15-03-2012 дата публикации
Номер: US20120061624A1
Принадлежит:
A paste for solar cell electrodes and a solar cell using the same, the paste including a conductive powder; glass frit; an organic vehicle; and metal oxide particles, the metal oxide particles having a nanometer scale particle size distribution having an average particle diameter (D50) of about 15 nm to about 50 nm and a micron scale particle size distribution having an average particle diameter (D50) of about 0.1 μm to about 2 μm. 1. A paste for solar cell electrodes , the paste comprising:a conductive powder;a glass frit;an organic vehicle; andmetal oxide particles, the metal oxide particles having a nanometer scale particle size distribution having an average particle diameter (D50) of about 15 nm to about 50 nm and a micron scale particle size distribution having an average particle diameter (D50) of about 0.1 μm to about 2 μm.2. The paste as claimed in claim 1 , wherein the metal oxide particles include at least one of zinc oxide particles claim 1 , lead oxide particles claim 1 , copper oxide particles claim 1 , silicon oxide particles claim 1 , and titanium oxide particles.3. The paste as claimed in claim 1 , wherein the metal oxide particles having a nanometer scale particle size distribution are present in an amount of about 5 to about 50 wt % claim 1 , with respect to a total weight of the metal oxide particles.4. The paste as claimed in claim 1 , wherein the conductive powder includes at least one of silver claim 1 , gold claim 1 , palladium claim 1 , platinum claim 1 , copper claim 1 , chromium claim 1 , cobalt claim 1 , aluminum claim 1 , tin claim 1 , lead claim 1 , zinc claim 1 , iron claim 1 , iridium claim 1 , osmium claim 1 , rhodium claim 1 , tungsten claim 1 , molybdenum claim 1 , nickel claim 1 , and indium tin oxide.5. The paste as claimed in claim 1 , wherein the glass frit includes a leaded glass frit claim 1 , a lead-free glass frit claim 1 , or a mixture thereof.6. The paste as claimed in claim 1 , wherein the organic vehicle includes at ...
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