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Kumar Bera, Raj and Binyamin, Yaniv and Frantz, Cathy and Uhlig, Ralf and Magdassi, Shlomo and Mandler, Daniel (2020) Fabrication of Self-cleaning CNT-Based Near-Perfect Solar Absorber Coating for Non-Evacuated Concentration Solar Panels Applications. Energy Technology. Wiley. doi: 10.1002/ente.202000699. ISSN 2194-4288.
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Abstract
We demonstrated the broadband and near-perfect solar absorption of carbon nanotube (CNT) based black coating prepared by low-cost wet-deposition method on reflective metal surface for mid-temperature non-evacuated Concentrated Solar Power (CSP) application. The controlled density of CNTs in the ceramic matrix exhibits absorptance of 0.985 in the entire solar spectrum and emittance of 0.90 in IR region. The coating exhibits durable superhydrophilic property with 0° contact angle after plasma treatment without affecting the solar absorptance and excellent coating adhesion measured at 85-95% of the area. The efficiency of the coating was evaluated by analytical models and it reveals that the CNT-based coating shows higher efficiency at low temperature and at high concentration ratio than that of selective coatings.
| Item URL in elib: | https://elib.dlr.de/136604/ | |||||||||||||||||||||
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| Document Type: | Article | |||||||||||||||||||||
| Title: | Fabrication of Self-cleaning CNT-Based Near-Perfect Solar Absorber Coating for Non-Evacuated Concentration Solar Panels Applications | |||||||||||||||||||||
| Authors: |
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| Date: | 2020 | |||||||||||||||||||||
| Journal or Publication Title: | Energy Technology | |||||||||||||||||||||
| Refereed publication: | Yes | |||||||||||||||||||||
| Open Access: | Yes | |||||||||||||||||||||
| Gold Open Access: | No | |||||||||||||||||||||
| In SCOPUS: | Yes | |||||||||||||||||||||
| In ISI Web of Science: | Yes | |||||||||||||||||||||
| DOI: | 10.1002/ente.202000699 | |||||||||||||||||||||
| Publisher: | Wiley | |||||||||||||||||||||
| ISSN: | 2194-4288 | |||||||||||||||||||||
| Status: | Published | |||||||||||||||||||||
| Keywords: | absorptance, carbon nanotubes, concentrated solar power, solar absorber, coatings, solar-thermal coatings | |||||||||||||||||||||
| HGF - Research field: | Energy | |||||||||||||||||||||
| HGF - Program: | Renewable Energies | |||||||||||||||||||||
| HGF - Program Themes: | Concentrating Solar Thermal Technology | |||||||||||||||||||||
| DLR - Research area: | Energy | |||||||||||||||||||||
| DLR - Program: | E SW - Solar and Wind Energy | |||||||||||||||||||||
| DLR - Research theme (Project): | E - Advanced Heat Transfer Media (old) | |||||||||||||||||||||
| Location: | Stuttgart | |||||||||||||||||||||
| Institutes and Institutions: | Institute of Solar Research > Solar High Temperature Technologies | |||||||||||||||||||||
| Deposited By: | Uhlig, Tamara | |||||||||||||||||||||
| Deposited On: | 19 Oct 2020 10:25 | |||||||||||||||||||||
| Last Modified: | 21 Oct 2020 10:56 |
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