CN221238814U - Carbon coating integrity test equipment - Google Patents
Carbon coating integrity test equipment Download PDFInfo
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- CN221238814U CN221238814U CN202323172207.0U CN202323172207U CN221238814U CN 221238814 U CN221238814 U CN 221238814U CN 202323172207 U CN202323172207 U CN 202323172207U CN 221238814 U CN221238814 U CN 221238814U
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- reaction tank
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- carrier gas
- carbon
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 28
- 239000011248 coating agent Substances 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 99
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 239000012159 carrier gas Substances 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 46
- 239000001257 hydrogen Substances 0.000 claims abstract description 39
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 39
- 239000002210 silicon-based material Substances 0.000 claims abstract description 32
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 150000002431 hydrogen Chemical class 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000010405 anode material Substances 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000011016 integrity testing Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Abstract
The utility model discloses a carbon coating integrity test device, which belongs to the technical field of material detection, and comprises: the reaction tank is used for placing the silicon-based material and the reaction liquid, and is provided with an air outlet socket, an air inlet socket and at least two temperature sensors for detecting the temperature in the reaction tank, wherein the at least two temperature sensors comprise a gas temperature sensor for detecting the temperature of the gas in the reaction tank and a liquid temperature sensor for detecting the temperature of the reaction liquid in the reaction tank; carrier gas control means for supplying carrier gas into the reaction tank; the detection device is used for detecting the hydrogen generated in the reaction tank; the carrier gas control device is connected with the air inlet socket through an air inlet pipeline; the detection device is connected with the air outlet socket through an air outlet pipeline; a heating device is arranged on the reaction tank. The method can simply and conveniently characterize the integrity of the silicon-based material for carbon coating.
Description
Technical Field
The utility model relates to the technical field of material detection, in particular to carbon coating integrity test equipment.
Background
In recent years, with the rapid development of portable electronic products and new energy vehicles, the demand of high-capacity and high-performance lithium ion batteries is increasing, so that the development of novel anode materials is very important. Compared with the traditional graphite anode material, the silicon-based anode material has higher theoretical specific capacity, and therefore, is receiving a great deal of attention.
In the charge and discharge process, the silicon anode material has larger volume expansion problem, and the structural stability and the cycle performance of the silicon-based material are obviously damaged. In order to solve the problem, a common strategy is to carry out carbon coating treatment on the silicon-based material, so that the volume expansion is effectively reduced. Although carbon coating can effectively inhibit volume expansion, how to characterize the integrity and uniformity of the carbon coating is a new challenge. Currently, commonly used methods for detecting the integrity of carbon coatings include SEM, TEM, raman spectroscopy, and the like. However, these characterization methods are complex and costly, and therefore, there is a need to develop a simple, easy-to-operate and low-cost test apparatus for characterizing the integrity of the carbon coating.
Disclosure of utility model
The utility model aims to meet the actual demand, and provides carbon coating integrity test equipment which can simply and conveniently characterize the integrity of a silicon-based material for carbon coating.
The utility model provides a carbon coating integrity test device, which comprises:
The reaction tank is used for placing silicon-based materials and reaction liquid, and is provided with an air outlet socket, an air inlet socket and a temperature sensor for detecting the temperature in the reaction tank;
carrier gas control means for supplying carrier gas into the reaction tank;
the detection device is used for detecting the hydrogen generated in the reaction tank; wherein:
the carrier gas control device is connected with the air inlet socket through an air inlet pipeline; the detection device is connected with the air outlet socket through an air outlet pipeline; a heating device is arranged on the reaction tank.
Preferably, the reaction tank comprises a tank body and a tank cover, wherein an air outlet jack, an air inlet jack and a temperature sensor jack for installing a temperature sensor are formed in the tank cover.
Preferably, a sealing ring is arranged between the tank body and the tank cover, and a quick card clamp is arranged on the tank cover.
