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A silicon-based solar cell and its preparation method and preparation device

A technology of solar cells and solar cells, applied in the field of solar cells, can solve the problems affecting the development of silicon-based solar cells, cumbersome operation, high cost, etc., and achieve the effects of improving quantum efficiency and short-circuit current density, simple operation method, and low cost

Active Publication Date: 2016-08-10
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods are cumbersome and costly, which may affect the future development of silicon-based solar cells.

Method used

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  • A silicon-based solar cell and its preparation method and preparation device
  • A silicon-based solar cell and its preparation method and preparation device
  • A silicon-based solar cell and its preparation method and preparation device

Examples

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Effect test

Embodiment 1

[0032] A method for preparing a silicon-based solar cell, comprising the steps of:

[0033] 1) Preparation of reaction solution: 0.01mol / L silver nitrate aqueous solution and a 0.007mol / L reducing reagent solution capable of reacting with silver nitrate aqueous solution to form silver elemental particles are prepared after mixing with a volume ratio of 1:50 to obtain a reaction solution Solution; In this example, sodium citrate solution was used as reducing agent solution.

[0034] 2) Preparation of metal particles: attach the anodized aluminum template with ordered pores on the surface of the silicon-based solar cell, heat the silicon-based solar cell with the template to 100°C, and use the Heating device, and a spraying device 4 for spraying the reaction solution onto the heated silicon-based solar cell sheet, and a preparation device for a silicon-based solar cell of a holding device for containing the etching solution, spraying the reaction solution to the anodic oxidation...

Embodiment 2

[0042] A method for preparing a silicon-based solar cell, comprising the steps of:

[0043] 1) Preparation of reaction solution: 0.001mol / L gold tetrachlorate aqueous solution and a kind of 0.1mol / L reducing agent solution that can react with gold tetrachlorate aqueous solution to generate gold elemental particles are mixed in a volume ratio of 1:300 Afterwards, the reaction solution is prepared; sodium borohydride solution is used as the reducing agent solution in this example.

[0044] 2) Preparation of metal particles: attach a polycarbonate template with ordered pores to the surface of a silicon-based solar cell, heat the silicon-based solar cell with the template to 200°C, and use a Heating device, and a spraying device 4 for spraying the reaction solution onto the heated silicon-based solar cell sheet, and a preparation device for a silicon-based solar cell of a holding device for containing the etching solution, spraying the reaction solution onto the polycarbonate On ...

Embodiment 3

[0049] A method for preparing a silicon-based solar cell, comprising the steps of:

[0050] 1) Preparation of reaction solution: prepare by mixing 0.05mol / L copper chloride aqueous solution and a 0.05mol / L reducing reagent solution capable of reacting with copper chloride aqueous solution to form copper elemental particles at a volume ratio of 1:1 A reaction solution is obtained; sodium borohydride solution is used as the reducing agent solution in this example.

[0051] 2) Preparation of metal particles: attach a polypropylene template with ordered pores to the surface of a silicon-based solar cell, heat the silicon-based solar cell to 30°C, use a heating device including 5 for heating the silicon-based solar cell, and use A spraying device 4 for spraying the reaction solution onto the heated silicon-based solar cells, and a silicon-based solar cell preparation device for containing the etching solution, spraying the reaction solution onto the polypropylene template; removing...

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Abstract

The invention relates to a manufacture method of a silicon solar battery. The manufacture method includes the followings steps of (1) preparing a reaction; mixing an aqueous solution of metal salt with a reduction reagent solution which can be reacted with the aqueous solution of metal salt to generate metal particles so as to obtain a reaction solution; (2) preparing the metal particles: covering a template with ordered holes on the surface of a silicon solar battery piece; heating the silicon solar battery piece covered by the template to 30 DEG C to 500 DEG C, and spraying the reaction solution to the template; removing the template with the metal particles in the holes of the template remaining on the surface of the battery; (3) etching the silicon solar battery piece: immersing the silicon solar battery piece with the metal particles formed on the surface into an etch solution, and immersing the etched silicon solar battery piece into a solution which can dissolve the metal particles to remove the particle particles so as to obtain the silicon solar battery. A manufacture device of the silicon solar battery comprises a heating device, a spraying device and an accommodating device.

Description

technical field [0001] The invention belongs to the technical field of solar cells, and in particular relates to a silicon-based solar cell, a preparation method and a preparation device thereof. Background technique [0002] Recently, with the development of research and production technology, solar cells will play a major role in the field of traditional energy. The current market mainly includes silicon-based solar cells, multi-component compound thin-film solar cells, and organic dye-sensitized solar cells. Among them, silicon-based solar cells have become the leading product of solar cells due to their advantages in raw material reserves, maintaining a market share of more than 80%. Compared with other types of solar cells, its scientific research and production are relatively mature and stable, and its photoelectric conversion efficiency is relatively high. In the next few years, the huge demand for photovoltaic power generation in various countries around the world w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/04H01L31/18
CPCH01L31/02363Y02E10/50Y02P70/50
Inventor 刘生忠刘雅慧
Owner SHAANXI NORMAL UNIV
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