KR20230081748A - Photovoltaic module that can be applied to buildings and has improved esthetics and efficiency through the implementation of glass surface patterns - Google Patents

Abstract

Disclosed is a photovoltaic module capable of improving output and maximizing aesthetics by maximizing the amount of sunlight incident on the surface of a photovoltaic cell due to diffuse reflection by implementing a pattern pattern on glass disposed in front of a photovoltaic cell.
A solar module applicable to buildings and having improved aesthetics and efficiency through the realization of a surface pattern of glass includes solar cells, a solar cell layer including ribbons electrically connecting the solar cells, and the front surface of the solar cell layer. And a first protective layer disposed on the back side to protect the solar cell layer, disposed on the front surface of the first protective layer, and formed of a material different from that of the first protective layer, a second protective layer disposed on the front surface of the second protective layer, , a third protective layer formed of the same material as the first protective layer, a masking layer disposed on the front surface of the third protective layer and configured to cover a region where ribbons are exposed, disposed on the front surface of the masking layer, and at least one pattern and a second glass layer disposed on the rear surface of the first colored glass layer and the first protective layer.

Description

Photovoltaic module that can be applied to buildings and has improved esthetics and efficiency through the implementation of glass surface patterns}

The present invention relates to a photovoltaic module that is applicable to buildings and has improved efficiency and secured aesthetics through the realization of a surface pattern of glass.

In general, solar cells are installed on rooftops or roofs of buildings, but in apartments or high-rise buildings, the size of solar cells that can be installed on rooftops or roofs is limited, making it difficult to efficiently utilize sunlight.

Accordingly, studies on building-integrated solar cells that are installed on outer walls of houses and buildings and are integrated with houses and buildings have been actively conducted.

When the building-integrated solar cell is applied, photoelectric conversion can be performed over a large area of the outer wall of the building, so sunlight can be efficiently used.

However, in order for the building-integrated solar cell to be successfully applied to the outer wall of a building, it must have excellent exterior aesthetics. However, existing building-integrated solar cells have difficulties in improving exterior aesthetics because solar cells and wiring connected to them are visible from the outside as they are or have only black colors to maximize sunlight absorption.

On the other hand, conventionally, solar modules coated with various colors have been developed to give aesthetics to monotonous black solar modules, but color pigments inhibit light transmission, resulting in reduced efficiency of solar modules.

In addition, the conventional photovoltaic module has a high resistance loss as it is formed of a single solar panel structure, and thus has a problem of low power generation efficiency.

Korean Patent Publication No. 10-2018-0002974

The present invention has been made to solve the above problems, and an object of the present invention is to maximize the amount of sunlight incident on the surface of a solar cell due to diffuse reflection by implementing a pattern pattern on glass disposed in front of a solar cell. It is to provide a solar module that can improve output and maximize aesthetics, is applicable to buildings, secures aesthetics through the realization of surface patterns of glass, and improves efficiency.

Another object of the present invention is to implement a surface pattern of glass that can be applied to buildings and minimize power loss by applying photovoltaic cells as cutting cells and improve power generation efficiency by arranging photovoltaic cells to partially overlap each other. To provide a photovoltaic module with improved aesthetics and improved efficiency.

The object of the present invention is not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

A photovoltaic module applicable to a building according to an embodiment of the present invention for solving the above problems and having aesthetics secured and efficiency improved through the implementation of a surface pattern of glass, photovoltaic cells and electrically connecting the photovoltaic cells A solar cell layer including ribbons that do; a first protective layer disposed on the front and rear surfaces of the solar cell layer to protect the solar cell layer; a second protective layer disposed on the entire surface of the first protective layer and formed of a material different from that of the first protective layer; a third protective layer disposed on the entire surface of the second protective layer and made of the same material as the first protective layer; a masking layer disposed on the entire surface of the third passivation layer to cover an area where the ribbons are exposed; a first glass layer disposed on the entire surface of the masking layer and having at least one pattern and color; and a second glass layer disposed on the rear surface of the first protective layer.

