Abstract: A cell housing plate for the arrangement of round cells, comprising a cover plate arranged on the top side of the cell housing plate, and a base plate arranged opposite the cover plate on the underside of the cell housing plate, wherein the cover plate and the base plate have a plurality of cut-outs arranged opposite each other for receiving the round cells, wherein the cut-outs each have a collar pointing radially towards the inside of the cut-out for receiving a sealant, and an opening arranged inside the collar for passage of the round cells, wherein the cover plate and the base plate are arranged relative to each other such that the cut-outs of the cover plate and the opposite cut-outs of the base plate form cavities for receiving sealant for sealing the round cells which may be arranged inside the cell housing plate.

Abstract: The invention relates to an energy storage unit (1) comprising a plurality of energy storage sub-units (5) that have a first electrode (6) and a second electrode (7), the first electrode (6) and second electrode (7) of a particular energy storage sub-unit (5) being arranged on opposite sides of said energy storage sub-unit (5), and said energy storage unit comprising a receiving device (2) that has a plurality of adjacently-arranged receiving units each spatially delimited by a lateral wall, one energy storage sub-unit (5) being introduced into each receiving unit of said receiving device (2), and the energy storage sub-units (5) being secured in said receiving units such that the electrodes (6, 7) are arranged in a first contact level and in a second contact level, the electrodes (6, 7) arranged in the first contact level being electrically interconnected by means of a first printed circuit board (10) and the electrodes (6, 7) arranged in the second contact level (9) being electrically interconnected by mean

Abstract: The invention relates to a battery cell (2), comprising a prismatically designed cell housing with a cover surface (31), on which a negative terminal (11) and a positive terminal (12) are arranged, and an electrode coil (10) arranged within the cell housing and comprising a cathode (14) and an anode (16). The electrode coil (10) is fixed to the cover surface (31) by means of an electrically insulating holder (70), and the holder (70) is connected to at least one electrically insulating spacer (67, 68) which is fastened to the cover surface (31). The invention also relates to a battery system which comprises at least one battery cell (2) according to the invention.

Abstract: A battery cell (2) with a film cover (4) for electrochemically active material, wherein the film cover (4) is present substantially in a prismatic shape, and therefore the film cover (4) can be assigned two mutually opposite main surfaces (6a, b), and with current collectors (10a, b) which electrically contact the electrochemically active material and serve for the interconnection of the battery cell (2). At least one current collector (10a, b) has a flat element (12a, b) which substantially covers a main surface (6a, b) of the film cover (4) and has a connection region for connection to a cooling device, or is provided with cooling ducts.

Abstract: The present invention relates to a clamping device (300) for battery cells (100), characterized by: a container that comprises a space (310) with a variable volume for receiving a fluid, the container being designed such that a battery cell (100) or a plurality of battery cells (100) can be clamped. The invention also relates to a battery module, a battery, a battery system, a vehicle and a method for producing a battery module (20; 30; 40; 50; 60).

Abstract: A cell housing plate for the arrangement of round cells, comprising a cover plate arranged on the top side of the cell housing plate, and a base plate arranged opposite the cover plate on the underside of the cell housing plate, wherein the cover plate and the base plate have a plurality of cut-outs arranged opposite each other for receiving the round cells, wherein the cut-outs each have a collar pointing radially towards the inside of the cut-out for receiving a sealant, and an opening arranged inside the collar for passage of the round cells, wherein the cover plate and the base plate are arranged relative to each other such that the cut-outs of the cover plate and the opposite cut-outs of the base plate form cavities for receiving sealant for sealing the round cells which may be arranged inside the cell housing plate.

Abstract: A device (200) for bracing a battery module (100) which comprises a multiplicity of battery cells (101, . . . 10n), characterized by: a first clamping plate (201) for the positioning of the battery cells (101, . . . 10n), a cooler (300) which is between the first clamping plate (201) and the battery cells (101, . . . 10n), and a brace (205, 206) which is configured so as to brace the first clamping plate (201, 202) and the battery cells (101, . . . 10n) against one another.

