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concentrator photovoltaics

Stretchable CPV module with 15.4% efficiency

Japanese scientists have fabricated a prototype CPV panel that could be applied on spherical surfaces with a curvature radius of 100 mm, and under outdoor one-sun irradiation. The module is based on a silicone concentrator lens, a thermoplastic polyurethane sheet, and a rigid III–V triple-junction solar cell.

CIGS cells for micro-concentrator PV devices

Scientists have developed a new micro CIGS cell by using an area-selective electro-deposition process as a material-saving technique. It has a conversion efficiency rate of 5.2% and a high open-circuit voltage.

Testing CPM-based passive cooling for CPV systems

An international research team has tested change material heat sinks for heat management on a concentrator photovoltaic system. It found that increasing over height ratios lowers the formation of stratified liquid layers, which in turn reduces the potential hot spots in the upper part of the solar cell.

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