CN115090235B - 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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- CN115090235B CN115090235B CN202210951959.8A CN202210951959A CN115090235B CN 115090235 B CN115090235 B CN 115090235B CN 202210951959 A CN202210951959 A CN 202210951959A CN 115090235 B CN115090235 B CN 115090235B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 100
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 106
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 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
- 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
- 238000010438 heat treatment Methods 0.000 claims description 41
- 238000003860 storage Methods 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000010000 carbonizing Methods 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010792 warming 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
- 230000009286 beneficial effect Effects 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
- 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
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
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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
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The application relates to an intelligent control reaction system for preparing a battery cathode carbon-based material, 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 period to mix the benzofluorene and the 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 opening of the second material valve; and the second reaction container is used for enabling the mixed materials to undergo cracking and carbonization reactions, and the discharge port of the second material valve is aligned with the feed inlet of the second reaction container. The application has the effect of being capable of controlling the preparation of the carbon-based material of the battery cathode more intelligently.
Description
Technical Field
The application relates to the technical field of battery materials, in particular to an intelligent control reaction system for preparing a carbon-based material of a battery cathode.
Background
Electrode materials are important parameters that determine the capacity, operating voltage, and cycle life of a battery.
Carbon-based materials are currently widely used in battery cathodes due to their relatively high volumetric capacity and good cycling performance. How to prepare the carbon-based material of the battery cathode more intelligently is a technical problem to be solved.
Disclosure of Invention
In order to be able to control the preparation of the battery negative electrode carbon-based material more intelligently, the application provides an intelligent control reaction system for the preparation of the battery negative electrode carbon-based material.
The intelligent control reaction system for preparing the battery cathode carbon-based material provided by the application adopts the following technical scheme.
An intelligent control reaction system for battery negative carbon-based material preparation, comprising:
the first reaction vessel is used for performing pre-oxidation treatment on benzofluorene added into the reaction cavity of the first reaction vessel;
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 module; the main control module controls the first material valve to be opened after the first reaction container reacts for a preset first time period;
The stirring device is connected with the first material valve through a pipeline, the stirring device is communicated with the main control module, and the main control module controls the stirring device to work to mix benzofluorene and phenolic resin after the material valve is opened for a preset second time period 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
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 cracking and carbonizing the mixed material.
Through adopting above-mentioned technical scheme, through the linkage of main control module and other devices, can realize the automatic preparation of carbon-based material, reduced the error nature of the operating condition of manual control each module simultaneously, further improved the performance of carbon-based material.
Optionally, a first temperature rising module and a first temperature sensor are arranged in the first reaction container; the first temperature rising module and the first temperature sensor are communicated with the main control module; the main control module controls the first heating module to heat the benzofluorene in the first reaction container to a first temperature interval after receiving a working instruction; the first temperature sensor is communicated with the main control module and is used for detecting the temperature of the reaction cavity of the 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 heating module based on the first temperature signal.
Optionally, the main control module adjusts the heating power of the first heating module based on the first temperature signal, including:
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 or not; if yes, reducing the heating power of the first temperature rising module; and
Judging whether the first temperature value is smaller than a lower threshold value of the first temperature interval; if so, the heating power of the first temperature rising module is increased.
Optionally, the system further comprises a first storage container for placing phenolic resin; the first storage container is connected with another third material valve; the third material valve is connected with the other inlet of the stirring device; the third material valve is communicated with the main control module; the main control module controls the third 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 time of the first material valve and the opening time of the third 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 inputting the addition amount of benzofluorene by a worker; and the main control module controls the opening time 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 sending a prompt after the stirring device works for a third time period; the system further includes a function button; the function button generates potential change after being pressed; the function button is arranged beside the stirring device; the functional button is electrically connected with the main control module, and the main control module controls the second material valve to be opened based on potential change generated by the functional 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 extracting device for extracting air; the air extracting 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 extractor to work after the second material valve is opened for a fourth time period.
Optionally, the system further comprises a second temperature raising module, wherein the second temperature raising module is used for raising the temperature of the second reaction container; the heating power of the second heating module is larger than that of the first heating 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 interval.
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 rising 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;
The timing module sends a second control signal to the main control module after the second heating module works for a fourth time period, and the main control module controls the air extractor 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 a carbon-based material for a negative electrode of a battery according to an embodiment of the present 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 increasing 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 increasing module; 14. a timing module; 15. and a third material valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to fig. 1 and the embodiment. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The embodiment of the application discloses an intelligent control reaction system for preparing a carbon-based material of a battery cathode. Referring to fig. 1, as one embodiment of an intelligent control reaction system for battery anode carbon-based material preparation, an intelligent control reaction system for battery anode carbon-based material preparation includes: the device comprises a first reaction container 1, a main control module 2, a first material valve 3, a stirring device 4, a second material valve 5 and a second reaction container 6.
