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Solar cell and method of manufacturing the same

A technology for solar cells and electrodes, applied in the direction of final product manufacturing, sustainable manufacturing/processing, circuits, etc., which can solve the problems of heat, damage, and degradation of characteristics

Active Publication Date: 2016-11-23
TRINA SOLAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since forming a contact hole via laser irradiation causes heat generated by the laser to directly reach a part of the photoelectric converter in a region where the contact hole is formed, the corresponding part may be damaged by heat, or its characteristics may be damaged by heat. decline

Method used

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  • Solar cell and method of manufacturing the same

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Embodiment Construction

[0018] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings. However, it will be understood that the present invention should not be limited to these embodiments, and the present invention can be modified in various ways.

[0019] In the drawings, illustration of elements unrelated to the present description is omitted in order to clearly and briefly explain the embodiments of the present invention, and the same or very similar elements are denoted by the same reference numerals throughout the specification. Also, in the drawings, the dimensions of elements such as thickness, width, etc. are exaggerated or reduced for clearer illustration, and thus, the thickness, width, etc. of the embodiments of the present invention are not limited to the illustrations in the drawings.

[0020] In this specification, when it is mentioned that an element "includes" another element, as long as there is no specific...

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Abstract

Disclosed is a solar cell and a method of manufacturing the same. The solar cell includes a semiconductor substrate, a conductive area including a first conductive area and a second conductive area formed on one surface of the semiconductor substrate, a passivation film formed on the conductive area, the passivation film having a contact hole, a protective film formed on the conductive area inside the contact hole, the protective film being formed on at least one of at least a portion of an inner side surface of the contact hole and the passivation film, and an electrode electrically connected to the conductive area through the contact hole with the protective film interposed therebetween.

Description

technical field [0001] Embodiments of the present invention relate to solar cells and methods of manufacturing the same, and more particularly, to back contact solar cells and methods of manufacturing the same. Background technique [0002] In recent years, due to the consumption of existing energy sources such as petroleum and coal, interest in alternative energy sources for replacing existing energy sources is increasing. In particular, solar cells for converting sunlight into electrical energy are the most popular next-generation cells. [0003] A solar cell may be manufactured by forming various layers and electrodes based on a design. The efficiency of a solar cell can be determined by the design of various layers and electrodes. In order to commercialize solar cells, the problem of low efficiency needs to be overcome, and thus, there is a need to design various layers and electrodes to maximize the efficiency of solar cells. [0004] In consideration of passivation,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/042H01L31/0216H01L31/0224H01L31/18
CPCH01L31/02167H01L31/02168H01L31/022425H01L31/042H01L31/1876H01L31/0747H01L31/1804Y02E10/547H01L31/022441Y02P70/50H01L31/049H01L31/02008H01L31/02366H01L31/1868
Inventor 郑寅道梁周弘李恩珠许美姬
Owner TRINA SOLAR CO LTD
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