CN104926296B - High saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal - Google Patents
High saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal Download PDFInfo
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Abstract
The invention discloses a kind of high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal, including principal component, auxiliary element, precipitating reagent and dispersant；Principal component includes MnSO4·4H2O, FeSO4·7H2O and ZnSO4·7H2O, auxiliary element includes CuSO4·5H2O、CuO、Fe2O3And NiO；The mass ratio of principal component, auxiliary element, precipitating reagent and dispersant is 6~8：1~2：0.5~0.8：0.2~0.5.The present invention is designed by manganese, zinc, the Reasonable when apolegamy of auxiliary element of iron content and formula, the performance of the Mn-Zn-Ferrite Nano-crystal of gained is set to be greatly improved compared with traditional material, saturation induction density with superelevation power consumption and resistivity high, ultralow, excellent combination property, miniaturization, lightening and multifunction application demand are completely suitable for, are had a extensive future.
Description
Technical field
The present invention relates to manganese-zinc ferrite technical field, more particularly to a kind of high saturated magnetic induction low-loss nanometer
Brilliant manganese-zinc ferrite.
Background technology
Mn-Zn ferrites, also known as magnetic ceramics, are the soft magnetic ferrites with spinel structure, with magnetic conductance high
The advantages of rate, saturation magnetization higher, less coercivity, resistivity higher, it is widely used in computer, communication, thunder
Up to the field such as, space technology and household electrical appliance.
At present, with the development of scientific and technological information, power electronic devices is to miniaturization, lightening and multifunction direction hair
Exhibition, soft magnetic bodies have obtained increasingly being widely applied in such devices, and indispensable as volume, reduction power consumption etc. is reduced
Few component.And existing Mn-Zn Ferrite Materials can not fully meet the demand.
The content of the invention
The present invention solves the technical problem of a kind of nanocrystalline MnZn iron of high saturated magnetic induction low-loss of offer
Oxysome, can be applicable miniaturization, lightening and multifunction application demand.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of high-saturation magnetic induction strong
Degree low-loss Mn-Zn-Ferrite Nano-crystal, including：Principal component, auxiliary element, precipitating reagent and dispersant；The principal component includes
MnSO4·4H2O, FeSO4·7H2O and ZnSO4·7H2O, the auxiliary element includes CuSO4·5H2O、CuO、Fe2O3And NiO；
The mass ratio of the principal component, auxiliary element, precipitating reagent and dispersant is 6~8：1~2：0.5~0.8：0.2~0.5.
In a preferred embodiment of the present invention, MnSO in the principal component4·4H2O, FeSO4·7H2O and ZnSO4·
7H2The mass percent of O is： FeSO4·7H2O 45~53%, ZnSO4·7H2O 25~37%, MnSO4·4H2O 18~
22%。
In a preferred embodiment of the present invention, CuSO in the auxiliary element4·5H2O、CuO、Fe2O3With the matter of NiO
Measuring percentage is：CuSO4·5H2O 40~55%, CuO 15~20%, Fe2O3 10~18%, NiO 12~25%.
In a preferred embodiment of the present invention, the precipitating reagent is（NH4）2C2O4·H2O。
In a preferred embodiment of the present invention, the dispersant is polyethylene glycol.
In a preferred embodiment of the present invention, the initial permeability of the Mn-Zn-Ferrite Nano-crystal be 2300~
Saturation induction density at 2800,25 DEG C is 980~1500Bs/mT；Resistivity at 25 DEG C is 1.3~1.8 × 106ρ/Ω
m；Power consumption in 25~100 DEG C of temperature ranges is 25~46kw/m3。
The beneficial effects of the invention are as follows：A kind of high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal of the present invention,
Designed by manganese, zinc, the Reasonable when apolegamy of auxiliary element of iron content and formula, make the nanocrystalline MnZn iron of gained
The performance of oxysome is greatly improved compared with traditional material, the power consumption high, ultralow of the saturation induction density with superelevation and resistance
Rate, excellent combination property is completely suitable for miniaturization, lightening and multifunction application demand, has a extensive future.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly being defined so as to be made to protection scope of the present invention.
The embodiment of the present invention includes：
Embodiment 1
Present invention is disclosed a kind of high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal, the nanocrystalline MnZn iron
Oxysome is 6 by mass ratio：1：0.8：0.2 principal component, auxiliary element, precipitating reagent and dispersant composition；Wherein, it is described it is main into
Point raw material and its mass percent be：FeSO4·7H2O 45%、ZnSO4·7H2O 23%、MnSO4·4H2O 22%；It is described auxiliary
The raw material and its mass percent of co-ingredients be：CuSO4·5H2O 50%、CuO 15%、Fe2O3 10%、NiO 25%；The precipitation
Agent is（NH4）2C2O4·H2O；The dispersant is polyethylene glycol.