Abstract: The invention relates to a method for determining a pressure inside a housing (3) of a battery cell (2), comprising a measuring electrode (70) arranged inside the housing (3) and an electrode unit (10) arranged inside the housing (3), having a cathode, an anode (21) and a separator (18) impregnated with an electrolyte, wherein the housing (3) is at least partially electrically conductive. In addition, an electrical impedance between the measuring electrode (70) and the housing (3) is measured, and the pressure inside the housing (3) is determined from the electrical impedance. The invention also relates to a battery cell (2) comprising a housing (3) that is at least partially electrically conductive, a measuring electrode (70) arranged inside the housing (3), and an electrode unit (10) arranged inside the housing (3) and having a cathode, an anode (21) and a separator (18) impregnated with an electrolyte.

Abstract: The invention relates to a method for producing an electrode unit for a battery cell comprising the following steps: substance-to-substance bonding of contact lugs (35, 36) of a plurality of plate-shaped segments of a first electrode (21, 22) to a strip-shaped first separator layer (18), substance-to-substance bonding of a strip-shaped second separator layer (19) to the contact lugs (35, 36) of the segments of the first electrode (21, 22) or to the first separator layer (18) such that a strip-shaped composite element (50) is produced, wherein an active material (41, 42) of the segments of the first electrode (21, 22) is surrounded by the first separator layer (18) and by the second separator layer (19), and arranging a plurality of plate-shaped segments of a second electrode (21, 22) on the composite element (50). The invention further relates to an electrode unit for a battery cell, produced by the method according to the invention.

Abstract: The present invention relates to an energy storage unit (1) having a plurality of electrochemical cells (2), wherein the electrochemical cells (2) each have a first outer face (3) comprising a first electrode (5), and a second outer face (4) comprising a second electrode (6), and the electrochemical cells (2) are electrically interconnected owing to the lined-up arrangement (9) of the electrochemical cells (2) by way of the outer faces (3, 4) by means of the electrodes (5, 6). The energy storage unit (1) additionally comprises a first frame element (7) and a second frame element (8), which frame elements are directly or indirectly connected to one another, wherein the first frame element (7) is arranged at one end (10) of the lined-up arrangement (9) of the electrochemical cells (2), and the second frame element (8) is arranged at the other end (11) of the lined-up arrangement (9) of the electrochemical cells (2).

Abstract: A battery cell, in particular lithium-ion battery cell. The battery cell has a metallic housing (2), an electrode assembly (3) being received in the metallic housing (2). The metallic housing (2) has a first housing element (4), which is connected electrically to a positive pole (8) of the electrode assembly (3), and a second housing element (5), which is connected electrically to a negative pole (9) of the electrode assembly (3). The battery cell (3) also has at least one insulation element (10), which is configured for insulating the two housing elements (4, 5) from one another electrically and is arranged between the two housing elements (4, 5). The at least one insulation element (10) has at least one barrier layer (6).

Abstract: The invention relates to a method for producing an electrode composite (23) of a battery cell, in particular of a lithium-ion battery cell, comprising at least one first electrode (1) having an in particular strip-type first electrode film (1a), at least one second electrode (2), and at least one in particular strip-type separator film (5a, 5b), wherein the in particular strip-type first electrode film (1a) is trimmed to fit on a first side, from where the first electrode film (1a) can be contacted in the finished battery cell so that at least one first contact tab (1b) is exposed.

Abstract: The invention relates to a battery unit (1) comprising: a plurality of electrically interconnected electrochemical cells (2), each of said cells having an electrode arrangement (3), in particular a lithium-based electrode arrangement (3) with a cathode contact element (4) and an anode contact element (5); and an outer sheathing (7) surrounding a chamber (6) in which the electrochemical cells (2) are arranged. The outer sheathing (7) is designed as a humidity barrier and as a chemical barrier. Each individual electrochemical cell (2) of the battery unit (1) comprises an electrically insulating sheathing (8) which surrounds the respective electrode arrangement (3). The invention also relates to a battery module comprising a plurality of electrically interconnected battery units (1) designed according to the invention.

