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 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 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: Battery 1, comprising at least a battery cell 2, which is arranged within a battery housing 3, characterized in that the battery housing 3 is partially filled with a cooling liquid 4. Method for cooling of said battery, wherein at least a portion of the cooling liquid 4 is evaporated.

Abstract: The measurement method according to the invention for an electrochemical energy storage device involves the electrochemical energy storage device being held (S1) and having contact made with it (S2) in a holding device. The electrochemical energy storage device is charged (S3) to a predetermined first charge state. The electrochemical energy storage device is discharged (S4) to a predetermined second charge state. A measuring device is used to capture (S5) at least one measured value for a physical parameter of the electrochemical energy storage device, with the physical parameter allowing the operating state of the electrochemical energy storage device to be inferred.

Abstract: The invention describes a system for cleaning sheet- or plate-like objects (10), in particular for cleaning electrodes and/or separators for constructing an electrochemical energy storage means or cleaning parts of such electrodes or separators, wherein the sheet- or plate-like objects (10) have a first object side (11) and a second object side (12), which is situated opposite the first object side, and at least one side surface which connects the first object side (11) and the second object side (12).

Abstract: An electrode (1) for an electrochemical energy storage apparatus has a contour (2) exhibiting two side edges, wherein a first side edge (3) and a second side edge (4) are interconnected by a connecting section (5). The connecting section (5) comprises a substantially linear region (5a) which transitions into the first side edge (3), and a substantially curved region (5b) which transitions into the second side edge (4). When manufacturing such an electrode the first side edge (3) is created by a first cut, the second side edge (4) is created by a second cut, and the connecting section (5) is created along with the first cut or the second cut.

Abstract: The invention relates to the filling of an electrochemical cell (10) with an electrolyte, said cell having, in its interior (12), at least one electrode stack and one casing which at least partially encloses the electrode stack(s). For filling to take place, a negative pressure is generated in the interior (12) of the cell (10) (step S3) and the interior (12) of the cell (10) is then connected to an electrolyte feed (24) (step S5). In order to ensure that the cell (10) is filled with the electrolyte in a uniform and total manner, a first pressure and a second pressure are alternatingly applied to an outer side (14) of the cell (10) while the electrolyte feed (24) is connected, the second pressure being lower than the first pressure (steps S6 and S7).

Abstract: Method for producing electric cells for electrochemical energy storage devices, the method of production comprising the following steps: (S1a) feeding an anode strip, (S1b) feeding a cathode strip (20), (S1c) feeding a separator strip (30), preferably two separator strips, (S3a) stamping out an anode element from the anode strip, (S3b) stamping out a cathode element from the cathode strip (20), (S5) cutting the separator strip (30), preferably the two separator strips, into separator elements, (S6a) applying an anode element to a first separator element to form an anode-separator element, (S6b) applying a cathode element to a second separator element to form a cathode-separator element, and (S7) stacking an anode number of anode-separator elements and a cathode number of cathode-separator elements to form an anode-separator-and-cathode-separator stack.

Abstract: In a method for producing an electrode stack for an electrochemical energy store, in which anodes (5) and cathodes (8) are stacked alternately and in each case are separated by at least one separator (6, 7), at least one anode (5) or cathode (8) and at least one separator (6,7) are supplied. The at least one anode (5) or cathode (8) and the at least one separator (6, 7) are gripped by at least one gripper (19, 20, 21, 22, 24-29) and deposited to form the electrode stack.

Abstract: An assembly of an electrode stack (120) comprises at least one anode layer, at least one cathode layer and at least one separator layer arranged between the at least one anode layer and the at least one cathode layer. Thereby, at least one fixing device (110, 210, 310, 410, 610) is provided which fixes at least two layers of the electrode stack (120) relative to one another, wherein the at least one fixing device consists at least partially of polypropylene.

Abstract: In a method for predicting the electrical power an electrochemical energy store can output to a consumer, a processor device preferably processes at least one measurement from a plurality of measurements of the cell voltage depending on time in an information technological manner, said measurements being carried out previously on an electrochemical energy store of the same design which is subject to a plurality of discharges of the electrochemical energy store and has a power output that is constant over time and the measurements being stored in a digital memory device.

