Method for producing a structural member from plates stacked on top of each other and soldered together

A method for producing a component out of stacked plates (9, 10) soldered to one another, into at least some of which recesses (11, 12, 13) are made, is proposed, in which at least one solder layer (8) is provided between the plates (9, 10) for a solder diffusion process. According to the invention, the plates (9, 10), with solder layers (8) between them, are stacked on one another and compressed in the cold state before the solder diffusion process. With this provision, the use of complicated pressing tools in the actual solder diffusion process is avoided.

Method for monitoring a charging process of a battery

A method is described for monitoring a charging process of a battery, in which cell voltages of a plurality of battery cells are measured at regular time intervals, and loading of the battery by a process of switching on an additional electrical load is prevented if the measured cell voltage of one battery cell exceeds a predetermined cell voltage threshold value. A motor vehicle is also described, which is configured to carry out the method according to the disclosure during a battery charging process. In addition, a battery system is described, in which a controller is configured to determine an estimated value as a function of measured battery parameters during a charging process of the battery. The estimated value corresponds to the maximum temperature in the battery if the charging process is continued without interruption.

Method for Monitoring a Charging Process of a Battery

A method is described for monitoring a charging process of a battery, in which cell voltages of a plurality of battery cells are measured at regular time intervals, and loading of the battery by a process of switching on an additional electrical load is prevented if the measured cell voltage of one battery cell exceeds a predetermined cell voltage threshold value. A motor vehicle is also described, which is configured to carry out the method according to the disclosure during a battery charging process. In addition, a battery system is described, in which a controller is configured to determine an estimated value as a function of measured battery parameters during a charging process of the battery. The estimated value corresponds to the maximum temperature in the battery if the charging process is continued without interruption. 1. A method for monitoring a charging process of a battery , wherein (i) the battery , a charging module , which supplies the battery with a charging current , and at least one additional electrical consumer are components of an electrical circuit , and (ii) the battery comprises a plurality of battery cells connected in series , comprising:measuring cell voltages of the plurality of battery cells at regular time intervals; andpreventing loading of the battery by a switch-on process of the at least one additional electrical consumer if the measured cell voltage of a battery cell of the plurality of battery cells exceeds a predetermined cell voltage threshold value.2. The method as claimed in claim 1 , wherein:the battery and the at least one additional electrical consumer are parts of a motor vehicle, anda main control device of the motor vehicle actuates the at least one additional electrical consumer.3. The method as claimed in claim 1 , wherein the at least one additional electrical consumer is an electric cooling unit configured to cool the battery.4. The method as claimed in claim 3 , further comprising:measuring a battery charging ...

Air-conditioning unit with additional heat transfer unit in the refrigerant circuit

The invention relates to an air-conditioning unit (10) for a motor vehicle with a heating heat transfer unit (28) connected to a coolant circuit (42) in an internal combustion engine and comprising an evaporator (22) installed upstream in the direction of flow of a fan (36). A compressor (12) in a refrigerant circuit (32) pumps a refrigerant through a gas cooler (16) and an expansion valve (20) during a cooling operation, and pumps said refrigerant to the evaporator (22) via the expansion valve (20) by by-passing the gas cooler (16) during a heating operation. A coupled heat exchanger (30) is provided between the coolant circuit (42) and the refrigerant circuit (32). The invention provides that the coupled heat exchanger (30) is located in the refrigerant circuit (32) on the pressure side of the compressor (12) upstream of the gas cooler (16), a first by-pass line (80) is provided parallel to the gas cooler (16) and the flow through the gas cooler (16) and the first by-pass line (80) is ...

FLUID RESERVOIR HAVING A GAS SENSOR AND A FILTER

The invention relates to a fluid reservoir (1), especially an adsorption fluid reservoir comprising a fluid inlet (2). The fluid reservoir according to the invention is characterized by a gas analysis unit (3) for detecting unwanted impurities.

Method for producing a structural member from plates stacked on top of each other and soldered together

A method for producing a component out of stacked plates (9, 10) soldered to one another, into at least some of which recesses (11, 12, 13) are made, is proposed, in which at least one solder layer (8) is provided between the plates (9, 10) for a solder diffusion process. According to the invention, the plates (9, 10), with solder layers (8) between them, are stacked on one another and compressed in the cold state before the solder diffusion process. With this provision, the use of complicated pressing tools in the actual solder diffusion process is avoided.

