Biomimetic Daytime Radiative Cooling Technology: Prospects and Challenges for Practical Application
Jiale Wang, Haiyang Chen, Xiaxiao Tian, Dongxiao Hu, Yufan Liu, Jiayue Li, Ke Zhang, Hongliang Huang, Jie Yan, Bin Li
TL;DR
This paper reviews biomimetic approaches to improve daytime radiative cooling technology by learning from nature's designs and addressing challenges in scalability and performance.
Contribution
The paper systematically reviews biomimetic strategies for radiative cooling, highlighting their mechanisms and application potential while identifying key challenges.
Findings
Structural biomimicry offers excellent optical performance but is limited by complex fabrication and high costs.
Material-based biomimicry is scalable but lacks mechanical durability.
Adaptive biomimicry enables intelligent regulation but struggles with system complexity and integration.
Abstract
Biomimetic structures inspired by evolutionary optimized biological systems offer promising solutions to overcome current limitations in passive daytime radiative cooling (PDRC) technology, which efficiently scatters solar radiation through atmospheric windows and radiates surface heat into space without additional energy consumption. While structural biomimicry provides excellent optical performance and feasibility, its complex manufacturing and high costs limit scalability due to micro–nano fabrication constraints. Material-based biomimicry, utilizing environmentally friendly and abundant raw materials, offers greater scalability but requires improvements in mechanical durability. Adaptive biomimicry enables intelligent regulation with high responsiveness but faces challenges in system complexity, stability, and large-scale integration. These biologically derived strategies provide…
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Taxonomy
TopicsThermal Radiation and Cooling Technologies · Urban Heat Island Mitigation · Building Energy and Comfort Optimization