公开(公告)号：US20150040980A1

公开(公告)日：2015-02-12

申请号：US14467072

申请日：2014-08-25

Applicant: Technion Research and Development Foundation LTD.

Inventor： Levi SCHACHTER

IPC: H01L31/055 ,  G02F2/02

CPC classification number: H01L31/055 ,  G02F2/02 ,  H01L31/02167 ,  H01L31/054 ,  H02S10/30 ,  Y02E10/52

Abstract: A spectrum manipulation device and method for increasing an energy conversion efficiency of a photovoltaic cell arrangement, the device including: (a) a black body adapted to absorb an input electromagnetic energy having an input energy flux spectrum, and to emit a first output electromagnetic energy having a different, output energy flux spectrum; (b) a transparent cover, adapted to thermally insulate the black body from an ambient environment, and to receive light and direct the light towards the black body; (c) an optical device, facing the black body, and adapted to: (i) receive the first output energy and emit a second output electromagnetic energy having a narrow, modified energy flux spectrum, with respect to the output energy flux spectrum, and (ii) recycle some of the first output electromagnetic energy to the black body; (d) a photovoltaic cell having a photon absorption surface, disposed to be in optical communication with the optical device, and (e) a housing containing the black body and the optical device, and adapted to thermally insulate the black body and to fix a position of the black body with respect to the optical device, the optical device further adapted to direct the second output energy towards the photon absorption surface.

Abstract translation: 一种用于提高光伏电池装置的能量转换效率的光谱操纵装置和方法，该装置包括：（a）适于吸收具有输入能量通量光谱的输入电磁能的黑体，并且发射第一输出电磁能 具有不同的输出能量通量谱; （b）透明盖，适于使黑体与周围环境绝热，并且接收光并将光引向黑体; （c）面向黑体的光学装置，并且适于：（i）接收第一输出能量并发射相对于输出能量通量光谱具有窄的经修改的能量通量谱的第二输出电磁能;以及 （ii）将一些第一输出电磁能量再循环到黑体; （d）具有光子吸收表面的光电池，设置成与光学器件光学连通;以及（e）包含黑体和光学器件的壳体，并且适于使黑体热绝缘并固定 黑体相对于光学装置的位置，光学装置还适于将第二输出能量引向光子吸收表面。