Abstract: A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. A support frame surrounds the cell stack and is configured to receive and support the outer peripheral edge of the edge insulating device of each cell.

Abstract: A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and electrically insulates a given cell of the cell stack from an adjacent cell of the cell stack including along a periphery of the cells.

Abstract: A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. Within each cell, an elastic seal is provided between the edge insulating device and the first surface of one cell or the solid electrolyte layer of an adjacent cell.

Abstract: A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. The edge insulating device physically contacts and is directly secured to one of the first surface of one cell and the solid electrolyte layer of an adjacent cell, and is movable relative to, the other of the first surface of the one cell and the solid electrolyte layer of the adjacent cell.

Abstract: A battery includes a stacked arrangement of electrochemical cells. Each electrochemical cell is free of a cell housing and includes a bipolar plate having a substrate, a first active material layer formed on a first surface of the substrate, and a second active material layer formed on a second surface of the substrate. Each cell includes a solid electrolyte layer that encapsulates at least one of the active material layers, and an edge insulating device that is disposed between the peripheral edges of the substrates of each pair of adjacent cells. Within each cell, the substrate includes a surface feature that is engaged with a corresponding feature of the edge insulating device in such a way as to locate the edge insulating device relative to the bipolar plate.

Abstract: A separator and/or protective layer for a lithium cell. In order to enable rapid charging of the cell and to extend the service life of the cell, the separator and/or the protective layer encompasses a copolymer and/or a polymer blend, the copolymer encompassing at least one repeating unit for constituting a polymer having a lithium-ion transference number >0.7 and at least one mechanically stabilizing repeating unit, and/or the polymer blend encompassing at least one polymer having a lithium-ion transference number >0.7 and at least one mechanically stabilizing polymer. Cells, and copolymers, polymer blends, and polymer electrolytes on the basis of polymers having a lithium-ion transference number >0.7, are also described.

Abstract: A cathode material for an electrochemical cell, in particular a lithium-sulfur cell, including at least one cathode active material and at least one in particular lithium ion-conducting or lithium ion-conductive polymer electrolyte and/or at least one inorganic ion conductor, in particular a lithium ion conductor. The at least one cathode active material includes a polymer containing in particular covalently bound sulfur. Moreover, also described is a cell and a battery equipped with same.

Abstract: A polymer or a polymer electrolyte and cathode material for an alkali metal cell, in particular for a lithium-sulfur cell. To improve the performance and reliability of alkali metal cells, for example lithium-sulfur cells, a polymer based on the general chemical formula (I) is provided, where -[A]- stands for a unit which forms a polymer backbone, X stands for a spacer, x stands for the number of spacers X and is 1 or 0, Q stands for a positively charged group Q+ and a counterion Z?, or Q stands for a negatively charged group Q? and a counterion Z+, or Q stands for an uncharged group. Moreover, the invention relates to the use thereof, and a cathode, a separator, a protective layer, and a cell.

Abstract: A method of producing a cross-linked polyacrylonitrile-sulfur composite material, in which polyacrylonitrile is reacted with sulfur and at least one cross-linking agent to form a cross-linked polyacrylonitrile-sulfur composite material and the cross-linking agent includes at least one functional group, selected independently of one another from an ethylenically unsaturated functional group, an epoxy group and a thiirane group. In addition, the invention relates to a polyacrylonitrile-sulfur composite material, a cathode material, an alkali metal-sulfur cell or an alkali metal-sulfur battery as well as to an energy store.

Abstract: The invention relates to an electrolyte (1, 1?), in particular a solid electrolyte, for an electrochemical cell and/or battery (100), in particular for a lithium cell and/or lithium battery. In order to enable fast charging of the cell and/or battery (100) and to extend the service life of the cell and/or battery (100), the electrolyte (1, 1?) comprises at least one metal-organic framework compound and at least one single-ion conductor. The invention further relates to a separator and/or to an electrode protection layer (10), to a cathode (11), to an anode, and to a cell and/or battery (100).

Abstract: A method for manufacturing a solid electrode. To more strongly utilize the intrinsic properties of a porous active material with respect to capacitance and therefore energy density and also rate and high-current capability, in the method, porous active material particles are impregnated using an ion-conducting liquid which contains monomers and/or oligomers in particular and a solid electrode is formed from the impregnated active material particles by adding at least one solid electrolyte. In addition, the invention relates to such solid electrodes and all-solid-state cells.