The initial permeability of the Mn-Zn-Ferrite Nano-crystal be 2300,25 DEG C when saturation induction density be
1200Bs/mT；Resistivity at 25 DEG C is 1.3 × 106 ρ/Ω m；Power consumption in 25~100 DEG C of temperature ranges is 30kw/m3。
Embodiment 2
Present invention is disclosed a kind of high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal, the nanocrystalline MnZn iron
Oxysome is 8 by mass ratio：2：0.8：0.5 principal component, auxiliary element, precipitating reagent and dispersant composition；Wherein, it is described it is main into
Point raw material and its mass percent be：FeSO4·7H2O 53%、ZnSO4·7H2O 29%、MnSO4·4H2O 18%；It is described auxiliary
The raw material and its mass percent of co-ingredients be：CuSO4·5H2O 55%、CuO 15%、Fe2O318%、NiO 12%；The precipitation
Agent is（NH4）2C2O4·H2O；The dispersant is polyethylene glycol.
The initial permeability of the Mn-Zn-Ferrite Nano-crystal be 2800,25 DEG C when saturation induction density be
1500Bs/mT；Resistivity at 25 DEG C is 1.8 × 106ρ/Ωm；Power consumption in 25~100 DEG C of temperature ranges is 46kw/m3。
Embodiment 3
Present invention is disclosed a kind of high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal, the nanocrystalline MnZn iron
Oxysome is 7 by mass ratio：1.5：0.5：0.3 principal component, auxiliary element, precipitating reagent and dispersant composition；Wherein, the master
The raw material and its mass percent of composition be：FeSO4·7H2O 50%、ZnSO4·7H2O 30%、MnSO4·4H2O 20%；It is described
The raw material and its mass percent of auxiliary element be：CuSO4·5H2O 40%、CuO 20%、Fe2O316%、NiO 23%；It is described heavy
Shallow lake agent is（NH4）2C2O4·H2O；The dispersant is polyethylene glycol.
The initial permeability of the Mn-Zn-Ferrite Nano-crystal be 2500,25 DEG C when saturation induction density be
1300Bs/mT；Resistivity at 25 DEG C is 1.5 × 106ρ/Ωm；Power consumption in 25~100 DEG C of temperature ranges is 32kw/m3。
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (3)
1. a kind of high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal, it is characterised in that including：Principal component, auxiliary
Composition, precipitating reagent and dispersant；The principal component includes MnSO4·4H2O, FeSO4·7H2O and ZnSO4·7H2O, it is described auxiliary
Co-ingredients includes CuSO4·5H2O、CuO、Fe2O3And NiO；The quality of the principal component, auxiliary element, precipitating reagent and dispersant
Ratio is 6~8：1~2：0.5~0.8：0.2~0.5；MnSO in the principal component4·4H2O, FeSO4·7H2O and ZnSO4·
7H2The mass percent of O is：FeSO4·7H2O 45~53%, ZnSO4·7H2O 25~37%, MnSO4·4H2O 18~
22%；CuSO in the auxiliary element4·5H2O、CuO、Fe2O3Mass percent with NiO is：CuSO4·5H2O 50~
55%th, CuO 15~20%, Fe2O310~18%, NiO 12~25%；The initial permeability of the Mn-Zn-Ferrite Nano-crystal is
Saturation induction density at 2300~2800,25 DEG C is 980~1500Bs/mT；Electricalresistivityρ at 25 DEG C is 1.3~1.8
×106Ωm；Power consumption in 25~100 DEG C of temperature ranges is 25~46kW/m.
2. the high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal according to claim 1, it is characterised in that
The precipitating reagent is（NH4）2C2O4·H2O。
3. the high saturated magnetic induction low-loss Mn-Zn-Ferrite Nano-crystal according to claim 1, it is characterised in that
The dispersant is polyethylene glycol.
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| CN101429017B (en) * | 2008-12-06 | 2011-12-28 | 广东风华高新科技股份有限公司 | Ferrite magnetic core for network communication and method for producing the same |
| CN102070332A (en) * | 2010-11-29 | 2011-05-25 | 苏州天铭磁业有限公司 | Nano-crystal Mn-Zn ferrite magnetic material with high initial permeability and high thermal-magnetic sensitivity and preparation method of nano-crystal Mn-Zn ferrite magnetic material |
| CN102693806B (en) * | 2012-01-19 | 2015-09-16 | 横店集团东磁股份有限公司 | A kind of network transformer Mn-Zn high magnetic conductivity ferrite and preparation method thereof |
| CN102751065B (en) * | 2012-06-29 | 2015-10-28 | 电子科技大学 | Broad temperature, broadband low-loss MnZn power ferrite material and preparation method thereof |
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Denomination of invention: High saturation magnetic induction and low loss nanocrystalline Mn Zn ferrite Effective date of registration: 20211108 Granted publication date: 20170606 Pledgee: Jiangsu Changshu Rural Commercial Bank Co., Ltd. Dayi sub branch Pledgor: Suzhou Tianming Magnetic Industry Co., Ltd Registration number: Y2021320010453 |
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