KR101426224B1 - Solar cell, solar cell supporter and method for construction thereof - Google Patents

Solar cell, solar cell supporter and method for construction thereof Download PDF

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KR101426224B1
KR101426224B1 KR1020120013985A KR20120013985A KR101426224B1 KR 101426224 B1 KR101426224 B1 KR 101426224B1 KR 1020120013985 A KR1020120013985 A KR 1020120013985A KR 20120013985 A KR20120013985 A KR 20120013985A KR 101426224 B1 KR101426224 B1 KR 101426224B1
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solar cell
semiconductor layer
present
conductive core
peripheral surface
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KR1020120013985A
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Korean (ko)
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KR20130092322A (en
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최대규
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최대규
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The present invention relates to a solar cell, and more particularly, to a solar cell which comprises a conductive core material as an electrode, a semiconductor layer for absorbing solar light and a transparent electrode on the outer circumferential surface of the conductive core material, A solar cell mounting apparatus, and a solar cell construction method, which can easily absorb solar cells and solar cells that can be absorbed and installed. The solar cell construction method of the present invention is characterized in that it is installed parallel to the support surface in the construction of the line type solar cell.

Description

TECHNICAL FIELD [0001] The present invention relates to a solar cell, a solar cell mounting apparatus,

The present invention relates to a solar cell, and more particularly, to a solar cell which comprises a conductive core material as an electrode, a semiconductor layer for absorbing solar light and a transparent electrode on the outer circumferential surface of the conductive core material, A solar cell mounting apparatus, and a solar cell construction method, which can easily absorb solar cells and solar cells that can be absorbed and installed.

With the recent depletion of existing energy resources such as oil and coal, interest in alternative energy to replace them is increasing. In particular, solar cells are attracting particular attention because they are rich in energy resources and have no problems with environmental pollution.

Solar cells include solar cells that generate the steam needed to rotate the turbine using solar heat and solar cells that convert photons into electrical energy using the properties of semiconductors. Photovoltaic cells.

This solar cell has a junction structure of a p-type semiconductor and an n-type semiconductor, such as a diode. When a solar cell is incident on a solar cell, the interaction between the solar cell and the material constituting the semiconductor of the solar cell results in (-) charge The charged electrons and electrons escape, and positive holes with charged electrons are generated.

This photovoltaic effect is called photovoltaic effect. In the p-type and n-type semiconductors constituting the solar cell, electrons are attracted toward the n-type semiconductor and holes are attracted toward the p-type semiconductor, , And when these electrodes are connected by electric wires, electric power can be flowed to obtain electric power

The output characteristics of such a solar cell are generally expressed by the sum total energy (S x) of incident solar light on the maximum value (Pm) of the product Ip x Vp of the output current Ip and the output voltage Vp on the output current- I: S is the element area, and I is the intensity of the light irradiated to the solar cell).

In order to improve the conversion efficiency of the solar cell, it is necessary to increase the absorption rate of the solar cell to the sunlight, reduce the degree of recombination of the carriers, and lower the resistance of the semiconductor substrate and the electrode. Studies on solar cells are largely going on with them.

Recently, an interdigit back contact cell (IBC) type solar cell has been developed in which all of the electrodes are disposed on the rear surface in order to eliminate the decrease in the absorption rate due to the electrodes on the front surface.

Korean Patent Laid-Open Publication No. 10-2008-0087337 (IBC type solar cell manufacturing method and IBC type solar cell) relates to a back electrode type solar cell, which improves the manufacturing process to simplify the manufacturing process, reduce the manufacturing cost However, basically, the solar cell has the following problems.

First, since the solar cell absorbs sunlight only on one side, it is laid on the floor so that the absorption efficiency of sunlight is low in the morning or late afternoon.

Second, in order to increase the efficiency of solar absorption, a tracker for tracking sunlight needs to be separately constructed and the solar cell must be moved in the corresponding direction using a motor according to the result of tracking in the tracker. As a result, it leads to the problem that the production cost of the solar cell is increased, and the problem is eventually transferred to the consumer, which makes it difficult to activate the solar cell.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems and disadvantages of the prior art as described above, and it is an object of the present invention to provide a semiconductor light- A solar cell capable of absorbing solar light with maximum efficiency during light, a solar cell capable of mounting and mounting solar cells, a solar cell mounting device, and a solar cell construction method.

