CN115090235A - Intelligent control reaction system for preparing carbon-based material of battery cathode - Google Patents
Intelligent control reaction system for preparing carbon-based material of battery cathode Download PDFInfo
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- CN115090235A CN115090235A CN202210951959.8A CN202210951959A CN115090235A CN 115090235 A CN115090235 A CN 115090235A CN 202210951959 A CN202210951959 A CN 202210951959A CN 115090235 A CN115090235 A CN 115090235A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 105
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 105
- HKMTVMBEALTRRR-UHFFFAOYSA-N Benzo[a]fluorene Chemical compound C1=CC=CC2=C3CC4=CC=CC=C4C3=CC=C21 HKMTVMBEALTRRR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 33
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000005011 phenolic resin Substances 0.000 claims abstract description 18
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000005336 cracking Methods 0.000 claims abstract description 4
- 238000003763 carbonization Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1862—Stationary reactors having moving elements inside placed in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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 application relates to an intelligent control reaction system for preparing a carbon-based material of a battery cathode, which relates to the technical field of battery materials and comprises a first reaction container; a main control module; the first material valve is connected with the first reaction container and used for controlling the discharge of materials in the first reaction container; the main control module controls the stirring device to work after the material valve is opened for a preset second time to mix benzofluorene with phenolic resin to obtain a mixed material; the second material valve is connected with one discharge hole of the stirring device; the second material valve is communicated with the main control module; the main control module can control the second material valve to be opened; and the discharge hole of the second material valve is aligned with the feed inlet of the second reaction vessel, and the second reaction vessel is used for enabling the mixed material to be subjected to cracking and carbonization reactions. The method has the effect of being capable of more intelligently controlling the preparation of the carbon-based material of the battery cathode.
Description
Technical Field
The application relates to the technical field of battery materials, in particular to an intelligent control reaction system for preparing a battery cathode carbon-based material.
Background
The electrode material is an important parameter that determines the capacity, operating voltage, and cycle life of the battery.
Carbon-based materials are currently widely used in battery cathodes due to their higher volumetric specific capacity and good cycling performance. How to more intelligently prepare the carbon-based material of the battery cathode is a technical problem to be solved.
Disclosure of Invention
In order to be able to more intelligently control the preparation of the carbon-based material of the battery anode, the application provides an intelligent control reaction system for the preparation of the carbon-based material of the battery anode.
The intelligent control reaction system for preparing the carbon-based material of the battery cathode adopts the following technical scheme.
An intelligent control reaction system for preparing a carbon-based material of a battery anode comprises:
the first reaction container is used for carrying out pre-oxidation treatment on the benzofluorene added into the reaction cavity of the first reaction container;
the main control module is used as a control unit of the system;
the first material valve is connected with the first reaction container and used for controlling the discharge of materials in the first reaction container; the first material valve is communicated with the main control device; the main control module controls the first material valve to be opened after the first reaction container reacts for a preset first time;
the stirring device is communicated with the main control module, and the main control module controls the stirring device to work after the material valve is opened for a preset second time period so as to mix benzofluorene with phenolic resin to obtain a mixed material;
the second material valve is connected with one of the discharge ports of the stirring device; the second material valve is communicated with the main control module; the main control module can control the second material valve to be opened; and the number of the first and second groups,
and the discharge hole of the second material valve is aligned with the feed inlet of the second reaction container, and the second reaction container is used for enabling the mixed material to be subjected to cracking and carbonization reactions.
By adopting the technical scheme, the automatic preparation of the carbon-based material can be realized by the linkage of the main control module and other devices, the error of manually controlling the working state of each module is reduced, and the performance of the carbon-based material is further improved.
Optionally, a first temperature raising module and a first temperature sensor are arranged in the first reaction container; the first temperature rising module and the first temperature sensor are both communicated with the main control module; the main control module controls the first temperature rising module to rise the temperature of the benzofluorene in the first reaction container to a first temperature range after receiving a working instruction; the first temperature sensor is communicated with the main control module and is used for detecting the temperature of a reaction cavity of a first reaction container and sending a first temperature signal to the main control module; the main control module adjusts the heating power of the first temperature rising module based on the first temperature signal.
Optionally, the adjusting, by the master control module, the heating power of the first temperature raising module based on the first temperature signal includes:
obtaining a first temperature value in a reaction cavity of the first reaction container based on the first temperature signal;
judging whether the first temperature value is larger than an upper limit threshold value of the first temperature interval; if yes, reducing the heating power of the first temperature raising module; and the number of the first and second groups,
judging whether the first temperature value is smaller than a lower limit threshold of the first temperature interval; and if so, increasing the heating power of the first temperature raising module.
