Patent ID: 11894564
Assignee: KING FAISAL UNIVERSITY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 1:
2. The method of claim 1, wherein the gel is prepared by:
dissolving iron nitrate in water to provide an iron nitrate solution;
dissolving cobalt nitrate in water to provide a cobalt nitrate solution;
dissolving nickel nitrate in water to provide a nickel nitrate solution;
combining the iron nitrate solution, the cobalt nitrate solution, and the nickel nitrate solution to provide a first mixture;
adding copper nitrate to the first mixture to provide a second mixture;
adding a capping agent to the second mixture to provide a third mixture;
adjusting a pH of the third mixture to provide an alkaline solution;
heating the alkaline solution to provide a heated solution; and
sealing the heated solution to provide a gel.