Patent application number | Description | Published |
20120189879 | METHOD AND DEVICE FOR APPLICATION OF A PRESSURE TO A BATTERY - A method and device is disclosed for application of a pressure to a battery which has at least one or more cells, in order to reduce adverse effects on operation which occur because of different battery states of charge. The device is designed to carry out the method such that the pressure is adjusted as a function of the respective battery volume and/or of the respective battery state of charge. | 07-26-2012 |
20120251881 | Galvanic Element - A galvanic element, for example a battery or an accumulator, in particular a lithium-ion cell, includes a negative electrode, a positive electrode, and a separator lying between the negative electrode and the positive electrode. In order to increase the specific capacitance, the negative electrode includes at least one layer system, said layer system including at least two graphene layers and at least one polymer layer. A polymer layer lies between two graphene layers. | 10-04-2012 |
20120306268 | Battery System for Micro-Hybrid Vehicles comprising High-Efficiency Consumers - A battery system for a motor vehicle is disclosed. The battery system includes an internal combustion engine, said battery system comprising at least one starting circuit, a low-voltage on-board supply system, and an on-board supply system with an increased voltage. The starting circuit has a starter battery and a starter that is connected, or can be connected, to the starter battery, said starter being used to start the internal combustion engine on a starter signal. The low-voltage on-board supply system has an on-board supply system battery used to produce a first voltage and to transmit same to the low-voltage on-board supply system, and at least one electrical consumer . The on-board supply system with increased voltage has at least one electric generator that can be operated by the internal combustion engine and is used to produce a second voltage higher than the first voltage and to transmit said second voltage to the on-board supply system with increased voltage. The on-board supply system with increased voltage is connected to the low-voltage on-board supply system by means of a first coupling unit used to draw electrical energy from the on-board supply system with increased voltage and to supply said energy to the low-voltage on-board supply system. The low-voltage supply system is connected to the starter circuit by means of a second coupling unit used to draw electrical energy from the low-voltage on-board supply system and to supply said energy to the starter circuit. A motor vehicle comprising a corresponding battery system is also disclosed. | 12-06-2012 |
20130026823 | BATTERY SYSTEM FOR MICRO-HYBRID VEHICLES COMPRISING HIGH-EFFICIENCY CONSUMERS - A battery system for a motor vehicle having an internal combustion engine includes at least one starting circuit, a low-voltage on-board supply system, and an on-board supply system with an increased voltage. The starting circuit has a first battery and a starter that is configured to be connected to the first battery. The low-voltage supply system has at least one electrical consumer and a second battery configured to produce a first voltage. The supply system with increased voltage has an electrical generator and a third battery configured to produce a second voltage that is higher than the first voltage. The electric generator is configured to produce a third voltage that is higher than the second voltage. A first coupling connects the supply system with increased voltage to the low-voltage supply system and transfers energy therebetween. A second coupling connects the low-voltage on-board supply system to the starter circuit. | 01-31-2013 |
20130266842 | Lithium Ion Cell - A lithium-ion cell includes a negative electrode, a positive electrode, and a separator arranged between the negative electrode and the positive electrode. In order to increase the mechanical stability of the separator and in the process to negatively influence the electrical power of the lithium-ion cell as little as possible, the separator includes at least one inorganic solid electrolyte layer conducting lithium ions. | 10-10-2013 |
20130323591 | Accumulator Cell with Coated Terminal - An accumulator cell comprises two terminals. One terminal is provided with a coating made of a metal. The metal is identical to the metal of which the second terminal consists, or each terminal is coated with a coating made of the same metal. The disclosure further relates to an accumulator and a motor vehicle with an accumulator. | 12-05-2013 |
20140015453 | Conductor Foil for a Lithium-Ion Cell, Lithium-Ion Accumulator and Motor Vehicle Comprising a Lithium-Ion Accumulator - A conductor foil for a negative electrode of a lithium-ion accumulator comprises at least one lithium-ion cell. The conductor foil comprises an aluminum foil both sides of which are covered by a metal layer consisting of copper or nickel. The disclosure further relates to a lithium-ion accumulator and to a motor vehicle comprising a lithium-ion accumulator. | 01-16-2014 |
20140145685 | Battery System and Method for Determining Battery Module Voltages - A battery system comprises at least two modules which include a plurality of battery cells, with each module being associated with a cell voltage detection unit which is connected to a central controller via a common communication bus. Each module additionally includes a module voltage detection unit which is connected to the central controller and is configured to separately detect the voltage of the associated module. | 05-29-2014 |
