03 | 李建军 | Soft chemical method for synthesizing soft magnetic ferrite |
| CN103396108A (en) * | 2013-06-26 | 2013-11-20 | 蚌埠市高华电子有限公司 | Soft magnetic ferrite material and preparation method thereof |
| CN103413644A (en) * | 2013-07-25 | 2013-11-27 | 中国石油大学(华东) | Method for preparing samarium cobalt magnetic powder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101481243B (en) * | 2009-02-24 | 2011-08-31 | 上海大学 | Method for directly preparing MnZn ferrite material from nanocrystalline MnZn powder |
| CN102110508B (en) * | 2010-12-31 | 2012-08-15 | 深圳大学 | Preparation method of iron-based magnetic material/carbon composite powder |
| CN102173767B (en) * | 2011-01-17 | 2013-05-15 | 临沂中瑞电子有限公司 | Magnetic material for photovoltaic inverter |
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2015
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237923A (en) * | 1994-01-07 | 1995-09-12 | Japan Synthetic Rubber Co Ltd | Hollow particle containing ferrite |
| CN1486958A (en) * | 2003-04-01 | 2004-04-07 | 上海大学 | Prepn of doped magnetic ferrite material |
| CN1631839A (en) * | 2004-03-11 | 2005-06-29 | 横店集团东磁有限公司 | Low-temperature sintered NiCuZn ferrite material and its preparation method |
| CN101269953A (en) * | 2008-05-01 | 2008-09-24 | 浙江师范大学 | Soft magnetic ferrite with highly saturated magnetization strength and preparation method thereof |
| CN101521071A (en) * | 2008-11-13 | 2009-09-02 | 中南大学 | Fabrication method of broad-band high-conductive manganese-zinc ferrite magnetic core |
| CN101661823A (en) * | 2009-06-04 | 2010-03-03 | 李建军 | Soft chemical method for synthesizing soft magnetic ferrite |
| CN103396108A (en) * | 2013-06-26 | 2013-11-20 | 蚌埠市高华电子有限公司 | Soft magnetic ferrite material and preparation method thereof |
| CN103413644A (en) * | 2013-07-25 | 2013-11-27 | 中国石油大学(华东) | Method for preparing samarium cobalt magnetic powder |
Non-Patent Citations (1)
| Title |
|---|
| 超临界流体干燥法制备MnZn铁氧体超细粉末;姚志强;《磁性材料与器件》;19981231;第29卷(第1期);全文 * |
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