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Solar cell and manufacturing method of the same

A technology of solar cells and back electrodes, applied in the direction of final product manufacturing, sustainable manufacturing/processing, circuits, etc., to achieve the effect of improving diffuse reflection efficiency, photoelectric conversion efficiency, and efficiency

Inactive Publication Date: 2013-06-19
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a limitation in maximizing the photoelectric conversion efficiency

Method used

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  • Solar cell and manufacturing method of the same
  • Solar cell and manufacturing method of the same
  • Solar cell and manufacturing method of the same

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Embodiment Construction

[0022] In the description of the embodiments, it should be understood that when a board, line, cell, surface, or pattern is said to be "on" or "under" another board, line, cell, surface or pattern, it may directly Intervening layers may also be present, either above or below another layer or substrate. Also, "on" and "under" the respective component layers will be described based on the drawings. Also, the size of elements and the relative size between elements may be exaggerated for further understanding of the present invention.

[0023] figure 1 is a cross-sectional view of a solar cell according to one embodiment. figure 2 is a plan view of a transparent electrode layer according to an embodiment. image 3 is a cross-sectional view showing a main part of a transparent electrode layer according to an embodiment.

[0024] refer to figure 1 , The solar cell according to one embodiment includes a substrate 100, a transparent electrode layer 200 on the substrate 100, a pa...

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Abstract

A solar cell is provided. The solar cell includes a transparent electrode layer on a substrate, a pattern layer on the transparent electrode layer, the pattern layer including a plurality of pattern parts having inclined side surfaces, a light absorption layer on the pattern layer, and a back surface electrode layer on the light absorption layer.

Description

technical field [0001] The invention relates to a solar cell and a manufacturing method thereof. Background technique [0002] Solar cells convert solar energy into electricity. In recent years, with the increasing demand for energy, solar cells have been widely used commercially. [0003] Solar cells can be classified into super straight type and sub straight type according to their structure. Ultrastraight solar cells have a structure in which light is incident from a transparent substrate. Therefore, an ultra-straight solar cell sequentially includes a light-transmitting substrate, a transparent electrode layer, a light-absorbing layer, and a back electrode layer. [0004] In order to improve the photoelectric conversion efficiency of the solar cell, the area of ​​the PN junction surface should be increased. However, the light absorbing layer constituting the surface of the PN junction is usually arranged parallel to the substrate. Therefore, there is a limit to maxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/042H01L31/0236
CPCH01L31/02366H01L31/0322H01L31/03923H01L31/0749Y02E10/541Y02P70/50H01L31/04H01L31/0236
Inventor 李真宇
Owner LG INNOTEK CO LTD
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