CN209173939U - A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma - Google Patents
A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma Download PDFInfo
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- CN209173939U CN209173939U CN201920770660.6U CN201920770660U CN209173939U CN 209173939 U CN209173939 U CN 209173939U CN 201920770660 U CN201920770660 U CN 201920770660U CN 209173939 U CN209173939 U CN 209173939U
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- Prior art keywords
- reactor
- pump
- waste gas
- anode material
- vacuum
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- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 title claims abstract description 15
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000010405 anode material Substances 0.000 title claims abstract description 14
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 14
- 238000000975 co-precipitation Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 230000001376 precipitating effect Effects 0.000 claims abstract description 21
- 239000002912 waste gas Substances 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000012266 salt solution Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- SEVNKUSLDMZOTL-UHFFFAOYSA-H cobalt(2+);manganese(2+);nickel(2+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mn+2].[Co+2].[Ni+2] SEVNKUSLDMZOTL-UHFFFAOYSA-H 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides the device that a kind of coprecipitation prepares lithium ion battery richness lithium manganese anode material presoma, including reactor, temperature control equipment, injecting device and waste gas absorption tank, reactor is set in temperature control equipment, blender is provided in reactor, pH meter, it is also connected with waste gas outlet on the reactor and protrudes into the nitrogen inlet of reactor lower part, waste gas outlet and waste gas absorption tank link, the utility model further includes by vacuum tank, the vacuumizing filtration system of vacuum pumping pump and solution circulation pump composition, the utility model can in time shift precipitating, avoiding precipitating deposition causes solution viscosity to increase, the substance for avoiding viscosity high is adhered in measuring instrument the adjustment for causing measurement error to influence experiment parameter, filtered clear liquid can form solution with spray pattern Returning reactor and disturb simultaneously, enhancing mixing Effect.
Description
Technical field
The utility model belongs to technical field of lithium ion, and in particular to a kind of coprecipitation prepares lithium ion battery richness
The device of lithium manganese anode material presoma.
Background technique
Currently, have many advantages, such as the nickle cobalt lithium manganate that specific capacity is high, thermal stability is good and cheap, be lithium ion battery
Emphasis in positive electrode research.Nickel cobalt manganese hydroxide, i.e. nickel cobalt manganese presoma are closed by the way that lithium source is added by high temperature sintering
Prepare rich lithium manganese anode material.Since the technical indicator to rich lithium manganese anode material such as the size of presoma, pattern, structure has directly
Influence is connect, therefore, presoma is most important to the production of rich lithium manganese anode material.
Currently, the common method of preparation nickel cobalt manganese hydroxide is coprecipitation, precipitating reagent and metal in preparation process
Salt with compare reaction be affected, usually due in reactor local concentration deviation cause experimental result to be distorted, furthermore interval
In the preparation process of formula, as precipitating generation liquid viscosity is gradually increased or even becomes sticky, this aspect is unfavorable for solution
It is sufficiently mixed, another aspect part sticky mass, which is adhered in measuring instrumentss, also leads to measurement error, is such as adsorbed on pH meter
Cause pH value function and fails that medicament adjustment pH value is replenished in time, and pH value has great influence to reaction, this certainly will cause
Experimental results error is larger, single conventionally by whipped form enhancing mixed form at present, fluid effect higher for viscosity
It is bad, therefore it provides it is a kind of can be realized solution be sufficiently mixed, the preparation facilities that accurately detects convenient for instrument it is very necessary.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of coprecipitation and is preparing lithium ion battery richness lithium manganese just
The device of pole material precursor, the present apparatus is separated the sediment of generation by vacuum filter in time avoids fluid viscosity change
Height drains into the mixing that reactor bottom forms disturbance reinforced solution in addition, returning by clear liquid after filtering.
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma, including reactor, temperature
Control device, injecting device, vacuumizing filtration device and waste gas absorption tank, reactor are located in temperature control equipment, reactor
In fill solution, the blender for protruding into reactor lower part, pH meter are provided in reactor, is also connected with waste gas outlet on reactor
With the nitrogen inlet for protruding into reactor lower part, waste gas outlet and waste gas absorption tank link.
