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Solar cell and manufacturing method thereof

A technology for solar cells and back electrode layers, which is applied in the manufacture of final products, sustainable manufacturing/processing, circuits, etc., can solve the problems of increasing the contact resistance between the window layer and the back electrode layer, reducing the efficiency of solar cells, etc., and achieve improved efficiency , Improve the effect of interface adhesion

Inactive Publication Date: 2016-08-03
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to MoSe 2 The resistance of the layer is higher than the resistance of the back electrode layer, thus increasing the contact resistance between the window layer and the back electrode layer, thus reducing the efficiency of the solar cell

Method used

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  • Solar cell and manufacturing method thereof
  • Solar cell and manufacturing method thereof
  • Solar cell and manufacturing method thereof

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Embodiment Construction

[0019] In the description of the embodiments, it should be understood that when a board, line, cell, device, surface, or pattern is referred to as being on another board, another line, another cell, another device, another surface or another pattern When "on" or "under", it may be "directly" or "indirectly" on the other board, wire, cell, device, surface, or pattern, or one or more intervening layers may also be present. Such a positional relationship will be described with reference to the drawings. Thicknesses and sizes of respective elements shown in the drawings may be exaggerated and do not fully reflect actual sizes.

[0020] figure 1 is a plan view of the solar cell module according to the embodiment. The solar cell module includes a plurality of solar cells C1, C2, C3...Cn.

[0021] refer to figure 1 , the substrate 100 of the solar cell module includes an active area AA and an inactive area NAA. Although the active area AA and the invalid area NAA are arranged as...

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Abstract

A solar cell and a manufacturing method thereof are disclosed. The solar cell includes: a substrate; a back electrode layer on the substrate; a light absorbing layer including a second through hole on the back electrode layer; a window layer on the light absorbing layer; a barrier layer between the substrate and the back electrode layer.

Description

technical field [0001] Embodiments relate to a solar cell and a method of manufacturing the same. Background technique [0002] Solar cells convert solar energy into electricity. Recently, as demand for solar energy increases, solar cells are commercially used in various fields. [0003] A solar cell is fabricated by sequentially forming a substrate including sodium, a back electrode layer, a light absorbing layer, and a window layer and then forming a gate electrode thereon. The light absorbing layer includes CIGS compound. Since the CIGS compound is formed on the back electrode layer, MoSe is formed between the back electrode layer and the light absorbing layer 2 layer. [0004] MoSe 2 layer can increase the interfacial adhesion between the back electrode layer and the light absorbing layer. However, due to MoSe 2 The resistance of the layer is higher than that of the back electrode layer, thus increasing the contact resistance between the window layer and the back ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/042H01L31/0216
CPCH01L31/03923H01L31/0749H01L31/046H01L31/0465Y02E10/541Y02P70/50H01L31/0216H01L31/04
Inventor 李东根
Owner LG INNOTEK CO LTD