CN217954350U - Vapor deposition detection system for silicon-carbon anode material production - Google Patents
Vapor deposition detection system for silicon-carbon anode material production Download PDFInfo
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- CN217954350U CN217954350U CN202221980175.XU CN202221980175U CN217954350U CN 217954350 U CN217954350 U CN 217954350U CN 202221980175 U CN202221980175 U CN 202221980175U CN 217954350 U CN217954350 U CN 217954350U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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
A vapor deposition detection system for producing silicon-carbon cathode materials is characterized by comprising a plurality of gas storage tanks, a gas distribution tank, a vapor deposition adsorption device and a detection device; the multifunctional gas collection and treatment device has the advantages of being simple, practical and the like, multiple functions are integrated, the multifunctional gas collection and treatment device can be combined with an existing data collection and automatic control integrated system, operability and expansibility are high, corresponding functional modules can be selected according to needs to carry out experiments, multiple experiments can be carried out, modified gas materials adsorbed by battery cathodes and capable of meeting various requirements can be obtained conveniently, in order to prevent tail gas from causing negative influences on the environment, a gas collection and treatment device is additionally arranged, the tail gas is recycled, system energy consumption is saved to the maximum degree while the experimental effect is confirmed, the multifunctional gas collection and treatment device can be used as a teaching training and scientific research tool to assist in completing experimental practical training teaching targets, the working principle of adsorption and desorption can be mastered in a binding mode through the detection platform, the purpose of efficient learning is achieved, and the multifunctional gas collection and treatment device has popularization and application values.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a vapor deposition detecting system for production of silicon carbon cathode material.
Background
At present, in the field of battery negative electrode materials, silicon-based materials have higher theoretical capacity, are far larger than the traditional graphite negative electrode materials, and are considered to be the most promising novel lithium ion battery negative electrode materials at present. However, such materials have serious problems of volume expansion and the like in the process of lithium intercalation and deintercalation, which leads to active particle pulverization, the original structure of the materials is damaged, and the capacity is rapidly attenuated, thereby restricting the commercial application of the materials.
Aiming at the problem of volume expansion of a silicon-based negative electrode material in practical application, a chemical vapor deposition system carbon nanofiber coating is often adopted to improve the cycle performance, the chemical vapor deposition is a surface modification method, carbon is coated on the surface of silicon particles by the method, not only can the material change caused by insertion of lithium be inhibited, but also the nano silicon particles can be dispersed, the agglomeration of the nano material can be effectively prevented, the electrochemical performance of the material is improved, but before large-scale production, the component proportioning effectiveness of the adsorption modified material is difficult to grasp, only existing mature products can be used, the product cannot meet the differentiation requirements, and the product competitiveness is reduced.
Disclosure of Invention
The utility model provides a can improve the ability that battery negative pole material reply differentiation demand, improve material properties, reduction in production cost's a vapor deposition detecting system for silicon carbon negative pole material production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vapor deposition detection system for producing silicon-carbon cathode materials is characterized by comprising a plurality of gas storage tanks, a gas distribution tank, a vapor deposition adsorption device and a detection device; every the gas holder be connected with distribution jar detachable through the connecting pipe of taking gas flow control valve, the distribution jar on be equipped with a plurality of input and an output that corresponds with gas holder quantity for receive the quantitative gas of gas holder output and mix, the output of distribution jar pass through the connecting pipe and be connected with vapor deposition adsorption equipment, vapor deposition adsorption equipment be used for carrying out gas deposition to the material and adsorb, be convenient for test modified adsorption material to anode material's modified effect, the output of distribution jar and vapor deposition adsorption equipment between be equipped with an interface on the connecting pipe with detection device connects, detection device include gas chromatograph for the mist to distribution jar output carries out component measurement.