Heat exchanger for a co2 vehicle air conditioner

A heat exchanger is described, having a first channel through which a stream of refrigerant flows on the high pressure side in a first direction, and a second channel, separate from the first channel, through which refrigerant flows on the low pressure side in a second direction opposite the first direction, wherein the first and second channels each have a large number of small channels (11, 12, 13, . . . ) formed in or on individual heat transfer plates (1, 2, 3, . . . ), and a plurality of layers of the heat transfer plates are soldered or welded together.

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. 1. An accumulator cell comprising:a first terminal; anda second terminal composed of a metal,wherein the first terminal has a coating which is composed of the metal identical to the metal from which the second terminal is composed.2. The accumulator cell as claimed in claim 1 , wherein the accumulator cell is a lithium-ion cell.3. The accumulator cell as claimed in claim 1 , wherein the metal of the coating is selected from the group consisting of copper claim 1 , nickel claim 1 , stainless steel claim 1 , and aluminum.4. The accumulator cell as claimed in claim 1 , wherein the coating is applied by electroplating.5. The accumulator cell as claimed in claim 1 , wherein the coating is applied by means of sputtering.6. The accumulator cell as claimed in claim 1 , wherein the coating is applied by means of ion beam coating.7. An accumulator comprising:a first accumulator cell having (i) a first terminal and (ii) a second terminal composed of a metal, wherein the first terminal has a coating composed of the metal identical to the metal from which the second terminal is composed; anda second accumulator cell having (i) a third terminal and (ii) a fourth terminal composed of the metal, wherein the third terminal has the coating which is composed of the metal,wherein the metal used for the coating makes contact is with the terminals of the first and second accumulator cells to form the accumulator.8. A motor vehicle having an electric drive motor for driving the motor vehicle and having an accumulator as claimed in connected to the electric drive motor.9. An accumulator cell comprising:a first terminal having a first coating; anda second terminal ...

Fluid reservoir having a gas sensor and a filter

An absorption fluid reservoir having a fluid inlet for receiving gases during a charging event and a gas analysis unit for detecting unwanted impurities in the gases prior to being received in the reservoir and a control unit for eliminating the gases having the impurities.

Device and method for cooling

The invention relates to an apparatus for cooling, having a loop (60) carrying a refrigerant, a first heat exchanger (10) for outputting heat to a heat reservoir (12), a second heat exchanger (114) for extracting heat from a chamber (116) to be cooled, a compressor (18) and an expansion device (120), wherein in that a first further heat exchanger (70) is provided, which enables a heat transfer between the loop (60) carrying the refrigerant and a coolant loop (80). The invention also relates to a method for cooling.

DEVICE AND METHOD FOR COOLING A BATTERY MODULE

In a battery module, having a housing, at least one battery, which is disposed in the housing, at least one inlet opening for introducing a cooling fluid into the housing, and at least one outlet opening for conducting the cooling fluid out of the housing. According to the invention, compressed cooling fluid can be supplied to the at least one inlet opening using a compressor. A reduction of the cooling performance because of heating of the compressed cooling fluid is to be at least partially avoided. Furthermore, the design effort is to be low and the battery module is to be cost-effective to produce. The invention solves a problem in that the cooling fluid can be cooled by a cooling apparatus.

Air-conditioning unit with additional heat transfer unit in the refrigerant circuit

The invention relates to an air-conditioning unit ( 10 ) for a motor vehicle with a heating heat transfer unit ( 28 ) connected to a coolant circuit ( 42 ) in an internal combustion engine and comprising an evaporator ( 22 ) installed upstream in the direction of flow of a fan ( 36 ). A compressor ( 12 ) in a refrigerant circuit ( 32 ) pumps a refrigerant through a gas cooler ( 16 ) and an expansion valve ( 20 ) during a cooling operation, and pumps said refrigerant to the evaporator ( 22 ) via the expansion valve ( 20 ) by by-passing the gas cooler ( 16 ) during a heating operation. A coupled heat exchanger ( 30 ) is provided between the coolant circuit ( 42 ) and the refrigerant circuit ( 32 ). The invention provides that the coupled heat exchanger ( 30 ) is located in the refrigerant circuit ( 32 ) on the pressure side of the compressor ( 12 ) upstream of the gas cooler ( 16 ), a first by-pass line ( 80 ) is provided parallel to the gas cooler ( 16 ) and the flow through the gas cooler ...

