Abstract: Liquid electrolyte compositions comprising a salt of the formula (I) which has an anionic complex comprising three bidentate ligands are provided. The complex comprises antimony as the central ion. Electrochemical cells comprising the liquid electrolyte composition are further provided. Salts of formula (I) are further provided.

Abstract: Liquid electrolyte compositions comprising a salt of the formula (I) which has an anionic complex comprising three bidentate ligands are provided. The complex comprises phosphorus as the central ion. Electrochemical cells comprising the liquid electrolyte composition are further provided. Salts of formula (I) are further provided.

Abstract: A cathode for a solid-state battery is provided. The cathode includes the following components: (A) at least one cathode active material; and (B) at least one first fluorine-containing polymer with an at least partly fluorinated or perfluorinated base structure. The first fluorine-containing polymer contains at least one ionic group of the formula (I), wherein M is a cation selected from the group consisting of protons and alkali metals, n is a whole number from 1 to 4, Z represents a central ion selected from the group consisting of aluminum and boron, and R represents a monovalent and optionally fluorine-substituted hydrocarbon group which is selected from the group consisting of C1-C8 alkyl, C2-C10-alkenyl, C2-C10 alkinyl, C6-C12-cycloalkyl, and C6-C12 aryl. The ionic group is connected to the base structure of the first fluorine-containing polymer via at least one bridging oxygen atom of the ionic group.

Abstract: A battery storage device includes a storage housing and at least one battery cell which is arranged in the interior of the storage housing and contains an electrolyte based on sulfur dioxide. The battery storage device has a safety apparatus with a metering device which includes a foam-forming additive. The metering device is configured to produce a foam from the foam-forming additive in order to neutralize the electrolyte, and to release the foam in the interior of the storage housing.

Abstract: An electrical energy store for the storage of electrical energy for a motor vehicle, includes a housing which delimits a receptacle space, storage cells which are arranged in the receptacle space for the storage of the electrical energy, and a line element, which accommodates a through-flow of a coolant fluid for cooling the energy store. The line element has at least one longitudinal region which is routed in the receptacle space and is constituted of a first material having a first melting temperature, and at least one outflow opening that terminates in the receptacle space. A closure element closes the outflow opening and is constituted of a second material, which differs from the first material and has a second melting temperature which is lower than the first melting temperature. The closure element is to be melted for the release of the outflow opening. The storage cells are constituted as solid-body accumulators.

Abstract: A battery bank includes a bank housing and at least one battery cell arranged in an interior of the bank housing. Each battery cell contains a sulfur-dioxide-based electrolyte. The battery bank has a safety device including a cleaning device with a fluid additive for neutralizing gaseous sulfur-dioxide-based electrolyte components.

Abstract: A battery bank includes a bank housing and at least one battery cell, which is arranged within the bank housing and contains a sulphur-dioxide-based electrolyte. The battery bank has a safety apparatus with a metering device, which includes an additive for neutralizing the electrolyte and is configured to release the additive within the bank housing.

Abstract: The present disclosure is directed to an electrochemical energy store, a means of transport, a manufacturing method and a cell vent for an electrochemical energy store. In one form a cell vent comprises a first layer comprising a metal and a second layer comprising a first plastic, wherein the first layer and the second layer are arranged successively with respect to a pressure differential on the cell vent.

Abstract: A liquid electrolyte composition for an electrochemical cell is provided. The liquid electrolyte composition includes the following components: (A) sulfur dioxide; (B) at least one salt containing an anionic complex with at least one bidentate ligand. The ligand along with a central ion Z of the anionic complex forms a five to eight-membered ring containing a sequence of 2 to 5 carbon atoms, said sequence being optionally interrupted by a heteroatom.

Abstract: A liquid electrolyte composition for an electrochemical cell is provided. The liquid electrolyte composition includes the following components: (A) sulfur dioxide; (B) at least one salt. The salt containing an anionic complex with at least one bidentate ligand, and the salt corresponds to formula (I) or formula (II). M is a metal cation selected from the group consisting of alkali metals, alkaline earth metals, and metals from group 12 in the periodic table, m represents 1 or 2, Z is a central ion selected from among the group consisting of aluminum and boron. R1 and R2 each represents a monovalent hydrocarbon group; L1, L2 and L3 each independently represents an aliphatic or aromatic bridge group, the bridge group along with the central ion Z and with two oxygen atoms bound to the central ion Z and to the bridge group forming a ring.