The first glass layer may include a first pattern formed on an entire surface of the first glass layer exposed to an external space; a second pattern formed on a rear surface of the first glass layer and having a shape different from that of the first pattern; and a coating layer deposited on the rear surface of the first glass layer and having at least one color capable of transmitting sunlight.

The first protective layer and the third protective layer may be formed of an ethylene vinyl acetate material, and the second protective layer may be formed of a polyethylene terephthalate material.

The photovoltaic cells may overlap each other at least in part and be inclined with respect to the second glass layer.

The photovoltaic cell may include a cell unit; An accommodating groove in which the cell unit is accommodated, a protrusion overlapping the rear surface of another solar cell and supporting the other solar cell, and overlapping the front surface of another solar cell, and a portion of the other solar cell being caught. a housing portion having a supported groove portion; and a wedge-shaped coupling protrusion formed at an end of the protrusion. a coupling groove portion formed in the groove portion and having a wedge shape corresponding to the coupling protrusion portion; a first magnetic part accommodated in the coupling protrusion; and a second magnetic part accommodated in the coupling groove and having a polarity different from that of the first magnetic part.

The second glass layer is formed to protrude from the front surface of the second glass layer and is inclined with respect to the front surface of the second glass layer, a part supports the back surface of the solar cells, and the other part supports the solar cells. It may include; support pillars configured to support the stepped portion of the.

The support pillar may include a first support surface that supports the rear surface of the solar cell and is parallel to the rear surface of the solar cell; and a second support surface that supports the side surface of the photovoltaic cell and is parallel to the side surface of the photovoltaic cell.

The first pattern includes hemispherical pattern protrusions spaced apart from each other by a first distance on the plane of the first glass layer, and the second pattern is spaced apart by the first distance on the plane of the first glass layer. It may include; spaced apart, hemispherical pattern grooves disposed between the pattern protrusions.

On a plane of the first glass layer, the pattern grooves may have a larger plane area than the pattern protrusions.

The first glass layer is formed on the rear surface of the first glass layer, is disposed at a position corresponding to the pattern protrusions on a plane of the first glass layer, and has a shape different from that of the first pattern and the second pattern. The third pattern may further include hemispherical auxiliary pattern grooves having a smaller plane area than the pattern protrusion on a plane of the first glass layer.

According to an embodiment of the present invention, since a pattern pattern is formed on the glass disposed in front of a solar cell, the amount of sunlight incident on the surface of the solar cell due to diffuse reflection is maximized to improve output and maximize aesthetics. .

In addition, since the solar cells are implemented as half-cutting cells, the internal current of the cells is reduced by half, thereby lowering the resistance loss, thereby minimizing the output loss and producing more power per unit area of the cell.

In addition, since the solar cells are sequentially arranged in a partially overlapped structure, gaps between the solar cells can be minimized, thereby maximizing power generation efficiency.

Effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the present invention.

1 is a schematic cross-sectional view of a solar module according to an embodiment of the present invention.
2 is an enlarged cross-sectional view of a portion of a first glass layer according to an embodiment of the present invention.
Figure 3 is a plan view showing an enlarged portion of the first glass layer according to an embodiment of the present invention.
4 is an enlarged cross-sectional view of a portion of a first glass layer according to another embodiment of the present invention.
5 is a cross-sectional view showing an enlarged portion of a solar cell layer according to an embodiment of the present invention.
6 is a first embodiment of a solar module manufactured using the present invention.
7 is a second embodiment of a solar module manufactured using the present invention.
8 is an embodiment in which the solar module manufactured using the present invention is applied to an actual building.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, since various changes can be made to the embodiments, the scope of the patent application is not limited or limited by these embodiments. It should be understood that all changes, equivalents or substitutes to the embodiments are included within the scope of rights.