MOTOR VEHICLE WITH A GAS TANK

The invention proposes a vehicle (1) having a fuel cell system and/or an internal combustion engine and having at least one gas tank (2) for being filled with a gaseous fuel, in particular with natural gas or hydrogen, wherein a metal organic framework (MOF) is arranged in the interior of the gas tank (2) as a storage material for holding the fuel, wherein a comparatively high storage density is obtained and/or sufficient space for luggage or loading is made available in the vehicle (1). This is achieved according to the invention in that the gas tank (2) which comprises the metal organic framework (MOF) is embodied as a compressed-gas tank (2) for storing the gaseous fuel under pressure.

DEVICE FOR INCREASING SAFETY WHEN USING BATTERY SYSTEMS

A battery cell (BZ), in particular a lithium-ion battery cell, wherein the battery cell (BZ) has a number of contact sensor elements (S) for detecting elements (N) which bear on the contact sensor elements (S) or apply pressure to the contact sensor elements (S), wherein the contact sensor elements (S) are electrically insulated from one another. 1. A battery cell (BZ) comprising a number of contact sensor elements (S) for detecting elements (N) which bear on the contact sensor elements (S) or apply pressure to the contact sensor elements (S) , wherein the contact sensor elements (S) are electrically insulated from one another.2. The battery cell (BZ) according to claim 1 , characterized in that an insulating layer (I) is arranged between a housing (G) of the battery cell (BZ) and the contact sensor elements (S).3. The battery cell (BZ) according to claim 2 , characterized in that the insulating layer (I) is constructed from polyimides and/or polyethylene terephthalate.4. The battery cell (BZ) according to claim 2 , characterized in that the insulating layer (I) has a thickness of 30 μm to 120 μm.5. The battery cell (BZ) according to claim 1 , characterized in that the contact sensor elements (S) are arranged at a distance of 2 mm to 3 mm from one another.6. The battery cell (BZ) according to claim 1 , characterized in that the contact sensor elements (S) are constructed from nickel or copper or aluminum.7. The battery cell (BZ) according to claim 2 , characterized in that the contact sensor elements (S) are arranged as films on the insulating layer (I).8. The battery cell (BZ) according to claim 1 , characterized in that the contact sensor elements (S) are arranged inside or outside the housing (G).9. The battery cell (BZ) according to claim 1 , characterized in that the contact sensor elements (S) are connected to evaluation electronics.10. The battery cell (BZ) according to claim 1 , characterized in that the contact sensor elements (S) are connected to a safety ...

Heat transfer device

An apparatus for transferring heat from a first fluid to a second fluid, which is separated from the first fluid, having a stack-like or saucer-like structure comprising at least two plies (1, 2, 3), in particular plates (1, 2, 3), whereby each ply (1, 2, 3) comprises a heat-transferring area that has numerous passages (11, 12, 13), an inlet area located in front of the heat-transferring area in the direction of flow, and an exit area located behind the heat-transferring area in the direction of flow is proposed in which a relatively large heat-transferring surface area is realized in a small volume, hereby ensuring uninterrupted operation, even when the pressure differential between the two fluids is great. This is achieved according to the invention in that the inlet and/or exit area comprises at least one support element (18).

Device and method for cooling a battery module

In a battery module, having a housing, at least one battery, which is disposed in the housing, at least one inlet opening for introducing a cooling fluid into the housing, and at least one outlet opening for conducting the cooling fluid out of the housing. According to the invention, compressed cooling fluid can be supplied to the at least one inlet opening using a compressor. A reduction of the cooling performance because of heating of the compressed cooling fluid is to be at least partially avoided. Furthermore, the design effort is to be low and the battery module is to be cost-effective to produce. The invention solves a problem in that the cooling fluid can be cooled by a cooling apparatus.