Preferably, at least two temperature sensors are provided, including a gas temperature sensor for detecting the temperature of the gas in the reaction tank and a liquid temperature sensor for detecting the temperature of the reaction liquid in the reaction tank.
Preferably, the heating device comprises a magnetic stirrer contacted with the bottom of the reaction tank, a temperature controller and a heating sleeve wrapped on the outer wall of the reaction tank; wherein, temperature controller and heating jacket are connected.
Preferably, the magnetic stirrer comprises a heating plate, a numerical control display panel, a temperature/time adjusting knob and a stirring speed adjusting knob; wherein the heating plate is in contact with the bottom of the reaction tank.
Preferably, the temperature controller comprises a temperature control meter, a heating rod interface and a thermocouple interface; the heating rod interface is connected with the heating sleeve, and the thermocouple interface is connected with the temperature sensor.
Preferably, the carrier gas control device comprises a gas flowmeter, a flow controller and a carrier gas bottle; the gas flowmeter is connected with the carrier gas bottle and the gas inlet socket through a gas inlet pipeline, the gas flowmeter is connected with the flow controller, and the flow controller is connected with the detection device.
Preferably, the detection device comprises a hydrogen sensor, an electrochemical workstation and a test terminal; the hydrogen sensor is connected with the outlet socket and the tail gas pipe through an outlet pipeline, the electrochemical workstation is connected with the hydrogen sensor through an electrode, and the test terminal is connected with the electrochemical workstation and the flow controller.
Preferably, the carrier gas is an inert gas.
Compared with the prior art, the application has the advantages and positive effects that:
The carbon coating integrity test equipment provided by the utility model comprises a reaction tank for placing silicon-based materials and reaction liquid, wherein an air outlet socket, an air inlet socket and a temperature sensor for detecting the temperature in the reaction tank are arranged on the reaction tank; carrier gas control means for supplying carrier gas into the reaction tank; and the detection device is used for detecting the hydrogen generated in the reaction tank. The reaction tank is heated by the heating device and the temperature sensor, the reaction temperature is monitored and controlled, so that silicon-based materials in the reaction tank are subjected to chemical reaction to generate hydrogen, and the generated hydrogen and carrier gas are conveyed to the detection device through the gas outlet pipeline and are used for detecting the rate and the hydrogen content of the generated hydrogen. The more complete the carbon coating of the silicon-based material is, the slower the generation rate of hydrogen in the reaction tank is, and the lower the hydrogen content at the outlet of the reaction tank is, so that the integrity of the carbon coating is represented by the hydrogen content in the mixed gas at the outlet. Compared with the prior art, the method does not need high-temperature sintering, has simple testing flow, easy operation and high safety, and can simply and conveniently represent the integrity of the carbon coating.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a carbon-coated integrity test apparatus according to the present utility model;
FIG. 2 is a schematic structural diagram of a reaction tank according to the present utility model;
FIG. 3 is a cross-sectional view of a reaction tank provided by the present utility model;
FIG. 4 is a schematic diagram of a data image according to the present utility model;
fig. 5 is a schematic diagram of another data image according to the present utility model.
