Lead-free conductive compound for solar cell electrodes
US8778232B2 · kind B2 · utility
1Cited by
3References
7Claims
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Key dates
| Filing date | May 28, 2010 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Dec 15, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/52
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A lead-free conductive compound for a solar cell electrode including: a conductive powder; a glass frit; and a vehicle; the glass fit includes at least one kind of lead-free glass including 10 to 29 (mol %) of Bi2O3, 15 to 30 (mol %) of ZnO, 0 to 20 (mol %) of SiO2, 20 to 33 (mol %) of B2O3, and a total sum 8 to 21 (mol %) of Li2O, Na2O and K2O which are contained in a ratio with respect to a whole of a glass compound in terms of oxides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.