The further scheme is as follows: in order to save the use cost and reduce the negative influence caused by the emission of the tail gas of the device, the device further comprises a gas recovery and treatment device, the gas recovery and treatment device comprises a vacuum pump, an air bag, a diaphragm compressor, a waste gas tank, a pure gas pipe and a low-temperature purification device, the air bag is connected with the waste gas output end of the vapor deposition adsorption device through a connecting pipe, the vacuum pump is arranged on a connecting pipe between the air bag and the vapor deposition adsorption device and used for guiding the tail gas with impurities generated by the vapor deposition adsorption device into the air bag, the output end of the air bag is connected with the diaphragm compressor through a connecting pipe with a one-way gas valve, the diaphragm compressor is respectively connected with the waste gas tank and the pure gas pipe through a connecting pipe with a one-way gas valve, the diaphragm compressor is used for pressing the gas output by the air bag into the waste gas tank or the pure gas bottle, the waste gas tank is connected with the low-temperature purification device through a connecting pipe, the low-temperature purification device is used for carrying out low-temperature adsorption and purification on the impurities in the waste gas through a connecting pipe with a one-way of the one-way gas valve, and the low-temperature purification device is connected with the air bag.
The further scheme is as follows: and a gas flowmeter is arranged on a connecting pipe between the gas distribution tank and the vapor deposition adsorption device and used for monitoring the gas flow output from the gas distribution tank and conveniently and accurately calculating gas components.
The utility model discloses a theory of operation is: the components of the adsorption modified gas obtained by a gas distribution system consisting of a gas storage tank and a gas distribution tank are determined by monitoring through a detection device, the adsorption modified material is attached to the battery cathode material for testing by using a vapor deposition adsorption device, the modification effect of the adsorption modified material is detected, the modified gas suitable for various requirements can be obtained, and the cathode material more suitable for different requirements can be obtained. And then, using a gas recovery processing device, introducing waste gas generated by the vapor deposition adsorption device into the air bag through a vacuum pump, pressing the waste gas in the air bag into the waste gas tank through a compressor, and then, connecting the waste gas into the low-temperature purification device, after all gas in the air bag enters the waste gas tank and the low-temperature purification device, opening a one-way valve between the low-temperature purification device and the air bag, closing a one-way air valve between the compressor and the waste gas tank, enabling the gas purified at low temperature to flow into the air bag, then opening a one-way air valve between the compressor and a pure gas tank, pressing the gas purified at low temperature into a pure gas pipe through the compressor, dismounting the pure gas tank, and directly filling the pure gas tank as a new gas storage tank into a gas distribution system, namely, completing gas recovery processing.
The beneficial effects of the utility model are that: the detection platform has the advantages of simplicity, practicality and the like, integrates the functions of multi-component gas distribution, vapor deposition adsorption, gas analysis and the like, can be combined with the existing data acquisition and automatic control integrated system, has strong operability and expansibility, can select corresponding functional modules to carry out experiments according to the needs of users, can carry out gas distribution experiments, impurity analysis experiments and vapor deposition adsorption experiments, is convenient to obtain modified gas materials adsorbed by the cathode of the battery which can meet various requirements, is additionally provided with a gas collection and treatment device for preventing tail gas from causing negative influence on the environment, recycles the tail gas after recovery treatment, saves the energy consumption of the system to the maximum extent while confirming the test effect, can be used as a teaching and training scientific research tool to assist in completing the experimental and practical training teaching target, can grasp the working principle of adsorption in a practical manner through the detection platform, achieves the aim of high-efficiency learning, and has popularization and application values.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the gas recovery processing device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
As shown in the figure, the vapor deposition detection system for producing the silicon-carbon cathode material comprises a plurality of gas storage tanks 1, a gas distribution tank 2, a vapor deposition adsorption device 3 and a detection device 4; every gas holder 1 through the connecting pipe of taking gas flow control valve to be connected with 2 detachable of distribution jar, distribution jar 2 on be equipped with a plurality of input and an output that correspond with 1 quantity of gas holder for the quantitative gas of receiving 1 output of gas holder and mixing, the output of distribution jar 2 be connected with vapor deposition adsorption equipment 3 through the connecting pipe, vapor deposition adsorption equipment 3 be used for carrying out the gas deposition to the material and adsorb, be convenient for test modified adsorption material to negative pole material's modification effect, distribution jar 2 the output and the gas deposition adsorption equipment 3 between the connecting pipe on be equipped with an interface with detection device 4 connects, detection device 4 include gas chromatograph for the gas mixture to distribution jar 2 output carries out the component measurement.
