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Module and system for solar electricity generation

A solar and battery technology, applied in photovoltaic power generation, circuits, electrical components, etc., can solve the problems of inability to configure modules, difficult setting operations, crystal loss, etc., to achieve the effects of reducing losses, easy setting operations, and improving the module configuration rate

Active Publication Date: 2007-07-25
SHIN ETSU CHEM IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this method, since the disc-shaped semiconductor single crystal wafer is cut and formed into a quadrangular shape, there is a problem that crystal loss in an arcuate shape occurs.
Even if it is set in small blocks, if the total 12m 2 If the solar power generation system of the unit is set on the roof, there will often be a dead zone where modules cannot be configured (non-configurable parts)
Furthermore, one module weighs 15kg, making it difficult to install on the roof

Method used

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  • Module and system for solar electricity generation
  • Module and system for solar electricity generation
  • Module and system for solar electricity generation

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Embodiment Construction

[0042] Hereinafter, the present invention will be described in detail with reference to the drawings as appropriate.

[0043] A first aspect of the present invention relates to a module for photovoltaic power generation, which is constituted by congruent arcuate cells.

[0044] A second aspect of the present invention relates to a photovoltaic power generation system comprising the above-mentioned module and an inverter.

[0045] The module for solar power generation is manufactured through a process of manufacturing a single crystal wafer as a substrate, a process of manufacturing cells (cells) for solar power generation, and a process of arranging the cells to form a module. Therefore, the following steps will be described in order of these steps, and the structure of the module will be described.

[0046] A brief description will be given of the single crystal wafer serving as the substrate. A silicon single crystal wafer is used as a wafer for photovoltaic power generatio...

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Abstract

The aim of the invention is to provide a sunlight power generating module which has no loss of the circular monocrystaline wafer and can highly uses the arc battery that is not effectively utilized to this day and a sunlight power generating system using the module, a sunlight power generating module which provides high actuating electric voltage (''area voltage'') in each unit area and the sunlight power generating system using the module, a sunlight power generating module which can increase the configuration ratio of the module relative to the effective setting area of the residence roof and the sunlight power generating system using the module. The sunlight power generating module is composed of arc battery divided by the circular monocrystaline sunlight power generating battery, the arc battery has an arc with neutral angle 90 degrees, a grill orthogonal with the string and more than one generatrix orthogonal with the grill, and the arc battery is arranged to grill shape, and the sunlight power generating module is characterized in that the 14-42 pieces of arc battery with area 28-65cm<2> are arranged.

Description

technical field [0001] The invention relates to a solar power generation module and a solar power generation system formed by arranging a plurality of monocrystalline silicon solar power generation cells. Background technique [0002] Until now, cells for photovoltaic power generation (also called "solar cells" or "batteries") have been manufactured from rectangular polycrystalline silicon wafers obtained by slicing rectangular parallelepiped polycrystalline silicon ingots. Solar cells using semiconductor single crystal silicon wafers have higher energy conversion efficiency than solar cells using polycrystalline silicon or amorphous silicon. In addition, single crystal silicon wafers are also relatively cheap, so they will become the main force of popular solar cells in the future. At this time, a solar cell is manufactured using a disk-shaped wafer obtained by slicing a cylindrical ingot. [0003] For example, a semiconductor single crystal obtained by Czochralski single ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/042H01L31/0352H01L31/048
CPCY02E10/50Y02B10/12
Inventor 阿部孝夫石川直挥
Owner SHIN ETSU CHEM IND CO LTD
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