Abstract: An electrochemical cell (100) comprises at least one electrode stack (150) having at least one conductor device (110) and at least one casing (130). The casing (130) at least partially encases the electrode stack (150) and has at least one passage section (140) for the least one conductor device (110) from the interior to the exterior of the casing. At least one protective device (120) is disposed at this passage section (140) to maintain a substantially fluid-tight property of the casing (130) in the area of this passage section (140), i.e. to minimize the danger of damaging the casing (130) and/or its sealing seam in the area of this passage section (140).

Abstract: The invention relates to a method for depositing leaf-shaped objects (4, 5), and to an assembly for carrying out said method, wherein a plurality of such objects are successively placed on top of each other, and wherein, at intervals, single or several objects are removed again from the top. To this end, the objects (4, 5) are placed on top of each other offset from one another and/or rotated in relation to one another.

Abstract: In an electrochemical energy store having a housing (I) and having at least one electrochemical cell (2) arranged in the housing (I), at least one wall of the housing (I) is coated or impinged on at least in regions with an extinguishing agent or an extinguishing agent additive (7-9).

Abstract: A battery housing surrounds at least one but preferably a multiplicity of electrochemical energy storage devices. The battery housing has at least one but preferably a multiplicity of cell compartments to hold these electrochemical energy storage devices. The surface of the battery housing consists of four side surfaces, a bottom surface and a top surface, with the side surfaces being formed by the cell compartment elements. Two electrochemical energy storage devices are preferably arranged in one cell compartment. In particular, an elastic equalizing element is arranged between two electrochemical energy storage devices. The cell compartments are formed by cell compartment elements. In particular, a cell compartment element forms at least one cell compartment, and two cell compartment elements preferably form one cell compartment. The cell compartments can be closed, in particular, by a cover element.

Abstract: A battery housing comprises a cell compartment element (1) which at least partially delimits a cell compartment. Said cell compartment is designed to accommodate at least one electrochemical energy storage cell. A lid element (2) which is designed to be connected to the cell compartment element (1) obturates the cell compartment at least in sections thereof. The lid element (2) preferably comprises at least one fastening pin (29) and/or a bore (30) for a fastening pin for fastening the battery housing.

Abstract: A heat dissipation device according to the invention has a first measuring device. This is provided for detecting a physical parameter. The heat dissipation device according to the invention has a heat-conducting device. Said heat-conducting device is provided for absorbing thermal energy from an adjacent electrochemical energy storage device. For this purpose, the heat-conducting device has a heat source contact region. The heat source contact region is provided for making thermally conductive contact with an adjacent electrochemical energy storage device. Furthermore, the heat-conducting device has a heat emission region, which adjoins the heat source contact region. The heat emission region is provided for emitting thermal energy to a process fluid.

Abstract: The invention relates to an electrical energy unit (2, 102, 202, 302) comprising a plurality of electrical energy cells (4), which are stacked in a stacking direction to form a cell block and are connected to each other in parallel and/or in series within the cell block, the electrical energy cells having planar conductors (14), which protrude from the cell substantially in parallel with each other in two directions, the main surfaces of the conductors being oriented substantially perpendicularly to the stacking direction, the conductors of a cell at least partially not covering each other, as viewed in the stacking direction, and each conductor of a cell at least partially covering a conductor of a subsequent cell in the stacking direction, as viewed in the stacking direction.

Abstract: The invention relates to an assembly composed of at least one galvanic cell and at least two frame elements, wherein one galvanic cell is respectively disposed between two frame elements, wherein the assembly forms a stack and has a tensioning device for bracing the assembly in the direction of the stack; wherein the galvanic cell comprises a flat main body and at least two current conductors, said main body having two flat sides and peripheral narrow sides; wherein each frame element comprises a plurality of, preferably four, beams connected to each other in a closed configuration and defining a free space therebetween; wherein the main body of the galvanic cell is received in the free space of two adjacent frame elements; and wherein at least in the region of the narrow sides of the main body, preferably beyond an edge in which the narrow sides transition into a flat side of the galvanic cell, the cross-sections of sections of the frame elements that face toward the free space are designed to follow the con