Method of preparing carbon-coated cuprous oxide
US9399243B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2015 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Aug 9, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B32/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of preparing carbon-coated cuprous oxide, including: (1) preparing a liquid polyacrylonitrile (LPAN) solution, stirring the LPAN solution to yield a cyclized polyacrylonitrile solution; (2) heating the cyclized LPAN solution to yield a thermally-oxidized polyacrylonitrile (OPAN); (3) mixing the thermally-oxidized polyacrylonitrile with a copper compound to yield a mixture, and adding to the mixture a hydrophilic solvent or a hydrophobic solvent, thus yielding a polyacrylonitrile coated copper compound; (4) drying the polyacrylonitrile coated copper compound in an oven until the solvent is evaporated completely and the polyacrylonitrile coated on the copper compound is crosslinked to form a solid, where yielding a carbonized precursor coated copper compound; and (5) calcining the carbonized precursor coated copper compound in the presence of an inert gas flow of between 10 and 500 mL/min.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.