In order to achieve the above object, the solar cell construction method of the present invention is characterized in that a line type solar cell is installed parallel to a support surface.

In order to accomplish the above object, the present invention provides a solar cell construction method in which a line type solar cell is installed with an inclination angle with respect to a support surface.

Here, it is preferable that the inclination angle is formed at an angle of 90 degrees.

It is preferable that a plurality of linear solar cells are connected and arranged in parallel.

In addition, it is preferable that a plurality of linear solar cells are connected and arranged in series.

On the other hand, it is preferable that the support surface is one of a ground, a building outer wall, and a window frame.

In order to achieve the above object, the solar cell of the present invention comprises a linear solar cell, and the linear solar cell is composed of a plurality of linear solar cells connected in series.

In order to accomplish the above object, the solar cell of the present invention is preferably composed of modules connected to each other so that a plurality of linear solar cells cross each other to form a net shape in constituting a linear solar cell.

In order to accomplish the above object, the present invention provides a method of manufacturing a solar cell, wherein the solar cell module is mounted so as to face from the east side to the west side.

In order to accomplish the above object, the present invention provides a solar cell mounting apparatus comprising a conductive core member as an electrode, a semiconductor layer formed on an outer circumferential surface of the conductive core member, and a transparent conductive layer formed on an outer circumferential surface of the semiconductor layer, And the solar cell is mounted in a horizontal or vertical direction on a plurality of pillars formed in a direction perpendicular to the paper surface.

Here, the conductive core material is preferably one of conductive fibers or carbon fibers.

The conductive core is preferably made of a metal material.

Preferably, the semiconductor layer is composed of an N-type semiconductor layer formed on the outer peripheral surface of the conductive core material, and an intrinsic semiconductor layer formed on the outer peripheral surface of the N-type semiconductor layer and a P semiconductor layer formed on the peripheral surface of the intrinsic semiconductor layer.

On the other hand, the semiconductor layer preferably comprises a P-type semiconductor layer formed on the outer peripheral surface of the conductive core, an intrinsic semiconductor layer formed on the outer peripheral surface of the P-type semiconductor layer, and an N semiconductor layer formed on the outer peripheral surface of the intrinsic semiconductor layer

Here, the transparent conductive layer is preferably formed of one of TCO (Transparent Conductive Oxide) or graphene.

It is preferable that a plurality of semiconductor layers are formed in the transparent conductive layer.

The surface of the conductive core is preferably plated with a metal coating.

On the other hand, the metal film is preferably silver (Ag) or aluminum (Al).

Here, it is preferable that the solar cells are alternately arranged in an alternating fashion in a net shape.

The present invention has the following effects.

First, it is possible to provide a solar cell that maximizes the solar absorption efficiency by modularizing the solar cell in a linear shape capable of absorbing sunlight in all aspects.

Second, since solar cell can be constructed upright and absorb solar light in all aspects, solar cell tracers and motors are unnecessary, so solar cells can be constructed at the lowest possible cost.

Third, since it is not necessary to limit the size thereof, it is easy to configure it for industrial use, personal use, household use and portable use.

1 is a cross-sectional view illustrating a linear solar cell according to a first embodiment of the present invention.
2 is a perspective view of the linear solar cell shown in Fig.
3 is a cross-sectional view illustrating a linear solar cell according to a second embodiment of the present invention.
4 is a view for explaining a first configuration example of a linear solar cell according to the second embodiment of the present invention.
5 is a view for explaining a second configuration example of the linear solar cell according to the second embodiment of the present invention.
6 is a view for explaining a first example of installation of a linear solar cell according to the present invention.
7 is a view for explaining a second example of installation of the linear solar cell according to the present invention.
8 is a view for explaining a second installation example of the linear solar cell shown in Fig.
9 is a view for explaining a state in which a linear solar cell according to the present invention is installed on a fixed frame.
10 is a view for explaining a third example of installation of the linear solar cell according to the present invention.
FIG. 11 is a view for explaining a third example of the installation of the linear solar cell shown in FIG. 10; FIG.
12 is a view for explaining a fourth example of installation of the linear solar cell according to the present invention.
13 is a view for explaining a fifth example of the installation of the linear solar cell according to the present invention.
14 is a view for explaining a sixth example of installation of the linear solar cell according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In addition, although the term used in the present invention is selected as a general term that is widely used at present, there are some terms selected arbitrarily by the applicant in a specific case. In this case, since the meaning is described in detail in the description of the relevant invention, It is to be understood that the present invention should be grasped as a meaning of a term that is not a name of the present invention. Further, in describing the embodiments, descriptions of technical contents which are well known in the technical field to which the present invention belongs and which are not directly related to the present invention will be omitted. This is for the sake of clarity of the present invention without omitting the unnecessary explanation.