Optionally, the system further comprises a first storage container for placing phenolic resin; the first storage container is connected with a second material valve; the second material valve is connected with the other inlet of the stirring device; the second material valve is communicated with the main control module; the main control module controls the second material valve to be opened after the first material valve is opened; the main control module controls the proportion of benzofluorene and phenolic resin added into the stirring device by respectively controlling the opening duration of the first material valve and the second material valve.
Optionally, the main control module is connected with or internally provided with a data input module, and the data input module is used for a worker to input the addition amount of the benzofluorene; and the main control module controls the opening duration of the first material valve and the second material valve based on the adding amount.
Optionally, the system further comprises a prompting device; the prompting device is used for giving a prompt after the stirring device works for a third time; the system further comprises a function button; the function button generates potential change after being pressed; the functional button is arranged beside the stirring device; the function button is electrically connected with the main control module, and the main control module controls the opening of the second material valve based on the potential change generated by the function button.
Optionally, the system further comprises a second storage container; the second storage container is used for storing inert gas; the second storage container is connected with an air extractor for extracting air; the air exhaust device is communicated with the main control module; the air outlet end of the air exhaust device is communicated with the second reaction container; and the main control module controls the air exhaust device to work after the second material valve is opened for a fourth time.
Optionally, the system further includes a second temperature raising module, where the second temperature raising module is configured to raise the temperature of the second reaction vessel; the heating power of the second temperature-raising module is greater than that of the first temperature-raising module; the second heating module is communicated with the main control module; and the main control module controls the second heating module to work after the mixed material is added into the second reaction container, so that the second reaction container reaches a preset second temperature range.
Optionally, a timing module is built in the main control module, and the timing module is used for timing;
the timing module sends a first control signal to the main control module after the first temperature rise module works for a first time period, and the main control module controls the first material valve to be opened based on the first control signal;
and the timing module sends a second control signal to the main control module after the second heating module works for a fourth time, and the main control module controls the air exhaust device and the second heating module to stop working based on the second control signal.
Drawings
Fig. 1 is a system block diagram of an intelligent control reaction system for preparing carbon-based materials of a battery anode according to an embodiment of the application;
in the figure, 1, a first reaction vessel; 2. a main control module; 3. a first material valve; 4. a stirring device; 5. a second material valve; 6. a second reaction vessel; 7. a first temperature raising module; 8. a first temperature sensor; 9. a first storage container; 10. a data input module; 11. a prompting device; 12. a second storage container; 13. a second temperature raising module; 14. and a timing module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses an intelligent control reaction system for preparing a carbon-based material of a battery anode. Referring to fig. 1, as an embodiment of an intelligent control reaction system for preparation of a carbon-based material of a battery anode, the intelligent control reaction system for preparation of a carbon-based material of a battery anode includes: the device comprises a first reaction vessel 1, a main control module 2, a first material valve 3, a stirring device 4, a second material valve 5 and a second reaction vessel 6.
The first reaction container 1 is provided with a reaction cavity, the first reaction container 1 is used for carrying out pre-oxidation treatment on benzofluorene added into the reaction cavity, and the surface of the benzofluorene is provided with oxygen-containing functional groups after the pre-oxidation treatment.
The main control module 2 is used as a control unit of the system, and the main control module 2 can be a processor with a data processing function, such as a single chip microcomputer, an ARM processor, a computer and the like. The main control module 2 is used for collecting parameters and data in the reaction process and controlling other devices in the system to work according to the reaction sequence.
The first material valve 3 is connected with the first reaction container 1, the first material valve 3 is an electromagnetic valve, an inlet of the first material valve 3 is connected with one of the discharge holes of the first reaction container 1, and the first material valve 3 is used for controlling the discharge of materials in the first reaction container 1. The first material valve 3 is communicated with the main control device, and the communication mode can be wired or wireless; the main control module 2 controls the first material valve 3 to open after the first reaction container 1 reacts for a preset first time period, so that the materials in the first reaction container 1 are automatically discharged, and the first time period can be 2 hours.
