CN105521856A - Sanding device and method using zirconium balls in different sizes - Google Patents
Sanding device and method using zirconium balls in different sizes Download PDFInfo
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- CN105521856A CN105521856A CN201610092334.5A CN201610092334A CN105521856A CN 105521856 A CN105521856 A CN 105521856A CN 201610092334 A CN201610092334 A CN 201610092334A CN 105521856 A CN105521856 A CN 105521856A
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- sand mill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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Abstract
The invention provides a sanding device and method using zirconium balls in different sizes, and belongs to the field of sanding equipment. The sanding device comprises a stirrer, a first sanding machine, a second sanding machine and a third sanding machine which are sequentially communicated; a material conveyor is arranged between the stirrer and the first sanding machine, a material conveyor is arranged between the first sanding machine and the second sanding machine, and a material conveyor is arranged between the second sanding machine and the third sanding machine; and a plurality of big zirconium balls are arranged in the first sanding machine, a plurality of medium zirconium balls are arranged in the second sanding machine, and small zirconium balls are arranged in the third sanding machine. The sanding method includes the following steps that firstly, materials are injected into a stirring barrel to be evenly stirred; then the evenly-stirred materials are conveyed to the first sanding machine through the corresponding material conveyor for sanding; then the materials sanded through the first sanding machine are conveyed to the second sanding machine through the corresponding material conveyor for sanding; and finally the materials sanded through the second sanding machine are conveyed to the third sanding machine through the corresponding material conveyor for sanding.
Description
Technical field
The present invention relates to sand milling technical field, in particular to the sanding apparatus and the method that use different size zirconium ball.
Background technology
At present, at lithium ion battery material, particularly prepare in the process of nano-scale lithium iron phosphate positive electrode, in order to obtain the uniform lithium iron phosphate positive material of high-quality more rapidly, often need ferric lithium phosphate precursor to carry out sand milling, to realize the nanometer of LiFePO 4 material.
But, the method that current factory generally adopts imports in sand mill by ferric lithium phosphate precursor material, add a kind of zirconium ball and carry out sand milling, after several hours, test granularity reaches required material of deriving afterwards and carries out subsequent treatment, there is following shortcoming in above-mentioned technique: one, efficiency comparison is low, and the time is long; Two: be difficult to reach required granularity; Three: granularity substep scope is very large, and granular size is uneven.
Summary of the invention
The object of the present invention is to provide a kind of sanding apparatus and the method that use different size zirconium ball, to improve the problems referred to above.
The present invention is achieved in that
This agitator, the first sand mill, the second sand mill and the 3rd sand mill of using the sanding apparatus of different size zirconium ball to comprise to be communicated with successively, material conveyer is provided with between described agitator and the first sand mill, between described first sand mill and the second sand mill and between the second sand mill and the 3rd sand mill, multiple large zirconium ball is provided with in described first sand mill, be provided with multiple middle zirconium ball in described second sand mill, in described 3rd sand mill, be provided with little zirconium ball.
As preferably, in described 3rd sand mill, be provided with large zirconium ball and middle zirconium ball.
The object arranging the zirconium ball of three kinds of different sizes in the 3rd sand mill is sand milling efficiency and the effect of raising the 3rd sand mill, strengthens operating efficiency and the effect of this sanding apparatus further, ensures the uniformity of the particle that sand milling obtains.
In this actual design using the sanding apparatus of different size and manufacture process, described large zirconium ball, middle zirconium ball and little zirconium ball can adopt various sizes, specifically determine according to the actual requirements.As preferably, the diameter of described large zirconium ball is 0.6-0.8mm, and described middle zirconium ball is 0.3-0.6mm, and described little zirconium ball is 0.1-0.3mm.
The object that the size of large zirconium ball, middle zirconium ball and little zirconium ball is set like this be raw material granularity fast and effeciently sand milling to required size.
In this actual design using the sanding apparatus of different size zirconium ball and manufacture process, described first sand mill, the second sand mill and the 3rd sand mill can adopt various type and construction, as long as can play good sand milling effect.As preferably, described first sand mill, the second sand mill and the 3rd sand mill are turbine type sand mill.
Advantages such as it has that efficiency is high, work continuity is strong, of low pollution, automatic control are reliable of selecting the object of turbine type sand mill to be, and the advantages such as cost is low, compact conformation, appearance are generous, working service aspect.