FIG. 1 is a cross-sectional view illustrating a linear solar cell according to a first embodiment of the present invention, and FIG. 2 is a perspective view of the linear solar cell shown in FIG.

1 and 2, a linear solar cell (SC) according to a first embodiment of the present invention includes a first electrode 11 spaced apart from each other by conductive cores 10: 11 and 12, An n-type first semiconductor layer 21 formed on the outer peripheral surface of the first electrode 11 to absorb electrons of the sunlight and a second electrode 12 formed on the outer peripheral surface of the second electrode 12 to absorb holes of the sunlight and a second semiconductor layer 30 formed on the outer peripheral surface of the p-type first semiconductor layer 22 and the n-type first semiconductor layer 21 and the p-type first semiconductor layer 22.

Here, the conductive core member 10 may be formed of one of a carbon material, a metal material, and a conductive fiber as an electrode of a solar cell.

In the case of a carbon material, carbon fiber may be used.

When the conductive core member 10 is made of a metal material, the material of the conductive core member 10 is not particularly limited, but the first electrode 11 is made of aluminum (Al) and the second electrode 12 is made of silver (Ag) .

On the other hand, a metallic coating of silver or aluminum may be further formed on the surface of the conductive core member 10.

Further, the second semiconductor layer 30 is composed of intrinsic silicon.

3 is a cross-sectional view illustrating a linear solar cell according to a second embodiment of the present invention.

The linear solar cell according to the second embodiment of the present invention is composed of the conductive core member 110, the semiconductor layers 120, 130 and 140, and the transparent conductive layer 150.

Here, the semiconductor layers 120, 130 and 140 may include a first semiconductor layer 120 formed on the outer peripheral surface of the intrinsic core member 110, an intrinsic semiconductor layer 130 formed on the outer peripheral surface of the first semiconductor layer 120, And a second semiconductor layer 140 formed on an outer peripheral surface of the intrinsic semiconductor layer 130.

Here, the conductive core member 110 is a first electrode of the linear solar cell SC, and may be formed of one of a carbon material, a metal material, and a conductive fiber.

In the case of a carbon material, carbon fiber may be used. Here, when the conductive core member 110 is made of carbon fiber, a metal coating of silver or aluminum may be formed on the surface of the conductive core member 110.

On the other hand, when the conductive core member 110 is made of a metal material, its material is not particularly limited, but it is preferable that it is made of silver or aluminum.

The transparent conductive layer 150 is a second electrode of the linear solar cell SC and may be formed of one of TCO (Transparent Conductive Oxide) and graphene.

Here, the first semiconductor layer 120 is made of an N-type semiconductor that absorbs electrons in the sunlight or a P-type semiconductor that absorbs holes in the sunlight.

The second semiconductor layer 140 is made of a P-type semiconductor that absorbs holes in the sunlight, or an N-type semiconductor that absorbs electrons in the sunlight.

4 is a view for explaining a first configuration example of the linear solar cell according to the second embodiment of the present invention, and FIG. 5 is a view for explaining a second configuration example of the linear solar cell according to the second embodiment of the present invention to be.

FIG. 4 is a diagram showing a plurality of the solar cells shown in FIG. 3 as one layer, the layers being formed in the upper and lower parts, and the longitudinal directions being arranged in a net shape intersecting each other in a matrix form.

In addition, FIG. 5 is characterized in that the solar cells shown in FIG. 3 are arranged in the form of a net in such a manner that they are alternately twisted in a net shape.

6 is a view for explaining a first example of installation of a linear solar cell according to the present invention.