As will be readily appreciated by those skilled in the art: the drawings are for illustrative purposes only and are not intended to limit the scope of the present utility model. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. Further, the reference numerals have the following meanings:
1. A reaction tank; 11. a tank body; 12. a seal ring; 13. a can lid; 131. a temperature sensor socket is arranged; 132. a lower temperature sensor socket; 133. an air inlet socket; 134. an air outlet jack; 14. a quick card clamp; 2. a heating device; 21. a magnetic stirrer; 211. a heating plate; 212. a numerical control display panel; 213. a temperature/time adjustment knob; 214. a stirring rate adjustment knob; 22. a temperature controller; 221. a temperature control meter; 222. a heating rod interface; 223. a thermocouple interface; 23. a heating jacket; 3. a carrier gas control device; 31. a gas flow meter; 32. a flow controller; 33. a gas carrying cylinder; 4. a detection device; 41. a hydrogen sensor; 42. an electrochemical workstation; 43. and testing the terminal.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
First embodiment.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a carbon-coated integrity testing apparatus according to the present utility model. The carbon-coated integrity test apparatus includes:
a reaction tank 1 for placing silicon-based materials and reaction liquid, wherein an air outlet jack 134, an air inlet jack 133 and a temperature sensor for detecting the temperature in the reaction tank 1 are arranged on the reaction tank 1;
a carrier gas control device 3 for supplying carrier gas into the reaction tank 1;
And a detection device 4 for detecting hydrogen gas generated in the reaction tank 1.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a reaction tank according to the present utility model. In fig. 2, an air outlet jack 134 and an air inlet jack 133 are shown, and the carrier gas control device 3 is connected with the air inlet jack 133 through an air inlet pipeline; the detection device 4 is connected with the air outlet socket 134 through an air outlet pipeline; a heating device 2 is provided in the reaction tank 1.
Specifically, the carrier gas control device 3 supplies a carrier gas, which may be an inert gas such as argon, into the reaction tank 1 through the gas inlet line.
The reaction tank 1 is heated by the heating device 2 and the temperature sensor, and the reaction temperature is monitored and controlled so that the silicon-based material in the reaction tank 1 undergoes a chemical reaction, and the chemical reaction generates hydrogen. The hydrogen and carrier gas are delivered to the detection device 4 through the gas outlet pipe, and the detection device 4 can detect the rate of hydrogen generation and the hydrogen content. The more complete the carbon coating of the silicon-based material, the slower the rate of hydrogen generation and the lower the hydrogen content, so the integrity of the carbon coating of the silicon-based material can be characterized by detecting the rate of hydrogen generation and the hydrogen content.
Compared with the prior art, the method does not need high-temperature sintering, has the advantages of simple whole testing flow, easy operation and high safety, and can simply and conveniently characterize the integrity of the silicon-based material for carbon coating.
Second embodiment.
The reaction tank 1 comprises a tank body 11 and a tank cover 13, wherein an air outlet jack 134, an air inlet jack 133 and a temperature sensor jack for installing a temperature sensor are arranged on the tank cover 13. A sealing ring 12 is arranged between the tank body 11 and the tank cover 13, and a quick card clamp 14 is arranged on the tank cover 13.
Specifically, referring to fig. 2 and 3, fig. 3 is a cross-sectional view of a reaction tank according to the present utility model. The tank 11 is cylindrical, and is internally used for placing silicon-based materials and reaction liquid. The tank cover 13 is provided with an air outlet jack 134, an air inlet jack 133, an upper temperature sensor jack 131 and a lower temperature sensor jack 132. A sealing ring 12 is arranged between the tank body 11 and the tank cover 13, and a quick clamping clamp 14 on the tank cover 13 clamps and seals the tank body 11, the tank cover 13 and the sealing ring 12, so as to provide a closed environment for chemical reaction in the reaction tank 1.
Third embodiment.
On the basis of the first embodiment, at least two temperature sensors for detecting the temperature in the reaction tank 1 are provided, including a gas temperature sensor for detecting the temperature of the gas in the reaction tank 1 and a liquid temperature sensor for detecting the temperature of the reaction liquid in the reaction tank 1.
Specifically, in fig. 3, the lower temperature sensor socket 132 is connected to the liquid surface of the reaction liquid, and the liquid temperature sensor is connected to the lower temperature sensor socket 132, whereby the liquid temperature sensor can detect the temperature of the reaction liquid in the reaction tank 1. The upper temperature sensor socket 131 is not connected to the reaction liquid, and the gas temperature sensor is connected to the upper temperature sensor socket 131, whereby the gas temperature sensor can detect the gas temperature in the reaction tank 1. And meanwhile, the gas temperature and the liquid temperature in the reaction tank 1 are obtained, so that workers can control the chemical reaction in the reaction tank 1, and the normal operation of the chemical reaction is ensured.