In order to save the use cost and reduce the negative effect generated by the exhaust emission of the device, the device also comprises a gas recovery processing device 5, wherein the gas recovery processing device comprises a vacuum pump 51, a gas bag 52, a diaphragm compressor 53, an exhaust gas tank 54, a pure gas pipe 55 and a low-temperature purification device 56, the gas bag 52 is connected with the exhaust output end of the vapor deposition adsorption device 3 through a connecting pipe, the vacuum pump 51 is arranged on the connecting pipe between the gas bag 52 and the vapor deposition adsorption device 3 and used for guiding the exhaust gas with impurities generated by the vapor deposition adsorption device 3 into the gas bag 52, the output end of the gas bag 52 is connected with the diaphragm compressor 53 through the connecting pipe with a one-way gas valve, the diaphragm compressor 53 is respectively connected with the exhaust gas tank 54 and the pure gas pipe 55 through the connecting pipe with the one-way gas valve, the diaphragm compressor 53 is used for pressing the gas output by the gas bag 52 into the exhaust gas tank 54 or the pure gas bottle 55, the exhaust gas tank 54 is connected with the low-temperature purification device 56 through the connecting pipe, and the low-temperature purification device 56 is used for adsorbing and purifying impurities in the exhaust gas in the low-temperature gas bag 52 through the connecting pipe with the one-way connecting pipe.
And a gas flowmeter 6 is arranged on a connecting pipe between the gas distribution tank 2 and the gas phase deposition adsorption device 3 and used for monitoring the gas flow output from the gas distribution tank 2 and facilitating accurate calculation of gas components.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (3)
1. A vapor deposition detection system for producing silicon-carbon cathode materials is characterized by comprising a plurality of gas storage tanks, a gas distribution tank, a vapor deposition adsorption device and a detection device; every the gas holder through take gas flow control valve's connecting pipe and distribution jar detachable be connected, the distribution jar on be equipped with a plurality of input and an output that corresponds with gas holder quantity for receive the quantitative gas of gas holder output and mix, the output of distribution jar pass through the connecting pipe and be connected with vapor deposition adsorption equipment, vapor deposition adsorption equipment be used for carrying out gas deposition to the material and adsorb, output of distribution jar and vapor deposition adsorption equipment between be equipped with an interface on the connecting pipe with detection device connects, detection device include gas chromatograph for the mist to distribution jar output carries out the component measurement.
2. The vapor deposition detection system for producing silicon-carbon anode material according to claim 1, further comprising a gas recovery processing device, wherein the gas recovery processing device comprises a vacuum pump, an air bag, a diaphragm compressor, an exhaust gas tank, a pure gas pipe and a low-temperature purification device, the air bag is connected with an exhaust gas output end of the vapor deposition adsorption device through a connecting pipe, the vacuum pump is arranged on a connecting pipe between the air bag and the vapor deposition adsorption device and used for guiding exhaust gas with impurities generated by the vapor deposition adsorption device into the air bag, an output end of the air bag is connected with the diaphragm compressor through a connecting pipe with a one-way gas valve, the diaphragm compressor is respectively connected with the exhaust gas tank and the pure gas pipe through a connecting pipe with a one-way gas valve, the diaphragm compressor is used for pressing gas output by the air bag into the exhaust gas tank or the pure gas bottle, the exhaust gas tank is connected with the low-temperature purification device through a connecting pipe, the low-temperature purification device is used for low-temperature adsorption and purification of impurities in the exhaust gas through a connecting pipe with a one-way gas valve, and the low-temperature purification device is connected with the air bag through a connecting pipe with the air valve.
3. The vapor deposition detection system for silicon-carbon anode material production as claimed in claim 1 or 2, wherein a gas flow meter is arranged on a connecting pipe between the gas distribution tank and the vapor deposition adsorption device for monitoring the gas flow output from the gas distribution tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221980175.XU CN217954350U (en) | 2022-07-29 | 2022-07-29 | Vapor deposition detection system for silicon-carbon anode material production |
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| CN202221980175.XU CN217954350U (en) | 2022-07-29 | 2022-07-29 | Vapor deposition detection system for silicon-carbon anode material production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117070915A (en) * | 2023-10-13 | 2023-11-17 | 苏州纽姆特纳米科技有限公司 | Carbon nano electrode preparation system based on battery electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117070915A (en) * | 2023-10-13 | 2023-11-17 | 苏州纽姆特纳米科技有限公司 | Carbon nano electrode preparation system based on battery electrode |
| CN117070915B (en) * | 2023-10-13 | 2023-12-26 | 苏州纽姆特纳米科技有限公司 | Carbon nano electrode preparation system based on battery electrode |
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