CN209685319U - A kind of element doping graphite cathode material reaction unit - Google Patents
A kind of element doping graphite cathode material reaction unit Download PDFInfo
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- CN209685319U CN209685319U CN201920414498.4U CN201920414498U CN209685319U CN 209685319 U CN209685319 U CN 209685319U CN 201920414498 U CN201920414498 U CN 201920414498U CN 209685319 U CN209685319 U CN 209685319U
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- connecting tube
- reaction unit
- graphite cathode
- element doping
- cathode material
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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 utility model provides a kind of element doping graphite cathode material reaction unit, belong to reaction unit technical field, including batch charging mechanism and reaction mechanism, the batch charging mechanism includes the first batch charging mechanism, second material feed hopper and third material container, first batch charging mechanism includes screw conveyor, rotary screen and the first connecting tube, the discharge port of the screw conveyor is connect with the feed inlet of the rotary screen, the reaction mechanism includes vertical mixer and air accumulator, the air accumulator is connect by the second connecting tube with the vertical mixer, the qualified material outlet of the rotary screen is connect by first connecting tube with the vertical mixer, the second material feed hopper is connect by third connecting tube with the vertical mixer, the third material container is connect by the 4th connecting tube with the vertical mixer.The present apparatus, which reacts element doping graphite cathode material, carries out integration, and easily operated and production, simple flow improves production efficiency.
Description
Technical field
The utility model belongs to reaction unit technical field, and in particular to a kind of element doping graphite cathode material reaction dress
It sets.
Background technique
Carbon negative pole material is widely used in commodity lithium ion battery at present.Wherein, graphite negative electrodes material is from a wealth of sources with its,
Performance is stablized, and several big advantages such as energy conservation and environmental protection become the main Types of carbon negative pole material.The shortcomings that graphite cathode material is lamella
Structure is very sensitive to carbonates electrolyte, and exposed lamella can react in process of intercalation with electrolyte, causes electricity
The decomposition of liquid is solved, some situations can also decompose generation gas and graphite flake layer is caused to peel off, and the SEI film of Surface Creation is also with one
It rises and peels off.In the SEI film and continuous stripping process constantly formed, keep graphite cathode material cycle performance undesirable, capacity is difficult
To improve.It is generally necessary to be modified processing to graphite cathode material, specific method include shaping classification, surface oxidation, cladding,
Doping etc..
In order to solve the 3800mAh g that the theoretical capacity of graphite material is much smaller than lithium metal-1And the structure of graphite material
Problem is collapsed, researcher has done a large amount of experimental work.Wherein element doping can effectively improve the electrochemical properties of graphite, become
Popular research direction.Both element doping is storage lithium active material, can form active material with graphite type material, play
Synergistic effect.The a variety of main groups of such as Sn, Cs, Sb, Si, Pb, Zn, Al, Ga and transition metal element.But it yet there are no one
The reaction unit of body improves production efficiency to simplify operation.
Utility model content
In view of this, it is negative to be exclusively used in graphite the technical problem to be solved by the utility model is to provide a kind of reaction unit
The element doping of pole material reacts.
To achieve the above object, the technical scheme adopted by the utility model is
A kind of element doping graphite cathode material reaction unit, including batch charging mechanism and reaction mechanism, the batch charging mechanism
Including the first batch charging mechanism, second material feed hopper and third material container, first batch charging mechanism includes auger conveying
Machine, rotary screen and the first connecting tube, the discharge port of the screw conveyor are connect with the feed inlet of the rotary screen, the reaction
Mechanism includes vertical mixer and air accumulator, and the air accumulator is connect by the second connecting tube with the vertical mixer, described
The qualified material outlet of rotary screen is connect by first connecting tube with the vertical mixer, and the second material feed hopper is logical
It crosses third connecting tube to connect with the vertical mixer, the third material container passes through the 4th connecting tube and described vertical mixed
The connection of material machine.
Preferably, the screw conveyor is horizontal screw conveyor.
Preferably, the vertical mixer includes cylinder, the cylinder sandwich establishment, and heat-source Cycles are arranged in the interlayer
Pipeline, the interior setting agitating shaft of the cylinder and stirring blade, the top of the agitating shaft connect motor, and the top of the cylinder is set
Gas vent is set, product exit is arranged in bottom.
Preferably, filter screen is arranged in the product exit.
Preferably, supporting leg is arranged in the bottom of the vertical mixer.
Preferably, pressure gauge and gas flow regulating valve are set in second connecting tube.
