A 3D Photothermal Structure toward Improved Energy Efficiency in Solar Steam Generation
By Yusuf Shi, Renyuan Li, Yong Jin, Sifei Zhuo, Le Shi, Jian Chang, Seunghyun Hong, K. Ng, Peng Wang. Joule, 2018
632 citations recorded by the source corpus.
Summary The energy efficiency in solar steam generation by 2D photothermal materials has approached its limit. In this work, we fabricated 3D cylindrical cup-shaped structures of mixed metal oxide as solar evaporator, and the 3D structure led to a high energy efficiency close to 100% under one-sun illumination due to the capability of the cup wall to recover the diffuse reflectance and thermal radiation heat loss from the 2D cup bottom. Additional heat was gained from the ambient air when the 3D structure was exposed under one-sun illumination, leading to an extremely high steam generation rate of 2.04 kg m −2 h −1 . The 3D structure has a high thermal stability and shows great promise in practical applications including domestic wastewater volume reduction and seawater desalination. The results of this work inspire further research efforts to use 3D photothermal structures to break through the energy efficiency limit of 2D photothermal materials.
Subfields: Artificial Intelligence, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/cfa971b5da6e6f1bdabb9d2993d9830509b28b2b
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Citations in the corpus
- Over 10 kg m−2 h−1 Evaporation Rate Enabled by a 3D Interconnected Porous Carbon Foam (2020, background): “6 kg m 2 h (1)),(20,42) which can be attributed to the energy harvest from the environment (Figure S8).(20,24,43)”