Injecting device includes metal salt solution storage tank, metal salt injectant pump, precipitating reagent storage tank, precipitating reagent injectant pump, metal
The entrance of salt injectant pump is connected to reactor and metal salt solution storage tank respectively, for conveying metal salt examination into reactor
Agent；The entrance of precipitating reagent injectant pump is connected to reactor and precipitating reagent storage tank respectively, for conveying precipitating reagent into reactor
Reagent；
Vacuumizing filtration device includes vacuum tank, vacuum pumping pump and solution circulation pump, is provided with filter device in vacuum tank,
Such as strainer, vacuum tank is given into two parts by filter device, and a part therein is connected to the bottom of reactor, another part with
Solution circulation pump is connected to the entrance of vacuum pumping pump, and the outlet of vacuum pumping pump is connect by pipeline with reactor and connecting pipeline is stretched
Enter under reactor liquid level, the volatile components parsed in vacuum tank is absorbed by reactor solution, when avoiding filtering in solution
Light component volatilization loss；The outlet of solution circulation pump is connected to reactor.
Preferably, vacuum tank is set in temperature control equipment, reduces the thermal loss of solution cyclic process, reduced molten
Liquid recycles the influence to solution temperature in reactor.
Preferably, reactor lower part is additionally provided with liquid distribution device, and liquid distribution device and solution circulation pump outlet are logical
Pipeline connection is crossed, the downward spray head of nozzle, spray head and reactor liquid level is additionally provided on liquid distribution device and is pressed from both sides in 30-60 degree
Angle, this is conducive to the liquid that circulation sprays and carries out ejection turbulence to solution in reactor, keeps its mixing more uniform.
Preferably, filter device is filter screen in vacuum tank, and vacuum tank is divided into upper and lower two parts by filter screen, and solution follows
Ring pump intake is connected to vacuum pot bottom, is connected at the top of reactor bottom and vacuum tank.
Beneficial effect
It adds vacuumizing filtration device and circulating filtration is carried out to solution, in time shift precipitating, avoid precipitating deposition and lead
Solution viscosity is caused to increase, one side solution viscosity, which does not increase, to be conducive to solution and be uniformly mixed, while being also avoided that the high object of viscosity
Matter is adhered in measuring instrument the adjustment for causing measurement error to influence experiment parameter；On the other hand, filtered clear liquid is to spray
Form Returning reactor can form solution and disturb, and enhance mixed effect.Furthermore conventional filtration is avoided that by vacuumizing filtration
Middle pump intake filter net jam or solid precipitating particle damage the problem of pumping, under the gas vent Returning reactor liquid level of vacuum pumping pump
Re-absorption also avoids light component volatilization loss in filter process.
Detailed description of the invention
Fig. 1 is the utility model overall schematic；
Fig. 2 is liquid distribution device schematic diagram；
1, reactor；2, temperature control equipment；3, waste gas absorption tank；4, blender；5, pH meter；6, waste gas outlet；7, nitrogen
Gas entrance；8, metal salt solution storage tank；9, metal salt injectant pump；10, precipitating reagent storage tank；11, precipitating reagent injectant pump；12, vacuum
Tank；13, vacuum pumping pump；14, solution circulation pump；15, filter device；16, liquid distribution device；17, spray head.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides technical solution:
A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma, including reactor 1, temperature
Control device 2, injecting device, vacuumizing filtration device and waste gas absorption tank 3, reactor 1 are located in temperature control equipment 2, instead
It answers and is provided with the blender 4 for protruding into 1 lower part of reactor, pH meter 5 in device 1, waste gas outlet 6 is also connected on reactor 1 and protrudes into
The nitrogen inlet 7 of 1 lower part of reactor, waste gas outlet 6 is connect with waste gas absorption tank 3 and connecting pipeline protrudes under waste gas absorption tank 3
Portion, waste gas absorption tank 3 are the cup of built-in liquid gas cleanser.
Injecting device includes metal salt solution storage tank 8, metal salt injectant pump 9, precipitating reagent storage tank 10, precipitating reagent injectant pump
11, the entry and exit of metal salt injectant pump 9 are connected to reactor 1 and metal salt solution storage tank 8 respectively；Precipitating reagent injectant pump 11
Entry and exit are connected to reactor 1 and precipitating reagent storage tank 10 respectively.
