Unlock instant, AI-driven research and patent intelligence for your innovation.

Composition for forming solar cell electrode and electrode prepared using the same

A technology of solar cells and compositions, applied to compounds of elements of group 4/14 of the periodic table, organic silicon compounds, conductive materials dispersed in non-conductive inorganic materials, etc., which can solve the problem of increasing series resistance and reducing electrode cross-sectional area And other issues

Active Publication Date: 2018-08-17
CHANGZHOU JUHE NEW MATERIAL CO LTD
View PDF6 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it is possible to reduce shadowing by reducing the electrode line width, simply reducing the electrode line width may result in a decrease in the cross-sectional area of ​​the electrodes and thus increase the series resistance

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
  • Composition for forming solar cell electrode and electrode prepared using the same

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0057] To the binder solution was added as an organic binder 0.5 wt% ethyl cellulose fully dissolved in 6.4 wt% lauryl ester (Eastman Chemical Company) at 60°C (STD4, Dow Chemical Company), and 89.0 wt% spherical silver powder having an average particle diameter of 2.0 μm (AG-5-11F, Dowa Hightech Co., Ltd.) , 2.5 wt % Bi-Te-Zn-Li-O-based glass frit prepared using the components listed in Table 1 (average particle size: 1.0 μm. Glass transition temperature: 273° C.), as cyclosiloxane 0.8wt% hexamethylcyclotrisiloxane (H0725, Tokyo Chemical Industry), 0.4wt% dispersant BYK102 (BYK-chemie) and 0.4wt% thixotropic Thixatrol ST (Elementis Co., Ltd.), followed by mixing and kneading in a 3-roll kneader, to prepare a composition for solar cell electrodes.

[0058] Table 1

[0059]

example 2

[0061] A composition for a solar cell electrode was prepared in the same manner as in Example 1, except that octamethylcyclotetrasiloxane (O0142, Tokyo Chemical Industry) was used as the cyclosiloxane compound.

example 3

[0063] A composition for a solar cell electrode was prepared in the same manner as in Example 1, except that decamethylcyclopentasiloxane (D1890, Tokyo Chemical Industry) was used as the cyclosiloxane compound.

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
The average particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a composition for forming solar cell electrode and an electrode prepared using the same. The composition for solar cell electrodes comprises the following components: a conductive powder; a glass frit; at least one of a cyclosiloxane compound and a silsesquioxane compound; and an organic vehicle. The composition has a low rate of change in area of the electrode after bakingand thus can exhibit excellent workability and reliability when used for manufacturing an electrode, and has excellent electrical properties, such as contact resistance, series resistance, open circuit voltage after baking; and high efficiency is also provided.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Application No. 10-2017-0017907 filed on February 9, 2017, the entire disclosure of which is incorporated herein by reference. technical field [0003] The present invention relates to a composition for solar cell electrodes and electrodes prepared using the same. Background technique [0004] A silicon-based solar cell includes a substrate formed of a p-type silicon semiconductor and an emitter layer formed of an n-type silicon semiconductor. A p-n junction is formed between the p-type substrate and the n-type emitter layer. When sunlight enters a solar cell having such a structure, due to the photovoltaic effect, electrons as a majority carrier are generated in the emitter layer formed of n-type silicon semiconductor, and electrons are generated in the substrate formed of p-type silicon semiconductor. Holes are created in the bottom as majority carriers. Electro...

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): H01B1/16H01B1/22H01L31/0224H01L31/04
CPCH01B1/16H01B1/22H01L31/0224H01L31/04H01L31/022425C08G77/045C08K2003/0806C08K2003/0812C08K2003/0831C08K2003/0862C08K2201/001C08L83/04Y02E10/50C08K3/08C08K3/40H01L31/02167H01L31/186C07F7/21H01L31/022466H01B1/24C07F7/0807C08G77/04H01L2031/0344H10K85/40
Inventor 权大灿
Owner CHANGZHOU JUHE NEW MATERIAL CO LTD