Photovoltaic cells
US6720202B2 · kind B2 · utility
4Cited by
19References
18Claims
0Family size
Inventor
Key dates
| Filing date | Jul 17, 2002 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Nov 14, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/542
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Improved photovoltaic cells utilizing for a semiconductor layer, titanium dioxide powders, consisting of porous particles, ranging in size from 0.1 to 10 microns (10−6 meters), and possess relatively high bulk density combined with high surface area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.