The stirring device 4 is used for stirring the benzofluorene and the phenolic resin added into the stirring device so as to mix the benzofluorene and the phenolic resin, and further, the benzofluorene and the phenolic resin are subjected to a cross-linking reaction. One of them feed inlet of agitating unit 4 is connected through the pipeline with first material valve 3, and the automatic entering agitating unit 4 of the material of first material valve 3 exhaust. Agitating unit 4 and host system 2 communicate mutually, host system 2 opens to predetermine the second time after the control agitating unit 4 work and mixes benzofluorene and draw together phenolic resin and obtain the misce bene, and according to the benzofluorene that adds and draw together phenolic resin's total weight different, agitating unit 4's operating time is also different, and generally speaking, the benzofluorene that adds is the bigger with the total weight that draws together phenolic resin, and the length of time that needs the stirring is the longer.
The second material valve 5 is connected with one of the discharge ports of the stirring device 4; the second material valve 5 is communicated with the main control module 2; the main control module 2 can control the second material valve 5 to open, so that the mixed material in the stirring device 4 is discharged.
The discharge hole of the second material valve 5 is aligned with the feed inlet of the second reaction vessel 6, and the second reaction vessel 6 is used for cracking and carbonizing the mixed material. In the process, a large number of fine micropores are formed in the carbon-based material, so that the sodium lithium or sodium storage capacity of the carbon-based material is increased.
In the application, through the linkage of the main control module 2 and other devices, the automatic preparation of the carbon-based material can be realized, meanwhile, the error of manually controlling the working state of each module is reduced, and the performance of the carbon-based material is further improved.
With continued reference to fig. 1, a first temperature raising module 7 and a first temperature sensor 8 are provided in the first reaction vessel 1. The first warming module 7 is used for heating the first reaction vessel 1, and the first warming module 7 may be a resistance wire heating module or an electromagnetic heating module. The first temperature-raising module 7 and the first temperature sensor 8 are both in communication with the main control module 2, and the main control module 2 controls the first temperature-raising module 7 to raise the temperature of the benzofluorene in the first reaction container 1 to a first temperature range after receiving a work instruction issued by a worker, where the first temperature range may be 250 to 300 degrees. A first temperature sensor 8 is disposed in the first reaction vessel 1, and the first temperature sensor 8 may be an infrared sensor; the first temperature sensor 8 is communicated with the main control module 2, and the first temperature sensor 8 is used for detecting the temperature of the reaction cavity of the first reaction container 1 and sending a first temperature signal to the main control module 2; the first temperature signal is a voltage signal, and the main control module 2 adjusts the heating power of the first temperature rising module 7 based on the first temperature signal. Through the arrangement, the temperature in the first reaction container 1 can be automatically controlled, so that the benzofluorene can be oxidized more favorably.
The main control module 2 adjusts the heating power of the first temperature rising module 7 based on the first temperature signal, and comprises the following steps:
step S101, obtaining a first temperature value in the reaction cavity of the first reaction container 1 based on the first temperature signal.
Specifically, the first temperature signal is a voltage signal, and the main control module 2 obtains a first temperature value corresponding to the first temperature signal according to a preset comparison table or a comparison relation according to the voltage value of the first temperature signal, so that the processor can obtain the first temperature value in the reaction cavity.
Step S102, judging whether the first temperature value is larger than an upper limit threshold value of a first temperature interval; if yes, reducing the heating power of the first temperature raising module 7;
specifically, when the first temperature value is greater than the upper limit threshold of the first temperature interval, it indicates that too high temperature of the first reaction container 1 may cause decomposition or volatilization of benzofluorene, which is not favorable for oxidation of benzofluorene, and at this time, the main control module 2 reduces the heating power of the first temperature raising module 7, so that the temperature in the first reaction container 1 is reduced, which is favorable for oxidation of benzofluorene.
Step S103, judging whether the first temperature value is smaller than a lower limit threshold of a first temperature interval; if so, the heating power of the first warming module 7 is increased.
Specifically, when the first temperature value is smaller than the upper threshold of the first temperature interval, it indicates that the temperature of the first reaction container 1 is too low, which easily causes the reaction rate of benzofluorene to decrease, and is not favorable for the oxidation of benzofluorene, and at this time, the main control module 2 increases the heating power of the first temperature raising module 7, so that the temperature in the first reaction container 1 is raised, and the oxidation of benzofluorene is favorable.
