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WO2011091681A1 - Récepteur photovoltaïque concentrateur de lumière à surface incurvée - Google Patents

Récepteur photovoltaïque concentrateur de lumière à surface incurvée Download PDF

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Publication number
WO2011091681A1
WO2011091681A1 PCT/CN2010/078831 CN2010078831W WO2011091681A1 WO 2011091681 A1 WO2011091681 A1 WO 2011091681A1 CN 2010078831 W CN2010078831 W CN 2010078831W WO 2011091681 A1 WO2011091681 A1 WO 2011091681A1
Authority
WO
WIPO (PCT)
Prior art keywords
shape
curved surface
solar cell
concentrating photovoltaic
curved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2010/078831
Other languages
English (en)
Chinese (zh)
Inventor
朱丽
王一平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University
Original Assignee
Tianjin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Publication of WO2011091681A1 publication Critical patent/WO2011091681A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/488—Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Definitions

  • the invention relates to a curved concentrating photovoltaic receiver, belonging to the technical field of concentrating photovoltaic power generation. Background technique
  • the concentrator used for the concentrating solar cell array mainly includes a Fresnel lens, a trough parabola, a rotating paraboloid, etc., and the sunlight is condensed or reflected by the concentrator to condense a point or line of focal spot, which will be gathered.
  • the concentrating photovoltaic power generation can be realized by placing the solar cell component in the focal spot position.
  • the existing concentrating solar cell modules are all flat surfaces, and the light intensity distribution of the focal spot on this plane is an uneven distribution in which the middle strong side is weak.
  • the unevenness of light intensity on the same battery will reduce the filling factor of the battery, resulting in a decrease in battery efficiency.
  • the solar cell is made up of several identical sub-cells in parallel, the actual current flowing through each sub-cell is also different due to the different light intensities. Differently, this will cause the junction voltage applied to each pn junction to be significantly different, so that each subcell does not work at the same optimal operating point. This phenomenon also causes the fill factor of the entire solar cell module to decrease, resulting in a system. The decline in efficiency. Summary of the invention
  • a curved concentrating photovoltaic receiver comprises a curved substrate, a solar cell or a solar cell assembly.
  • the shape of the curved substrate is geometrically similar to the shape of the concentrator, and the solar cell or the solar cell assembly is fixed on the light receiving surface of the curved substrate.
  • the geometry of the curved substrate is a trough parabola or a dish paraboloid.
  • the curved concentrating photovoltaic receiver of the invention has the shape of the curved substrate connected with the solar cell or the solar cell module and the geometric shape of the concentrator, so that the uniformity of the intensity of the focal spot on the surface of the receiver can be improved. In turn, the efficiency of the entire concentrating photovoltaic power generation system is improved, which helps to reduce the cost of photovoltaic power generation.
  • FIG. 1 is a schematic view showing the installation of a curved concentrating photovoltaic receiver and a trough concentrator according to the present invention.
  • FIG. 2 is a bottom view of a curved concentrating photovoltaic receiver with a curved substrate as a trough paraboloid. detailed description
  • a curved concentrating photovoltaic receiver comprises a curved substrate 1, a solar cell or a solar cell module 2, the shape of the curved substrate is similar to the shape of the concentrator 3, and the solar cell or the solar cell assembly is fixed on the light receiving surface of the curved substrate.
  • the geometry of the curved substrate is a trough parabola or a dish paraboloid.
  • the shape of the curved substrate is similar to the shape of the trough concentrator, and the shape is a trough parabola, or the shape of the curved substrate is similar to the shape of the dish concentrator, and the shape is a dish paraboloid.
  • the material of the curved substrate can be selected from high temperature resistant metal or non-metal materials.
  • the back surface of the curved substrate may also be provided with fins or pipes for fluid flow.
  • the solar cell or solar cell module can be fixed to the light-receiving surface of the curved substrate by cementing, soldering or mechanical connection.
  • the curved concentrating photovoltaic receiver of the present invention can also be directly immersed in an insulating liquid to cool the solar cell or solar cell module by flowing insulating liquid.

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

Le récepteur photovoltaïque concentrateur de lumière à surface incurvée selon l'invention comporte un substrat à surface incurvée (1), et une batterie solaire ou un module de batteries solaires (2), la forme du substrat à surface incurvée (1) étant géométriquement similaire à la forme d'un concentrateur de lumière (3), et la batterie solaire ou le module de batteries solaires (2) étant fixé(e) sur une surface acceptant la lumière du substrat à surface incurvée (1). La forme du substrat à surface incurvée (1) connecté à la batterie solaire ou au module de batteries solaires (2) est géométriquement similaire à la forme du concentrateur de lumière (3), élevant ainsi l'uniformité de l'intensité lumineuse d'un point focal sur la surface du récepteur, améliorant le rendement de tout le système de génération photovoltaïque concentrateur de lumière et réduisant le coût de génération photovoltaïque.
PCT/CN2010/078831 2010-01-29 2010-11-17 Récepteur photovoltaïque concentrateur de lumière à surface incurvée Ceased WO2011091681A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010102941.8A CN101789461A (zh) 2010-01-29 2010-01-29 一种曲面聚光光伏接收器
CN201010102941.8 2010-01-29

Publications (1)

Publication Number Publication Date
WO2011091681A1 true WO2011091681A1 (fr) 2011-08-04

Family

ID=42532597

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/078831 Ceased WO2011091681A1 (fr) 2010-01-29 2010-11-17 Récepteur photovoltaïque concentrateur de lumière à surface incurvée

Country Status (2)

Country Link
CN (1) CN101789461A (fr)
WO (1) WO2011091681A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101789461A (zh) * 2010-01-29 2010-07-28 天津大学 一种曲面聚光光伏接收器
CN103441178B (zh) * 2013-09-10 2016-07-06 浙江大学 基于复眼的紧凑式双反射型光伏聚光器
CN105187002B (zh) * 2015-08-11 2017-09-08 上海盈达空调设备股份有限公司 广谱电磁太阳能电池

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11163382A (ja) * 1997-11-28 1999-06-18 Clean Kankyo Kk 光電変換装置
JP2000031522A (ja) * 1998-07-15 2000-01-28 Michio Takaoka 変換効率倍増の太陽光発電と集熱装置
CN101609198A (zh) * 2009-06-23 2009-12-23 黄卫东 一种聚光反射镜与应用装置
CN101789461A (zh) * 2010-01-29 2010-07-28 天津大学 一种曲面聚光光伏接收器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11163382A (ja) * 1997-11-28 1999-06-18 Clean Kankyo Kk 光電変換装置
JP2000031522A (ja) * 1998-07-15 2000-01-28 Michio Takaoka 変換効率倍増の太陽光発電と集熱装置
CN101609198A (zh) * 2009-06-23 2009-12-23 黄卫东 一种聚光反射镜与应用装置
CN101789461A (zh) * 2010-01-29 2010-07-28 天津大学 一种曲面聚光光伏接收器

Also Published As

Publication number Publication date
CN101789461A (zh) 2010-07-28

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