Water Immersion Cooling of PV Cells in a High Concentration System
Temperature control of solar cells at high concentrations is a key issue. Short-term efficiency drop and long-term degradation should be avoided by effective cooling methods. Liquid immersion cooling eliminates the contact thermal resistance of back cooling and should improve cell performance. A 250X dish concentrator with two-axis tracking was utilized to evaluate a new CPV system using de-ionized water for immersion cooling. Time-dependent temperature distributions of the PV module of high power back point-contact cells were measured, as well as the I–V curves. The cooling capacities of the liquid immersion approach are very favorable. The module temperature can be cooled to 45 °C at a 940 W/m2 direct normal irradiance, 17 °C ambient temperature and 30 °C water inlet temperature. The temperature distribution of the module is quite uniform, but the electrical performance of the cell module degrades after a fairly long time immersion in the de-ionized water.
BPC solar cell; Concentrator photovoltaic; De-ionized water; Dish system; Liquid immersion cooling; Photovoltaic cells – Cooling; Photovoltaic power systems; Water immersion
Energy Systems | Mechanical Engineering | Oil, Gas, and Energy | Sustainability
Use Find in Your Library, contact the author, or interlibrary loan to garner a copy of the item. Publisher policy does not allow archiving the final published version. If a post-print (author's peer-reviewed manuscript) is allowed and available, or publisher policy changes, the item will be deposited.
Boehm, R. F.,
Halford, C. K.,
Water Immersion Cooling of PV Cells in a High Concentration System.
Solar Energy Materials and Solar Cells, 95(2),