Abstract: An electrolytic capacitor comprising an anode, cathode and an electrolyte. The electrolyte comprises an aqueous solution comprising a compound of formula 1: CH3—(OCH2CH2)m—OCH3Formula 1 wherein m is an integer from 3 to 10. The electrolyte also comprises an ionogen.

Abstract: An electrode for a capacitor, such as an electrolytic capacitor, includes a substrate comprising a metal. A carbide layer is provided adjacent the substrate, and a layer of material comprising an oxide of manganese is provided adjacent the carbide layer. According to one embodiment, the layer of material may also comprise activated carbon. The capacitor may be configured for use with a variety of devices, including implantable medical devices.

Abstract: An electrolytic capacitor comprising an anode, cathode and an electrolyte. The electrolyte comprises: about 35-60%, by weight water; about 10-55%, by weight organic solvent; about 0.05 to 10%, by weight, sulphuric acid; about 0.05 to 10%, by weight, boric acid; and about 0.05 to 10%, by weight, phosphorus oxy acid.

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.

Abstract: An electrolyte for a capacitor and capacitor containing the electrolyte. The electrolyte has up to about 85%, by weight, water, up to about 65%, by weight organic solvent and an acid defined by HOOC—(CH2)x—COOH wherein x is 3, 5, 7 or 9, and ammonium hydroxide.

Abstract: An electrolytic capacitor comprising an anode, cathode and an electrolyte. The electrolyte comprises: about 35-60%, by weight water; about 10-55%, by weight organic solvent; about 0.05 to 10%, by weight, sulphuric acid; about 0.05 to 10%, by weight, boric acid; and about 0.05 to 10%, by weight, phosphorus oxy acid.

Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the capacitor element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.

Abstract: An electrode for a capacitor includes a substrate comprising at least one of glassy carbon and a metal. According to various embodiments, the substrate may be provided as glassy carbon or any of a variety of metals for use in capacitors. The capacitor also includes an activated carbon material adjacent the substrate. The activated carbon layer includes oxygen-containing functional groups. A material is provided in contact with the activated carbon layer for providing enhanced capacitance for the electrode. Various types of capacitance-enhancing materials may be utilized, including carbon nanotubes and conductive metal oxides.

Abstract: An electrolyte solution for anodizing a metal and a capacitor comprising the anodized metal. The electrolyte comprises more than about 5%, by weight, and less than about 30%, by weight, water; about 0.1 to 20%, by weight, ionogen and an aprotic polar solvent. The ionogen comprises phosphoric acid and an alkanol amine in an amount, and ratio, sufficient to maintain a pH of about 4 to about 9.

Abstract: An electrolyte for a capacitor and capacitor containing the electrolyte. The electrolyte has up to about 85%, by weight, water, up to about 65%, by weight organic solvent and an acid defined by HOOC—(CH2)x—COOH wherein x is 3, 5, 7 or 9, and ammonium hydroxide.

Abstract: An electrolytic capacitor comprising an anode, cathode and an electrolyte.

Abstract: An electrolytic capacitor comprising an anode, cathode and an electrolyte. The electrolyte comprises: about 35-60%, by weight water; about 10-55%, by weight organic solvent; about 0.05 to 10%, by weight, sulphuric acid; about 0.05 to 10%, by weight, boric acid; and about 0.05 to 10%, by weight, phosphorus oxy acid.

Abstract: An electrode for a capacitor, such as an electrolytic capacitor, includes a substrate comprising a metal. A carbide layer is provided adjacent the substrate, and a layer of material comprising an oxide of manganese is provided adjacent the carbide layer. According to one embodiment, the layer of material may also comprise activated carbon. The capacitor may be configured for use with a variety of devices, including implantable medical devices.

Abstract: A therapeutic medical device system comprising an electrolytic capacitor including an anode, cathode and an electrolyte.

Abstract: A capacitor is provided which includes a plurality of electrodes and a fluid electrolyte provided to electrically associate the plurality of electrodes. One of the plurality of electrodes includes poly (ethylene 3,4-dioxythiophene) or a titanate.

Abstract: An electrolytic capacitor comprising an anode, cathode and an electrolyte. The electrolyte comprises: about 35-60%, by weight water; about 10-55%, by weight organic solvent; about 0.05 to 10%, by weight, sulphuric acid; about 0.05 to 10%, by weight, boric acid; and about 0.05 to 10%, by weight, phosphorus oxy acid.

Abstract: An electrode for a capacitor includes a substrate comprising at least one of glassy carbon and a metal. According to various embodiments, the substrate may be provided as glassy carbon or any of a variety of metals for use in capacitors. The capacitor also includes an activated carbon material adjacent the substrate. The activated carbon layer includes oxygen-containing functional groups. A material is provided in contact with the activated carbon layer for providing enhanced capacitance for the electrode. Various types of capacitance-enhancing materials may be utilized, including carbon nanotubes and conductive metal oxides.

Abstract: A method of reforming a wet-tantalum capacitor is disclosed. The method comprises charging the capacitor to a voltage that is substantially less than one of a maximum and rated voltage for the capacitor. The method also comprises providing an open circuit condition and allowing the capacitor to at least partially discharge through leakage current.

Abstract: Aluminum surface mount capacitors containing one or more anode foil coupons are initially anodized in an aqueous phosphate solution in order to produce an anodic oxide film having extreme resistance to hydration and attack by corrosive anions for the purpose of producing surface mount capacitors at high yield and of high stability.

Abstract: A capacitor comprising an aluminum anode and a dielectric layer comprising phosphate doped aluminum oxide and process for making the capacitor. Furthermore, the capacitor is formed by the process of: forming an aluminum plate; pre-hydrating the aluminum; contacting the plate with an anodizing solution comprising glycerine, 0.1 to 1.0%, by weight, water and 0.01 to 0.5%, by weight, orthophosphate; applying a voltage to the aluminum plate and determining an initial current; maintaining the first voltage until a first measured current is no more than 50% of the initial current; increasing the voltage and redetermining the initial current; maintaining the increased voltage until a second measured current is no more than 50% of the redetermined initial current, and continuing the increasing of the voltage and maintaining the increased voltage until a final voltage is achieved.