As preferably, described agitator comprises agitator, rotating shaft, for the stirring motor that drives described rotating shaft and the impeller be arranged in described rotating shaft, described axis of rotation is connected in described agitator, and described motor is fixedly connected on outside described agitator.
The object arranging agitator is like this that its structure is simple, and working stability, effectively can realize the Homogeneous phase mixing of raw material to be processed.
In the actual design and manufacture process of this described agitator, the various kind of drive can be adopted between described stirring motor and rotating shaft, rotate as long as the effective of rotating shaft can be realized.As preferably, between described stirring motor and described rotating shaft, adopt V belt translation.
Adopting the object of V belt translation to be, it has that structure is simple, stable drive, can cushion absorbing, can transmit power at a distance, and it is cheap, do not need lubrication, safeguard the features such as easy, be suitable for very much the transmission between motor in this agitator and rotating shaft.
As preferably, the output shaft of described stirring motor is provided with driving pulley, the output shaft of described rotating shaft is provided with driven pulley, between described driving pulley and driven pulley, be arranged with V-belt.
Adopting the object of V--belt Drive to be, that it has structure is simple, manufactures, easy for installation, and working service is convenient, stable drive, and noise is low, the feature of buffering absorbing.
As preferably, the output shaft of described stirring motor is provided with active synchronization wheel, the output shaft of described rotating shaft is provided with driven synchronizing wheel, between described active synchronization wheel and driven synchronizing wheel, be arranged with Timing Belt.
It has transmission accurately steadily to adopt the object of synchronous belt pulley transmission to be, have buffering, damping capacity, noise is low, and transmission efficiency is high, and energy-saving effect is obvious, and maintaining is convenient, non-lubricating feature.
Use in the good manufacture process of actual design of the sanding apparatus of different size zirconium ball at this, described material conveyer can adopt various shape and form, as long as can realize the conveying of raw material to be processed.As preferably, described material conveyer is auger conveyor.
Adopt the object of auger conveyor to be that it has applied range, carry reliable and stable feature, effectively can realize the stable circulation of the high speed of material and conveying.
This uses the sanding method of different size zirconium ball to comprise the following steps: first, material is injected described agitator and stirs; Then, the material stirred is transported in the first sand mill by material conveyer carries out sand milling; Subsequently, the material through the first sand mill sand milling is transported to described second sand mill by material conveyer and carries out sand milling; Afterwards, the material through the second sand mill sand milling is transported to by material conveyer in described 3rd sand mill carries out sand milling.
The invention has the beneficial effects as follows:
(1) particle of different size sand milling in the sand mill that different size zirconium ball is housed, sand milling efficiency is higher;
(2) when material particle size is difficult to reduce time again, use the zirconium ball of three kinds of different sizes to carry out sand milling, can continue to reduce granular size fast;
(3) the material particles uniformity reduced after granularity is better, and the LiFePO4 cycle performance made is more superior;
(4) apparatus structure and sand grinding process are simple, and having can the advantage such as continued operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the sanding apparatus of the use different size zirconium ball that Fig. 1 provides for first embodiment of the invention.
Reference numeral gathers:
Agitator 100; First sand mill 200;
Second sand mill 300; 3rd sand mill 400;
Material conveyer 500.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; or the orientation of usually putting when this invention product uses or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
First embodiment, with reference to Fig. 1, this agitator 100, first sand mill 200, second sand mill 300 using the sanding apparatus of different size zirconium ball to comprise to be communicated with successively and the 3rd sand mill 400, between agitator 100 and the first sand mill 200, between the first sand mill 200 and the second sand mill 300 and be provided with material conveyer 500 between the second sand mill 300 and the 3rd sand mill 400, multiple large zirconium ball is provided with in first sand mill 200, be provided with multiple middle zirconium ball in second sand mill 300, in the 3rd sand mill 400, be provided with little zirconium ball.