Cooling device for cooling components of the power electronics, said device comprising a micro heat exchanger

The present invention relates to a cooling device, in particular for cooling of components of power electronics, using a coolant which flows through a micro heat exchanger (10) having a good heat contact with the component (1), and wherein the coolant is selected in such a way that it evaporates in the micro heat exchanger (10) at the desired component temperature.

Rechargeable battery including battery cells with casings having different wall thicknesses

A rechargeable battery has a plurality of rechargeable battery cells which are situated in an interspaced manner in a rechargeable battery housing filled at least partially with a filler material which encloses the rechargeable battery cells, with a first rechargeable battery cell including a first casing, and a second rechargeable battery cell including a second casing, such that the first casing and the second casing having different wall thicknesses, at least in sections.

Method for operating an air conditioning installation

The invention is based on a method for operating a climate control system for a vehicle, in the case of which a compressor (38), in a cooling mode, circulates a coolant through a gas condensing apparatus (42) and an expansion device (50) to a passenger-compartment heat exchanger (44) and, in a heating mode, circulates the coolant in the reverse direction of flow first through the passenger-compartment heat exchanger (44), the expansion device (50), and then through the gas condensing apparatus (42), in parallel with which a bypass line (56) comprising a switching valve (58) is provided. It is proposed that, in the heating mode, the switching valve (58) in the bypass line (56) is opened and the flow of coolant through the gas condensing apparatus (42) is stopped as soon as a layer of ice that exceeds a limit thickness has formed on the air side of the gas condensing apparatus (42).

Fluid Reservoir with Thermal Management

The invention relates to a fluid reservoir, particularly a fluid reservoir with a sorption medium. According to the invention an improvement is provided by a device for the temperature control of the fluid reservoir.

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. 1. A lithium ion cell comprising:a negative electrode;a positive electrode; anda separator arranged between the negative electrode and the positive electrode, and including at least one inorganic solid-state electrolyte layer which conducts lithium ions.2. The lithium ion cell as claimed in claim 1 , wherein the at least one inorganic solid-state electrolyte layer which conducts lithium ions does not conduct electrons.3. The lithium ion cell as claimed in claim 1 , wherein the at least one inorganic solid-state electrolyte layer which conducts lithium ions comprises at least one lithium ion-conducting compound selected from the group consisting of lithium ion-conducting compounds of the perovskite type claim 1 , lithium ion-conducting compounds of the NASICON type claim 1 , lithium ion-conducting compounds of the LiSICON type claim 1 , lithium ion-conducting compounds of the thio-LiSICON type claim 1 , lithium ion-conducting compounds of the garnet type claim 1 , lithium ion-conducting composites claim 1 , amorphous claim 1 , inorganic lithium ion-conducting compounds claim 1 , lithium ion-conducting compounds of the LiPON type claim 1 , lithium ion-conducting compounds of the LiSON type claim 1 , lithium ion-conducting compounds of the LiPOS type claim 1 , lithium ion-conducting compounds of the LiBSO type claim 1 , lithium ion-conducting compounds of the LiSIPON type claim 1 , and mixtures thereof.4. The lithium ion cell as claimed in claim 1 , wherein the at least one inorganic solid-state electrolyte layer which conducts lithium ions includes at ...

BATTERY CELL WITH A RAPID DISCHARGE UNIT AND RAPID DISCHARGE METHOD FOR SUCH A BATTERY CELL

A battery cell ( 10 ) with two battery cell terminals ( 11, 12 ) which are contactable from inside and/or outside the battery cell ( 10 ), and an electrochemical part ( 20 ) comprising at least one separator. Upon the achievement of a predefined temperature, the at least one separator is at least partially impermeable to ions which can be generated in the electrochemical part ( 20 ). The battery cell ( 10 ) has a rapid discharge unit ( 30 ), which is connectable between the battery cell terminals ( 11, 12 ) and which, in a switched-in and consequently activated state, has a predefined resistance value. The predefined resistance value is selected such that, with the rapid discharge unit ( 30 ) switched-in, the at least one separator achieves the predefined temperature.

