Solar cell and manufacturing method thereof

A solar cell and electrode technology, applied in circuits, electrical components, photovoltaic power generation, etc., can solve problems such as reducing the efficiency of solar cells

Inactive Publication Date: 2011-12-21
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, reducing the ef

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

[0021] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

[0022] In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Like reference numerals denote like elements throughout the specification. It will be understood that when an element (eg, layer, film, region, or substrate) is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.

[0023] figure 1 is a partial perspective view of a solar cell according to an exemplary embodiment. figure 2 is along figure 1 Sectional view t...

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Abstract

A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole; an emitter layer only on at least a portion of the via hole and at least one selected from a group consisting of an incident surface and side surfaces of the substrate, the emitter layer having a second conductive type opposite the first conductive type; at least one first electrode on the incident surface, the first electrode being electrically connected to the emitter layer; a second electrode connected to an opposite surface to the incident surface; and at least one first electrode current collector on the opposite surface, the at least one first electrode current collector being insulated from the second electrode and being electrically connected to the at least one first electrode through the via hole.

Description

technical field [0001] Embodiments relate to solar cells and methods of manufacturing the same. Background technique [0002] Recently, since existing energy sources such as oil and coal are believed to be exhausted, there has been increasing interest in alternative energy sources to replace existing energy sources. Among these alternative energy sources, a solar cell is particularly attracting attention as a cell for generating electric energy from solar energy, since it can draw energy from a sufficient source without causing environmental pollution. [0003] A general solar cell includes: a substrate and an emitter layer, which are formed of semiconductors, each having a different conductivity type, such as p-type and n-type; and electrodes respectively formed on the substrate and the emitter layer. A typical solar cell also includes a p-n junction formed at the interface between the substrate and the emitter layer. When light is incident on a solar cell, a plurality of...

Claims

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Application Information

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IPC IPC(8): H01L31/042
CPCH01L31/02363Y02E10/52H01L31/02245H01L31/0236H01L31/028H01L31/0368Y02E10/547H01L31/068H01L31/02168H01L31/022425H01L31/04
Inventor 高志勋姜周完金钟焕张大熙
Owner LG ELECTRONICS INC
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