Preferably, butterfly valve is set in the third connecting tube.
Preferably, shut-off valve is set in the 4th connecting tube.
Compared with prior art, its advantages are as follows for the utility model:
The utility model based on the deficiencies of the prior art, provides a kind of element doping graphite cathode material reaction unit,
Batch charging mechanism is used to put into required material in reaction mechanism, and reaction mechanism provides reacting environment, and wherein batch charging mechanism includes the
One batch charging mechanism, second material feed hopper and third material container, the first batch charging mechanism include screw conveyor, rotary screen and
First material is delivered to rotary screen by screw conveyor by the first connecting tube, logical through the qualified first material of rotary screen screening
It crosses the first connecting tube to enter in vertical mixer, second material feed hopper puts into second material by third connecting tube vertical mixed
In material machine, third material container is put into third material in vertical mixer by the 4th connecting tube, while vertical mixer
It is connected to air accumulator, protection gas source is stored in air accumulator, such as: nitrogen.The present apparatus is anti-by element doping graphite cathode material
Integration, easily operated and production should be carried out, simple flow improves production efficiency.
Detailed description of the invention
The following describes the utility model in further detail with reference to the accompanying drawings.
Fig. 1: the structural schematic diagram of the utility model element doping graphite cathode material reaction unit；
Fig. 2: the structural schematic diagram of heat-source Cycles pipeline in the utility model vertical mixer；
Wherein: 1- screw conveyor, 2- rotary screen, the first connecting tube of 3-, 4- second material feed hopper, 5- third material
Container, 6- vertical mixer, 601- cylinder, 602- interlayer, 603- heat-source Cycles pipeline, 604- agitating shaft, 605- paddle
Piece, 606- motor, 607- gas vent, 608- product exit, 609- inlet tube, 610-13 outlet tube, 7- air accumulator, 8- second connect
Adapter tube, 9- third connecting tube, the 4th connecting tube of 10-, 11- filter screen, 12- supporting leg, 13- pressure gauge, 14- gas flow are adjusted
Valve, 15- butterfly valve, 16- shut-off valve.
Specific embodiment
The utility model in order to better understand is further fairly set out in the utility model below with reference to embodiment
Hold, but the protection content of the utility model is not limited solely to the following examples.In the following description, a large amount of tools are given
The details of body more thoroughly understands in order to provide to the utility model.However, aobvious and easy to those skilled in the art
See, the utility model may not need one or more of these details and be carried out.
Embodiment 1
Refering to fig. 1-2, a kind of element doping graphite cathode material reaction unit, including batch charging mechanism and reaction mechanism are thrown
Expect that mechanism includes the first batch charging mechanism, second material feed hopper 4 and third material container 5, the first batch charging mechanism includes auger
Conveyer 1, rotary screen 2 and the first connecting tube 3, the discharge port of screw conveyor and the feed inlet of rotary screen connect, reaction mechanism
Including vertical mixer 6 and air accumulator 7, air accumulator is connect by the second connecting tube 8 with vertical mixer, the qualified material of rotary screen
Outlet is connect by the first connecting tube with vertical mixer, and second material feed hopper passes through third connecting tube 9 and vertical mixer
Connection, third material container are connect by the 4th connecting tube 10 with vertical mixer.
Screw conveyor uses horizontal screw conveyor, for first material to be delivered to rotary screen, screw conveyor
Selection is used for the finished product screw conveyor of powder carry.Rotary screen is for sieving first material, using off-the-shelf hardware.
Vertical mixer includes cylinder 601, and cylinder sandwich establishment 602, interlayer is interior to be arranged heat-source Cycles pipeline 603, cylinder
Interior setting agitating shaft 604 and stirring blade 605, the top of agitating shaft connect motor 606, and gas vent 607 is arranged in the top of cylinder,
Product exit 608 is arranged in bottom.Wherein, heat-source Cycles pipeline is for being passed through heat source, such as: hot water, hot steam, in interlayer according to
Attached cylinder body outer wall helically structure setting (such as Fig. 2).Heat-source Cycles piping connection inlet tube 609 and outlet tube 610, inlet tube position
In the top of cylinder, outlet tube is located at the lower part of cylinder.