GAS ABSORPTION RESERVOIR WITH OPTIMIZED COOLING

The invention relates to a fuel reservoir for gaseous fuel in a vehicle, in particular a sorption reservoir. The fuel reservoir is delimited by at least one wall and includes a sorption material that is contained in its interior. The fuel reservoir has a tank inlet valve containing a shut-off valve and a throttle restriction valve. The restriction of the gaseous fuel takes place inside the fuel reservoir.

EXTINGUISHING AGENT

An extinguishing agent for firefighting and fire prevention includes a suspension of at least water, a salt which is hardly soluble in water and has a cation of the elements calcium, magnesium, or strontium, and a water thickener. A method for producing the extinguishing agent includes dissolving the water thickener in water, introducing the sparingly soluble salt, and producing a suspension comprising the sparingly soluble salt and the water thickener. A firefighting system includes the extinguishing agent, which is used in firefighting and fire prevention of lithium ion batteries. 1. An extinguishing agent composed of a suspension , comprising:at least water,a salt which has a cation based on calcium, magnesium or strontium and is sparingly soluble in water, anda water thickener.2. The extinguishing agent as claimed in claim 1 , wherein calcium carbonate (CaCO) is the sparingly soluble salt.3. The extinguishing agent as claimed in wherein the extinguishing agent comprises the sparingly soluble salt in a proportion in the range from 5% by weight to 30% by weight.4. The extinguishing agent as claimed in claim 1 , wherein the sparingly soluble salt has an average particle size in the range from 0.2 μm to 10 μm.5. A fire fighting system claim 1 , comprising: at least water,', 'a salt which has a cation based on calcium, magnesium or strontium and is sparingly soluble in water, and', 'a water thickener., 'an extinguishing agent including6. A process for producing an extinguishing agent comprising water claim 1 , a salt which is sparingly soluble in water and a water thickener claim 1 , comprising:dissolving the water thickener in water,introducing the sparingly soluble salt, andproducing a suspension comprising the sparingly soluble salt and the water thickener.7. The extinguishing agent as claimed in claim 1 , wherein the extinguishing agent is configured to one or more of prevent fires and extinguish fires.8. The extinguishing agent as claimed in claim 7 , wherein ...

Heat transfer device

An apparatus for transferring heat from a first fluid to a second fluid, which is separated from the first fluid, having a stack-like or saucer-like structure comprising at least two plies ( 1, 2, 3 ), in particular plates ( 1, 2, 3 ), whereby each ply ( 1, 2, 3 ) comprises a heat-transferring area that has numerous passages ( 11, 12, 13 ), an inlet area located in front of the heat-transferring area in the direction of flow, and an exit area located behind the heat-transferring area in the direction of flow is proposed in which a relatively large heat-transferring surface area is realized in a small volume, hereby ensuring uninterrupted operation, even when the pressure differential between the two fluids is great. This is achieved according to the invention in that the inlet and/or exit area comprises at least one support element ( 18 ).

Method for operating an airconditioning installation

The invention is based on a method for operating a climate control system for a vehicle, in the case of which a compressor ( 38 ), in a cooling mode, circulates a coolant through a gas condensing apparatus ( 42 ) and an expansion device ( 50 ) to a passenger-compartment heat exchanger ( 44 ) and, in a heating mode, circulates the coolant in the reverse direction of flow first through the passenger-compartment heat exchanger ( 44 ), the expansion device ( 50 ), and then through the gas condensing apparatus ( 42 ), in parallel with which a bypass line ( 56 ) comprising a switching valve ( 58 ) is provided. It is proposed that, in the heating mode, the switching valve ( 58 ) in the bypass line ( 56 ) is opened and the flow of coolant through the gas condensing apparatus ( 42 ) is stopped as soon as a layer of ice that exceeds a limit thickness has formed on the air side of the gas condensing apparatus ( 42 ).

Battery housing for lithium-ion cells

A battery housing includes an inner chamber configured to accommodate galvanic cells, in particular lithium-ion cells, which are provided with a cut-out area that can be opened in the event of failure of the cell. In order to prevent, retard and optionally at least partially extinguish a fire in the event of the failure of one or more cells, for example during an accident of an electrically operated vehicle, the inner chamber of the battery housing includes at least one dispenser for dispensing a flame-inhibiting, flame-retarding and/or flame-extinguishing agent. The dispenser has at least one dispenser opening arranged adjacent to a cut-out area of a cell and configured to be opened. The dispenser opening is configured to be opened during a mechanical shock and/or a temperature increase and/or a pressure increase above a predetermined limit value.

