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ARPA-E Projects

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Tulane University
Program: 
Project Term: 
08/01/2014 to 09/30/2018
Project Status: 
ALUMNI
Project State: 
Louisiana
Technical Categories: 

Tulane University and its partners are developing a hybrid solar energy system capable of capturing, storing, and dispatching solar energy. The system will collect sunlight using a dual-axis tracker with concentrator dish that focuses sunlight onto a hybrid solar energy receiver. Ultraviolet and visible light is collected in very high efficiency solar cells with approximately half of this part of the spectrum converted to electricity. The infrared part of the spectrum passes through the cells and is captured by a thermal receiver that converts this part of the spectrum into heat with nearly 95% efficiency. The heat is captured by a fluid that is heated to a temperature between 100 - 590°C. This heat energy can be immediately for a variety of commercial and industrial applications that require thermal energy or the heat may be stored in a small-scale thermal energy storage bank that stores energy for conversion to electricity by a heat engine when needed most. Tulane University's system will enable efficient use of the full solar spectrum while storing a large component of sunlight as heat for industrial processes or conversion into electricity at any time of day.