The first reaction vessel 1 is provided with a reaction cavity, the first reaction vessel 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 single chip microcomputer, an ARM processor, a computer and other processors with data processing functions. 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 discharge holes of the first reaction container 1, and the first material valve 3 is used for controlling discharge of materials in the first reaction container 1. The first material valve 3 is communicated with the main control module 2 in a wired or wireless way; 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 length, so that the automatic discharge of materials in the first reaction container 1 is realized, and the first time length can be 2 hours.
The stirring device 4 is used for stirring the benzofluorene and the phenolic resin which are added into the stirring device so as to mix the benzofluorene and the phenolic resin, and further, the benzofluorene and the phenolic resin undergo a crosslinking reaction. One of the feed inlets of the stirring device 4 is connected with the first material valve 3 through a pipeline, and the material discharged by the first material valve 3 automatically enters the stirring device 4. The stirring device 4 is communicated with the main control module 2, the main control module 2 controls the stirring device 4 to work to mix the benzofluorene and the phenolic resin after the material valve is opened for a preset second time period to obtain a mixed material, the working time period of the stirring device 4 is different according to the difference of the total weight of the added benzofluorene and the phenolic resin, and generally speaking, the larger the total weight of the added benzofluorene and the phenolic resin is, the longer the stirring time period is needed.
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 be opened, so that the mixed materials in the stirring device 4 are discharged.
The discharge hole of the second material valve 5 is aligned with the feed hole 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 tiny micropores are formed in the carbon-based material, so that the capacity of the carbon-based material for storing sodium lithium or sodium is increased.
According to the application, the main control module 2 is linked with other devices, so that 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 increasing module 7 and a first temperature sensor 8 are provided in the first reaction vessel 1. The first heating module 7 is used for heating the first reaction container 1, and the first heating module 7 may be a resistance wire heating module or an electromagnetic heating module. The first temperature rising module 7 and the first temperature sensor 8 are both communicated with the main control module 2, and the main control module 2 controls the first temperature rising module 7 to heat the benzofluorene in the first reaction container 1 to a first temperature interval after receiving a working instruction issued by a worker, wherein the first temperature interval can be 250-300 degrees. The 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 raising module 7 based on the first temperature signal. By the above arrangement, the temperature in the first reaction vessel 1 can be automatically controlled, so that the oxidation of benzofluorene is more facilitated.
The main control module 2 adjusts the heating power of the first temperature raising module 7 based on the first temperature signal, and includes the following steps:
Step S101, obtaining a first temperature value in the reaction chamber of the first reaction vessel 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 threshold value of the 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 threshold of the first temperature interval, it indicates that the excessive temperature of the first reaction container 1 may cause decomposition or volatilization of benzofluorene, which is unfavorable for oxidation of the benzofluorene, and at this time, the main control module 2 reduces the heating power of the first heating module 7, so that the temperature in the first reaction container 1 is reduced, which is favorable for oxidation of the benzofluorene.
Step S103, judging whether the first temperature value is smaller than a lower threshold value of the first temperature interval; if so, the heating power of the first temperature raising module 7 is increased.
Specifically, when the first temperature value is smaller than the upper threshold of the first temperature interval, the temperature of the first reaction container 1 is too low, which is easy to cause the reduction of the reaction rate of benzofluorene and is unfavorable for the oxidation of benzofluorene, and at this time, the main control module 2 increases the heating power of the first heating module 7, so that the temperature in the first reaction container 1 is increased, which is favorable for the oxidation of benzofluorene.
With continued reference to fig. 1, the system further includes a first storage vessel 9 for phenolic resin; the first storage container 9 is connected with another third material valve 15, and the third material valve 15 is an electromagnetic valve; the inlet of the third material valve 15 is connected to the other inlet of the stirring device 4, and the mixed material stirred by the stirring device 4 can be discharged through the third material valve 15. The third material valve 15 is communicated with the main control module 2; the main control module 2 controls the third material valve 15 to be opened after the first material valve 3 is opened; the main control module 2 controls the proportion of benzofluorene and phenolic resin added to the stirring device 4 by controlling the opening time periods of the first material valve 3 and the third material valve 15 respectively, for example, when the discharging rate of the first material valve 3 is the same as the discharging rate of the third material valve 15, the proportion of benzofluorene and phenolic resin can be controlled by controlling the ratio of the opening time periods of the first material valve 3 and the third material valve 15 respectively; when the discharge rate of the first material valve 3 is different from the discharge rate of the third material valve 15, the discharge time of both may be adaptively changed based on the ratio of the preset obtained discharge rate. Through the arrangement, the proportion of the benzofluorene and the phenolic resin can be controlled more accurately and conveniently, and the cross-linking reaction of the benzofluorene and the phenolic resin is facilitated.