Wherein, agitator 100 is mainly used in the Homogeneous phase mixing of material to be processed, and the first sand mill 200, second sand mill 300 and the 3rd sand mill 400 are mainly used in the sand milling of material to be processed, and material conveyer 500 is mainly used in the transmission of material to be processed; Agitator 100, first sand mill 200, second sand mill 300, the 3rd sand mill 400 and material conveyer 500 both directly can select existing product, also can adopt the structure of autonomous Design; Zirconium ball, i.e. zirconia ceramics ball, have high intensity and high tenacity at normal temperatures, wearability be good, corrosion-and high-temp-resistant, rigidity are high, not magnetic conduction, electric insulation, and therefore ideal at present at that time sand milling matter is situated between; " greatly ", " in ", " little " be three relative concepts, its implication is that the diameter of large zirconium ball is greater than middle zirconium ball, and the diameter of middle zirconium ball is greater than little zirconium ball.
This technical field using the sanding apparatus of different size zirconium ball to be mainly used in anode material for lithium-ion batteries to prepare, the particularly preparation of nano-scale lithium iron phosphate, its operation principle and process are such: the ferric lithium phosphate precursor first just configured is poured in agitator 100 and stirred, above-mentioned ferric lithium phosphate precursor is lithium salts, phosphate, the mixture of molysite and carbon reducing material, then by material conveyer 500 LiFePO4 after Homogeneous phase mixing is transported in the first sand mill 200 that multiple large zirconium ball is housed and carries out sand milling, afterwards again by material conveyer 500 LiFePO4 is transported to multiple middle zirconium ball is housed the second sand mill 300 in carry out sand milling, afterwards again by material conveyer 500 LiFePO4 is transported to multiple little zirconium ball is housed the 3rd sand mill 400 in carry out sand milling, finally obtain satisfactory finished product.
Existing sand mill is all adopt a kind of zirconium ball of size to carry out sand milling mostly, there is the problem of the granular size inequality that sand milling efficiency is low, sand milling obtains after being difficult to arrive desired particle size and sand milling.For the problems referred to above, the sanding apparatus that the technical program provides adopts the three kinds of zirconium balls varied in size, sand milling is carried out respectively in the 3rd sand mill 400 LiFePO4 being transported to successively the first sand mill 200 that large zirconium ball is housed, the second sand mill 300 that middle zirconium ball is housed and large zirconium ball is housed, sand milling efficiency greatly improves, sand milling effect greatly strengthens, and the particle after sand milling is also more even.
In the present embodiment, in the 3rd sand mill 400, be provided with large zirconium ball and middle zirconium ball.
The object arranging the zirconium ball of three kinds of different sizes in the 3rd sand mill 400 is sand milling efficiency and the effect of raising the 3rd sand mill 400, strengthens operating efficiency and the effect of this sanding apparatus further, ensures the uniformity of the particle that sand milling obtains.
In this actual design using the sanding apparatus of different size and manufacture process, large zirconium ball, middle zirconium ball and little zirconium ball can adopt various sizes, specifically determine according to the actual requirements.In the present embodiment, the diameter of large zirconium ball is 0.6-0.8mm, and middle zirconium ball is 0.3-0.6mm, and little zirconium ball is 0.1-0.3mm.
Wherein, the Main Function of large zirconium ball is the granularity of ferric lithium phosphate precursor to be varied down to rapidly 1 ~ 2 μm from 4 ~ 20 μm, correspondingly, the sand mill rotating speed at its place is 1800 ~ 2200rpm, ratio of grinding media to material is 1:1 to 5:1, and the sand milling time is 30 ~ 120min, and solid content is 20% ~ 50%; The Main Function of middle zirconium ball is the granularity sand of ferric lithium phosphate precursor to be ground to below 1000 nanometers, correspondingly, the sand mill rotating speed at its place is 1800 ~ 2200rpm, and ratio of grinding media to material is 1:1 to 5:1, the sand milling time is 30 ~ 120min, and solid content is 20% ~ 50%; The Main Function of little zirconium ball is that a particle sand milling is to more even, and size distribution is narrower, and meso-position radius is below 200 nanometers, the 3rd sand mill 400 rotating speed 1800 ~ 2200rpm at its place, ratio of grinding media to material is 1:1 to 5:1, and the sand milling time is 30 ~ 120min, and solid content is 20% ~ 50%.
The object that the size of large zirconium ball, middle zirconium ball and little zirconium ball is set like this be raw material granularity fast and effeciently sand milling to required size.
In this actual design using the sanding apparatus of different size zirconium ball and manufacture process, the first sand mill 200, second sand mill 300 and the 3rd sand mill 400 can adopt various type and construction, as long as can play good sand milling effect.In the present embodiment, the first sand mill 200, second sand mill 300 and the 3rd sand mill 400 are turbine type sand mill.
