阅读说明：本技术 一种柱状光伏芯片及包含其的光伏组件 (Columnar photovoltaic chip and photovoltaic module comprising same ) 是由 赵兴武 于 2018-08-02 设计创作，主要内容包括：本发明提供了一种柱状光伏芯片及包含其的光伏组件,涉及太阳能电池技术领域。柱状光伏芯片,包括：透光的柱体,所述柱体包括相对的第一端面和第二端面、以及设置在所述第一端面和所述第二端面之间的侧壁,所述侧壁上设置有光伏发电层。改变原有的平面或平曲面布局,所述光伏发电层分布于柱体的侧壁,所述柱体的两端可以透光,透光性好；柱体的设置在空间上形成三维立体分布,在一定的半径范围内,有效增加所述柱体的长度,其发电涂层的面积与同一半径范围内的平面光伏组件相比可成倍增加,有效提升光伏芯片的光照利用面积从而提升光伏性能。(The invention provides a columnar photovoltaic chip and a photovoltaic module comprising the same, and relates to the technical field of solar cells. A columnar photovoltaic chip, comprising: the light-transmitting column comprises a first end face, a second end face and a side wall, wherein the first end face and the second end face are opposite to each other, the side wall is arranged between the first end face and the second end face, and a photovoltaic power generation layer is arranged on the side wall. The original plane or flat-curved surface layout is changed, the photovoltaic power generation layer is distributed on the side wall of the column body, and the two ends of the column body can transmit light and have good light transmittance; the cylinder sets up and forms three-dimensional spatial distribution in the space, in certain radius range, effectively increases the length of cylinder, and the area of its electricity generation coating compares with the plane photovoltaic module in same radius range can the double increase, thereby effectively promotes the illumination utilization area of photovoltaic chip and promotes photovoltaic performance.)

1. A columnar photovoltaic chip, comprising: the light-transmitting column comprises a first end face, a second end face and a side wall, wherein the first end face and the second end face are opposite to each other, the side wall is arranged between the first end face and the second end face, and a photovoltaic power generation layer is arranged on the side wall.

2. The columnar photovoltaic chip of claim 1, wherein the first end surface is configured as a convex curved surface, and the second end surface is configured as a concave curved surface.

3. The columnar photovoltaic chip as recited in claim 2, wherein a margin is provided on the outer surface of the sidewall adjacent to the second end surface, and an insulating coating is provided on the margin.

4. The columnar photovoltaic chip according to any one of claims 1 to 3, wherein the photovoltaic power generation layer comprises from inside to outside: transparent conducting layer and film power generation coating.

5. A photovoltaic module comprising a plurality of photovoltaic chips in the form of columns as claimed in any one of claims 1 to 4, wherein a plurality of said photovoltaic chips are connected.

6. The photovoltaic module of claim 5, further comprising: the photovoltaic chip is arranged on the first packaging plate.

7. The photovoltaic module of claim 6, further comprising: the photovoltaic chip is positioned between the second packaging plate and the first packaging plate, and the photovoltaic chip, the first packaging plate and the second packaging plate are fixed through hot melt adhesive.

8. The photovoltaic module according to claim 7, wherein the adjacent photovoltaic chips are encapsulated by filling with hot melt adhesive.

9. The photovoltaic module of claim 7, wherein the second end surface and the first encapsulant sheet are filled with a gas therebetween.

10. The photovoltaic module according to claim 6, wherein a transparent conductive layer is further disposed on a side of the first encapsulating plate close to the photovoltaic chip, or the photovoltaic power generation layer is further disposed on a side of the first encapsulating plate close to the photovoltaic chip.

11. The photovoltaic module according to claim 8, wherein the refractive indexes of the second packaging plate, the hot melt adhesive and the column are sequentially increased.

Technical Field

The invention relates to the technical field of solar cells, in particular to a columnar photovoltaic chip and a photovoltaic module comprising the same.

