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Photo-thermal conversion polymer solar energy absorbing material as well as preparation method and application thereof

A technology of solar energy absorption and photothermal conversion, applied in solar thermal energy, solar thermal power generation, solar thermal collectors, etc., to achieve the effects of low thermal conductivity, good thermal positioning performance, and excellent thermal positioning thermal insulation performance

Pending Publication Date: 2020-11-06
HUBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In practical applications, the long-term stability of solar evaporators when dealing with real water sources (such as sea water, river water, sewage, industrial polluted water, groundwater, rainwater, snow water) has always been a major challenge

Method used

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  • Photo-thermal conversion polymer solar energy absorbing material as well as preparation method and application thereof
  • Photo-thermal conversion polymer solar energy absorbing material as well as preparation method and application thereof
  • Photo-thermal conversion polymer solar energy absorbing material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Preparation of polymer solar absorbing materials for photothermal conversion

[0044] 1) Under ice-bath conditions, the natural latex foam is completely immersed in a 1% pyrrole solution for 2 hours.

[0045] 2) A solution of ammonium persulfate with a concentration of 0.16 g / mL was added dropwise to the beaker to initiate the polymerization of pyrrole in situ on the surface of the natural latex foam.

[0046] 3) After the reaction is completed, excess polypyrrole is removed with deionized water to obtain a photothermal conversion polymer solar energy absorbing material.

[0047] Confirmation of polypyrrole:

[0048] figure 2 SEM pictures showing photothermal conversion polymer solar absorbing materials;

[0049] image 3 The XPS picture showing the photothermal conversion polymer solar absorbing material, as shown in the figure, contains C, N, O, S four elements.

Embodiment 2

[0051] Using an electronic balance to monitor the mass loss of photothermal conversion polymer solar absorbing materials under light includes the following steps:

[0052] 1) Turn on the xenon light source and adjust the light intensity to 0.5 sun;

[0053] 2) placing the prepared photothermal conversion polymer solar absorbing material in a watch glass with water;

[0054] 3) Put the above-mentioned device on an electronic balance, and use a computer to record the mass loss of the photothermal conversion polymer solar energy absorbing material at 0.5 sun respectively, and obtain the following Figure 4 the result of;

Embodiment 3

[0056] By the test method of embodiment 1, just the light intensity of xenon light source is adjusted to 1sun, other conditions are constant, obtain as follows Figure 4 the results shown;

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Abstract

The invention belongs to the technical field of nano composite materials, and relates to a photo-thermal conversion polymer solar absorbing material as well as a preparation method and application thereof. The method comprises the following steps of: 1) obtaining a clean and dry natural latex foam material; and 2) soaking the natural latex foam in the step 1) in a pyrrole solution, dropwise addingan ammonium persulfate solution into the pyrrole solution under an ice bath condition, and carrying out full reaction until the solution and the natural latex foam become black, thereby obtaining thephoto-thermal conversion polymer solar absorbing material. The obtained absorbing material is placed in water, and solar water evaporation can be carried out under illumination.

Description

technical field [0001] The invention belongs to the technical field of nanocomposite materials, and in particular relates to a photothermal conversion polymer solar energy absorbing material and its preparation method and application. Background technique [0002] In the 21st century, problems such as energy crisis and environmental pollution are intensifying, and human beings urgently need to accelerate the development and utilization of clean and renewable resources. As a representative of this type of energy, solar energy has received widespread attention and enthusiastic support from all walks of life in the past few decades because of its nearly unlimited reserves and clean and non-polluting characteristics. However, despite this, solar energy only accounts for a small proportion of the energy used by humans at present. There is still huge room for development and research and development opportunities in developing new ways of utilizing solar energy, improving the eff...

Claims

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Application Information

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IPC IPC(8): C08J9/40C02F1/14F24S70/14C02F103/08C08L7/02
CPCC08J9/405C02F1/14F24S70/14C08J2307/02C08J2479/04C02F2103/08Y02E10/40Y02A20/142Y02A20/124Y02A20/212
Inventor 王贤保徐优郭珍珍梅涛李金华王建颖钱静雯余黎
Owner HUBEI UNIV
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