Low-silver electroconductive paste

An electroconductive paste composition for electrode formation in solar cells including about 20 to about 50 wt % spherical silver powder having a particle size d50 of about 0.1 μm to about 1 μm, based upon 100% total weight of the paste, about 10 to about 30 wt % silver flake having a particle size...

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Bibliographic Details
Main Author SUN, ZHIQING (BEN)
Format Patent
LanguageChinese
English
Published 01.12.2016
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SEMICONDUCTOR DEVICES
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Summary:An electroconductive paste composition for electrode formation in solar cells including about 20 to about 50 wt % spherical silver powder having a particle size d50 of about 0.1 μm to about 1 μm, based upon 100% total weight of the paste, about 10 to about 30 wt % silver flake having a particle size d50 of about 5-8 μm, based upon 100% total weight of the paste, substantially lead-free glass frit having a particle size d90 of about 0.5-3 μm, and organic vehicle, wherein the glass frit includes less than 5 wt % zinc oxide, based upon 100% total weight of the glass system.
Bibliography:Application Number: TW20143146353