Specific structural or functional descriptions of the embodiments are disclosed for illustrative purposes only, and may be modified and implemented in various forms. Therefore, the embodiments are not limited to the specific disclosed form, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit.

Although terms such as first or second may be used to describe various components, such terms should only be construed for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element.

It should be understood that when an element is referred to as being “connected” to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle.

Terms used in the examples are used only for descriptive purposes and should not be construed as limiting. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the embodiment belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

In addition, in the description with reference to the accompanying drawings, the same reference numerals are given to the same components regardless of reference numerals, and overlapping descriptions thereof will be omitted. In describing the embodiment, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the embodiment, the detailed description will be omitted.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims.

In the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are the same as those commonly understood by one of ordinary skill in the art to which the present invention belongs. It has meaning. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the embodiments of the present invention, an ideal or excessively formal meaning not be interpreted as

The shapes, sizes, ratios, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of the present invention are illustrative, so the present invention is not limited to the details shown. In addition, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. When 'includes', 'has', 'consists of', etc. mentioned in this specification is used, other parts may be added unless 'only' is used. In the case where a component is expressed in the singular, the case including the plural is included unless otherwise explicitly stated.

In interpreting the components, even if there is no separate explicit description, it is interpreted as including the error range.

In the case of a description of a positional relationship, for example, 'on top of', 'on top of', 'at the bottom of', 'next to', etc. Or, unless 'directly' is used, one or more other parts may be located between the two parts.

When an element or layer is referred to as “on” another element or layer, it includes all cases where another element or layer is directly on top of another element or another layer or other element intervenes therebetween. Like reference numbers designate like elements throughout the specification.

The size and thickness of each component shown in the drawings are shown for convenience of description, and the present invention is not necessarily limited to the size and thickness of the illustrated components.

Each feature of the various embodiments of the present invention can be partially or entirely combined or combined with each other, and as those skilled in the art can fully understand, various interlocking and driving operations are possible, and each embodiment can be implemented independently of each other. It may be possible to implement together in an association relationship.

1 is a schematic cross-sectional view of a solar module according to an embodiment of the present invention.

Referring to FIG. 1 , a photovoltaic module (PM) applicable to a building according to an embodiment of the present invention and having aesthetics secured and efficiency improved through the implementation of a surface pattern of glass (hereinafter referred to as 'photovoltaic module (PM)') ) is the solar cell layer 1, the first protective layer 2, the second protective layer 3, the third protective layer 4, the masking layer 5, the first glass layer 6 and the second glass Layer 7 is included.

The first glass layer 6 disposed on the uppermost layer in the drawing is disposed on the entire surface of the masking layer 5 and has at least one pattern and color.

Figure 2 is a cross-sectional view showing an enlarged portion of the first glass layer according to an embodiment of the present invention, Figure 3 is a plan view showing an enlarged portion of the first glass layer according to an embodiment of the present invention.

1 to 3, the first glass layer 6 includes a first pattern 61 formed on the entire surface of the first glass layer 6 exposed to the external space, and the first glass layer 6 A second pattern 62 formed on the rear surface of and having a shape different from the first pattern 61, and a coating layer deposited on the rear surface of the first glass layer 6 and having at least one color capable of transmitting sunlight. (63) may be included.

The first glass layer 6 is a material that endures in a wide temperature range of 500-600 ° C with heat resistance, cold resistance, and weather resistance, and has a characteristic of self-extinguishing (flame retardancy) and does not spread even if a flame occurs and goes out, compared to general glass. It can be applied as a glass material with excellent durability.

The first pattern 61 may include hemispherical pattern protrusions 611 spaced apart from each other by a set interval on the plane of the first glass layer 6 . Also, the second pattern 62 may include hemispherical pattern grooves 621 spaced apart from each other by a set interval on the plane of the first glass layer 6 and disposed between the pattern protrusions 611 . In this case, the pattern grooves 621 may have a larger plane area than the pattern protrusions 611 on the plane of the first glass layer 6 .