Fourth embodiment.
The heating device 2 comprises a magnetic stirrer 21 contacted with the bottom of the reaction tank 1, a temperature controller 22 and a heating sleeve 23 wrapped on the outer wall of the reaction tank 1. Wherein, the temperature controller 22 is connected with the heating jacket 23.
Specifically, the magnetic stirrer 21 heats the silicon-based material and the reaction liquid from the bottom of the reaction tank 1, and the heating jacket 23 heats the silicon-based material and the reaction liquid from the outer wall of the reaction tank 1, so that the silicon-based material and the reaction liquid can be uniformly heated to ensure the normal performance of the chemical reaction.
In addition, since the temperature controller 22 is connected to the heating jacket 23, the heating temperature of the heating jacket can be controlled by the temperature controller 22. In summary, the bottom temperature of the reaction tank 1 can be controlled by a worker through the magnetic stirrer 21, and the outer wall temperature of the reaction tank 1 can be controlled through the temperature controller 22, that is, the reaction temperature in the reaction tank 1 can be conveniently controlled by the heating device 2.
Fifth embodiment.
On the basis of the fourth embodiment, the magnetic stirrer 21 includes a heating plate 211, a numerical control display panel 212, a temperature/time adjustment knob 213, and a stirring rate adjustment knob 214; wherein the heating plate 211 is in contact with the bottom of the reaction tank 1.
Specifically, the heating plate 211 in the magnetic stirrer 21 is used to heat the bottom of the reaction tank 1. The temperature/time adjusting knob 213 is used to control the heating temperature and heating time of the heating plate 211, the stirring rate adjusting knob 214 is used to control the rate of reaction stirring, and the numerical control display panel 212 is used to display the current heating plate temperature. Therefore, the bottom of the reaction tank 1 can be heated by a worker through the mode of the adjusting knob, and the whole flow operation is very convenient.
Sixth embodiment.
On the basis of the fourth embodiment, the temperature controller 22 includes a temperature control meter 221, a heating rod interface 222, and a thermocouple interface 223; wherein, the heating rod interface 222 is connected with the heating jacket 23, and the thermocouple interface 223 is connected with the temperature sensor.
Specifically, since the thermocouple interface 223 is connected to the temperature sensor, the temperature inside the reaction tank 1 can be obtained by the temperature controller 22. If the temperature sensor includes a gas temperature sensor and a liquid temperature sensor, the temperature controller 22 includes 2 thermocouple interfaces 223, which are connected to the gas temperature sensor and the liquid temperature sensor, respectively, so that the liquid temperature and the gas temperature in the reaction tank 1 can be obtained by the temperature controller 22.
The temperature control meter 221 is used for controlling the heating temperature of the heating jacket 23 and for displaying the current temperature in the reaction tank 1 and the current temperature of the heating jacket. The staff can heat the outer wall of the reaction tank 1 through the mode of the adjusting knob, and the operation is very convenient.
Seventh embodiment.
The carrier gas control device 3 includes a gas flow meter 31, a flow controller 32, and a carrier gas cylinder 33. Wherein, gas flowmeter 31 is connected with gas bottle 33 and inlet socket 133 through the inlet line, and gas flowmeter 31 is connected with flow controller 32, and flow controller 32 is connected with detection device 4.
Specifically, the gas flow meter 31 is used for monitoring the flow rate of the carrier gas delivered to the reaction tank 1, the detection device 4 can control the flow rate of the carrier gas through the flow controller 32, when the flow rate of the carrier gas is higher, the flow controller 32 can be controlled by a worker to reduce the flow rate of the carrier gas, when the flow rate of the carrier gas is lower, the flow controller 32 can be controlled by the worker to improve the flow rate of the carrier gas, so that the flow rate of the carrier gas is always in a normal range, and further, the chemical reaction in the reaction tank 1 is ensured to be stable.