DEVICE HAVING AT LEAST ONE ELECTROCHEMICAL CELL, AND METHOD FOR OPERATING A DEVICE HAVING AT LEAST ONE ELECTROCHEMICAL CELL

The invention is based on a device having at least one electrochemical cell (20, 30). It is proposed that a volume (12) for receiving the at least one cell (20, 30), which volume is capable of being subjected to pressure by a pressure medium, is provided for subjecting the at least one cell (20, 30) to external pressure.

CHARGING METHOD FOR AN ELECTRICAL ENERGY STORE

A charging method () for an electrical energy store () of a motor vehicle () is disclosed, including the steps of: 11002220. A charging method () for an electrical energy store () of a motor vehicle () , the method comprising:{'b': 110', '22, 'detecting () the current charge state of the electrical energy store (),'}{'b': 120', '20, 'detecting () the planned scope of use of the motor vehicle (),'}{'b': '130', 'ascertaining () the ambient temperatures present during the planned use,'}{'b': '140', 'ascertaining () a target charge state of the electrical energy store as a function of the maximum possible charge state and the detected ambient temperature,'}{'b': '150', 'producing () a signal as a function of the ascertained target charge state, and'}{'b': 28', '48', '17, 'transmitting the produced signal to the charging current regulator (, ), to an output means (), or both.'}2100. The charging method () according to claim 1 , further comprising:{'b': 160', '22, 'charging () the electrical energy store () until the target charge state is reached,'}{'b': 170', '22, 'ascertaining () the duration for charging the electrical energy store () to the maximum possible charge state proceeding from the target charge state,'}{'b': 180', '22, 'producing () a control signal that causes the target charge state to be reached before or at the planned use of the electrical energy store ().'}3100. The charging method () according to claim 1 , wherein the scope of use comprises the expected mode of driving claim 1 , the expected height profile claim 1 , the presence or absence of the user claim 1 , the route profile claim 1 , or a combination of the foregoing.4100. The charging method () according to claim 1 , further comprising:{'b': '133', 'ascertaining () the lowest permissible charge state as a function of the planned use and the ascertained ambient temperatures.'}5100136. The charging method () according to claim 1 , wherein the self-discharge rate () is detected and in that the ...

System and method for cooling or heating

The invention relates to a system for cooling and heating, having a first heat exchanger (10) for outputting heat to and extracting it from a heat reservoir (12); a second heat exchanger (14) for extracting heat from and outputting it into a space (16) to be cooled or heated; a compressor (18); an expansion device (20); and means (22, 24) for switchover between a cooling mode and a heating mode; wherein the switchover means (22, 24) are integrated with a module (26). The invention also relates to a method for switching over between a cooling mode and a heating mode.

Device and method for cooling

The invention relates to an apparatus for cooling, having a loop (60) carrying a refrigerant, a first heat exchanger (10) for outputting heat to a heat reservoir (12), a second heat exchanger (114) for extracting heat from a chamber (116) to be cooled, a compressor (18) and an expansion device (120), wherein in that a first further heat exchanger (70) is provided, which enables a heat transfer between the loop (60) carrying the refrigerant and a coolant loop (80). The invention also relates to a method for cooling.

BATTERY HOUSING FOR LITHIUM-ION CELLS

A battery housing includes an inner chamber configured to accommodate galvanic cells, in particular lithium-ion cells, which are provided with a cut-out area that can be opened in the event of failure of the cell. In order to prevent, retard and optionally at least partially extinguish a fire in the event of the failure of one or more cells, for example during an accident of an electrically operated vehicle, the inner chamber of the battery housing includes at least one dispenser for dispensing a flame-inhibiting, flame-retarding and/or flame-extinguishing agent. The dispenser has at least one dispenser opening arranged adjacent to a cut-out area of a cell and configured to be opened. The dispenser opening is configured to be opened during a mechanical shock and/or a temperature increase and/or a pressure increase above a predetermined limit value.