Abstract: A method for operating an electrical stored energy source having a housing and at least one storage cell which is situated inside the housing. The method includes: first, a malfunction of the at least one storage cell and/or of the electrical stored energy source is determined, in which malfunction a fuel gas-air mixture is formed inside the housing. Then, inert gas is metered into the housing by a metering device of the electrical stored energy source, wherein sufficient inert gas is metered into the housing that the oxygen concentration inside the housing assumes a threshold value. The oxygen concentration is detected by an oxygen sensor of the electrical stored energy source. The threshold value is less than or equal to the oxygen limit concentration, which is defined as the maximum oxygen concentration at which combustion of the mixture of fuel gas, air and inert gas in the electrical stored energy source is not possible.

Abstract: A method is provided for operating a lithium ion battery having at least one lithium ion cell and a heating device, the method includes a step of operating the lithium ion battery in a temperature range between 5 and 90° C. The heating device is designed to operate the lithium ion battery in a temperature range between 5 and 90° C. The lithium ion cell includes an anode, a cathode, a separator, a current collector and an electrolyte. The electrolyte can contain LiBOB as the conducting salt and at least one solvent selected from propylene carbonate and ethylene carbonate; or having LiFSI and/or LiDFOB as the conducting salt and at least one solvent selected from glycol ether and/or DMC; or having LiFSI and/or LiTFSI and/or LiDFOB and/or LiTDI as the conducting salt and at least one solvent selected from imidazolium compounds, pyrrolidinium compounds and piperidinium compounds.

Abstract: A method for diagnosing lithium plating in lithium ion batteries includes performing electrochemical impedance spectroscopy analysis on complete or undisassembled lithium-ion batteries under different temperatures.

Abstract: A battery cell has a plurality of electrode units in a common battery cell housing. Each of the electrode units includes a protective film having an inner layer and an outer layer, where the inner layer is arranged on the electrode unit and the outer layer is arranged on the inner layer. The outer layer has a higher melting point than the inner layer.

Abstract: A battery cell has an electrical fuse. The electric fuse is a fusible link which is arranged on a terminal on an outside of a housing of the battery cell. The fusible link is covered by a polymer.

Abstract: An electrical energy store for the storage of electrical energy for a motor vehicle, includes a housing which delimits a receptacle space, storage cells which are arranged in the receptacle space for the storage of the electrical energy, and a line element, which accommodates a through-flow of a coolant fluid for cooling the energy store. The line element has at least one longitudinal region which is routed in the receptacle space and is constituted of a first material having a first melting temperature, and at least one outflow opening that terminates in the receptacle space. A closure element closes the outflow opening and is constituted of a second material, which differs from the first material and has a second melting temperature which is lower than the first melting temperature. The closure element is to be melted for the release of the outflow opening. The storage cells are constituted as solid-body accumulators.

Abstract: A rechargeable battery is to be installed in a passenger transport vehicle as storage for the drive energy thereof. The rechargeable battery includes a plurality of galvanic cells and sensors for monitoring the state of the individual cells for the purpose of generating warning messages concerning the failure of individual cells. One of the sensors is an infrared matrix sensor, wherein the acquisition range of the infrared matrix sensor includes an area on which surface sides of the plurality of individual cells lie adjacent to one another.

Abstract: A battery unit for a traction battery of a motor vehicle is provided. The battery unit includes at least two battery cells arranged adjacent to one another, which each include at least one venting unit for venting the cell housing thereof. The venting units are arranged on sides of the battery cells that are facing each other, and at least two shield units are arranged between the sides of the battery cells that face each other and at a distance from one another. Each shield unit includes a shield wall having at least one opening and at least one closure element. The opening of each shield wall is arranged aligned with the venting unit of the battery cell arranged closest to this shield wall in each case. The closure element, in a closing position, in which the closure element closes the opening, is arranged fully against the shield wall and in an open position, in which the closure element at least partially reveals the opening, is at least partially separated from the shield wall.

Abstract: Please replace the original Abstract with the following new Abstract: A method for detecting abnormal self-discharge in a battery system by monitoring the balancing charge for each cell and a battery system which is configured to use this method are provided. The method makes it possible to predict the probability of the occurrence of a safety-critical state, for example, an internal short circuit, with the result that suitable countermeasures can be taken in good time.

Abstract: A test device for an electrochemical cell is arranged inside the electrochemical cell in such a way that it is in electrical contact with two current-carrying electrodes of the electrochemical cell. The test device includes a switching device having at least one cathode and one anode partial electrode which are adjacently arranged, but with a space thereinbetween. In an initial state, the switching device is opened such that electrical current cannot flow between the partial electrodes. The switching device is closed in a short-circuit state by bridging the space between the partial electrodes such that an electrical current can flow between the current-carrying electrodes of the electrochemical cell and through the partial electrodes.