Eighth embodiment.
On the basis of the seventh embodiment, the detection device 4 includes a hydrogen sensor 41, an electrochemical workstation 42, and a test terminal 43. The hydrogen sensor 41 is connected with the outlet socket 134 and the tail gas pipe through the outlet pipe, the electrochemical workstation 42 is connected with the hydrogen sensor 41 through the electrode, the test terminal 43 is connected with the electrochemical workstation 42 and the flow controller 32, namely the flow controller 32 can be controlled through the test terminal 43, and the flow rate of the carrier gas is controlled.
Specifically, the hydrogen and carrier gas in the reaction tank 1 are detected by the hydrogen sensor 41 through the gas outlet pipe, and then discharged from the off-gas pipe. The electrochemical workstation 42 can obtain the detection result of the hydrogen sensor 41, and finally the detected generation rate and content of the hydrogen can be visually displayed to a worker through a data image by the test terminal 43, and then the worker can analyze the integrity of the carbon coating according to the generation rate and content of the hydrogen.
The test flow of the carbon-coated integrity test apparatus is described below in connection with the various embodiments described above.
First, a silicon-based material and a reaction liquid are put into a reaction tank 1, and a tank body 11 and a tank cover 13 are sealed by a quick card clip 14.
The worker controls the flow controller 32 through the test terminal 43 so that the carrier gas in the carrier gas bottle 33 is fed into the reaction tank 1 through the gas inlet pipe. The temperature controller 22, the temperature/time adjusting knob 213 and the stirring speed adjusting knob 214 are properly adjusted by a worker, the reaction temperature in the reaction tank is controlled to be 50-90 ℃, and the heating time is controlled to be 0.5-5 h, so that the chemical reaction occurs in the reaction tank 1.
In the process of testing, the worker should obtain the flow rate of the carrier gas through the gas flowmeter 31, when the flow rate of the carrier gas is high, the worker can control the flow controller 32 to reduce the flow rate of the carrier gas, and when the flow rate of the carrier gas is low, the worker can control the flow controller 32 to improve the flow rate of the carrier gas, so that the flow rate of the carrier gas is controlled within the range of 50 sccm-500 sccm.
The carrier gas in the reaction tank 1 and the hydrogen gas generated by the reaction are detected by the hydrogen sensor 41 through the gas outlet pipe, and the electrochemical workstation 42 can obtain the detection result of the hydrogen sensor 41. The test terminal 43 can intuitively display the detected generation rate and content of the hydrogen to a worker through a data image, and then the worker can analyze the integrity of the carbon coating of the silicon-based material according to the generation rate and content of the hydrogen.
For example, data images obtained by testing a carbon-coated (3.0%) silicon-based material and a carbon-coated (1.5%) silicon-based material using the above-described test apparatus are shown in fig. 4 and 5, and data obtained by the test are shown in table 1.
Table 1: based on a data table obtained by the carbon-coated integrity test equipment.
Wherein S 1 in table 1 is the peak area of the carbon-coated silicon-based material in the data image, S 2 is the peak area of the carbon-free coated silicon-based material for comparison in the data image, S 3 is the peak area of the pure carbon material in the data image, m 1 is the mass of the carbon-coated silicon-based material, m 2 is the mass of the carbon-free coated silicon-based material for comparison, m 3 is the mass of the pure carbon material, I 1 is the current value corresponding to the carbon-coated silicon-based material in the data image, I 2 is the current value corresponding to the pure carbon-free coated silicon-based material for comparison in the data image, I 3 is the current value corresponding to the pure carbon material in the data image; wherein, the current value generated by the hydrogen sensor is positively correlated with the generation amount of hydrogen. C represents the integrity of the carbon coating of the silicon-based material obtained with the test equipment
As can be seen from table 1: the carbon coating integrity of the carbon-coated (3.0%) silicon-based material sample 1 is 94.98%, the carbon coating integrity of the carbon-coated (1.5%) silicon-based material sample 2 is 93.32%, and the test analysis result accords with the characteristics of the sample, namely, the accuracy of the carbon coating integrity test by using the carbon coating integrity test equipment provided by the utility model is higher.