4 is an enlarged cross-sectional view of a portion of a first glass layer according to another embodiment of the present invention.

Referring to FIG. 4 , the first glass layer 6 may further include a third pattern 64 .

The third pattern 64 is formed on the rear surface of the first glass layer 6 and is disposed at a position corresponding to the pattern protrusions 611 on the plane of the first glass layer 6, and the first pattern 61 And it may have a shape different from that of the second pattern 62 .

For example, the third pattern 64 may include hemispherical auxiliary pattern grooves 641 having a smaller plane area than the pattern protrusion 611 on the plane of the first glass layer 6 .

Referring to FIG. 1 , the masking layer 5 disposed on the rear surface of the first glass layer 6 is disposed on the front surface of the third protective layer 4 and covers the exposed area of the ribbons 12 . Through this, aesthetics may be improved.

For example, the masking layer 5 may be formed of black or a dark color so that the white ribbons 12 are not exposed to the outside, and may cover an area where the ribbons 12 are exposed. The masking layer 5 may be made of a material with high durability, high melting point, and high adhesive strength.

The third protective layer 4 disposed on the rear surface of the masking layer 5 is disposed on the front surface of the second protective layer 3 to protect the second protective layer 3 .

The second protective layer 3 disposed on the rear surface of the third protective layer 4 is disposed on the front surface of the first protective layer 2 and protects the front surface of the first protective layer 2 .

The first protective layer 2 disposed on the rear surface of the second protective layer 3 is disposed on the front and rear surfaces of the solar cell layer 1 and protects the solar cell layer 1 .

At this time, the second protective layer 3 is formed of a material different from that of the first protective layer 2, and the third protective layer 4 is formed of the same material as the first protective layer 2.

For example, the first protective layer 2 and the third protective layer 4 may be formed of an ethylene vinyl acetate material, and the second protective layer 3 may be formed of a polyethylene terephthalate material.

On the other hand, the first protective layer 2 is not necessarily formed of ethylene vinyl acetate material, and at least one of polyolefin, inomer, silicone resin, and polyvinyl butyral (PVB) It may be replaced with a material containing At this time, the inomer has a water vapor transmission rate (WVTR) of 1 g / m 2 / day or less, and the polyolefin has a water vapor transmission rate of 5 g / m 2 / day or less, and ethylene vinyl acetate (EVA ) has a moisture transmittance of approximately 20 g / m 2 / day to 40 g / m 2 / day, polyvinyl butyral (PVB) has a moisture transmittance of 30 g / m 2 / day to 50 g / m 2 / day, and silicone resin ) may have a moisture permeability of 150 g / m 2 / day or more.

5 is a cross-sectional view showing an enlarged portion of a solar cell layer according to an embodiment of the present invention.

1 and 5, the solar cell layer 1 is in contact with the solar cells 11 arranged side by side along one direction and the bus bar (not shown) provided in the solar cells 11, so that the solar cells ( 11) and ribbons 12 electrically connecting them.

The photovoltaic cells 11 overlap each other at least in part and may be disposed inclined with respect to the second glass layer 7 .

Each solar cell 11 includes a cell unit 111 electrically connected to the ribbons 12, and a housing unit accommodating the cell unit 111 therein and detachably coupled to other solar cells 11. (112).

The housing part 112 includes an accommodating groove 112A in which the cell part 111 is accommodated, a protrusion 112B overlapping the rear surface of the other solar cell 11 to support the other solar cell 11, and another It may include a groove portion 112C that overlaps the front surface of the photovoltaic cell 11 and hangs and supports a portion of another photovoltaic cell 11 .

In addition, the housing portion 112 includes a wedge-shaped coupling protrusion 113 formed at the end of the protrusion 112B and a wedge-shaped coupling groove formed in the groove portion 112C and corresponding to the coupling protrusion 113 ( 114), the first magnetic portion 115 accommodated in the coupling protrusion 113, and the second magnetic portion 116 accommodated in the coupling groove 114 and having a polarity different from that of the first magnetic portion 115. can include more.

