Patent ID: 11859294
Assignee: SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY
Field: Surface technology, coating (Chemistry)
Classification: CPC C  Y | IPC C

Claim 6:
7. The preparation method according to claim 6, wherein
the tungsten source is selected from at least one of ammonium paratungstate, ammonium paratungstate hexahydrate (NH4)6W7O24O·6H2O, ammonium paratungstate tetrahydrate (NH4)10[H2W12O42]·4H2O, metatungstic acid ammonium (NH4)6H2W12O40·XH2O, tungsten isopropoxide W(OCH(CH3)2)6, and tungsten hexachloride WCl6, and
the cobalt source is selected from at least one of cobalt chloride hexahydrate CoCl2·6H2O, cobalt chloride CoCl2, hexaamino cobalt chloride [Co(NH3)6]Cl3, cobalt acetate (CH3CO2)2Co, and cobalt acetate tetrahydrate C4H6CoO4·4H2O.