As shown in FIG. 6, the first installation example of the linear solar cell according to the present invention is the linear solar cell SC according to the second embodiment of the present invention installed in the first rectangular fixture 200. The first rectangular fixture 200 is formed, for example, in the form of an insect screen on a window of a house. Of course, there is no need to limit it to the windows of a building as well as a home. In this case, the electricity required by the building with the window can be easily supplied through the solar cell. It can be seen that the linear solar cell SC has an inclination angle with respect to the support surface in the case of such an insect control network.

FIG. 7 is a view for explaining a second example of installation of a linear solar cell according to the present invention, and FIG. 8 is a view for explaining a second installation example of the linear solar cell shown in FIG.

As shown in FIGS. 7 and 8, the second installation example of the linear solar cell according to the present invention is installed in the second rectangular fixture 210, and the first movable frame 220 and the second movable frame 220, (230) in the form of a door-shaped screen guard. Of course, there is no need to limit it to the windows of a building as well as a home. In this case, the electricity required by the building with the window can be easily supplied through the solar cell.

9 is a view for explaining a state in which the linear solar cell according to the present invention is installed in the fixing means.

9, the linear solar cell SC according to the second embodiment is disposed at a predetermined interval between the upper frame 301 and the lower frame 302 ) Are fixed and installed on both sides of the linear solar cell SC, respectively. Needless to say, the linear solar cell SC according to the second embodiment is not particularly limited.

FIG. 10 is a view for explaining a third example of installation of the linear solar cell according to the present invention, and FIG. 11 is a view for explaining a third installation example of the linear solar cell shown in FIG.

As shown in FIGS. 10 and 11, the third example of the linear solar cell according to the present invention has a plurality of supports 310 formed at intervals set perpendicularly to the support surface, The linear solar cells SC shown in the first and second embodiments of the present invention are installed parallel to the support table 310 in a plurality of fastening means 320 fastened to the support table 310. Here, the plurality of fastening means 320 can be mounted over the fastening pieces 315 having a plurality of fastening grooves 311 formed at predetermined intervals. Here, the fastening groove 311 may be formed, for example, as a U-shaped groove, so that the fastening means 320 may be fastened and installed. In addition, the linear solar cell SC can be vertically mounted and installed so as to have an inclination angle of 90 ° with respect to the support surface. The fastening means 320 is fastened to the fastening groove 311 formed in the support base 310 by fastening bars 321 formed at both ends of the fastening means 320.

At this time, the plurality of linear solar cells SC can be connected and arranged in series or in parallel in a module form. On the other hand, the support surface is one of a ground, a building outer wall, and a window frame, and is not particularly limited. In this case, it is preferable to construct the solar cell module so as to be faced from the east side to the west side so as to increase the solar light absorption efficiency when the modules are connected in series or in parallel.

12 is a view for explaining a fourth example of installation of the linear solar cell according to the present invention.

12, a fourth example of the linear solar cell according to the present invention includes a plurality of supports 310 formed at intervals set perpendicularly to the support surface, And the linear solar cells SC shown in the first and second embodiments of the present invention are mounted on the supporting unit 310 in parallel with the fastening means 320. This linear solar cell SC is formed to have an inclination angle of 90 DEG with respect to the supporting surface. At this time, both sides of the fastening means 320 are formed between the supports 310, and a plurality of linear solar cells SC can be connected and arranged in the form of a linear solar cell (SC) module 330 in series or in parallel have. The linear solar cell module 330 may be fastened to the fastening means 320 in the form of a screw or the like by a screw 340.

On the other hand, in the linear solar cells shown in Figs. 10 to 12, a linear solar cell SC provided on a fixed frame as shown in Fig. 9 can be used.

13 is a view for explaining a fifth example of the installation of the linear solar cell according to the present invention.

A fifth example of the installation of the linear solar cell according to the present invention is shown in FIG. 13, in which the linear solar cell according to the second embodiment of the present invention is used as a curtain on a ceiling or a wall surface. In the case of such a curtain shape, the curtain may be charged down when necessary, and in the case of not charging the curtain, the curtain may be rolled into a roll shape. The curtain shape may be such that the bracket 350 is fixed to the ceiling, the linear solar cell SC is coupled to the curtain rod 360, and then the bracket 350 is fastened.

14 is a view for explaining a sixth example of installation of the linear solar cell according to the present invention.

