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Solar cells, solar panels and solar chargers

A solar cell and solar panel technology, applied in the field of solar power generation, can solve problems such as lower product yield, complex solar cell operation process, fragmentation, etc., to reduce difficulty and process complexity, perfect product appearance, and reduce product cost Effect

Inactive Publication Date: 2018-05-01
TAINERGY TECH KUNSHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, it is mainly to obtain small solar cells (that is, solar cell units 13) by first preparing large solar cells, and then cutting the large solar cells (that is, the entire solar cells 11). Limitation will cause defects such as fragments during the above cutting operation, which will greatly reduce the yield of the product; at the same time, since the small solar cells are covered with paste around the periphery, it will greatly increase the electrical properties of the small solar cells after cutting and separation. The probability of abnormality, and the subsequent operation process of connecting small solar cells in series to form solar cells is relatively complicated, which will further reduce the yield of products and increase the cost of manufacturing

Method used

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  • Solar cells, solar panels and solar chargers
  • Solar cells, solar panels and solar chargers
  • Solar cells, solar panels and solar chargers

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Embodiment Construction

[0037] In an embodiment of the present application, a solar cell may include: a silicon substrate (such as a P-type silicon substrate), having a front surface and a back surface opposite to the front surface; on the front surface of the silicon substrate; the main gate line is arranged on the front surface of the silicon substrate and is electrically connected to each of the sub-gate lines, and the extension direction of the main gate line can be connected with the sub-gate The extension directions of the lines are not parallel, for example, the angle between the extension directions in the same direction is less than 90 degrees and greater than 0 degrees; the back electrode is arranged on the back surface of the silicon substrate; wherein, the extension direction of the back electrode The angle between the extension direction of the sub-gate line and the sub-gate line is less than 90 degrees. Preferably, the extension direction of the back electrode and the extension direction...

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Abstract

The invention relates to the technical field of solar power generation, in particular to a polysilicon solar cell, a solar cell panel and a solar charger. By connecting the solar cells in series on the same substrate, the solar charger can meet the load requirement while reducing the The difficulty of preparation and the complexity of the process greatly reduce the cost of the product and effectively improve the yield of the product.

Description

technical field [0001] The invention relates to the technical field of solar power generation, in particular to a polycrystalline silicon solar cell, a solar cell panel and a solar charger. Background technique [0002] Solar chargers are used to charge loads such as digital products (such as mobile phones, PCs, smart watches, etc.) by converting light energy into electrical energy and storing it in batteries; among them, solar chargers can include solar photovoltaic cells, batteries and regulators. Parts such as the voltage element, that is, the solar photovoltaic cell converts the received light energy into electrical energy, and charges the battery through the voltage regulating element, and then uses the battery with stored electrical energy to charge the load. [0003] Since all kinds of loads have certain electrical specifications, and the power required by them is much higher than that provided by a single solar cell unit (for example, a single 156mm*156mm solar cell ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/0224H01L31/042H02J7/00
CPCY02E10/50
Inventor 储凤舞张小刚童锐王柏钧杨大谊
Owner TAINERGY TECH KUNSHAN