As a kind of specific embodiment of the utility model, inlet tube connect with heat source generator, sets on inlet tube
Pressure regulator valve is set, to adjust the on-off and/or flow (such as: circulation rate) of heat source, is arranged at liquid outlet on outlet tube
Temperature sensor, pressure regulator valve are connect with PLC control system signal respectively with temperature sensor.In PLC control system set temperature
Upper limit value and temperature upper limit value, when the observed temperature of temperature sensor is more than upper limit value or is lower than lower limit value, pressure regulator valve is in PLC
The on-off and/or flow of heat source are automatically adjusted under the control of control system.
Air accumulator is used for storage protection gas, such as: nitrogen, the second connecting tube 8 protrude into inside vertical mixer, and second
The end of connecting tube is in the horizontal plane of reaction mass hereinafter, so that protective gas is full of inside entire vertical mixer.
Filter screen 11 is arranged in product exit, and the product after reaction is separated by solid-liquid separation, after isolating liquid, is regathered
Solid product.
Supporting leg 12 is arranged in the bottom of vertical mixer, with preferably firm vertical mixer.
In order to facilitate observation of and technology controlling and process is carried out, pressure gauge 13 and gas flow regulating valve 14 is set in the second connecting tube,
Wherein SMC type gas flow regulating valve may be selected in gas flow regulating valve.
Butterfly valve 15 is set in third connecting tube, and Germany WAREX powder valve DKZE103 may be selected in butterfly valve.
Shut-off valve 16 is set in the 4th connecting tube, which may be selected J41F4-16 Fluorine-lined shut-off valve.
The utility model in use, passes through the first batch charging mechanism, second material feed hopper and third material first
Container puts into first material (such as: natural graphite), second material (such as: nano silica fume, tin oxide) into cylinder respectively
With third material (such as: toluene), protective gas (such as: nitrogen) is then passed to, motor is opened and is stirred, while in cylinder
Interlayer in be passed through heat source and recycled, so that temperature of charge in cylinder is reached reaction temperature and is reacted, to after reaction,
Heat source and protective gas are closed, product natural cooling is made, after opening gas vent exhaust, product is discharged by product exit.
Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (8)
1. a kind of element doping graphite cathode material reaction unit, it is characterised in that: described including batch charging mechanism and reaction mechanism
Batch charging mechanism includes the first batch charging mechanism, second material feed hopper and third material container, and first batch charging mechanism includes
Screw conveyor, rotary screen and the first connecting tube, the discharge port of the screw conveyor are connect with the feed inlet of the rotary screen,
The reaction mechanism includes vertical mixer and air accumulator, and the air accumulator is connected by the second connecting tube and the vertical mixer
It connects, the qualified material outlet of the rotary screen is connect by first connecting tube with the vertical mixer, the second material
Feed hopper is connect by third connecting tube with the vertical mixer, and the third material container passes through the 4th connecting tube and institute
State vertical mixer connection.
2. element doping graphite cathode material reaction unit according to claim 1, it is characterised in that: the auger conveying
Machine is horizontal screw conveyor.
3. element doping graphite cathode material reaction unit according to claim 2, it is characterised in that: the vertical mixing
Machine includes cylinder, the cylinder sandwich establishment, and heat-source Cycles pipeline is arranged in the interlayer, in the cylinder setting agitating shaft and
Stirring blade, the top of the agitating shaft connect motor, and gas vent is arranged in the top of the cylinder, and product exit is arranged in bottom.
4. element doping graphite cathode material reaction unit according to claim 3, it is characterised in that: the product exit
Filter screen is set.
5. element doping graphite cathode material reaction unit according to claim 4, it is characterised in that: the vertical mixing
Supporting leg is arranged in the bottom of machine.
6. element doping graphite cathode material reaction unit according to claim 5, it is characterised in that: second connection
Pressure gauge and gas flow regulating valve are set on pipe.
7. element doping graphite cathode material reaction unit according to claim 6, it is characterised in that: the third connection
Butterfly valve is set on pipe.
8. element doping graphite cathode material reaction unit according to claim 7, it is characterised in that: the 4th connection
Shut-off valve is set on pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414498.4U CN209685319U (en) | 2019-03-29 | 2019-03-29 | A kind of element doping graphite cathode material reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414498.4U CN209685319U (en) | 2019-03-29 | 2019-03-29 | A kind of element doping graphite cathode material reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209685319U true CN209685319U (en) | 2019-11-26 |
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ID=68606616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920414498.4U Active CN209685319U (en) | 2019-03-29 | 2019-03-29 | A kind of element doping graphite cathode material reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209685319U (en) |
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2019
- 2019-03-29 CN CN201920414498.4U patent/CN209685319U/en active Active
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