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CN-122000210-A - Porous graphene film drying and forming device for supercapacitor

CN122000210ACN 122000210 ACN122000210 ACN 122000210ACN-122000210-A

Abstract

The invention relates to the technical field of graphene film processing, in particular to a porous graphene film drying and forming device for a super capacitor, which comprises a box body, wherein two clamping plates for clamping a graphene film are arranged in the box body, and a vacuum pump for increasing the vacuum degree in the box body is fixed at the top of the box body; the inside of box has been seted up the cavity, the inside packing of cavity has water, the top of box is fixed with the water pump that drives the inside hydrologic cycle flow of cavity, the lateral wall internally mounted of box has the heater that heats water, the air current flows at the inside circulation of box, carry out heat exchange to the air that the air-supply line flows with the tuber pipe is gone out to the inside water of play tuber pipe through the inside water of cavity for the air temperature rising temperature that flows, thereby be favorable to carrying out even drying to the graphene film, the air current flows through from the both sides of graphene film, still be used for carrying out abundant contact with the graphene film and take away moisture and vapor on the graphene film.

Inventors

  • KANG JUN
  • CHU JIAWEI
  • LI NIAN
  • WANG ZHENYANG

Assignees

  • 安徽格兰科新材料技术有限公司

Dates

Publication Date
20260508
Application Date
20240202

Claims (10)

  1. 1. The porous graphene film drying and forming device for the super capacitor comprises a box body (1) and is characterized in that two clamping plates (3) for clamping a graphene film are arranged in the box body (1), and a vacuum pump (5) for increasing the vacuum degree in the box body (1) is fixed at the top of the box body (1); the water heater is characterized in that a cavity (4) is formed in the box body (1), water is filled in the cavity (4), a water pump (8) for driving the water in the cavity (4) to circularly flow is fixed at the top of the box body (1), and a heater (12) for heating the water is arranged in the side wall of the box body (1); The air circulation assembly is arranged on the box body (1) and used for driving air inside the box body (1) to circulate, so that the speed of transferring heat in water to the air is accelerated, and the circulating flow of the air is also used for maintaining the balance of the air temperature inside the box body (1).
  2. 2. The porous graphene film drying and film forming device for the supercapacitor according to claim 1, wherein a storage tank (6) is fixed on one side of the tank body (1), an air inlet pipe (16) is fixedly communicated with an air inlet end of the vacuum pump (5), one end of the air inlet pipe (16) away from the vacuum pump (5) penetrates through the side wall of the tank body (1) and is communicated with the inside of the tank body (1), an air outlet pipe (15) is fixed at an air outlet end of the vacuum pump (5), one end of the air outlet pipe (15) away from the vacuum pump (5) penetrates through the side wall of the storage tank (6) and is communicated with the inside of the storage tank (6), a communicating pipe (7) is fixedly communicated with the inner wall of the storage tank (6), and the other end of the communicating pipe (7) is communicated with the inside of the tank body (1).
  3. 3. The porous graphene film drying and forming device for the supercapacitor according to claim 1, wherein the airflow circulation assembly comprises an air pump (13), the air pump (13) is fixedly arranged at the top of the tank body (1), an air outlet pipe (11) is fixedly communicated with the air outlet end of the air pump (13), one end, far away from the air pump (13), of the air outlet pipe (11) penetrates through the top of the tank body (1) and enters the chamber (4), a plurality of air inlet holes are formed in the inner wall of the tank body (1), and the air inlet holes are fixedly communicated with the air outlet pipe (11) through pipelines; The air inlet end of the air pump (13) is fixedly communicated with an air inlet pipe (14), one end, far away from the air pump (13), of the air inlet pipe (14) penetrates through the top of the box body (1) and enters the inside of the cavity (4), a plurality of air outlet holes are formed in the inner wall of the box body (1), and the air outlet holes are fixedly communicated with the air inlet pipe (14) through pipelines.
  4. 4. The porous graphene film drying and film forming device for the supercapacitor according to claim 3, wherein the air inlet pipe (14) comprises a first pipeline and a second pipeline, an air outlet end of the first pipeline is fixedly communicated with a drying box (17), an air outlet end of the drying box (17) is fixedly communicated with the second pipeline, and an air outlet end of the second pipeline is fixedly communicated with the air pump (13); quicklime is contained in the drying box (17), the air outlet end of the first pipeline extends to the inside of the drying box (17) and is bent downwards, and the filter screen (18) is fixedly installed at the air outlet end of the first pipeline and the air outlet end of the drying box (17).
  5. 5. The porous graphene film drying and film forming device for the supercapacitor according to claim 1, wherein a cylinder (22) is fixedly installed in the box body (1), a sliding rod (23) is inserted in the cylinder (22) in a sliding mode, an installing plate (19) is fixed at the top of the sliding rod (23), and clamping plates (3) are symmetrically installed at two ends of the top of the installing plate (19).
  6. 6. The porous graphene film drying and forming device for the supercapacitor according to claim 5, wherein a hollow plate (20) is fixed at the top of the mounting plate (19), sliding plates (21) are inserted at two ends of the hollow plate (20) in a sliding manner, and one ends, away from each other, of the two sliding plates (21) are fixedly connected with corresponding clamping plates (3) respectively.
  7. 7. The porous graphene film drying and film forming device for the supercapacitor according to claim 6, wherein a mounting ring (24) is fixed inside the cylinder (22), a spring (25) is fixedly connected between the mounting ring (24) and the sliding rod (23), and a plurality of inclined plates (34) for guiding flow are fixed on the side walls of the two clamping plates (3).
  8. 8. The porous graphene film drying and film forming device for the supercapacitor according to claim 7, wherein a connecting pipe (26) is fixedly communicated with the side wall of the cylinder (22), one end of the connecting pipe (26) away from the cylinder (22) penetrates through the inner wall of the box body (1) and enters the chamber (4), and one end of the connecting pipe (26) located in the chamber (4) is fixedly communicated with the air outlet pipe (11); The inside of connecting pipe (26) is fixed with mounting bracket (27), rotates on mounting bracket (27) and is connected with dwang (28), and dwang (28) are located the inside one end of connecting pipe (26) and are fixed with flabellum (29), and dwang (28) are located the inside one end of drum (22) and are fixed with disc (30), and one side of disc (30) is connected with connecting rope (31) through the round pin post rotation, and the one end and the bottom fixed connection of slide bar (23) of disc (30) are kept away from to connecting rope (31).
  9. 9. The porous graphene film drying and film forming device for the supercapacitor according to claim 1, wherein a mounting groove is formed in the side wall of the box body (1), and a heater (12) is fixedly arranged in the mounting groove; the top of box (1) is fixed with water pump (8), and the play water end of water pump (8) is fixed to be linked together has outlet pipe (10), and the play water end of outlet pipe (10) runs through the top of box (1) and with cavity (4) fixed intercommunication, and the inlet end fixed intercommunication of water pump (8) has inlet tube (9), and the bottom intercommunication of inlet tube (9) and cavity (4) is advanced to the inlet end of inlet tube (9), and heater (12) cover is established in the outside of inlet tube (9).
  10. 10. The porous graphene film drying and film forming device for the supercapacitor according to claim 1, wherein a water storage tank (33) is formed in the inner bottom of the tank body (1), a valve is installed in the water storage tank (33), and an inclined top plate (32) is fixed at the inner top of the tank body (1).

