Process for making partially transparent photovoltaic modules

A photovoltaic module and process technology, applied in photovoltaic power generation, electrical components, circuits, etc.

Inactive Publication Date: 2010-11-03
DU PONT APOLLO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There will be an additional 6% to 10% power loss of the photovoltaic cell due to the sacrifice of a portion of the photoelectric conversion semiconductor material

Method used

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  • Process for making partially transparent photovoltaic modules
  • Process for making partially transparent photovoltaic modules
  • Process for making partially transparent photovoltaic modules

Examples

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Embodiment Construction

[0019] The present invention will be described in detail below by way of examples with reference to the accompanying drawings, which are not intended to limit the scope of the present invention. It will be understood that any modification or change that can be easily realized by those skilled in the art falls within the scope of the disclosure of this specification.

[0020] figure 1 A photovoltaic cell fabricated according to the process of the present invention is illustrated. Such as figure 1 As shown, the photovoltaic cell 10 includes a front electrode 12 , a photoelectric conversion element 13 and a patterned rear electrode 14 disposed on a transparent substrate 11 in sequence. The transparent substrate 11 of the present invention can be any substrate known to those skilled in the art, such as plastic or glass. The front electrode 12 may be made of any suitable material known to those skilled in the art, such as, but not limited to, transparent conducting oxides such a...

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Abstract

A process for making a partially transparent photovoltaic cell or a partially transparent photovoltaic module comprising series-connected or parallel-connected photovoltaic cells comprises the step of forming a patterned back electrode(s) by screen printing, jet printing, roll-to-roll processing or depositing through a shadow mask with openings. The pattern of the back electrode is determined at the same time when the back electrode is disposed, such that the complexity and cost of the process can be reduced.

Description

technical field [0001] The present invention relates to partially transparent photovoltaic cells and modules and processes for their manufacture. Background technique [0002] Photovoltaic cells convert light energy into electricity. A typical photovoltaic cell includes a transparent substrate, and a front electrode, a photoelectric conversion element, and a rear electrode sequentially disposed on the substrate. The incoming light is transmitted to the photoelectric conversion layer through the substrate and the front electrode. The front electrode is made of a transparent conductive oxide (for example, tin oxide, indium oxide, or indium tin oxide) for transmitting incoming light into the photoelectric conversion element. Photoelectric conversion elements are made of amorphous silicon, single crystal silicon, polycrystalline silicon, cadmium telluride, and other semiconductor materials in a p-i-n or p-n junction structure for converting light energy into electrical energy....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/18
CPCH01L31/022425H01L27/1427H01L27/1423Y02E10/50H01L31/046H01L31/0468
Inventor 叶协鑫李纪莱陈烜平
Owner DU PONT APOLLO
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