Patent ID: 6162345
Filing Date: 2000-12-19
Classification: C25D,H01G

Abstract:
A method of anodizing a metal anode prepared from metal powder having a surface area of least 0.35 m.sup.2 /g or 35,000 CV/g, comprising anodizing the metal anode with an electrolyte comprising at least one alkali metal phosphate salt, water and at least one organic solvent wherein the alkali metal phosphate salt is insoluble in the organic solvent alone but soluble in a solution of the water and the organic solvent, wherein the total volume of organic solvent is above about 1 vol % and less than 50 vol. % of the total electrolytic solution volume, and wherein the anode is anodize at a temperature from about 60.degree. C. to about 100.degree. C.