3D Conic Device Promises Greater Efficiency for Solar Power

From theweek.in

China develops 3D conic device to increase solar-thermal conversion

Chinese scientists have developed a new device of 3D hollow-cone structure that can greatly increase the solar-thermal conversion efficiency.

The device, named ‘Artificial Transpiration’ by Zhu Jia and his team from the Nanjing University, is inspired by the transpiration process of trees, an article recently published online by the National Science Review, an English language journal affiliated to the Chinese Academy of Sciences, said.

It has a special 1D water path within it, which can reduce the energy loss in conduction, China’s state-run Xinhua news agency quoted the article as saying.

The cone structure, based on a graphene film, can collect more sunlight throughout the day when compared with a flat device, as about 10 per cent to 50 per cent of sunlight is diffusive. Thus it performs even better in the real world than in the laboratory, it said.


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