Wherein, turbine type sand mill is prior art, its operation principle is: the liquid-solid mixed material after pre-dilution stirs pumps in cylindrical shell by delivery pump, main shaft drives dispersion turbine to make High Rotation Speed, and the zirconia ball stirred in cylindrical shell, make it to produce eddy flow and footpath axially-movable, thus to the grinding distribution that product carries out by force, make product reach fineness and the color saturation of regulation.
Advantages such as it has that efficiency is high, work continuity is strong, of low pollution, automatic control are reliable of selecting the object of turbine type sand mill to be, and the advantages such as cost is low, compact conformation, appearance are generous, working service aspect.
In the present embodiment, agitator comprises agitator, rotating shaft, for the stirring motor that turns axle and the impeller be arranged in rotating shaft, axis of rotation is connected in agitator, and motor is fixedly connected on outside agitator.
Wherein, agitator model is PT300L and cylindrical, and rotating shaft is vertically arranged at agitator inner hub location place, and its top and bottom are rotationally connected with on agitator respectively by bearing; Motor is arranged at the top of agitator, for the positive and negative rotation of drive shaft; Motor is connected with electric control module, so that user controls.
The object arranging agitator is like this that its structure is simple, and working stability, effectively can realize the Homogeneous phase mixing of raw material to be processed.
In the actual design and manufacture process of this agitator 100, between stirring motor and rotating shaft, the various kind of drive can be adopted, rotate as long as the effective of rotating shaft can be realized.In the present embodiment, between stirring motor and rotating shaft, adopt V belt translation.
Wherein, V belt translation utilizes the flexible-belt be stretched on belt wheel to carry out moving or a kind of machine driving of power transmission.
Adopting the object of V belt translation to be, it has that structure is simple, stable drive, can cushion absorbing, can transmit power at a distance, and it is cheap, do not need lubrication, safeguard the features such as easy, be suitable for very much the transmission between motor in this agitator 100 and rotating shaft.
In the present embodiment, the output shaft of stirring motor is provided with driving pulley, the output shaft of rotating shaft is provided with driven pulley, between driving pulley and driven pulley, is arranged with V-belt.
Wherein, driving pulley and driven pulley entirety cylindrical, its face of cylinder is provided with multiple cannelure, triangle is with special type band cored structure and two kinds, wire rope core structure, respectively by infantees, top glue, tension element and primer four part form, select extraordinary band cored structure in the technical program, triangle, with many, mates with multiple cannelure respectively and coordinates one by one.
Adopting the object of V--belt Drive to be, that it has structure is simple, manufactures, easy for installation, and working service is convenient, stable drive, and noise is low, the feature of buffering absorbing.
Use in the good manufacture process of actual design of the sanding apparatus of different size zirconium ball at this, material conveyer 500 can adopt various shape and form, as long as can realize the conveying of raw material to be processed.In the present embodiment, material conveyer 500 is auger conveyor.
Wherein, auger conveyor is prior art, its operation principle has screw conveyor shaft and Shaftless screw conveyor two kinds for being divided on transporting pattern, selects screw conveyor shaft in the technical program, and its operation principle is that material is passed and carries out conveying worm conveying by the helical blade rotated.
Adopt the object of auger conveyor to be that it has applied range, carry reliable and stable feature, effectively can realize the stable circulation of the high speed of material and conveying.
This sanding apparatus has the following advantages:
(1) particle of different size sand milling in the sand mill that different size zirconium ball is housed, sand milling efficiency is higher;
(2) when material particle size is difficult to reduce time again, use the zirconium ball of three kinds of different sizes to carry out sand milling, can continue to reduce granular size fast;
(3) the material particles uniformity reduced after granularity is better, and the LiFePO4 cycle performance made is more superior;
(4) apparatus structure and sand grinding process are simple, and having can the advantage such as continued operation.
Second embodiment, the device that the embodiment of the present invention provides, its technique effect realizing principle and generation is identical with previous embodiment, is concise and to the point description, and the not mentioned part of device embodiment part, can with reference to corresponding contents in previous embodiment.
In the present embodiment, the output shaft of stirring motor is provided with active synchronization wheel, the output shaft of rotating shaft is provided with driven synchronizing wheel, between active synchronization wheel and driven synchronizing wheel, be arranged with Timing Belt.