Abstract: An assemblage having a thermally insulating switch and a thermal insulator for constituting an electrical conductor passthrough through the thermal insulator. The thermal insulator insulates an inner space from an outer space, the assemblage having inner connector on the side of the inner space and outer connector on the side of the outer space, which are electrically conductively connectable by the switch. The assemblage has a control unit for controlling the thermally insulating switch, a current flowing through the switch is detectable by the control unit, the switch is controllable by the control unit in such a way that the switch is actuatable only in a substantially zero-current state, and the switch is disposed in the thermal insulator in such a way that thermal insulation between the inner connector and the outer connector is accomplished by way of the switch in the open state.

Abstract: A cathode material for an alkali metal/sulfur cell, which encompasses at least one sulfur-containing cathode active material and at least one transition metal sulfide and/or at least one metal sulfide of at least one metal of the third, fourth, and/or fifth main group. Also described is a cell and a battery equipped therewith.

Abstract: A separator of a lithium cell or battery includes (I) a protective layer that includes at least one single lithium-ion conducting polyelectrolyte, a lithium-ion conducting or lithium-ion conductive block copolymer, and/or an inorganic lithium-ion conductor, and (II) a contact layer that includes at least one polymer electrolyte made of (a) a lithium-ion conductive polymer that includes a main chain and at least one side chain and (b) at least one lithium conducting salt.

Abstract: An assemblage having a thermally insulating switch and a thermal insulator for constituting an electrical conductor passthrough through the thermal insulator. The thermal insulator insulates an inner space from an outer space, the assemblage having inner connector on the side of the inner space and outer connector on the side of the outer space, which are electrically conductively connectable by the switch. The assemblage has a control unit for controlling the thermally insulating switch, a current flowing through the switch is detectable by the control unit, the switch is controllable by the control unit in such a way that the switch is actuatable only in a substantially zero-current state, and the switch is disposed in the thermal insulator in such a way that thermal insulation between the inner connector and the outer connector is accomplished by way of the switch in the open state.

Abstract: A device for sealing an electrochemical cell including a carrier on which an anode is situated and a separator situated between the anode and a cathode, having an elastic connection of the carrier and the separator, an action of force on the separator, caused by a change in volume of the anode, being capable of being absorbed by the elastic connection of the carrier and the separator. In addition, a corresponding method for sealing an electrochemical cell is described.

Abstract: A cathode material for an electrochemical cell, in particular a lithium-sulfur cell, including at least one cathode active material and at least one in particular lithium ion-conducting or lithium ion-conductive polymer electrolyte and/or at least one inorganic ion conductor, in particular a lithium ion conductor. The at least one cathode active material includes a polymer containing in particular covalently bound sulfur. Moreover, also described is a cell and a battery equipped with same.

Abstract: A polymer or a polymer electrolyte and cathode material for an alkali metal cell, in particular for a lithium-sulfur cell. To improve the performance and reliability of alkali metal cells, for example lithium-sulfur cells, a polymer based on the general chemical formula (I) is provided, where -[A]- stands for a unit which forms a polymer backbone, X stands for a spacer, x stands for the number of spacers X and is 1 or 0, Q stands for a positively charged group Q+ and a counterion Z?, or Q stands for a negatively charged group Q? and a counterion Z+, or Q stands for an uncharged group. Moreover, the invention relates to the use thereof, and a cathode, a separator, a protective layer, and a cell.

Abstract: A polymer or a polymer electrolyte and cathode material for an alkali metal cell, in particular for a lithium-sulfur cell. To improve the performance and reliability of alkali metal cells, for example lithium-sulfur cells, a polymer based on the general chemical formula (I) is provided, where -[A]- stands for a unit which forms a polymer backbone, X stands for a spacer, x stands for the number of spacers X and is 1 or 0, Q stands for a positively charged group Q+ and a counterion Z?, or Q stands for a negatively charged group Q? and a counterion Z+, or Q stands for an uncharged group. Moreover, the invention relates to the use thereof, and a cathode, a separator, a protective layer, and a cell.

Abstract: A method for manufacturing a solid electrode. To more strongly utilize the intrinsic properties of a porous active material with respect to capacitance and therefore energy density and also rate and high-current capability, in the method, porous active material particles are impregnated using an ion-conducting liquid which contains monomers and/or oligomers in particular and a solid electrode is formed from the impregnated active material particles by adding at least one solid electrolyte. In addition, the invention relates to such solid electrodes and all-solid-state cells.