Abstract: A battery cell (2) with a film cover (4) for electrochemically active material, wherein the film cover (4) is present substantially in a prismatic shape, and therefore the film cover (4) can be assigned two mutually opposite main surfaces (6a, b), and with current collectors (10a, b) which electrically contact the electrochemically active material and serve for the interconnection of the battery cell (2). At least one current collector (10a, b) has a flat element (12a, b) which substantially covers a main surface (6a, b) of the film cover (4) and has a connection region for connection to a cooling device, or is provided with cooling ducts.

Abstract: The invention relates to a battery cell (2), comprising a prismatically designed cell housing with a cover surface (31), on which a negative terminal (11) and a positive terminal (12) are arranged, and an electrode coil (10) arranged within the cell housing and comprising a cathode (14) and an anode (16). The electrode coil (10) is fixed to the cover surface (31) by means of an electrically insulating holder (70), and the holder (70) is connected to at least one electrically insulating spacer (67, 68) which is fastened to the cover surface (31). The invention also relates to a battery system which comprises at least one battery cell (2) according to the invention.

Abstract: The present invention relates to a clamping device (300) for battery cells (100), characterized by: a container that comprises a space (310) with a variable volume for receiving a fluid, the container being designed such that a battery cell (100) or a plurality of battery cells (100) can be clamped. The invention also relates to a battery module, a battery, a battery system, a vehicle and a method for producing a battery module (20; 30; 40; 50; 60).

Abstract: A battery unit (1) comprising a plurality of electrochemical cells (2), which each have an electrode arrangement (3) comprising a cathode contact-making element (4) and an anode contact-making element (5), and an accommodating device (6) comprising a plurality of accommodating units (7), which are each separated from one another by side walls (8), wherein in each case the electrode arrangement (3) of an electrochemical cell (2) of the battery unit (1) is introduced into the accommodating units (7), and the accommodating units (7) are closed by at least one electrolytic barrier (10), which is connected to the accommodating device (6), in such a way that the closed accommodating units (7) with the electrode arrangements (3) arranged therein form the electrochemical cells (2) of the battery unit (1).

Abstract: A battery cell, in particular lithium-ion battery cell, having a metallic housing (2), an electrode assembly (3) being received in the metallic housing (2), and the metallic housing (2) having a first housing element (4) which is connected electrically to a positive pole (8) of the electrode assembly (3) and a second housing element (5) which is connected electrically to a negative pole (9) of the electrode assembly (3), the battery cell (3) having, furthermore, at least one insulation element (10) which is configured for insulating the two housing elements (4, 5) from one another electrically and is arranged between the two housing elements (4, 5), characterized in that the at least one insulation element (10) has at least one barrier layer (6).

Abstract: The invention relates to a battery unit (1) comprising: a plurality of electrically interconnected electrochemical cells (2), each of said cells having an electrode arrangement (3), in particular a lithium-based electrode arrangement (3) with a cathode contact element (4) and an anode contact element (5); and an outer sheathing (7) surrounding a chamber (6) in which the electrochemical cells (2) are arranged. The outer sheathing (7) is designed as a humidity barrier and as a chemical barrier. Each individual electrochemical cell (2) of the battery unit (1) comprises an electrically insulating sheathing (8) which surrounds the respective electrode arrangement (3). The invention also relates to a battery module comprising a plurality of electrically interconnected battery units (1) designed according to the invention.

Abstract: The present invention relates to an energy storage unit (1) having a plurality of electrochemical cells (2), wherein the electrochemical cells (2) each have a first outer face (3) comprising a first electrode (5), and a second outer face (4) comprising a second electrode (6), and the electrochemical cells (2) are electrically interconnected owing to the lined-up arrangement (9) of the electrochemical cells (2) by way of the outer faces (3, 4) by means of the electrodes (5, 6). The energy storage unit (1) additionally comprises a first frame element (7) and a second frame element (8), which frame elements are directly or indirectly connected to one another, wherein the first frame element (7) is arranged at one end (10) of the lined-up arrangement (9) of the electrochemical cells (2), and the second frame element (8) is arranged at the other end (11) of the lined-up arrangement (9) of the electrochemical cells (2).