The second glass layer 7 is disposed on the rear surface of the first protective layer 2 and protects the first protective layer 2 from the outside.

For example, the second glass layer 7 is a material that endures in a wide temperature range of 500-600 ° C with heat resistance, cold resistance, and weather resistance, and has a self-extinguishing (flame retardant) characteristic that does not spread even if a flame occurs, and extinguishes, It can be applied as a glass material with excellent durability compared to general glass.

On the other hand, the second glass layer 7 may be configured to support the photovoltaic cells 11 .

Referring to FIG. 5 , the second glass layer 7 may include support pillars 71 supporting the photovoltaic cells 11 .

The support pillars 71 protrude from the front surface of the second glass layer 7 and are disposed obliquely with respect to the front surface of the second glass layer 7, and a part supports the rear surface of the photovoltaic cells 11, and the other A portion may be configured to support a stepped portion of the photovoltaic cells 11 .

Specifically, the support pillar 71 supports the rear surface of the solar cell 11, and the first support surface 711 parallel to the rear surface of the solar cell 11 and the solar cell 11 It may include a second support surface 712 that supports the side surface and is parallel to the side surface of the photovoltaic cell 11 .

As described above, according to the embodiment of the present invention, since the patterns 61, 62, and 64 are formed on the first glass layer 6 disposed in front of the solar cell 11, the solar cell 11 due to diffuse reflection The amount of sunlight incident on the surface is maximized, so output is improved and aesthetics can be maximized.

In addition, since the photovoltaic cells 11 are implemented as half-cutting cells, the internal current of the photovoltaic cell 11 is reduced by half, thereby lowering resistance loss, thereby minimizing output loss and per unit area of the cell. more power can be produced.

In addition, since the photovoltaic cells 11 are sequentially arranged in a partially overlapped structure, gaps between the photovoltaic cells 11 can be minimized, thereby maximizing power generation efficiency.

Although the embodiments of the present invention have been described in more detail with reference to the accompanying drawings, the present invention is not necessarily limited to these embodiments, and may be variously modified and implemented without departing from the technical spirit of the present invention. . Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The protection scope of the present invention should be construed according to the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

Therefore, other implementations, other embodiments, and equivalents of the claims are within the scope of the following claims.

PM. Solar module 1. Solar cell layer
11. Solar cell 111. Cell unit
112. Housing section 112A. receiving groove
112B. Projection 112C. home part
113. Coupling protrusion 114. Coupling groove
115. First magnetic part 116. Second magnetic part
12. Ribbons 2. First protective layer
3. Second protective layer 4. Third protective layer
5. Masking layer 6. First glass layer
61. First pattern 611. Pattern projection
62. Second pattern 621. Pattern groove
63. Coating layer 64. Third pattern
641. Secondary pattern grooves 7. Second glass layer
71. Support column 711. First support surface
712. Second support surface

Claims (10)

