Primary production of elements
US8795506B2 · kind B2 · utility
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12References
7Claims
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Key dates
| Filing date | Jun 10, 2013 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Jun 10, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C3/34
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Electrowinning methods and apparatus are suitable for producing elemental deposits of high quality, purity, and volume. Respective cathodes are used during electrowinning for bearing the elemental product, segregating impurities, dissolving morphologically undesirable material, and augmenting productivity. Silicon suitable for use in photovoltaic devices may be electrodeposited in solid form from silicon dioxide dissolved in a molten salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.