Efficient photo-thermal conversion material with roll-like structure as well as preparation method and application thereof

A photothermal conversion and photothermal technology, applied in chemical instruments and methods, general water supply conservation, water/sludge/sewage treatment, etc., can solve problems such as difficulty in expansion and restriction, and achieve the effect of improving absorption and capture performance
CN110240213AActive Publication Date: 2019-09-17QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
Publication Date
2019-09-17

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Abstract

The invention belongs to the field of environmental energy application, and relates to an efficient photo-thermal conversion material and preparation thereof, and specifically relates to an efficient photo-thermal conversion material with a macroscopically controllable morphology roll-like structure as well as preparation method and application thereof. The photo-thermal material is a three-dimensional photo-thermal material obtained by modification and rolling. The photo-thermal conversion roll is composed of a base with a gap structure and a functional photo-thermal polymer, and has a macroscopic cone or cylinder hollow structure. The photo-thermal roll provided by the invention remarkably promotes the water evaporation efficiency.
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Description

technical field

[0001] The invention belongs to the field of environmental energy applications, and relates to a high-efficiency photothermal conversion material and its preparation, in particular to a high-efficiency photothermal conversion material with a roll-like structure with a macroscopically controllable morphology, its preparation method and application. Background technique

[0002] The light-driven water evaporation process has broad application prospects in the field of preparing clean fresh water, and is of great significance in alleviating the shortage of fresh water resources. However, under natural evaporation conditions, the utilization rate of light is low, and the actual evaporation rate is slow, which makes it difficult to meet the needs of large-scale freshwater production. Therefore, in real life, the preparation of clean fresh water based on light-driven evaporation is often used as an emergency measure in environments such as shipwreck, wild survival,...

Claims

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