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URN to cite this document: urn:nbn:de:bvb:703-epub-8556-9
Title data
Song, Qimeng ; Kubacki, Evelyn ; Berger, Alexander ; Retsch, Markus:
Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling.
In: Advanced Functional Material.
(2025)
.
- e13897.
ISSN 1616-301X
DOI der Verlagsversion: https://doi.org/10.1002/adfm.202513897
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Project information
| Project title: |
Project's official title Project's id GRK 2818: Optische Anregungen in organischen und anorganischen Halbleitern: Verstehen und Kontrollieren durch externe Stimuli 464648186 |
|---|---|
| Project financing: |
Deutsche Forschungsgemeinschaft |
Abstract
Increasingly frequent and severe heat waves pose a significant threat to human health, intensifying the demand for cooling solutions. Conventional air conditioning offers reliefbut escalates energy consumption and CO2 emissions, exacerbating global warming. Here, a passive daytime cooling composite made from kitchen-sourced materials, providing a zero-energy cooling technology accessible to everyone, is introduced. Composed ofstarch and finely ground eggshell powder, this eco-friendly composite demonstrates an average solar reflectance of0.91 and thermal emissivity of0.95. Applied to concrete, it achieves a temperature reduction ofapproximately 15 °C compared to uncoated concrete under 800 Wm−2 solar irradiation. With universally accessible ingredients and a simple fabrication process, this cooling composite provides a viable solution for households with limited infrastructure to tackle the growing threat ofheat waves.
Further data
| Item Type: | Article in a journal |
|---|---|
| Keywords: | Composites; thermal management; radiative cooling; eggshell waste upcycling; biogenic mate-rials |
| DDC Subjects: | 500 Science > 540 Chemistry |
| Institutions of the University: | Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry I - Kolloidale Strukturen und Energiematerialien > Chair Physical Chemistry I- Kolloidale Strukturen und Energiematerialien - Univ.-Prof. Dr. Markus Retsch Faculties Faculties > Faculty of Biology, Chemistry and Earth Sciences Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry I - Kolloidale Strukturen und Energiematerialien |
| Language: | English |
| Originates at UBT: | Yes |
| URN: | urn:nbn:de:bvb:703-epub-8556-9 |
| Date Deposited: | 12 Sep 2025 12:46 |
| Last Modified: | 12 Sep 2025 12:46 |
| URI: | https://epub.uni-bayreuth.de/id/eprint/8556 |
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