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Updated: May 28, 2026

Experimental System of Solar Adsorption Refrigeration with Concentrated Collector

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Published on: October 18, 2017

A bionic multi-interface evaporator for omnidirectional solar-driven reverse multistage desalination.

Wenzong Li^1,2, Lemin Zhang¹, Jiahui Chu¹

¹State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian 116024, P. R. China. yahualiu@dlut.edu.cn.

|May 26, 2026

Summary

This summary is machine-generated.

This study introduces a novel bionic evaporator for solar desalination, inspired by bamboo. The new design efficiently produces freshwater even under angled sunlight, overcoming limitations of current technologies.

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Area of Science:

Materials Science
Renewable Energy
Environmental Engineering

Background:

Solar-driven interfacial photothermal desalination offers a sustainable solution for freshwater scarcity.
Current reverse multistage designs face limitations due to their dependence on solar incident angle, restricting practical application.
There is a need for desalination systems that maintain efficiency across varying sunlight conditions.

Purpose of the Study:

To design and fabricate a bionic evaporator with multiple photothermal interfaces inspired by *Chimonobambusa quadrangularis*.
To reduce the sensitivity of reverse multistage desalination systems to the solar incident angle.
To enhance the practical deployability of solar desalination technologies.

Main Methods:

Fabrication of a bionic evaporator mimicking multidirectional light absorption.
Integration of the bionic evaporator into a reverse multistage desalination system.
Performance evaluation under one-sun illumination across various solar incident angles.

Main Results:

The multistage evaporator demonstrated significantly reduced sensitivity to solar incident angle.
An impressive evaporation rate of 4.55 kg m^-2 h^-1 was achieved.
A high solar-to-steam efficiency of 300% was recorded, even under horizontal irradiation.

Conclusions:

The bionic evaporator provides a practical strategy for efficient reverse multistage desalination.
This design overcomes a key barrier to the real-world deployment of solar desalination systems.
The study offers a pathway towards more robust and versatile solar water purification technologies.