The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather is merely illustrative of the present utility model, and all such modifications, equivalents and variations as may be made in accordance with the principles of the present utility model are intended to fall within the scope of the present utility model.
Claims (10)
1. A carbon-coated integrity test apparatus, comprising:
A reaction tank (1) for placing silicon-based materials and reaction liquid, wherein an air outlet jack (134), an air inlet jack (133) and a temperature sensor for detecting the temperature in the reaction tank (1) are arranged on the reaction tank (1);
a carrier gas control device (3) for supplying carrier gas into the reaction tank (1);
A detection device (4) for detecting hydrogen gas generated in the reaction tank (1); wherein:
The carrier gas control device (3) is connected with the air inlet socket (133) through an air inlet pipeline; the detection device (4) is connected with the air outlet socket (134) through an air outlet pipeline; a heating device (2) is arranged on the reaction tank (1).
2. The carbon-coated integrity test apparatus of claim 1, wherein the reaction tank (1) comprises a tank body (11) and a tank cover (13), and an air outlet socket (134), an air inlet socket (133) and a temperature sensor socket for installing a temperature sensor are formed in the tank cover (13).
3. The carbon-coated integrity test apparatus of claim 2, wherein a sealing ring (12) is disposed between the can body (11) and the can lid (13), and a quick card clip (14) is disposed on the can lid (13).
4. The carbon overcoat integrity test apparatus of claim 1, wherein there are at least two of the temperature sensors, a gas temperature sensor for detecting a gas temperature in the reaction tank (1), and a liquid temperature sensor for detecting a reaction liquid temperature in the reaction tank (1).
5. The carbon coating integrity test apparatus of claim 1, wherein the heating device (2) comprises a magnetic stirrer (21) in contact with the bottom of the reaction tank (1), a temperature controller (22) and a heating jacket (23) wrapped on the outer wall of the reaction tank (1); wherein the temperature controller (22) is connected with the heating sleeve (23).
6. The carbon overcoat integrity test apparatus of claim 5, wherein the magnetic stirrer (21) comprises a heating plate (211), a digitally controlled display panel (212), a temperature/time adjustment knob (213), a stirring rate adjustment knob (214); wherein the heating plate (211) is in contact with the bottom of the reaction tank (1).
7. The carbon overcoat integrity test apparatus of claim 5, wherein the temperature controller (22) comprises a temperature control meter (221), a heating rod interface (222), and a thermocouple interface (223); wherein the heating rod interface (222) is connected with the heating sleeve (23), and the thermocouple interface (223) is connected with the temperature sensor.
8. The carbon overcoat integrity test apparatus of claim 1, wherein the carrier gas control device (3) comprises a gas flow meter (31), a flow controller (32), and a carrier gas bottle (33); the gas flow meter (31) is connected with the carrier gas bottle (33) and the gas inlet socket (133) through a gas inlet pipeline, the gas flow meter (31) is connected with the flow controller (32), and the flow controller (32) is connected with the detection device (4).
9. The carbon-coated integrity test apparatus of claim 8, wherein the detection device (4) comprises a hydrogen sensor (41), an electrochemical workstation (42), a test terminal (43); the hydrogen sensor (41) is connected with the gas outlet socket (134) and the tail gas pipe through a gas outlet pipeline, the electrochemical workstation (42) is connected with the hydrogen sensor (41) through an electrode, and the test terminal (43) is connected with the electrochemical workstation (42) and the flow controller (32).
10. The carbon overcoat integrity test apparatus of claim 9, wherein the carrier gas is an inert gas.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238814U true CN221238814U (en) | 2024-06-28 |
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