Journal
NATURE ENERGY
Volume 1, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NENERGY.2016.126
Keywords
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Funding
- Masdar Institute of Science and Technology (Masdar Institute), Abu Dhabi, UAE [02/MI/MIT/CP/11/07633/GEN/ G/00]
- Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts, USA [02/MI/MIT/CP/11/07633/GEN/ G/00]
- MIT S3TEC Center, an Energy Frontier Research Center - Department of Energy, Office of Science, Basic Energy Sciences [DE-FG02-09ER46577]
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Harvesting solar energy as heat has many applications, such as power generation, residential water heating, desalination, distillation and wastewater treatment. However, the solar flux is diffuse, and often requires optical concentration, a costly component, to generate the high temperatures needed for some of these applications. Here we demonstrate a floating solar receiver capable of generating 100 degrees C steam under ambient air conditions without optical concentration. The high temperatures are achieved by using thermal concentration and heat localization, which reduce the convective, conductive and radiative heat losses. This demonstration of a low-cost and scalable solar vapour generator holds the promise of significantly expanding the application domain and reducing the cost of solar thermal systems.
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