Graphene conductive paste storage device

Abstract

The utility model discloses a graphene conductive paste storage device which comprises a storage tank body, the storage tank body is of a cylindrical horizontal structure design, sealing end covers are fixedly installed at the two ends of the storage tank body, and a rotating motor is fixedly installed on the sealing end cover on one side through a fixing bolt. An output shaft of the rotating motor is inserted into the storage tank body and is fixedly connected with an inner rotating main shaft, a plurality of uniformly distributed anti-precipitation stirring rods are fixedly mounted on the outer wall of the inner rotating main shaft through welding, and a scraping plate is fixedly mounted among the top ends of the plurality of transversely horizontal anti-precipitation stirring rods; according to the graphene conductive paste storage tank, the situation that graphene conductive paste is stored for a long time and adheres to the inner wall of the tank body can be effectively avoided, the use effect of self-cleaning of the inner wall of the tank body is achieved, manual cleaning is not needed, the automatic cleaning effect is good, the structure is convenient to use, and maintenance is convenient and fast; the waste of the internal conductive paste material is effectively avoided, and the use performance is better.

Description

Technical Field

[0001] The utility model relates to the technical field of storage equipment, in particular to a graphene conductive slurry storage device. Background Art

[0002] Graphene is used as a conductive agent in lithium-ion batteries such as lithium iron phosphate, ternary materials, lithium manganese oxide, and lithium cobalt oxide. It can effectively improve the conductivity of positive electrode materials, improve the diffusion and transmission capacity of lithium ions, greatly improve the rapid charge and discharge and cycle performance of batteries, and improve the specific capacity and high-rate charge and discharge performance of lithium-ion batteries.

[0003] In particular, as a water-based graphene conductive slurry for preparing negative electrode sheets of lithium-ion batteries, compared with traditional conductive carbon black and carbon nanotubes, it has a lower percolation threshold and more stable conductivity, and a low dosage, which can improve the dispersion of the slurry, the uniformity, coverage, flatness and compactness of the negative electrode sheets, and can significantly improve the cycle performance, high rate performance and safety performance of the battery;

[0004] In the current prior art, when graphene conductive slurry is stored and placed in a closed storage tank for a long time, the conductive slurry easily adheres to the inner wall of the storage device, which is inconvenient to clean and remove. There is a certain amount of material waste and the conductive slurry remaining on the inner wall needs to be cleaned manually, which increases maintenance costs and labor costs. For this reason, the utility model proposes a graphene conductive slurry storage device that can scrape the inner wall. Utility Model Content

[0005] The purpose of the utility model is to provide a graphene conductive slurry storage device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a graphene conductive slurry storage device, comprising a storage tank body, the storage tank body is a cylindrical horizontal structure design, both ends of the storage tank body are fixedly installed with sealed end covers, a rotating motor is fixedly installed on the sealing end cover on one side by fixing bolts, the output shaft of the rotating motor is inserted into the storage tank body and fixedly connected with an inner rotating main shaft, a plurality of evenly distributed anti-sedimentation stirring rods are fixedly installed on the outer wall of the inner rotating main shaft by welding, a scraper plate is fixedly installed between the top ends of the plurality of horizontal anti-sedimentation stirring rods, and a triangular scraper is fixedly installed on the outer wall of each scraper plate.

[0007] Preferably, the top end of the triangular scraper contacts the inner wall of the storage tank.

[0008] Preferably, a grouting port is fixedly installed on one side of the upper surface of the storage tank body, and a grouting port is fixedly installed on the other side of the lower surface of the storage tank body.

[0009] Preferably, tank bases are fixedly mounted on both sides of the lower surface of the storage tank.

[0010] Preferably, the number of the scraper plates and the triangular scraper plates is the same, and the number of the scraper plates is not less than four.

[0011] Preferably, a reinforcement ring is sleeved on the outer surface of the storage tank body, and the reinforcement ring is fixedly connected to the storage tank body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can stir the graphene conductive paste inside by means of the anti-sedimentation stirring rod, effectively preventing the occurrence of sedimentation and adhesion during long-term storage, improving the storage quality of the graphene conductive paste during long-term storage, having a good use effect, and having a simple structure and being easy to use;

[0014] At the same time, the top of the triangular scraper can effectively scrape the inner wall of the storage tank, thereby effectively preventing the graphene conductive slurry from adhering to the inner wall of the tank during long-term storage. It has the effect of self-cleaning the inner wall of the tank, and does not require manual cleaning. The automatic cleaning effect is good, the structure is easy to use, and maintenance is convenient. It effectively avoids the waste of internal conductive slurry materials and has good performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external three-dimensional structure of the storage device according to an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom structure assembly of the storage tank body of an embodiment of the utility model when viewed from above;

[0017] Figure 3 This is a schematic diagram of the internal cross-sectional structure of a storage tank according to an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal stirring and anti-sedimentation structure of the storage tank according to an embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the right side plan structure of the storage tank body of an embodiment of the utility model.

