Solar cell assembly

A solar cell module and solar cell technology, applied in the field of solar cells, can solve the problems of large hidden danger of debris and high cost of solar cell modules, and achieve the effects of low debris rate, omitting bending process and reducing cost.

Active Publication Date: 2015-04-08
ENN SOLAR ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a solar cell module, which is used to solve the technical problems in the prior

Method used

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Examples

Experimental program
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Example Embodiment

[0054] Example 1

[0055] Such as Figure 5A The illustrated embodiment of the present invention provides a solar cell module, including N rows and M columns of solar cells, the solar cells in each row are connected in series; among the N rows of solar cells, at least K rows of solar cells have the following structure:

[0056] Two adjacent solar cells in a row of solar cells form a group, and each group of solar cells includes a first solar cell and a second solar cell. Among them, the first solar cell and the second solar cell in at least one group have the front poles Sex opposite (e.g. Figure 5A The front side of the first solar cell is the positive electrode, the front side of the second solar cell is the negative electrode, and the first solar cell and the second solar cell in the group are provided with a bus belt (such as Figure 5A The first solar cell and the second solar cell are provided with a busbar on the front side), the busbar is connected in series with the first ...

Example Embodiment

[0086] Example 2

[0087] Such as Image 6 The first solar cell module shown includes solar cells in N rows and M columns, and the solar cells in each row are connected in series; the first solar cells in the first column to the c-th column in each row are adjacent to each other in pairs And the second solar cell constitute the c-1 group of solar cells, the first solar cell and the second solar cell in each group of solar cells have opposite polarities, and the first solar cell and the second solar cell in the group have opposite polarities. A busbar is arranged on the front or back, and the busbar is connected in series with the first solar cell and the second solar cell in the group, wherein 1 2.

[0088] For the manner in which the busbars connect the first solar cell and the second solar cell in each group in series, see Example 1, which will not be repeated here.

[0089] The above structure of the solar cell module makes the busbar only need to be arranged on the same side of...

Example Embodiment

[0090] Example 3

[0091] Such as Figure 7 The second type of solar cell module shown includes solar cells in N rows and M columns. The solar cells in each row are connected in series; the first solar cells in the d-th column to the M-th column in each row are adjacent to each other. It forms an Md group solar cell with the second solar cell. The first solar cell and the second solar cell in each group have opposite polarities, and the first solar cell and the second solar cell in the group have the front side or A bus belt is arranged on the back side, and the bus belt is connected in series with the first solar cell and the second solar cell in the group, where 1 2.

[0092] For the manner in which the busbars connect the first solar cell and the second solar cell in each group in series, see Example 1, which will not be repeated here.

[0093] The above-mentioned structure of the solar cell module makes the busbar only need to be arranged on the same side of the solar cells fro...

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Abstract

The invention discloses a solar cell assembly, which comprises N lines and M rows of solar cells, wherein the solar cells in each line are serially connected, and at least K lines of N lines of solar cells have the following structure that every two adjacent solar cells in one line of solar cells form one group, each group of solar cells comprises a first solar cell and a second solar cell, the polarities of the front sides of the first solar cell and the second solar cell in at least one group are opposite, bus bars are arranged at the front sides or the back sides of the first solar cell and the second solar cell in the corresponding group, the first solar cell and the second solar cell in the corresponding group are serially connected by the bus bars, and the bus bars only need to be arranged at the front sides or the back sides of the adjacent first solar cell and the second solar cell in the corresponding group. The solar cell assembly has the advantages that the bending of the bus bars is avoided, the loss of the bus bars is reduced, and the fragment rate of the solar cell assembly is reduced.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a solar cell assembly. Background technique [0002] A heterojunction solar cell is a heterojunction solar cell that combines amorphous silicon and single crystal silicon. The manufacturing process of heterojunction solar cells is a low-temperature process. The general process temperature is below 300°C, and the thickness ranges from tens of microns to hundreds of microns. It can be made into a single-sided structure or a symmetrical double-sided structure. . [0003] The manufacturing process of traditional heterojunction solar cell modules mainly includes two important steps: welding (single welding, string welding) and packaging. For example, in the N-type heterojunction solar cell module with the positive electrode on the front and the negative electrode on the back, in the current conventional serial welding process, the bus strip is first welded to the main grid elect...

Claims

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Application Information

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IPC IPC(8): H01L31/05
CPCY02E10/50H01L31/0504
Inventor 郑向阳徐湛杨荣李立伟孟原郭铁
Owner ENN SOLAR ENERGY
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