With continued reference to fig. 1, the system further includes a first storage vessel 9 for placing phenolic resin; the first storage container 9 is connected with a second material valve 5, and the second material valve 5 is an electromagnetic valve; the inlet of the second material valve 5 is connected with the other inlet of the stirring device 4, so that the mixed material stirred by the stirring device 4 can be discharged through the second material valve 5. The second material valve 5 is communicated with the main control module 2; the main control module 2 controls the second material valve 5 to be opened after the first material valve 3 is opened; the main control module 2 controls the ratio of benzofluorene and phenolic resin added to the stirring device 4 by respectively controlling the opening duration of the first material valve 3 and the second material valve 5, for example, when the discharge rate of the first material valve 3 is the same as the discharge rate of the second material valve 5, the ratio of the opening duration of the first material valve 3 to the opening duration of the second material valve 5 is respectively controlled to control the ratio of the benzofluorene and phenolic resin; when the discharging rate of the first material valve 3 is different from that of the second material valve 5, the discharging time of the first material valve and the second material valve can be adaptively changed based on the preset proportion of the discharging rates. Through the arrangement, the proportion of the benzofluorene and the phenolic resin can be controlled more accurately and conveniently, and the benzofluorene and the phenolic resin can be subjected to a crosslinking reaction more conveniently.
With continued reference to fig. 1, the main control module 2 is connected to or has a data input module 10 built therein, and the data input module 10 may be a keyboard or a touch screen with a data input function; the data input module 10 is used for inputting the addition amount of the benzofluorene by a worker; the main control module 2 controls the opening time of the first material valve 3 and the second material valve 5 based on the addition amount of the benzofluorene.
With continued reference to fig. 1, the system further includes a prompting device 11, and the prompting device 11 may be a voice broadcasting device or a prompting lamp. The prompting device 11 is used for sending a prompt after the stirring device 4 works for the third time, specifically, the main control module 2 controls the stirring device 4 to work and then performs timing, and the main control module 2 controls the prompting device 11 to work after the stirring device 4 works for the third time, so that the prompting device 11 sends a prompt. The system also comprises a function button which is arranged beside the stirring device 4; the function button generates potential change after being pressed; the function button is electrically connected with the main control module 2, and the main control module 2 controls the opening of the second material valve 5 based on the potential change generated by the function button.
Referring to fig. 1, the system further includes a second storage container 12; the second storage container 12 is used for storing inert gas, and the inert gas can be argon; the second storage container 12 is connected to an air-extracting device for extracting air, which may be a pneumatic conveyor having good airtightness. The air extracting device is communicated with the main control module 2; the air outlet end of the air extractor is communicated with the second reaction vessel 6; and the main control module 2 controls the air exhaust device to work after the second material valve 5 is opened for a fourth time. Through the arrangement, the inert gas can be timely supplemented into the second reaction container 6, and the reaction is more favorably carried out.
With continued reference to fig. 1, the system further includes a second temperature raising module 13, where the second temperature raising module 13 is configured to raise the temperature of the second reaction vessel 6; the heating power of the second temperature-raising module 13 is greater than that of the first temperature-raising module 7; the second heating module 13 is communicated with the main control module 2; the main control module 2 controls the second temperature rising module 13 to work after the mixed material is added into the second reaction container 6, so that the second reaction container 6 reaches a preset second temperature range.
The main control module 2 is internally provided with a timing module 14, and the timing module 14 is used for timing. The timing module 14 sends a first control signal to the main control module 2 after the first temperature rising module 7 works for a first time period, and the main control module 2 controls the first material valve 3 to be opened based on the first control signal. The timing module 14 sends a second control signal to the main control module 2 after the second temperature rising module 13 works for a fourth time, and the main control module 2 controls the air extraction device and the second temperature rising module 13 to stop working based on the second control signal.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (9)
1. An intelligent control reaction system for preparing a carbon-based material of a battery anode is characterized by comprising:
the device comprises a first reaction container (1), wherein the first reaction container (1) is used for carrying out pre-oxidation treatment on benzofluorene added into a reaction cavity of the first reaction container;
a main control module (2) as a control unit of the system;
the first material valve (3) is connected with the first reaction container (1) and is used for controlling the discharge of materials in the first reaction container (1); the first material valve (3) is communicated with the main control device; the main control module (2) controls the first material valve (3) to be opened after the first reaction container (1) reacts for a preset first time;
the stirring device (4), one of the feeding holes of the stirring device (4) is connected with the first material valve (3) through a pipeline, the stirring device (4) is communicated with the main control module (2), and the main control module (2) controls the stirring device (4) to work after the material valve is opened for a preset second time period so as to mix benzofluorene with phenolic resin to obtain a mixed material;
the second material valve (5) is connected with one of the discharge holes of the stirring device (4); the second material valve (5) is communicated with the main control module (2); the main control module (2) can control the second material valve (5) to be opened; and (c) a second step of,
and the discharge hole of the second material valve (5) is aligned with the feed hole of the second reaction container (6), and the second reaction container (6) is used for enabling the mixed material to be subjected to cracking and carbonization reactions.