[0020] In the figure: 1. Storage tank body; 2. Sealing end cover; 3. Rotating motor; 4. Internal rotating main shaft; 5. Anti-sedimentation stirring rod; 6. Scraper plate; 7. Triangular scraper; 8. Grouting port; 9. Slurry discharge port; 10. Tank base. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-5 The utility model provides an embodiment: a graphene conductive slurry storage device, including a storage tank body 1, the storage tank body 1 is a cylindrical hollow horizontal structure design, both ends of the storage tank body 1 are fixedly installed with sealing end covers 2, one side of the sealing end cover 2 is fixedly installed with a rotating motor 3 by fixing bolts, the output shaft of the rotating motor 3 is inserted into the storage tank body 1 and fixedly connected with an inner rotating main shaft 4, so that the inner rotating main shaft 4 can be driven by the set rotating motor 3 to rotate at high speed;

[0025] A number of uniformly distributed anti-precipitation stirring rods 5 are fixedly installed on the outer wall of the inner rotating main shaft 4 by welding. When the inner rotating main shaft 4 rotates at a high speed, it will drive the external anti-precipitation stirring rods 5 to rotate, so that the internal graphene conductive paste can be stirred by the anti-precipitation stirring rods 5, effectively preventing precipitation and adhesion during long-term storage, improving the storage quality of the graphene conductive paste during long-term storage, having a good use effect, and having a simple structure and being easy to use;

[0026] A scraper plate 6 is fixedly installed between the top ends of several horizontal anti-sedimentation stirring rods 5, and a triangular scraper plate 7 is fixedly installed on the outer wall of each scraper plate 6. The number of scraper plates 6 and triangular scraper plates 7 is the same, and the number of scraper plates 6 is not less than four.

[0027] Furthermore, in order to improve the scraping effect, the top end of the triangular scraper 7 contacts the inner wall of the storage tank 1 .

[0028] With this structural design, when the plurality of anti-sedimentation stirring rods 5 rotate driven by the rotating motor 3, the scraper plates 6 and the triangular scrapers 7 at the top thereof can perform synchronous rotational motion with the anti-sedimentation stirring rods 5, so that the inner wall of the storage tank 1 can be effectively scraped through the top of the triangular scraper 7, thereby effectively preventing the graphene conductive slurry from adhering to the inner wall of the tank after long-term storage, and having the effect of self-cleaning the inner wall of the tank, without the need for manual cleaning, and with good automatic cleaning effect. The structure is easy to use and maintain, and the waste of the conductive slurry material inside can be effectively avoided, thereby having good performance.

[0029] In this embodiment, a grouting port 8 is fixedly installed on one side of the upper surface of the storage tank body 1, and a grouting port 9 is fixedly installed on the other side of the lower surface of the storage tank body 1;

[0030] The conductive slurry to be stored can be injected through the provided grouting port 8, and the conductive slurry inside can be discharged through the provided grouting port 9.

[0031] In this embodiment, in order to stably support the bottom of the storage tank body 1, tank body bases 10 are fixedly installed on both sides of the lower surface of the storage tank body 1;

[0032] Furthermore, in order to improve the structural strength of the exterior of the storage tank body 1 , a reinforcement ring is sleeved on the outer surface of the storage tank body 1 , and the reinforcement ring is fixedly connected to the storage tank body 1 .

[0033] Working principle: When in use, the storage tank of the utility model is transported and placed in the working area, and the conductive slurry to be stored can be injected through the provided grouting port 8;

[0034] The utility model is provided with a rotating motor 3 installed at one end of the tank body, so that the rotating motor 3 can drive the inner rotating spindle 4 to rotate at a high speed. When the inner rotating spindle 4 rotates at a high speed, it can drive the external anti-precipitation stirring rod 5 to rotate, so that the internal graphene conductive paste can be stirred by the anti-precipitation stirring rod 5, effectively preventing precipitation and adhesion during long-term storage, improving the storage quality of the graphene conductive paste during long-term storage, having a good use effect, and having a simple structure and being easy to use.

[0035] At the same time, when the anti-sedimentation stirring rods 5 rotate driven by the rotating motor 3, the scraper plates 6 and the triangular scrapers 7 at the top thereof can rotate synchronously with the anti-sedimentation stirring rods 5, so that the inner wall of the storage tank 1 can be effectively scraped through the top of the triangular scraper 7, thereby effectively preventing the graphene conductive slurry from adhering to the inner wall of the tank during long-term storage, and having the effect of self-cleaning the inner wall of the tank, without the need for manual cleaning, with good automatic cleaning effect, easy-to-use structure, convenient maintenance, and effective avoidance of waste of internal conductive slurry materials, with good performance.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A graphene conductive slurry storage device, comprising a storage tank (1), characterized in that: The storage tank body (1) is a cylindrical horizontal structure design. Both ends of the storage tank body (1) are fixedly installed with sealing end covers (2). A rotating motor (3) is fixedly installed on the sealing end cover (2) on one side by fixing bolts. The output shaft of the rotating motor (3) is inserted into the storage tank body (1) and fixedly connected with an inner rotating main shaft (4). A plurality of uniformly distributed anti-sedimentation stirring rods (5) are fixedly installed on the outer wall of the inner rotating main shaft (4) by welding. A scraper plate (6) is fixedly installed between the top ends of the plurality of horizontal anti-sedimentation stirring rods (5). A triangular scraper plate (7) is fixedly installed on the outer wall of each scraper plate (6).

2. A graphene conductive slurry storage device according to claim 1, characterized in that: The top end of the triangular scraper (7) contacts the inner wall of the storage tank (1).

3. The graphene conductive slurry storage device according to claim 1, characterized in that: A grouting port (8) is fixedly mounted on one side of the upper surface of the storage tank body (1), and a grouting port (9) is fixedly mounted on the other side of the lower surface of the storage tank body (1).

4. The graphene conductive slurry storage device according to claim 1, characterized in that: Tank bases (10) are fixedly mounted on both sides of the lower surface of the storage tank (1).

5. The graphene conductive slurry storage device according to claim 1, characterized in that: The number of the scraper plates (6) and the number of the triangular scraper plates (7) are the same, and the number of the scraper plates (6) is not less than four.

6. The graphene conductive slurry storage device according to claim 1, characterized in that: The outer surface of the storage tank body (1) is sleeved with a reinforcement ring, which is fixedly connected to the storage tank body (1).

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