20140205867 | APPARATUS AND METHOD FOR PROVIDING SAFETY MEASURES DURING GAS RELEASE FROM A VEHICLE BATTERY AND INSTALLATION SPACE FOR A VEHICLE BATTERY - An apparatus for providing safety measures during gas release from a vehicle battery, such as a damaged lithium-ion rechargeable battery, arranged in a volume space having an opening includes at least one shroud element. The shroud element is configured to expand into the volume space by being filled with a gas such that, upon expansion of the shroud element, openings in the shroud element are enlarged and shroud element contents are discharged into the volume space through the enlarged openings in the shroud element. The apparatus further includes a device that, upon reception of a trigger signal, is configured to fill the shroud element at least partially with carbon dioxide gas such that carbon dioxide gas is discharged into the volume space as contents of the shroud element. An installation space includes the apparatus and a method is implemented to provide safety measures during gas release from the vehicle battery. | 07-24-2014 |
20140287297 | Battery Cell, Battery and Motor Vehicle - A battery cell includes a battery cell housing that is patterned in a form of a folding structure. In another embodiment, a battery cell includes a battery cell housing that is patterned in a form of a sandwich construction which comprises an intermediate layer and two cover layers. In a further embodiment, a battery cell includes a battery cell housing that is patterned in a form of an inversion structure. An exemplary battery includes a plurality of such battery cells, and can be comprised by a motor vehicle. | 09-25-2014 |
20140308591 | ALKALI METAL-OXYGEN CELL HAVING A TITANATE ANODE - An alkali metal-oxygen cell includes a negative electrode, an oxygen electrode, and a separator configured to conduct alkali metal ions. To improve the cycling stability of the negative electrode and also the cycling stability, the life, the high-current loading capability, the pulse loading capability and the safety behavior of the cell, the negative electrode includes at least one alkali metal titanate. In particular the at least one alkali metal titanate is one into or from which an alkali metal can reversibly be intercalated and deintercalated. | 10-16-2014 |
20140322569 | Battery System and Motor Vehicle - A battery system comprises a battery which includes a plurality of battery cells connected in series and two battery poles. The battery system further comprises at least one protection device, which is connected to the battery cells in series in such a manner that after the at least one protection device is tripped, a sum of voltages of the battery cells still connected in series does not exceed a limit voltage. The battery system also comprises a switching device which electrically connects the two battery poles, the switching device being configured to short-circuit the battery when a fault signal is detected, thus tripping the at least one protection device. | 10-30-2014 |
20140335384 | BATTERY, MOTOR VEHICLE AND METHOD FOR OPERATING THE BATTERY - A battery includes a battery cell, and an electrode of the battery cell is connected to the battery cell housing in an electrically conducting manner by a switching element. The battery also includes a monitoring circuit, which is configured to respond to detection of an interference signal by opening the switching element. The switching element is closed during operation without interference. | 11-13-2014 |
20140335401 | Hard Shell Cell Housing with Vapour Barrier Layer - A hard shell cell housing for an individual alkali metal cell includes a housing main body with an interior space that is configured to accommodate cell components of the individual alkali metal cell, and a housing cover configured to close off the interior space. The housing main body is formed at least substantially from plastic, and further includes at least one vapor barrier layer. | 11-13-2014 |
20140356653 | METHOD AND DEVICE FOR INCREASING SAFETY WHEN USING BATTERY SYSTEMS AND BURSTING DISCS - Method for increasing safety when using bursting discs (BV), wherein the bursting disc (BV) is suitable for releasing gas in a controlled manner from battery systems (B), wherein a signal, in particular a warning signal, is generated in dependence upon the spatial change at least of one site on the surface of the bursting disc (BV). | 12-04-2014 |
20140363712 | Hard Shell Housing Comprising Superhydrophobic Material - Hard shell housings for electrochemical elements include a main housing element that has an interior space configured to accommodate cell components, at least one electrochemical cell, and a housing lid configured to close off the interior space of the main housing element. The main housing element is formed at least substantially from plastic, and the main housing element comprises at least one superhydrophobic material. | 12-11-2014 |
20140368132 | Converter Unit for an Asynchronous Machine - A converter unit having at least one output. The at least one output is configured to be connected to a coil of an asynchronous machine. The converter unit is configured to provide several voltage levels at the at least one output. | 12-18-2014 |
20150042158 | Battery System, Motor Vehicle Comprising said Battery System, and Method for Producing a Ready Status for a Motor Vehicle Comprising said Battery System - A battery system comprises at least one battery module and a docking station on which the at least one battery module is arranged in a separately removable manner. Preferably, the docking station comprises supply and/or power connections for the battery system. | 02-12-2015 |