Description

Porous graphene film drying and forming device for supercapacitor Technical Field The invention relates to the technical field of graphene film processing, in particular to a porous graphene film drying and forming device for a supercapacitor. Background Supercapacitors are an energy storage device, the electrode material of which is critical. The graphene film applied in the supercapacitor is mainly a film made of graphene. Graphene is a two-dimensional carbon-based material having extremely high electrical conductivity, thermal conductivity and mechanical strength, and is thus very suitable for use as an electrode material for supercapacitors. The patent with the publication number of CN210242292U discloses a drying device for a graphene film, which comprises a box body and is characterized in that a first roller is arranged in the box body, a second roller is arranged below the first roller, a third roller is arranged below the second roller, a fourth roller is arranged below the second roller, an air cylinder is arranged on the inner surface of a back plate of the box body, an adjusting plate is arranged below the air cylinder, and the air cylinder is connected with the adjusting plate through a piston rod. In order to prevent the graphene film from oxidation reaction due to high temperature in the drying process, a vacuum drying mode is adopted, the low pressure drop and the boiling point of low moisture are utilized, so that the graphene film can be quickly dried under the condition of low temperature, but in the heating process of a vacuum drying box, the air in the center of the box body can be relatively lagged behind the air temperature nearby the inner wall of the box body due to the lower heat conduction coefficient of the air, so that the temperature in the box body is uneven, a temperature gradient is generated on the graphene film, the graphene film is unevenly dried, stress is generated in the graphene film, bending and cracking occur, and the performance of the capacitor is reduced. Disclosure of Invention The invention aims to solve the defects that in the prior art, the heat conduction coefficient of air is low, the air in the center of a box body is relatively lagged to the air temperature near the inner wall of the box body, so that the temperature in the box body is uneven, a temperature gradient is generated on a graphene film, the graphene film is unevenly dried, stress is generated in the graphene film, bending and cracking occur, and the performance of a capacitor is reduced. In order to achieve the purpose, the technical scheme includes that the porous graphene film drying and film forming device for the super capacitor comprises a box body, wherein two clamping plates for clamping a graphene film are arranged in the box body, and a vacuum pump for increasing the vacuum degree in the box body is fixed at the top of the box body; The inside of the box body is provided with a cavity, water is filled in the cavity, the top of the box body is fixedly provided with a water pump for driving the water in the cavity to circularly flow, and the side wall of the box body is internally provided with a heater for heating the water; The air circulation assembly is arranged on the box body and used for driving air inside the box body to circulate, so that the speed of transferring heat in water to the air is accelerated, and the circulating flow of the air is also used for maintaining the balance of the air temperature inside the box body. In a further embodiment, one side of the box body is fixed with a storage box, the air inlet end of the vacuum pump is fixedly communicated with an air inlet pipe, one end of the air inlet pipe, which is far away from the vacuum pump, penetrates through the side wall of the box body and is communicated with the inside of the box body, the air outlet end of the vacuum pump is fixed with an air outlet pipe, one end of the air outlet pipe, which is far away from the vacuum pump, penetrates through the side wall of the storage box and is communicated with the inside of the storage box, a communicating pipe is fixedly communicated on the inner wall of the storage box, and the other end of the communicating pipe is communicated with the inside of the box body. In a further embodiment, the air flow circulation assembly comprises an air pump, the air pump is fixedly arranged at the top of the box body, an air outlet pipe is fixedly communicated with the air outlet end of the air pump, one end of the air outlet pipe, which is far away from the air pump, penetrates through the top of the box body and enters the inside of the cavity, a plurality of air inlet holes are formed in the inner wall of the box body, and the air inlet holes are fixedly communicated with the air outlet pipe through pipelines; the air inlet end of the air pump is fixedly communicated with an air inlet pipe, one end of the air inlet pipe, far away from the air pump, penetrates through the top of t