2. The intelligent control reaction system for preparing the carbon-based material of the anode of the battery according to claim 1, wherein a first temperature raising module (7) and a first temperature sensor (8) are arranged in the first reaction container (1); the first temperature rising module (7) and the first temperature sensor (8) are communicated with the main control module (2); after receiving a working instruction, the main control module (2) controls the first temperature raising module (7) to raise the temperature of the benzofluorene in the first reaction container (1) to a first temperature range; the first temperature sensor (8) is communicated with the main control module (2), and the first temperature sensor (8) is used for detecting the temperature of a reaction cavity of the first reaction container (1) and sending a first temperature signal to the main control module (2); the main control module (2) adjusts the heating power of the first warming module (7) based on the first temperature signal.
3. The intelligent control reaction system for preparing the carbon-based material of the anode of the battery according to claim 2, wherein the main control module (2) adjusts the heating power of the first temperature raising module (7) based on the first temperature signal, and comprises:
obtaining a first temperature value in a reaction cavity of the first reaction container (1) based on the first temperature signal;
judging whether the first temperature value is larger than an upper limit threshold value of the first temperature interval; if yes, reducing the heating power of the first warming module (7); and (c) a second step of,
judging whether the first temperature value is smaller than a lower limit threshold of the first temperature interval; if yes, the heating power of the first warming module (7) is increased.
4. The intelligent control reaction system for the preparation of carbon-based materials for the negative electrode of the battery, according to claim 3, characterized in that the system further comprises a first storage container (9) for placing phenolic resin; the first storage container (9) is connected with a second material valve (5); the second material valve (5) is connected with the other inlet of the stirring device (4); the second material valve (5) is communicated with the main control module (2); the main control module (2) controls the second material valve (5) to be opened after the first material valve (3) is opened; the main control module (2) controls the opening time of the first material valve (3) and the second material valve (5) respectively, and controls the proportion of the benzofluorene and the phenolic resin added into the stirring device (4).
5. The intelligent control reaction system for preparing the carbon-based material of the battery cathode is characterized in that a data input module (10) is connected with or arranged in the main control module (2), and the data input module (10) is used for inputting the adding amount of the benzofluorene by workers; the main control module (2) controls the opening duration of the first material valve (3) and the second material valve (5) based on the adding amount.
6. The intelligent control reaction system for the preparation of the carbon-based material of the anode of the battery is characterized in that the system further comprises a prompting device (11); the prompting device (11) is used for giving a prompt after the stirring device (4) works for a third time length; the system further comprises a function button; the function button generates potential change after being pressed; the function button is arranged beside the stirring device (4); the function button is electrically connected with the main control module (2), and the main control module (2) controls the second material valve (5) to be opened based on the potential change generated by the function button.
7. The intelligent control reaction system for the preparation of carbon-based materials for battery anodes according to claim 6, characterized in that it further comprises a second storage container (12); the second storage container (12) is used for storing inert gas; the second storage container (12) is connected with an air extracting device for extracting air; the air exhaust device is communicated with the main control module (2); the air outlet end of the air extractor is communicated with the second reaction vessel (6); and the main control module (2) controls the air extracting device to work after the second material valve (5) is opened for a fourth time.
8. The intelligent control reaction system for preparing the carbon-based material of the anode of the battery according to claim 7, characterized in that the system further comprises a second temperature raising module (13), wherein the second temperature raising module (13) is used for raising the temperature of the second reaction vessel (6); the heating power of the second temperature rising module (13) is greater than that of the first temperature rising module (7); the second temperature-raising module (13) is communicated with the main control module (2); and the main control module (2) controls the second temperature rising module (13) to work after the mixed material is added into the second reaction container (6), so that the second reaction container (6) reaches a preset second temperature range.
9. The intelligent control reaction system for preparing carbon-based materials of negative electrode of battery, according to claim 8, characterized in that the main control module (2) is provided with a timing module (14) inside, and the timing module (14) is used for timing;
the timing module (14) sends a first control signal to the main control module (2) after the first temperature rise module (7) works for a first time period, and the main control module (2) controls the first material valve (3) to be opened based on the first control signal;
and the timing module (14) sends a second control signal to the main control module (2) after the second temperature rising module (13) works for a fourth time, and the main control module (2) controls the air extracting device and the second temperature rising module (13) to stop working based on the second control signal.
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