Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method and application of carbon nanotube/iron net photo-thermal material

A technology of carbon nanotubes and iron nets, which is applied in the field of photothermal material preparation, can solve the problems of poor cycle performance, complicated preparation methods, and low conversion efficiency, and achieve the effects of low cost, high water evaporation rate, and fast preparation speed

Pending Publication Date: 2021-12-31
HARBIN INST OF TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcomings of existing photothermal conversion materials such as complex preparation methods, low conversion efficiency and poor cycle performance, and to provide a preparation method and application of carbon nanotube / iron mesh photothermal materials

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method and application of carbon nanotube/iron net photo-thermal material
  • Preparation method and application of carbon nanotube/iron net photo-thermal material
  • Preparation method and application of carbon nanotube/iron net photo-thermal material

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0031] Specific embodiment 1: In this embodiment, a method for preparing a carbon nanotube / iron mesh photothermal material is completed according to the following steps:

[0032] 1. Iron mesh pretreatment:

[0033] Cut the iron mesh to obtain the cut iron mesh; immerse the cut iron mesh in concentrated hydrochloric acid for ultrasonication, take it out and then ultrasonically clean it in deionized water and absolute ethanol respectively, and finally dry it to obtain the pretreated iron net;

[0034] 2. Preparation of carbon nanotube / iron mesh photothermal material:

[0035] Cover the upper and lower surfaces of the pretreated iron grid with melamine, then place it in a tube furnace, and perform high-temperature treatment under the protection of a nitrogen atmosphere to obtain a carbon nanotube / iron grid photothermal material;

[0036] 3. Surface treatment:

[0037] After the carbon nanotube / iron mesh photothermal material is taken out of the tube furnace, the surface is tre...

specific Embodiment approach 2

[0038] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the specification of the iron mesh in step 1 is 80 mesh screen, and the diameter of the cut iron mesh is 2 cm. Other steps are the same as in the first embodiment.

specific Embodiment approach 3

[0039] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the concentration of concentrated hydrochloric acid described in step 1 is 1.5 mol / L-2 mol / L. Other steps are the same as those in Embodiment 1 or 2.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Surface temperatureaaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method and application of a carbon nanotube / iron net photo-thermal material, and relates to a preparation method and application of a photo-thermal material. The invention aims to overcome the defects of complex preparation method, low conversion efficiency and poor cycle performance of the a photo-thermal conversion material in the prior art. The method comprises the following steps: 1, iron net pretreatment; 2, preparing a carbon nanotube / iron net photo-thermal material; and 3, surface treatment. The carbon nanotube / iron net photo-thermal material is applied to a solar steam generation device as a photo-thermal conversion material and is used for evaporating water. When the illumination intensity is 1kW. M-2, the water evaporation rate of the carbon nanotube / iron net photo-thermal material prepared by the method can reach 1.77 kg.m-2.H-1. According to the preparation method, the carbon nanotube / iron net photo-thermal material can be obtained.

Description

technical field [0001] The invention relates to a preparation method and application of a photothermal material. Background technique [0002] Fresh water is the material basis for human survival, and solar energy is cheap, clean and renewable. Capture solar energy to heat and evaporate water at the water-air interface to obtain water vapor, thereby obtaining fresh water, which greatly improves the efficiency of light-to-heat conversion. Therefore, it is of great significance to prepare interfacial photothermal materials with excellent performance. However, the existing photothermal conversion materials have disadvantages such as complex preparation methods, low conversion efficiency and poor cycle performance. Contents of the invention [0003] The purpose of the present invention is to solve the shortcomings of existing photothermal conversion materials such as complicated preparation methods, low conversion efficiency and poor cycle performance, and provide a preparat...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): F24S70/10F22B1/00
CPCF24S70/10F22B1/006Y02E10/40
Inventor 姚忠平顾燕然徐云松姜兆华
Owner HARBIN INST OF TECH