a solar cell layer 1 including photovoltaic cells 11 and ribbons 12 electrically connecting the photovoltaic cells 11;
A first protective layer (2) disposed on the front and rear surfaces of the solar cell layer (1) to protect the solar cell layer (1);
a second protective layer (3) disposed on the entire surface of the first protective layer (2) and formed of a material different from that of the first protective layer (2);
a third protective layer 4 disposed on the entire surface of the second protective layer 3 and made of the same material as the first protective layer 2;
a masking layer (5) disposed on the entire surface of the third protective layer (4) to cover a region where the ribbons (12) are exposed;
a first glass layer 6 disposed on the entire surface of the masking layer 5 and having at least one pattern and color; and
A photovoltaic module (PM) that is applicable to buildings, including a second glass layer (7) disposed on the rear surface of the first protective layer (2) and has improved aesthetics and efficiency through the realization of a surface pattern of glass .
According to claim 1,
The first glass layer 6,
a first pattern 61 formed on the entire surface of the first glass layer 6 exposed to an external space;
a second pattern 62 formed on the rear surface of the first glass layer 6 and having a shape different from that of the first pattern 61; and
A coating layer 63 deposited on the rear surface of the first glass layer 6 and having at least one color through which sunlight can pass through; This improved photovoltaic module (PM).
According to claim 2,
The first protective layer 2 and the third protective layer 4 are formed of ethylene vinyl acetate material,
The second protective layer (3) is formed of a polyethylene terephthalate material, is applicable to buildings and has improved aesthetics and efficiency through the implementation of the surface pattern of glass (PM).
According to claim 1,
The solar cells 11,
A photovoltaic module (PM) having at least a portion overlapped with each other and disposed obliquely with respect to the second glass layer (7), applicable to buildings and having improved aesthetics and efficiency through the realization of a surface pattern of glass.
According to claim 4,
The solar cell 11,
cell portion 111;
An accommodating groove 112A in which the cell unit 111 is accommodated, a protrusion 112B overlapping the rear surface of another solar cell 11 to support the other solar cell 11, and another solar cell ( 11) a housing portion 112 overlapping the front surface and having a groove portion 112C in which a portion of the other photovoltaic cell 11 is hung and supported; and
A wedge-shaped coupling protrusion 113 formed at an end of the protrusion 112B;
a coupling groove 114 formed in the groove 112C and having a wedge shape corresponding to the coupling protrusion 113;
a first magnetic part 115 accommodated in the coupling protrusion 113; and
A second magnetic part 116 accommodated in the coupling groove 114 and having a polarity different from that of the first magnetic part 115; applicable to buildings, including, securing aesthetics through the realization of a surface pattern of glass, and Solar modules (PM) with improved efficiency.
According to claim 4,
The second glass layer 7,
It protrudes from the front surface of the second glass layer 7 and is disposed obliquely with respect to the front surface of the second glass layer 7, a part supports the rear surface of the solar cells 11, and the other part supports the solar cells 11. A photovoltaic module (PM) that is applicable to buildings and has improved aesthetics and efficiency through the implementation of a surface pattern of glass, including support pillars 71 configured to support stepped portions of the photocells 11 .
According to claim 6,
The support pillar 71,
A first support surface 711 supporting the rear surface of the photovoltaic cell 11 and being parallel to the rear surface of the photovoltaic cell 11; and
A second support surface 712 supporting the side surface of the photovoltaic cell 11 and being parallel to the side surface of the photovoltaic cell 11; Photovoltaic module (PM) with improved aesthetics and improved efficiency.
According to claim 2,
The first pattern 61,
Including; hemispherical pattern protrusions 611 spaced apart from each other by a first interval on the plane of the first glass layer 6;
The second pattern 62,
Hemispherical pattern grooves 621 spaced apart from the plane of the first glass layer 6 by the first distance and disposed between the pattern protrusions 611; applicable to buildings and glass Photovoltaic module (PM) with improved aesthetics and efficiency through surface pattern implementation.
According to claim 8,
On the plane of the first glass layer 6, the pattern grooves 621 have a larger plane area than the pattern protrusions 611, and can be applied to buildings, and aesthetics and efficiency are improved through the realization of the surface pattern of glass. photovoltaic modules (PM).
According to claim 9,
The first glass layer 6,
It is formed on the rear surface of the first glass layer 6 and is disposed at a position corresponding to the pattern protrusions 611 on the plane of the first glass layer 6, and the first pattern 61 and the first It further includes; a third pattern 64 having a different shape from the second pattern 62;
The third pattern 64 is
Hemispherical auxiliary pattern grooves 641 having a smaller plane area than the pattern protrusions 611 on the plane of the first glass layer 6; applicable to buildings, including, through surface pattern implementation of glass Photovoltaic module (PM) with improved aesthetics and improved efficiency.

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