Samsung Sdi Co., Inc.

Cheil Industries Inc.

Seok Hyun Jung

Dong Suk Kim

Min Jae Kim

Sang Hyun Yang

Young Ki Park

Min Su Park

Ju Hee Kim

Koon Ho Kim

Seak Cheol Kim

Dong Il Shin

Je Il Lee

SeakCheol Kim

JuHee Kim

Tae Joon Kim

Hee In Nam

Jae Ho Kim

Hun Gyu Song

Jung Chul Lee

Jae Hwan Oh

Jae Hwi Cho

Tae Joong Kim

Yong Je Seo

Min Cheol Park

Sang Hee Park

Hyun Jin Koo

Dong Jun Kim

Min Young Lee

Byung Chul Lee

Hyun Joo Jung

A paste for solar cell electrodes includes a conductive powder, a glass frit, and an organic vehicle. The glass frit includes bismuth (Bi), tellurium (Te), and antimony (Sb), and has a mole ratio of bismuth (Bi) to tellurium (Te) of about 1:1 to about 1:30.

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

A method of manufacturing a finger electrode for a solar cell includes printing a conductive paste on a front surface of a substrate using a printing mask having an opening rate of 65% or more, and baking the printed conductive paste. The conductive paste may include a conductive powder, a glass frit, and an organic vehicle, and the conductive powder may include a first conductive powder having a particle diameter (D50) of about 0.1 &#x3bc;m to about 1.5 &#x3bc;m and a second conductive powder having a particle diameter (D50) of greater than 1.5 &#x3bc;m to about 5 &#x3bc;m, and the conductive powder as a whole has a particle diameter (D10) of about 0.5 &#x3bc;m or less.

Method of manufacturing finger electrode for solar cell and finger electrode for solar cell manufactured thereby

A front electrode for solar cells and a solar cell, the front electrode including a stepped structure at an outermost surface thereof, wherein the stepped structure is composed of n stages, in which n is an integer of 3 or greater, and an nstage has a smaller cross-sectional area than an (n&#x2212;1)stage such that the (n&#x2212;1)stage is partially exposed, and the stepped structure occupies about 5% to about 100% of a total surface area of the outermost surface.

Front electrode for solar cell and solar cell including the same

Disclosed herein is a composition for solar cell electrodes. The composition includes silver powder; glass frits; and an organic vehicle, wherein the glass frits have a glass transition temperature of about 100&#xb0; C. to about 300&#xb0; C. and exhibit an exothermic peak starting temperature of about 200&#xb0; C. to about 400&#xb0; C. on a DTA curve in TG-DTA analysis. Solar cell electrodes formed of the composition have high open circuit voltage and short circuit current density, thereby providing excellent conversion efficiency and fill factor.

Composition for forming solar cell electrode and electrode manufactured therefrom

A composition for solar cell electrodes including a conductive powder, a glass frit, and an organic vehicle. The glass frit contains tellurium (Te), sodium (Na), zinc (Zn), and at least one of lead (Pb) and bismuth (Bi). A molar ratio of the sum of lead and bismuth to zinc ranges from about 1 to about 20. A molar ratio of tellurium to sodium ranges from about 1 to about 15.

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

Disclosed herein is a composition for solar cell electrodes. The composition includes a conductive powder, a glass frit, and an organic vehicle, wherein the glass frit is a bismuth oxide-tellurium oxide-zinc oxide-lithium oxide-based glass frit comprising: 5 wt % to 20 wt % of bismuth oxide; 55 wt % to 80 wt % of tellurium oxide; 0.1 wt % to 15 wt % of zinc oxide; and 0.1 wt % to 10 wt % of lithium oxide. Solar cell electrodes formed of the composition have low serial resistance (Rs) and high open voltage (Voc), thus providing high conversion efficiency and good adhesive strength with respect to a ribbon.

Composition for forming electrode of solar cell and electrode formed thereof

A method of manufacturing a finger electrode for a solar cell, the method including printing a conductive paste on a front surface of a substrate using a printing mask having an opening rate of about 65% or more and baking the printed conductive paste. The conductive paste includes a conductive powder, a glass frit including about 30 mol % to about 60 mol % of tellurium oxide and about 0.1 mol % to about 10 mol % of tungsten oxide, and an organic vehicle.

Method of manufacturing finger electrode for solar cell

A solar cell, including a substrate; and an electrode on at least one surface of the substrate. The electrode may be prepared from an electrode paste including tungsten oxide particles, and the electrode may have an adhesive strength of about 4 N/mm to about 6 N/mm with respect to a ribbon for interconnecting solar cells, as measured under conditions of a peeling angle of 180&#xb0; and a stretching rate of 50 mm/min.

Solar cell

A composition for solar cell electrodes, a solar cell electrode, and a solar cell, the composition including silver powder; glass frit; an organic vehicle; and an epoxy group-containing silicon compound, wherein the glass frit includes bismuth and tellurium, and the organic vehicle includes a cellulose resin.

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

A composition for solar cell electrodes and a solar cell electrode, the composition including silver powder; glass frit that contains tellurium, the glass frit having a glass transition temperature (Tg) of about 150&#xb0; C. to about 300&#xb0; C.; an organosilane compound; and an organic vehicle.

Composition for solar cell electrode and electrode prepared using the same

A composition for solar cell electrodes and electrodes fabricated using the same. The composition includes silver powder; fumed silica; a glass frit; and an organic vehicle. The composition has improved contact efficiency between electrodes and a silicon wafer by introducing specific fumed silica. Solar cell electrodes fabricated using the composition exhibit minimized serial resistance, thereby providing excellent fill factor and conversion efficiency.

Composition for forming solar cell electrode and electrode produced from same

A composition for solar cell electrodes includes a silver powder; a glass frit; and an organic vehicle, wherein the glass frit includes bismuth (Bi), tellurium (Te), and chromium (Cr).

Composition for solar cell electrodes and electrode fabricated using the same

A composition for solar cell electrodes includes a conductive powder, a glass frit, an organic vehicle and a thixotropic agent, and has a first thixotropic index (TI I) of about 1.5 to about 4 as represented by the following Equation 1, and a second thixotropic index (TI II) of about 4 to about 8 as represented by the following Equation 2, both the first thixotropic index and the second thixotropic index being measured at 23&#xb0; C. by a rotary viscometer. [Equation 1] TI I=(viscosity at 1 rpm/viscosity at 10 rpm) [Equation 2] TI II=(viscosity at 10 rpm/viscosity at 100 rpm).

Growing community of inventors

Uiwang-si, South Korea

Seok Hyun Jung