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CN-122025216-A - Graphene/carbon nanotube based composite bionic structural material and application thereof in constant-humidity machine electricity generating device

CN122025216ACN 122025216 ACN122025216 ACN 122025216ACN-122025216-A

Abstract

The invention provides a graphene/carbon nano tube based composite bionic structure material and application thereof in a constant humidity machine power generation device, and particularly provides a composite material which comprises graphene and carbon nano tubes covered on the surface of a matrix, wherein the composite material is externally added with an electrode material to generate electric energy. And then the electricity generating device is prepared in batches, and the wet film of the constant humidity machine is replaced by utilizing the characteristic that the electricity generating device can generate electricity after being wetted, so that the function of generating electricity while regulating and controlling humidity is realized.

Inventors

  • LI ZHEN
  • CHEN LIANG
  • Ran Haojiang
  • Xu Tiexiao
  • YUAN KANG
  • Zhai Zekun

Assignees

  • 清华大学

Dates

Publication Date
20260512
Application Date
20260112

Claims (10)

  1. 1. A composite material is characterized by comprising graphene and carbon nanotubes which are covered on the surface of a matrix.
  2. 2. The composite material of claim 1, wherein the mass ratio of graphene to carbon nanotubes is 1:1; Optionally, the graphene and the carbon nanotubes are covered on the surface of the matrix by immersing the matrix in a solution of a graphene and carbon nanotube composite; optionally, the concentration of the solution is 1%; Optionally, the solvent of the solution is water.
  3. 3. The composite of claim 1, wherein the matrix is a porous fibrous body; Optionally, the porous fibrous body has a structure like a tree root; Optionally, the porous fibrous body has a structure as shown in fig. 2.
  4. 4. A method of making the composite of any one of claims 1-3, comprising: 1) Preparing a solution of graphene and carbon nanotube composite material; 2) Soaking a matrix in the solution to obtain a soaked matrix; 3) And drying the soaked matrix to obtain the composite material.
  5. 5. The method of claim 4, wherein the concentration of the solution is 1%; Optionally, the solvent of the solution is water. Optionally, the mass ratio of the graphene to the carbon nanotubes is 1:1; Optionally, the soaking is soaking for 30 minutes at a temperature of 25 ℃; Optionally, the drying treatment is vacuum drying; Optionally, the drying treatment is performed under 80 ℃ drying in a vacuum drying oven for 60 minutes; Optionally, the matrix is a porous fibrous body; Optionally, the porous fibrous body has a structure like a tree root; optionally, the porous fibrous body has a structure as shown in fig. 2; optionally, the average mass of each porous fibrous body is 14.70g; Optionally, the average mass of each porous fibrous body after the drying treatment is 21.23g.
  6. 6. An electricity generating device comprising the composite material of any one of claims 1-3 or a composite material prepared according to the method of claim 4 or 5.
  7. 7. The electricity generating device according to claim 6, wherein copper sheets are added at two ends of the composite material to serve as electrodes, and the electricity generating device is obtained; optionally, the width of the copper sheet is 2 cm; Optionally, the power generating device has a structural dimension of 8 cm long and 5 cm wide in natural state.
  8. 8. A constant humidity machine electricity generating apparatus comprising one or more electricity generating devices as claimed in claim 6 or claim 7.
  9. 9. Use of the power generating device of claim 6 or 7 in a constant humidity machine power generating apparatus.
  10. 10. Use according to claim 9, characterized in that the electrical power generating device according to claim 6 or 7 is replaced by a wet film in a constant humidity machine power generating device; optionally, the replacement is performed by: A plurality of the electric generating devices according to claim 6 or 7 are connected together in parallel and in series to form a single face containing a plurality of the electric generating devices, and the two single faces are combined together to obtain a structure similar to a wet film so as to replace the wet film in the constant humidity machine electric generating device.

Description

Graphene/carbon nanotube based composite bionic structural material and application thereof in constant-humidity machine electricity generating device Technical Field The invention relates to the field of power generation, in particular to a graphene/carbon nano tube based composite bionic structural material and application thereof in a constant humidity machine power generation device. Background The prior art constant humidity machine electricity generating device is described below in terms of humidity treatment and electricity generation. In the aspect of humidity treatment, the mode adopted by the existing data center humidity treatment is different according to the data center conditions of different scales. The prior embodiments from the perspective of humidity adjustment technology mainly comprise three types, namely a first type of precise air conditioner which is directly processed by utilizing the temperature and humidity adjustment capability of the air conditioner, a second type of humidifying by a humidifier and then dehumidifying by a dehumidifier, wherein the mode is rare at present, and a third type of precise air conditioner which is processed by continuously separating humidity adjustment and temperature control and adopts a constant humidity machine to adjust the humidity. In the aspect of electricity generation, a novel water evaporation electricity generation technology is adopted in the prior art, and is also called a water-based electricity generation technology or a wet gas electricity generation technology. Mainly uses the characteristics of nano materials, and under the drive of water evaporation and capillary force, potential difference is induced at a solid-liquid interface, and current is generated after the connection of loops. For the water evaporation electricity generation technology, the main materials are carbon element related materials (graphene oxide, carbon nanotubes and the like), oxide materials (aluminum oxide, titanium oxide and the like), natural biological materials (plant cellulose, bacterial protein films and the like), and mixtures (blending of organic materials and inorganic materials and the like). Disclosure of Invention The inventor finds that the constant humidity machine electricity generating device in the prior art has the following problems in humidity treatment and electricity generation: In the aspect of humidity adjustment, the adjustment mode of the precise air conditioner is adopted, the adjustment capability is insufficient, and the consumption time is long. And a constant humidity machine is adopted, so that the regulation capability is strong, the regulation time is short, and the humidity requirement of a data center can be rapidly met. In the aspect of electricity generation, other materials have complex relative preparation process and high cost at present and are not applied to electricity generation in the aspect of humidity treatment. The bionic porous fiber body is taken as a matrix, the graphene and carbon nano tube composite material is directly coated on the matrix, then the devices are connected in series and parallel to replace a constant-humidity machine wet film, the preparation efficiency is high, the cost is low, and the application value of the novel water evaporation electricity generation technology is widened by combining the characteristics of the electricity generation device. The present invention is directed to solving at least one of the problems of the prior art. Based on the above, the invention provides a novel composite material, namely a graphene and carbon nano tube composite material, wherein after the graphene and the carbon nano tube material are compounded, the composite material is coated on a porous elastic fiber body of a bionic structural material, and after an electrode material is added, electric energy is generated. And then the electricity generating device is prepared in batches, and the wet film of the constant humidity machine is replaced by utilizing the characteristic that the electricity generating device can generate electricity after being wetted, so that the function of generating electricity while regulating and controlling humidity is realized. In addition, the constant humidity machine electricity generation device based on the graphene/carbon nano tube composite bionic structure material is used for regulating and controlling the humidity of a data center, and increasing or reducing the moisture through air entering and exiting the constant humidity machine, so that the environment humidity is regulated, and meanwhile, the electric energy can be generated by utilizing a humidifying process, so that the stable and reliable operation of the data center is ensured, and meanwhile, the electricity is generated by utilizing environment low-grade energy. In one aspect of the invention, a composite material is provided. According to an embodiment of the invention, the composite material compris