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.

Lithium-ion cell, lithium-ion rechargeable battery and motor vehicle with a lithium-ion rechargeable battery

A lithium-ion cell includes outgoing conductor foils and collectors. The outgoing conductor foil of a negative electrode of the lithium-ion cell consists of an aluminum foil which is covered on both sides with a metal layer. The collector for the negative electrode has an aluminum workpiece, which is at least partially covered with a metal layer. The metal layers of the outgoing conductor foil and of the collector consist of copper or nickel.

System and method for cooling or heating

The invention relates to a system for cooling and heating, having a first heat exchanger ( 10 ) for outputting heat to and extracting it from a heat reservoir ( 12 ); a second heat exchanger ( 14 ) for extracting heat from and outputting it into a space ( 16 ) to be cooled or heated; a compressor ( 18 ); an expansion device ( 20 ); and means ( 22, 24 ) for switchover between a cooling mode and a heating mode; wherein the switchover means ( 22, 24 ) are integrated with a module ( 26 ). The invention also relates to a method for switching over between a cooling mode and a heating mode.

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.

Method for Controlling and/or Preventing a Fire in a Vehicle Air-Conditioning System

A method for controlling and/or preventing a fire in a vehicle air-conditioning system which contains 2,3,3,3 -tetrafluoro- 1 -propene as a coolant includes bringing the components of the air-conditioning system containing the coolant into contact with an extinguishing agent which contains an aqueous solution or suspension of a compound containing calcium and a gelling extinguishing agent additive.

Rechargeable battery

A rechargeable battery has a plurality of rechargeable battery cells which are situated in an interspaced manner in a rechargeable battery housing filled at least partially with a filler material which encloses the rechargeable battery cells, with a first rechargeable battery cell including a first casing, and a second rechargeable battery cell including a second casing, such that the first casing and the second casing having different wall thicknesses, at least in sections.

LITHIUM-ION CELL, LITHIUM-ION RECHARGEABLE BATTERY AND MOTOR VEHICLE WITH A LITHIUM-ION RECHARGEABLE BATTERY

A lithium-ion cell includes outgoing conductor foils and collectors. The outgoing conductor foil of a negative electrode of the lithium-ion cell consists of an aluminum foil which is covered on both sides with a metal layer. The collector for the negative electrode has an aluminum workpiece, which is at least partially covered with a metal layer. The metal layers of the outgoing conductor foil and of the collector consist of copper or nickel. 1. A lithium-ion cell having outgoing conductor foils and collectors , comprising:an outgoing conductor foil for a negative electrode of the lithium-ion cell, the outgoing conductor foil including an aluminum foil covered on both sides or completely with a first metallic layer of copper or nickel; anda collector for the negative electrode, the collector including an aluminum workpiece covered, at least in a contact region configured to be in contact with the negative electrode of the lithium-ion cell, with a second metallic layer of copper or nickel.2. The lithium-ion cell as claimed in claim 1 , wherein the collector is completely surrounded by the second metallic layer.3. The lithium-ion cell as claimed in claim 1 , wherein at least one of the first metallic layer and the second metallic layer is applied galvanically.4. The lithium-ion cell as claimed in claim 1 , wherein at least one of the first metallic layer and the second metallic layer is applied by roll-bonded cladding.5. The lithium-ion cell as claimed in claim 1 , wherein at least one of the first metallic layer and the second metallic layer is applied by ion beam deposition.6. A lithium-ion rechargeable battery comprising: an outgoing conductor foil for a negative electrode of the lithium-ion cell, the outgoing conductor foil including an aluminum foil covered on both sides or completely with a first metallic layer of copper or nickel; and', 'a collector for the negative electrode, the collector including an aluminum workpiece covered, at least in a contact region ...

Gas absorption reservoir with optimized cooling

The invention relates to a fuel reservoir for gaseous fuel in a vehicle, in particular a sorption reservoir. The fuel reservoir is delimited by at least one wall and includes a sorption material that is contained in its interior. The fuel reservoir has a tank inlet valve containing a shut-off valve and a throttle restriction valve. The restriction of the gaseous fuel takes place inside the fuel reservoir.