Vacuumizing filtration device includes vacuum tank 12, vacuum pumping pump 13 and solution circulation pump 14, is provided in vacuum tank 12
Filter device 15, filter device 15 divide vacuum tank 12 for upper and lower two parts, 12 lower part of vacuum tank and 13 entrance of vacuum pumping pump company
Knot, 12 top of vacuum tank are connected to the bottom of reactor 1, and 12 bottom of vacuum tank is connected to 14 entrance of solution circulation pump, is vacuumized
Pump 13 is connect by pipeline with reactor 1 and connecting pipeline protrudes into 1 lower part of reactor.
1 lower part of reactor is additionally provided with the liquid distribution device 16 of circular ring shape, liquid distribution device 16 and solution circulation pump
14 outlets are connected to by pipeline, are additionally provided with 4 downward spray heads of nozzle 17, spray head 17 and reactor on liquid distribution device 16
1 liquid level is in 45 degree of angles.
Vacuum tank 12 is set to temperature control equipment 2, and temperature control equipment 2 is water-bath.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma, including reactor, temperature control
Device, injecting device and waste gas absorption tank processed, the reactor are set in temperature control equipment, are provided in the reactor
Blender, pH meter are also connected with waste gas outlet on the reactor and protrude into the nitrogen inlet of reactor lower part, and the exhaust gas goes out
Mouth links with waste gas absorption tank；The injecting device includes metal salt solution storage tank, metal salt injectant pump, precipitating reagent storage tank, sinks
The entry and exit of shallow lake agent injectant pump, the metal salt injectant pump are connected to reactor and metal salt solution storage tank respectively, the precipitating
The entry and exit of agent injectant pump are connected to reactor and precipitating reagent storage tank respectively, which is characterized in that coprecipitation prepares lithium-ion electric
The device of pond richness lithium manganese anode material presoma further includes vacuumizing filtration device, and the vacuumizing filtration device includes vacuum
Tank, vacuum pumping pump and solution circulation pump are provided with filter device in the vacuum tank and the filter device separate vacuum tank
At two parts, a part therein is connected to the bottom of reactor, the entrance of another part and solution circulation pump and vacuum pumping pump
Connection, the outlet of vacuum pumping pump is connect by pipeline with reactor and connecting pipeline protrudes into reactor lower part, the solution circulation
The outlet of pump is connected to reactor.
2. a kind of coprecipitation as described in claim 1 prepares the device of lithium ion battery richness lithium manganese anode material presoma,
It is characterized in that, the vacuum tank is located in temperature control equipment.
3. a kind of coprecipitation as described in claim 1 prepares the device of lithium ion battery richness lithium manganese anode material presoma,
It is characterized in that, the reactor lower part is additionally provided with liquid distribution device, the liquid distribution device goes out with solution circulation pump
Mouth is connected to by pipeline, is additionally provided with the downward spray head of nozzle on the liquid distribution device.
4. a kind of coprecipitation as described in claim 1 prepares the device of lithium ion battery richness lithium manganese anode material presoma,
It is characterized in that, vacuum tank is divided into upper and lower two parts by the filter device, the filter device is filter screen, the solution
Pump entry is connected to vacuum pot bottom, is connected at the top of the reactor bottom and vacuum tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770660.6U CN209173939U (en) | 2019-05-27 | 2019-05-27 | A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770660.6U CN209173939U (en) | 2019-05-27 | 2019-05-27 | A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173939U true CN209173939U (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920770660.6U Expired - Fee Related CN209173939U (en) | 2019-05-27 | 2019-05-27 | A kind of coprecipitation prepares the device of lithium ion battery richness lithium manganese anode material presoma |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209173939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403075A (en) * | 2022-08-16 | 2022-11-29 | 西南石油大学 | Cobalt-free quaternary lithium-rich manganese-based positive electrode material and preparation method thereof |
-
2019
- 2019-05-27 CN CN201920770660.6U patent/CN209173939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403075A (en) * | 2022-08-16 | 2022-11-29 | 西南石油大学 | Cobalt-free quaternary lithium-rich manganese-based positive electrode material and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 |