Background

Current photovoltaic product power generation structure is mostly plane or flat curved surface, and light shines direct action in the electricity generation chip, has restricted the illumination utilization of electricity generation chip in effectual area, and the light source that can not absorb will reflect back, can not pass photovoltaic module and realize the printing opacity effect. The current thin-film photovoltaic chips are not used in a three-dimensional state. The photovoltaic module is provided for solving the problems of small area limitation, illumination utilization and poor light transmission effect of the photovoltaic module in the prior art.

Disclosure of Invention

The invention provides a columnar photovoltaic chip and a photovoltaic module comprising the same, and aims to solve the problems that the photovoltaic module in the prior art is small in area, light utilization is limited, and the light transmission effect is poor.

In a first aspect, the present invention provides a pillar-shaped photovoltaic chip, comprising: the light-transmitting column comprises a first end face, a second end face and a side wall, wherein the first end face and the second end face are opposite to each other, the side wall is arranged between the first end face and the second end face, and a photovoltaic power generation layer is arranged on the side wall.

According to the columnar photovoltaic chip provided by the invention, the original plane or flat-curved surface layout is changed, the photovoltaic power generation layer is distributed on the side wall of the column body, and the two ends of the column body can transmit light and have good light transmittance; the cylinder sets up and forms three-dimensional spatial distribution in the space, in certain radius range, effectively increases the length of cylinder, and the area of its electricity generation coating compares with the plane photovoltaic module in same radius range can the double increase, thereby effectively promotes the illumination utilization area of photovoltaic chip and promotes photovoltaic performance.

Further, in a preferred embodiment of the present invention, the first end surface is configured as a convex curved surface, and the second end surface of the cylinder is configured as a concave curved surface.

Further, in a preferred embodiment of the present invention, a circle of reserved area is arranged on the outer surface of the side wall at one end close to the second end face, and an insulating coating is arranged at the reserved area.

Further, in a preferred embodiment of the present invention, the photovoltaic power generation layer includes, from inside to outside: transparent conducting layer and film power generation coating.

In a second aspect, the invention provides a photovoltaic module comprising a columnar photovoltaic chip as described in any one of the above.

According to the photovoltaic module provided by the invention, through the arrangement of the columnar photovoltaic chip, a certain light transmission effect can be achieved, and the photovoltaic characteristic can be realized.

Further, in a preferred embodiment of the present invention, the method further comprises: the photovoltaic chip is arranged on the first packaging plate.

Further, in a preferred embodiment of the present invention, the method further comprises: the photovoltaic chip is positioned between the second packaging plate and the first packaging plate, and the photovoltaic chip, the first packaging plate and the second packaging plate are fixed through hot melt adhesive.

Further, in a preferred embodiment of the present invention, a hot melt adhesive is used for filling and encapsulating between adjacent photovoltaic chips.

Further, in a preferred embodiment of the present invention, a gas is filled between the second end face and the first package plate.

Further, in a preferred embodiment of the present invention, a transparent conductive layer is further disposed on a side of the first encapsulating plate close to the photovoltaic chip, or the photovoltaic power generation layer is further disposed on a side of the first encapsulating plate close to the photovoltaic chip.

Further, in a preferred embodiment of the present invention, the refractive indexes of the second packaging plate, the hot melt adhesive and the column are sequentially increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic plan view of a photovoltaic module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present invention;

FIG. 3 is a schematic view of vertical light scattering in a pillar-shaped photovoltaic chip according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of scattering of oblique rays in a pillar-shaped photovoltaic chip according to an embodiment of the present invention;

reference numerals:

1-column body

11-first end face

12-second end face

13-silica glass

2-photovoltaic power generation layer

21-transparent conductive layer

22-thin film power generation coating

3-insulating coating

4-first package board

5-second package plate

6-EVA colloid

7-ray of light

8-total reflection region

Detailed Description

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.