Wherein, synchronous pulley is generally by steel, and aluminium alloy, cast iron, brass, waits material manufacture.Endoporus has circular hole, D shape hole, the forms such as bellmouth.Surface treatment has true qualities to be oxidized, blackout, zinc-plated, zinc electroplating with iridescent yellow chromate conversion coating, the process such as high-frequency quenching.
It has transmission accurately steadily to adopt the object of synchronous belt pulley transmission to be, have buffering, damping capacity, noise is low, and transmission efficiency is high, and energy-saving effect is obvious, and maintaining is convenient, non-lubricating feature.
In the present embodiment, material conveyer 500 is air conveyor.
Wherein, air conveyor is prior art, and compressed air flows into behind annular high voltage chamber through air inlet, flow through nozzle at a high speed, this strand of high velocity air produces a low-pressure area (vacuum) in porch, so the material of porch is sucked by high pressure draught, and be imported into assigned address.
It has low noise, low maintenance, compact conformation, feature easy for installation to select the object of air conveyor to be, effectively can realize the stable circulation of the high speed of material and conveying.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind uses the sanding apparatus of different size zirconium ball, it is characterized in that, comprise the agitator, the first sand mill, the second sand mill and the 3rd sand mill that are communicated with successively, material conveyer is provided with between described agitator and the first sand mill, between described first sand mill and the second sand mill and between the second sand mill and the 3rd sand mill, multiple large zirconium ball is provided with in described first sand mill, be provided with multiple middle zirconium ball in described second sand mill, in described 3rd sand mill, be provided with little zirconium ball.
2. the sanding apparatus of use according to claim 1 different size zirconium ball, is characterized in that, is provided with large zirconium ball and middle zirconium ball in described 3rd sand mill.
3. the sanding apparatus of use according to claim 1 different size zirconium ball, is characterized in that, the diameter of described large zirconium ball is 0.6-0.8mm, and described middle zirconium ball is 0.3-0.6mm, and described little zirconium ball is 0.1-0.3mm.
4. the sanding apparatus of use according to claim 1 different size zirconium ball, is characterized in that, described first sand mill, the second sand mill and the 3rd sand mill are turbine type sand mill.
5. the sanding apparatus of use according to claim 1 different size zirconium ball, it is characterized in that, described agitator comprise agitator, rotating shaft, for the stirring motor that drives described rotating shaft and the impeller be arranged in described rotating shaft, described axis of rotation is connected in described agitator, and described motor is fixedly connected on outside described agitator.
6. the sanding apparatus of use according to claim 1 different size zirconium ball, is characterized in that, adopts V belt translation between described stirring motor and described rotating shaft.
7. the sanding apparatus of use according to claim 6 different size zirconium ball, it is characterized in that, the output shaft of described stirring motor is provided with driving pulley, the output shaft of described rotating shaft is provided with driven pulley, between described driving pulley and driven pulley, be arranged with V-belt.
8. the sanding apparatus of use according to claim 6 different size zirconium ball, it is characterized in that, the output shaft of described stirring motor is provided with active synchronization wheel, the output shaft of described rotating shaft is provided with driven synchronizing wheel, between described active synchronization wheel and driven synchronizing wheel, be arranged with Timing Belt.
9. the sanding apparatus of use according to claim 1 different size zirconium ball, is characterized in that, described material conveyer is auger conveyor.
10. use a sanding method for different size zirconium ball, it is characterized in that, comprise the following steps:
Material is injected agitator stir; The material stirred is transported in the first sand mill by material conveyer and carries out sand milling; Material through the first sand mill sand milling is transported to the second sand mill by material conveyer and carries out sand milling; Material through the second sand mill sand milling is transported in the 3rd sand mill by material conveyer and carries out sand milling.
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| CN201610092334.5A CN105521856A (en) | 2016-02-19 | 2016-02-19 | Sanding device and method using zirconium balls in different sizes |
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| CN201610092334.5A CN105521856A (en) | 2016-02-19 | 2016-02-19 | Sanding device and method using zirconium balls in different sizes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109659603A (en) * | 2017-10-11 | 2019-04-19 | 深圳市贝特瑞新能源材料股份有限公司 | A kind of ultra-fine solid electrolyte and preparation method thereof |
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