Abstract: An electrode (10) for a combination of supercapacitor and battery, comprising an active structure (12), wherein the active structure (12) comprises an active material layer (18) which is divided into strips in the plane and capacitor strips (16) and battery strips (14) are arranged alternately in the plane, is proposed. Also a process for producing such an electrode (10) and a combined supercapacitor and battery cell comprising at least one such electrode.

Abstract: A battery cell (10) having a positive electrode (3) and a negative electrode (1), wherein the, in particular, negative electrode (1) comprises a coating (5) containing a polymer which contains catechol groups and the coating (5) is a dry coating, is described.

Abstract: A method for producing an electrode of a lithium-ion battery having the steps of providing a precursor including an electrode active material and LiF, of providing a metal foil and of joining the precursor and the metal foil. Furthermore, a method for producing a lithium-ion battery is provided as well as electrodes and lithium-ion batteries that are producible according to the method.

Abstract: An electrode (10) for a combination of supercapacitor and battery, comprising an active structure (12), wherein the active structure (12) comprises an active material layer (18) which is divided into strips in the plane and capacitor strips (16) and battery strips (14) are arranged alternately in the plane, is proposed. Also a process for producing such an electrode (10) and a combined supercapacitor and battery cell comprising at least one such electrode.

Abstract: A method for producing an energy cell, in particular an energy storage cell or battery, having the steps of: arranging a plurality of films of the energy cell at a processing location, and cutting the plurality of films in one operation, wherein the cutting of the films is carried out by a laser beam, and wherein the laser beam is guided in a liquid. Also an apparatus for producing an energy cell.

Abstract: A battery cell (10) having a positive electrode (3) and a negative electrode (1), wherein the, in particular, negative electrode (1) comprises a coating (5) containing a polymer which contains catechol groups and the coating (5) is a dry coating, is described.

Abstract: An electrode for an electrochemical energy store, having at least two adjacently situated active material layers, the at least two active material layers having at least one active material and at least one conductive additive, the at least two active material layers furthermore having a gradient with respect to one another in terms of the active material concentration, the at least two active material layers furthermore having a gradient with respect to one another in terms of the conductive additive concentration, and the gradient in terms of the active material concentration and the gradient in terms of the conductive additive concentration being developed to run in opposite directions. An electrode of this kind also allows for a good high-current capability and a good storage capacity. Also described is a method for manufacturing an electrode of this kind.

Abstract: A method for manufacturing an electrode, including the following method steps: providing an active material mixture containing solvent; providing a preformed current collector; applying the solvent-containing, active material mixture to at least a partial region of the current collector to form an active material layer; and drying the active material layer. Such a method provides a particularly cost-effective manner of being able to manufacture an electrode without waste. Also described is an electrode.

Abstract: A method for manufacturing an electrode, including: a) providing a dry active material mixture; b) providing a preformed current collector; and c) applying the dry active material mixture onto at least one subregion of the current collector to form an active material layer. A method of this kind offers a particularly cost-effective way of manufacturing an electrode in a particularly defined manner and without unrectifiable rejects. Also described is a related electrode.

Abstract: A method for producing an energy cell, in particular an energy storage cell or battery, having the steps of: arranging a plurality of films of the energy cell at a processing location, and cutting the plurality of films in one operation, wherein the cutting of the films is carried out by a laser beam, and wherein the laser beam is guided in a liquid. Also an apparatus for producing an energy cell.

Abstract: An electrical system, including an energy storage, in particular an electrochemical energy storage, has at least one cell having an anode, a cathode, and a fluid electrolyte, which allows a current flow from the anode to the cathode. The cell has at least two openings, the openings being connected by a connector for the circulatory conveyance of the electrolyte. The safety and the longevity of an energy storage are improved in this way.

Abstract: By evaluating a dynamic failure signal, such as a voltage signal and/or a current signal, obtained during an electroplating operation for forming solder bumps, an inline control system with a responsiveness on a substrate basis may be established. Thus, the electroplating tool may be controlled on a single wafer basis to improve process uniformity and also significantly reduce yield loss.

Abstract: A method to reduce the initial irreversible capacity in an alkali metal-based electrochemical cell, and thus the necessity for the presence of additional alkali metal source material in the cell comprising one or more preliminary reactions performed by either electrochemical or chemical means.

Abstract: A method to reduce the initial irreversible capacity in an alkali metal-based electrochemical cell, and thus the necessity for the presence of an additional alkali metal source material in the cell comprising a pre-charging step performed by either electrochemical or chemical means.