Non-aqueous electrolytes and method for anodizing
AssigneeKemet Electronics Corporation
InventorsBrian John Melody, John Tony Kinard, David Alexander Wheeler, Philip Michael Lessner
Life of this patent
Estimating the term…
Abstract
Non-aqueous electrolytic solutions suitable for anodizing valve metal derivative anodes, methods of anodizing using non-aqueous electrolytic solutions, and capacitors prepared with non-aqueous electrolytic solutions. The non-aqueous electrolytic solution comprises glycerine and at least one soluble salt formed by the neutralization of at least one non-halogen-containing organic or inorganic acid anion with at least one alkali metal, ammonium, or protonated amine cation; wherein the acid anion is derived from an acid having a pKa lower than phosphoric acid.
Claims20
A non-aqueous electrolytic solution comprising glycerine and at least one soluble salt formed by the neutralization of at least one non-halogen-containing organic or inorganic acid anion with at least one alkali metal, ammonium, or protonated amine cation;
- wherein the acid anion is derived from an acid having a pKa lower than phosphoric acid.
A non-aqueous electrolytic solution comprising glycerine and ammonium nitrate.
A capacitor comprising an anode prepared from a valve-metal derivative powder and a non-aqueous electrolytic solution comprising glycerine and at least one soluble salt formed by the neutralization of at least one non-halogen-containing organic or inorganic acid anion with at least one alkali metal, ammonium, or protonated amine cation;
- wherein the acid anion is derived from an acid having a pKa lower than phosphoric acid, and wherein the valve-metal derivative powder is a valve metal-derived nitride, sub-nitride, oxide, or sub-oxide, or an alloy thereof, a mixture thereof, or a metallic glass composition thereof.
Dependencies are inferred from the claim text.