Patent ID: 9467088
Filing Date: 2016-10-11
CPC Classification: H01L,H02S,Y02E

Claim Text:
1. A power generator comprising; a heat-light conversion element for converting heat to infrared light and, a semiconductor power generation cell for converting the infrared light to electrical energy, wherein, the heat-light conversion element includes a material in which a reflectance is higher on a long wavelength side of a predetermined infrared wavelength, relative to the reflectance on a short wavelength side thereof, and the material is a graphite compound provided with a structure of asperities on a surface thereof and causes radiation of the infrared light upon heating, the structure of asperities on the surface of the graphite compound includes a first layer of asperities on an order of micrometers and a second layer of asperities on an order of nanometers, and the first layer is positioned on a surface of the graphite compound, and the second layer is positioned on a surface of the first layer.