Corrosive liquid, and preparation method and application thereof

A technology for corrosive liquids and substrates, which can be used in chemical instruments and methods, final product manufacturing, surface etching compositions, etc., and can solve problems such as corrosion and narrow application range.

Inactive Publication Date: 2021-05-18
CSI CELLS CO LTD +1
View PDF12 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] CN109553305A discloses a glass corrosion solution, which is composed of phosphate, pyrophosphate, inorganic alkali, surfactant and deionized water, and its weight fractions are: phosphate accounts for 0.5% to 8%, pyrophosphate accounts for 0.5 % to 8%, inorganic bases account for 0.01% to 0.5%, surfactants account for 5 to 45%, deionized water accounts for 30 to 95%, and contain 20-99% by weight of potassium difluoride and 1-80% by weight of at least A water-soluble polyvalent cation salt; the glass corrosion solution has a good corrosion effect on glass, but its appl

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Corrosive liquid, and preparation method and application thereof
  • Corrosive liquid, and preparation method and application thereof
  • Corrosive liquid, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] This embodiment provides a kind of corrosion solution, comprises the potassium hydroxide of 2.6%, the potassium sorbate of 0.05%, the sodium acetate of 0.05%, the sodium dodecylbenzene sulfate of 0.05%, the defoamer of 0.5% (model LJ-618, manufacturer Beijing Ruilangjie), 0.2% surfactant (model ZJ-821, manufacturer Guangzhou Zhijing), 0.12% dispersant (model ZJ-855, manufacturer Guangzhou Zhijing) and the rest of the water .

[0054] The preparation method of the corrosion solution is as follows: stirring and mixing the above raw materials to obtain the corrosion solution.

[0055] This embodiment also provides a substrate layer, such as figure 1 As shown, it includes an N-type base layer 100, an emitter layer 101 and a borosilicate glass layer 102 arranged in sequence on the front side of the N-type base layer, and a pyramid-shaped suede surface 103 arranged on the back side of the N-type base layer, and the suede surface is It is formed by etching with the above-men...

Embodiment 2

[0062] This embodiment provides a kind of corrosion solution, comprises the potassium hydroxide of 2.4%, the potassium sorbate of 0.105%, the sodium acetate of 0.015%, the sodium dodecylbenzene sulfate of 0.075%, the defoamer of 0.105% (Model LQ-0907, manufactured by Tianjin Kailangqi), 0.36% surfactant (model FP415, manufactured by Guangzhou Runhong), 0.066% dispersant (model 5027, manufactured by Runxin Chemical) and the rest of water.

[0063] The preparation method of the corrosion solution is as follows: stirring and mixing the above raw materials to obtain the corrosion solution.

[0064] This embodiment also provides a substrate layer, including an N-type substrate layer, an emitter layer and a borosilicate glass layer arranged in sequence on the front side of the N-type substrate layer, and a pyramid-shaped suede surface arranged on the back side of the N-type substrate layer , the suede is formed by etching with the above-mentioned corrosive solution.

[0065] The pr...

Embodiment 3

[0068] This embodiment provides a kind of corrosion solution, comprises the potassium hydroxide of 3%, the potassium sorbate of 0.0195%, the sodium acetate of 0.1%, the sodium dodecylbenzene sulfate of 0.012%, the antifoaming agent of 0.31% (Model LJ-618, manufacturer Beijing Ruilangjie), 0.105% surfactant (model FP415, manufacturer Guangzhou Runhong), 0.195% dispersant (model ZJ-855, manufacturer Guangzhou Zhijing) and the rest of water.

[0069] The preparation method of the corrosion solution is as follows: stirring and mixing the above raw materials to obtain the corrosion solution.

[0070] This embodiment also provides a substrate layer, including an N-type substrate layer, an emitter layer and a borosilicate glass layer arranged in sequence on the front side of the N-type substrate layer, and a pyramid-shaped suede surface arranged on the back side of the N-type substrate layer , the suede is formed by etching with the above-mentioned corrosive solution.

[0071] The p...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to view more

Abstract

The invention provides a corrosive liquid, and a preparation method and application thereof. The corrosive liquid is prepared from, by mass, 0.5-4.5% of alkali, 0.01-0.225% of potassium sorbate, 0.01-0.225% of sodium acetate, 0.005-0.15% of sodium dodecyl benzene sulfate, 0.055-0.46% of a de-foaming agent, 0.055-0.78% of a surfactant, 0.035-0.42% of a dispersing agent, 0.47-4.42% of a functional auxiliary agent, and the balance of water. When the corrosive liquid is used for preparing a substrate layer, the corrosive liquid can control the back surface of a substrate to form a relatively uniform pyramid-shaped suede, can ensure that an emitter layer on the front surface of the substrate is not damaged, and can control the size of the pyramid to keep a relatively low pyramid-shaped height-width ratio, so that the specific surface area of the suede on the back surface is reduced, the back surface passivation is facilitated, and the composition is reduced; and the solar energy conversion efficiency of the N-type contact cell is improved.

Description

technical field [0001] The invention belongs to the field of corrosion, and relates to a corrosion solution and a preparation method and application thereof. Background technique [0002] Corrosion refers to the chemical reaction on the surface of a substance when it is in contact and is destroyed. Although corrosion can cause damage to the surface of a substance to a certain extent, everything always has two sides. If the corrosion process is applied to a suitable field and a suitable environment Among them, it will play a corresponding role in our life and industrial production; such as corroding glass, you can get glass with specific patterns, such as metallographic corrosion, it can be used to prepare alloys, or you can use corrosion The principle is used to remove unwanted impurities or obtain substances needed by humans. [0003] CN109553305A discloses a glass corrosion solution, which is composed of phosphate, pyrophosphate, inorganic alkali, surfactant and deionized...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C09K13/02C30B29/06C30B33/10H01L31/0236H01L31/18
CPCC09K13/02C30B29/06C30B33/10H01L31/02366H01L31/1804Y02E10/547Y02P70/50
Inventor 张临安邓伟伟
Owner CSI CELLS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap