Abstract: A method for maintenance, repair and/or optimization of a battery. The battery has, as components, individual cells connected to one another in series and/or in parallel, having electrical terminal contacts which are connected to one another positively and/or firmly, directly or by cell connectors, forming an overlapping region, and/or a battery monitoring unit having a number of connection elements which are positively and/or firmly connected to the electrical terminal contacts and/or to the cell connectors, forming a further overlapping region. To exchange a component, the positive and/or firm connection of the component to be exchanged to at least one component not be exchanged is separated directly next to the overlapping region and a replacement component is connected positively and/or firmly to the overlapping regions of the at least one component not be exchanged by the electrical terminal contacts thereof or the connection elements thereof, forming a respectively new overlapping region.

Abstract: A battery includes a number of single cells interconnected in series and/or in parallel, the electrical poles of which for the electrical interconnection are connected to one another in a positive-fit and/or integrally bonded manner, directly or by means of cell connectors. The battery also includes a battery monitoring unit connected to the electrical poles and/or to the cell connectors in a positive-fit and/or integrally bonded manner. The electrical poles of the single cells, the cell connectors, and/or the battery monitoring unit have redundant contact areas for the positive-fit and/or integrally bonded connection. In each case only one of the contact areas which are redundant with one another is connected in a positive-fit and/or integrally bonded manner, and the further contact area(s) is/are not connected.

Abstract: A method for maintenance, repair and/or optimization of a battery. The battery has, as components, individual cells connected to one another in series and/or in parallel, having electrical terminal contacts which are connected to one another positively and/or firmly, directly or by cell connectors, forming an overlapping region, and/or a battery monitoring unit having a number of connection elements which are positively and/or firmly connected to the electrical terminal contacts and/or to the cell connectors, forming a further overlapping region. To exchange a component, the positive and/or firm connection of the component to be exchanged to at least one component not be exchanged is separated directly next to the overlapping region and a replacement component is connected positively and/or firmly to the overlapping regions of the at least one component not be exchanged by the electrical terminal contacts thereof or the connection elements thereof, forming a respectively new overlapping region.

Abstract: A single cell for a battery includes electrodes, preferably electrode foils, which are arranged within a cell housing. A current output lug is electrically connected to each electrode, and at least electrodes of opposite polarity are separated and electrically insulated from one another by a separator, preferably a separator foil. Current output lugs having the same polarity are electrically conductively connected to a pole, wherein the respective poles are guided from the interior of the cell housing to the outside. Each pole is electrically conductively connected to an electrically conductive area on an outer side of the cell housing, wherein the relevant two areas of different polarity are electrically insulated from one another. The pole lugs which are arranged on the relevant areas project in a free-standing manner out of the cell housing.

Abstract: A cell block for a battery includes a number of electrochemical single cells electrically connected to one another in series and/or in parallel. The single cells are flat cells oriented essentially in parallel and situated one behind the other in the cell block, and are tensioned with respect to one another by a tensioning element. The tensioning element is a temperature control plate for controlling the temperature of the single cells. The temperature control plate is situated on a longitudinal side of the cell block and thermally coupled to the single cells.

Abstract: A battery includes a stack of bipolar individual battery cells, each of which includes an electrode stack and two sheet metal covers bounding the individual battery cell at least in the stacking direction. The electrode stack is connected to at least one of the sheet metal covers by at least one weld. In the region of the at least one weld, the sheet metal cover welded to the electrode stack and/or the sheet metal cover of the adjacent individual battery cell in contact with the sheet metal cover is/are of a set-back design. As a result, the sheet metal covers of adjacent individual battery cells do not have any contact in the region of the at least one weld.

Abstract: A battery having a cooling apparatus for temperature control of the battery is provided. The battery has a plurality of individual cells connected in parallel and/or in series with one another using cell connectors. The individual cells are attached to the cooling apparatus such that they can be prestressed by means of the cell connectors.

Abstract: A battery includes a number of single cells interconnected in series and/or in parallel, the electrical poles of which for the electrical interconnection are connected to one another in a positive-fit and/or integrally bonded manner, directly or by means of cell connectors. The battery also includes a battery monitoring unit connected to the electrical poles and/or to the cell connectors in a positive-fit and/or integrally bonded manner. The electrical poles of the single cells, the cell connectors, and/or the battery monitoring unit have redundant contact areas for the positive-fit and/or integrally bonded connection. In each case only one of the contact areas which are redundant with one another is connected in a positive-fit and/or integrally bonded manner, and the further contact area(s) is/are not connected.

Abstract: A battery comprises a plurality of individual cells whose poles are electrically interconnected with each other in series and/or in parallel and form a cell assembly. A sealing element is arranged at least in one edge region between the poles of adjacent individual cells.

Abstract: A single cell for a battery includes two housing parts, a cell frame, an electrode foil stack situated between the housing parts, and an insulating element situated between the housing parts. The insulating element electrically separates the two housing parts from one another. The insulating element has dimensions such that in the assembled state of the single cell the insulating element projects, at least in part, beyond a first housing part at the edge, forming a projection. The first housing part is enclosed, at least in part, by the insulating element at an edge.

Abstract: A single cell for a battery includes an electrode stack situated within a cell housing formed from two electrically conductive shell-shaped housing side walls situated essentially in parallel opposite one another, having a shell flange extending around the edges. The shell flanges are joined to one another to form a flange area and are electrically insulated from one another. Pole contact tabs of the electrode stack are connected electrically connected to the housing side walls. At least one of the housing side walls has a section protruding, at least in parts, beyond the flange area of at least one housing edge of the cell housing. The protruding section of the housing side wall is angled in the direction of a cell interior and in the direction of a shell base of the housing side wall, and in the angled state protrudes beyond the shell base by a predetermined amount.

Abstract: A single cell for a battery includes an electrode foil stack situated in a housing formed from two enveloping metal sheets and a frame that electrically insulates the two enveloping metal sheets from one another. Current discharge tabs of electrode foils of one polarity are connected to one another to form a pole contact, and the respective pole contact is connected to an enveloping metal sheet, and an enveloping metal sheet in each case forms an electrical pole of the single cell. The current discharge tabs of the same polarity are led out in each case at a pole side of the electrode foil stack and connected to one another in a middle area of the pole side. The pole contacts are angled parallel to the pole side, in particular with respect to one-half of the particular pole side, and are connected to an enveloping metal sheet.

Abstract: An individual cell for a battery comprises an electrode stack disposed within a cell housing and a method for the production thereof. The individual electrodes, preferably electrode foils, are electrically connected to lead vanes, and at least electrodes of different polarity are separated and insulated from each other by a separator preferably a separator foil. Lead vanes of the same polarity are electrically connected to each other to form a pole. The lead vanes of a pole are electrically compressed with each other and/or welded to each other.

Abstract: A battery is provided with a plurality of individual cells connected in series and/or in parallel to one another, and at least one cooling plate arranged on the pole side on the individual cells, with current drain tabs of electric poles of the individual cells being thermally coupled with the cooling plate and being angled such that they extend parallel to the cooling plate. Current drain tabs of adjacent individual cells are electrically interconnected in non-positive and/or in positive manner and pressed with the cooling plate in non-positive and/or in positive manner by clamping elements.

Abstract: A battery is provided with a plurality of individual cells connected in series and/or in parallel to one another, and at least one cooling plate arranged on the pole side on the individual cells, with current drain tabs of electric poles of the individual cells being thermally coupled with the cooling plate and being angled such that they extend parallel to the cooling plate. Current drain tabs of adjacent individual cells are electrically interconnected in non-positive and/or in positive manner and pressed with the cooling plate in non-positive and/or in positive manner by clamping elements.

Abstract: A cell assembly with an integrated force sensing device and a predetermined number of parallel- and/or series-connected individual cells is provided.

Abstract: A single cell with a cell housing is provided. The cell housing is formed from two housing side walls and an electrically insulating frame arranged between them. An electrochemically active stack is arranged inside the cell housing, of which electrodes of equal polarity are electrically conductively connected to each other to form a pole. The poles are electrically conductively connected to one of the housing side walls. At least one of the housing side walls is formed to extend completely over an edge region of the frame, wherein the projecting region forms a cooling element.

Abstract: A single cell for a battery that includes a first housing part and a second housing part, which are electrically isolated from one another by an insulating housing frame. An electrochemically-active material is located in housing frame between housing parts. The first housing part and second housing part are in the form of plates. At least one of the housing parts exhibits a first edge area bent over towards the inside, and first housing part and second housing part are fixed by a form fit to one-piece housing frame.

Abstract: A battery includes a stack of bipolar individual battery cells, each of which includes an electrode stack and two sheet metal covers bounding the individual battery cell at least in the stacking direction. The electrode stack is connected to at least one of the sheet metal covers by at least one weld. In the region of the at least one weld, the sheet metal cover welded to the electrode stack and/or the sheet metal cover of the adjacent individual battery cell in contact with the sheet metal cover is/are of a set-back design. As a result, the sheet metal covers of adjacent individual battery cells do not have any contact in the region of the at least one weld.

Abstract: A single cell having a casing formed from a first casing side part, a second casing side part and a casing frame, in which casing an electrolyte and an electrochemically active electrode foil unit are arranged, wherein the casing comprises an overpressure protection. The first casing side part includes a casing side part segment going at least sectionally over a length of the single cell, which casing side part segment is angled down in relation to the first casing side part in the direction of the cell interior and in which the overpressure protection is arranged and a venting opening is incorporated into the casing frame in a region of the overpressure protection.