Solar cell receiver subassembly with a heat shield for use in a concentrating solar system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-031/024
H01L-031/052
H01L-031/054
출원번호
US-0764657
(2010-04-21)
등록번호
US-9012771
(2015-04-21)
발명자
/ 주소
Nagyvary, John
Foresi, James
출원인 / 주소
Suncore Photovoltaics, Inc.
대리인 / 주소
Mueting, Raasch & Gebhardt P.A.
인용정보
피인용 횟수 :
0인용 특허 :
107
초록▼
Solar cell receiver subassemblies for use in a concentrating solar system that concentrates the solar energy onto a solar cell for converting solar energy to electricity. The subassemblies may include an optical element defining an optical channel and forming an optical path. The subassemblies may a
Solar cell receiver subassemblies for use in a concentrating solar system that concentrates the solar energy onto a solar cell for converting solar energy to electricity. The subassemblies may include an optical element defining an optical channel and forming an optical path. The subassemblies may also include a solar cell receiver comprising a support and a solar cell mounted on the support adjacent to the optical element and in the optical path of the optical channel. The solar cell may include one or more III-V compound semiconductor layers and may be capable of generating in excess of 20 watts of peak DC power. The subassemblies may also include a heat shield mounted over and peripherally adjacent to exterior sides of the optical element to cover and block concentrated light from reaching a surface of the support adjacent to the solar cell.
대표청구항▼
1. A solar cell receiver subassembly for use in a concentrating solar system that concentrates solar energy onto a solar cell for converting the solar energy to electricity, comprising: an optical device positioned along an optical path and including an enlarged entry aperture and a reduced exit ape
1. A solar cell receiver subassembly for use in a concentrating solar system that concentrates solar energy onto a solar cell for converting the solar energy to electricity, comprising: an optical device positioned along an optical path and including an enlarged entry aperture and a reduced exit aperture, wherein the enlarged entry aperture is larger than the reduced exit aperture;a concentrator positioned at the exit aperture along the optical path, the concentrator including at least one sloping side;a support positioned along the optical path and on an opposite side of the concentrator from the optical device, wherein the support defines an upper surface facing an upper direction and a lower metallized surface facing a lower direction, wherein the lower direction is opposite the upper direction;a solar cell mounted on the upper surface of the support and along the optical path, the solar cell comprising one or more III-V compound semiconductor layers, wherein the solar cell defines an upper surface facing the upper direction and the concentrator, a lower surface opposite the upper surface and facing the lower direction and the upper surface of the support, and at least one side surface extending between the lower surface and the upper surface, wherein the at least one side surface defines a periphery extending around the solar cell; anda ceramic heat shield mounted over the support, wherein all of the heat shield is located outside the periphery of the solar cell defined by the at least one side surface to protect the support from concentrated light,wherein the ceramic heat shield includes a tapered side that tapers away from the solar cell to expose the solar cell to the optical path and slopes in the same direction as the sloping side of the concentrator, wherein the tapered side of the heat shield and the sloping side of the concentrator are adjacent sides. 2. The solar cell receiver subassembly of claim 1, wherein the optical device includes a tapered shape that reduces in size from the entry aperture to the exit aperture, the optical device including reflective sidewalls that extend between the entry aperture and exit aperture. 3. The solar cell receiver subassembly of claim 1, wherein the heat shield is a fixed shape, wherein the heat shield defines a first side that faces the lower direction and is mounted to the upper surface of the support and a second side opposite the first side that faces away from the support and in the upper direction. 4. The solar cell receiver subassembly of claim 1, wherein the heat shield extends completely around the periphery of the solar cell. 5. The solar cell receiver subassembly of claim 1, further comprising a bypass diode attached to the upper surface of the support with the heat shield extending over the bypass diode. 6. The solar cell receiver subassembly of claim 1, wherein the heat shield is spaced away from the at least one side surface of the solar cell. 7. The solar cell receiver subassembly of claim 1, wherein the heat shield is mounted to the support with an adhesive. 8. A solar cell receiver subassembly for use in a concentrating solar system that concentrates the solar energy onto a solar cell for converting solar energy to electricity, comprising: an optical device with a tapered shape including a large entry aperture, a small exit aperture, and reflective sidewalls that extend between the large entry and small exit apertures, wherein the large entry aperture is larger than the small exit aperture and the optical device is positioned along an optical path;a support defining an upper surface facing an upper direction and a lower surface facing a lower direction, wherein the lower direction is opposite the upper direction, wherein the support is positioned along the optical path;a concentrator disposed in the optical path between the upper surface of the support and the optical device, the concentrator including at least one sloping side;a solar cell mounted on the upper surface of the support and along the optical path, the solar cell comprising one or more III-V compound semiconductor layers, wherein the solar cell defines an upper surface facing the upper direction and the concentrator, a lower surface opposite the upper surface and facing the lower direction and the upper surface of the support, and at least one side surface extending between the lower surface and the upper surface, wherein the at least one side surface defines a periphery extending around the solar cell; anda ceramic heat shield mounted over the support, wherein all of the heat shield is located outside the periphery of the solar cell defined by the at least one side surface and spaced away from the solar cell to protect the support from concentrated light,wherein the ceramic heat shield includes a tapered side that tapers away from the solar cell to expose the solar cell to the optical path and slopes in the same direction as the sloping side of the concentrator, wherein the tapered side of the heat shield and the sloping side of the concentrator are adjacent sides. 9. The solar cell receiver subassembly of claim 8, wherein the heat shield has a fixed shape prior to attachment to the support, wherein the heat shield defines a first side that is mounted to the upper surface of the support and faces the lower direction and a second side opposite the first side that faces away from the support and in the upper direction. 10. The solar cell receiver subassembly of claim 9, wherein the heat shield includes a plurality of individual sections that are each separately mounted to the support. 11. The solar cell receiver subassembly of claim 8, further comprising a diode mounted on the support and having a body, an anode terminal and cathode terminal, the diode being covered by the heat shield. 12. The solar cell receiver subassembly of claim 8, wherein the heat shield extends around an entirety of the periphery of the solar cell. 13. The solar cell receiver subassembly of claim 8, wherein the support is a ceramic substrate, wherein the upper surface and the lower surface are each metalized surfaces.
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