With continued reference to fig. 1, the main control module 2 is connected to or has a data input module 10, 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 benzofluorene by a worker; the main control module 2 controls the opening time of the first material valve 3 and the third material valve 15 based on the addition amount of benzofluorene.
With continued reference to fig. 1, the system further includes a prompting device 11, where the prompting device 11 may be a voice broadcasting device or a prompting light device. The prompting device 11 is configured to send a prompt after the stirring device 4 works for a third period, specifically, the main control module 2 enters timing after controlling the stirring device 4 to work, and when the stirring device 4 works for the third period, the main control module 2 controls the prompting device 11 to work, so that the prompting device 11 sends a prompt. The system also comprises a function button, wherein the function button is arranged beside the stirring device 4; the function button is pressed to generate potential change; 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.
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 with an air extracting device for extracting air, and the air extracting device can be a pneumatic conveyor with good air tightness. 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 container 6; and the main control module 2 controls the air extractor to work after the second material valve 5 is opened for a fourth time period. By the arrangement, the inert gas can be timely supplied into the second reaction vessel 6, which is more beneficial to the reaction.
With continued reference to fig. 1, the system further includes a second warming module 13, the second warming module 13 being configured to warm the second reaction vessel 6; the heating power of the second temperature raising module 13 is larger 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 heating module 13 to work after the mixed materials are added into the second reaction container 6 so that the second reaction container 6 reaches a preset second temperature interval.
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 period of time, 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 heating module 13 works for a fourth time period, and the main control module 2 controls the air extractor and the second heating module 13 to stop working based on the second control signal.
The foregoing description of the preferred embodiments of the application is not intended to limit the scope of the application in any way, including the abstract and drawings, in which case any feature disclosed in this specification (including abstract and drawings) may be replaced by alternative features serving the same, equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Claims (6)
1. An intelligent control reaction system for preparing a carbon-based material of a battery cathode, which is characterized by comprising the following components:
A first reaction vessel (1), wherein the first reaction vessel (1) is used for performing pre-oxidation treatment on benzofluorene added into a reaction cavity of the first reaction vessel;
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 module (2); 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 period;
The stirring device (4), one of the feed inlets 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 to mix benzofluorene and phenolic resin after the material valve is opened for a preset second time period to obtain a mixed material;
A second material valve (5) 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 be opened; and
The discharge hole of the second material valve (5) is aligned with the feed inlet of the second reaction container (6), and the second reaction container (6) is used for cracking and carbonizing the mixed material;
a first temperature rising 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); the main control module (2) controls the first heating module (7) to heat the benzofluorene in the first reaction container (1) to a first temperature interval after receiving a working instruction; 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 main control module (2) adjusts the heating power of the first heating module (7) based on the first temperature signal;
the system further comprises a first storage container (9) for placing phenolic resin; the first storage container (9) is connected with another third material valve (15); the third material valve (15) is connected with the other inlet of the stirring device (4); the third material valve (15) is communicated with the main control module (2); the main control module (2) controls the third material valve (15) to be opened after the first material valve (3) is opened; the main control module (2) controls the proportion of benzofluorene and phenolic resin added into the stirring device (4) by respectively controlling the opening time of the first material valve (3) and the third material valve (15).
2. The intelligent control reaction system for preparing a carbon-based material of a battery anode according to claim 1, 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 vessel (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 or not; if so, reducing the heating power of the first temperature raising module (7); and
Judging whether the first temperature value is smaller than a lower threshold value of the first temperature interval; if so, the heating power of the first temperature rising module (7) is increased.
3. The intelligent control reaction system for preparing the battery cathode carbon-based material according to claim 2, wherein the main control module (2) is connected with or internally provided with a data input module (10), and the data input module (10) is used for inputting the addition amount of 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 adding amount.
4. An intelligent control reaction system for the preparation of a battery negative carbon-based material according to claim 3, characterized in that the system further comprises a prompting device (11); the prompting device (11) is used for sending out a prompt after the stirring device (4) works for a third time period; the system further includes 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 potential change generated by the function button.
5. An intelligent control reaction system for the preparation of a battery negative carbon-based material according to claim 4, characterized in that the system 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 extracting device is communicated with the main control module (2); the air outlet end of the air exhaust device is communicated with the second reaction container (6); and the main control module (2) controls the air extractor to work after the second material valve (5) is opened for a fourth time period.
6. The intelligent control reaction system for preparing a carbon-based material for a negative electrode of a battery according to claim 5, further comprising a second temperature increasing module (13), wherein the second temperature increasing module (13) is used for increasing the temperature of the second reaction container (6); the heating power of the second temperature rising module (13) is larger than that of the first temperature rising module (7); the second heating module (13) is communicated with the main control module (2); the main control module (2) controls the second heating 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 interval.
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