Abstract:We presented a family of new 3D concentrators. Simulations showed they could significantly increase the illumination on objective plane compared with 2D trough concentrators. A 3D concentrator prototype with a nominal 35° half acceptance angle was made. Its performance was tested under an indoor solar simulator and by on-site experiment. Under solar simulator, a low cost poly-silicon solar cell coupled with a 3D concentrator achieved a 2.25 times of maximum output power compared with a similar bare solar cell.… Show more
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