As shown in FIG. 14, a sixth example of the linear solar cell according to the present invention is a solar cell in which an anchor 370 is coupled to an outer wall of a building and a fixing member 380 having a side H shape And the fixing frame 200 as shown in Fig. 6 is fitted and fixed.

While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, the examples disclosed in the present invention are not intended to limit the scope of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: Conductive core material 11, 12: Electrode
21: n-type first semiconductor layer 22: p-type first semiconductor layer
30: second semiconductor layer 110: conductive core material
120, 130, 140: semiconductor layer 150: transparent conductive layer
200: first rectangular fixture 210: second rectangular fixture
220: first movement frame 230: second movement frame
300: fixing means 301: upper frame
302: lower frame 310: support
311: fastening groove 315: fastening piece
320: fastening means
321: fastening bar 330: linear solar cell module
340: screw 350: bracket
360: curtain rod 370: anchor
380: Fixing member

Claims (19)

delete delete delete delete delete delete delete delete delete 1. A solar cell mounting apparatus in which a conductive core member is used as an electrode, a semiconductor layer is formed on an outer peripheral surface of the conductive core member, and a transparent conductive layer is formed on an outer peripheral surface of the semiconductor layer,
The solar cells are alternately arranged in an alternating fashion in a net shape,
The solar cell is horizontally or vertically mounted on a plurality of struts formed in a direction perpendicular to the ground,
The solar cell is installed in a curtain shape. When the curtain is not charged, the curtain is rolled into a roll shape,
Wherein the transparent conductive layer is formed of graphene. 11. The method of claim 10,
Wherein the conductive core is one of conductive fibers or carbon fibers. 11. The method of claim 10,
Wherein the conductive core is made of a metal material. 11. The method of claim 10,
Wherein the semiconductor layer comprises an N-type semiconductor layer formed on an outer peripheral surface of the conductive core, and an intrinsic semiconductor layer formed on an outer peripheral surface of the N-type semiconductor layer and a P semiconductor layer formed on an outer peripheral surface of the intrinsic semiconductor layer. 11. The method of claim 10,
Wherein the semiconductor layer comprises a P-type semiconductor layer formed on an outer peripheral surface of the conductive core, an intrinsic semiconductor layer formed on an outer peripheral surface of the P-type semiconductor layer, and an N semiconductor layer formed on an outer peripheral surface of the intrinsic semiconductor layer. delete 11. The method of claim 10,
And a plurality of semiconductor layers are formed in the transparent conductive layer. 11. The method of claim 10,
Wherein the surface of the conductive core is plated with a metal coating. 18. The method of claim 17,
Wherein the metal film is silver (Ag) or aluminum (Al). delete
KR1020120013985A 2012-02-10 2012-02-10 Solar cell, solar cell supporter and method for construction thereof KR101426224B1 (en)

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KR101426224B1 true KR101426224B1 (en) 2014-08-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08509839A (en) * 1993-05-12 1996-10-15 マツクス−プランク−ゲゼルシヤフト ツール フエルデルング デル ヴイツセンシヤフテン エー フアウ Electronic device having micropatterned electrodes and manufacturing method thereof
KR20000068831A (en) * 1997-08-27 2000-11-25 나가다 죠스게 Spheric semiconductor device, mithod for manufacturing the same, and spheric semiconductor device material
KR100734217B1 (en) * 2006-10-16 2007-07-02 (주)탑인프라디벨로퍼 Manual system of solar panel angle control chapter
KR20080039873A (en) * 2005-06-17 2008-05-07 디 오스트레일리언 내셔널 유니버시티 A solar cell interconnection process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08509839A (en) * 1993-05-12 1996-10-15 マツクス−プランク−ゲゼルシヤフト ツール フエルデルング デル ヴイツセンシヤフテン エー フアウ Electronic device having micropatterned electrodes and manufacturing method thereof
KR20000068831A (en) * 1997-08-27 2000-11-25 나가다 죠스게 Spheric semiconductor device, mithod for manufacturing the same, and spheric semiconductor device material
KR20080039873A (en) * 2005-06-17 2008-05-07 디 오스트레일리언 내셔널 유니버시티 A solar cell interconnection process
KR100734217B1 (en) * 2006-10-16 2007-07-02 (주)탑인프라디벨로퍼 Manual system of solar panel angle control chapter

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