Device for increasing safety when using battery systems

A battery cell (BZ), in particular a lithium-ion battery cell, wherein the battery cell (BZ) has a number of contact sensor elements (S) for detecting elements (N) which bear on the contact sensor elements (S) or apply pressure to the contact sensor elements (S), wherein the contact sensor elements (S) are electrically insulated from one another.

Charging method that reduces aging of electrical energy store of a vehicle

A charging method (100) for an electrical energy store (22) of a motor vehicle (20) is disclosed, including the steps of: detecting (110) the current charge state of the electrical energy store (22), detecting (120) the planned scope of use of the motor vehicle (20), ascertaining (130) the ambient temperatures present during the planned use, ascertaining (140) a target charge state of the electrical energy store as a function of the maximum possible charge state and the detected ambient temperature, producing (150) a signal as a function of the ascertained target charge state and transmitting the produced signal to the charging current regulator (28, 48) and/or an output means (17).

METHOD FOR DETECTING IMPURITIES IN A GAS TANK

The invention relates to a method for detecting impurities in a gas tank having a predefined tank nominal volume, which method includes at least one of the following steps: (a) determining a theoretical pressure drop in the gas tank from a quantity of gas which is actually extracted, and comparing said theoretical pressure drop with a measured pressure drop in the gas tank, wherein a higher measured pressure drop indicates the presence of impurities; and (b) determining a gas volume which is theoretically present in the gas tank from the measured pressure and measured temperature in the gas tank, and comparing the gas volume which is theoretically present in the gas tank with the tank nominal volume in order to determine a volume taken up by impurities which are present.

High Temperature Heat Exchanger

A high-temperature heat exchanger comprises a thermally insulated solid body formed from a high temperature resistant material with a thermal conductivity of at least 20 W/mK, at least one heater element within the solid body; and passages for fluid flow formed in the solid body. A system is also disclosed that comprises high-temperature heat exchanger in a thermo-management circuit of a battery. 1. A high-temperature heat exchanger , comprising:a thermally insulated solid body formed from a high temperature resistant material with a thermal conductivity of at least 20 W/mK;at least one heater element within the solid body; andpassages for fluid flow formed in the solid body.2. The high-temperature heat exchanger as claimed in claim 1 , wherein the good material is a ceramic.3. The high-temperature heat exchanger as claimed in claim 1 , wherein the at least one heater element is an electric heater bar.4. The high-temperature heat exchanger as claimed in claim 1 , further comprising:a feed line and an outlet, the passages connected to the feed line and to the outlet for a throughflowing fluid.5. The high-temperature heat exchanger as claimed in claim 4 , wherein the outlet is connected to an additional heat exchanger having a heat transfer agent claim 4 , and fluid which has flowed through the solid body and been heated transfers heat to the heat transfer agent in the heat exchanger.6. The high-temperature heat exchanger as claimed in claim 5 , further comprising a bypass that branches from the outlet and opens into the feed line.7. The high-temperature heat exchanger as claimed in claim 1 , further comprising a heat storage material contained in the solid body.8. The high-temperature heat exchanger as claimed in claim 7 , wherein the heat storage material is a phase change material.9. The high-temperature heat exchanger as claimed in claim 1 , wherein the high-temperature heat exchanger is coupled to a thermoelectric generator.10. A system claim 1 , comprising:a ...

Battery cell with a fast discharging unit and fast discharging method for such a battery cell

battery module

Bei einem Batteriemodul (1), umfassend ein Gehäuse (2), wenigstens eine in dem Gehäuse (2) angeordnete Batterie (3), wenigstens eine Einlassöffnung (5) zum Einleiten eines Kühlfluids in das Gehäuse (2), wenigstens eine Auslassöffnung (6) zum Ausleiten des Kühlfluids aus dem Gehäuse (2) und wenigstens eine an der wenigstens einen Batterie (3) angeordnete Rippe (7), soll auf einfache Weise eine hohe Kühlleistung der wenigstens einen Batterie (3) erzielt werden können. Diese Aufgabe wird dadurch gelöst, dass die wenigstens eine Rippe (7) als Kühlrippe (7) mit einer Wärmeleitfähigkeit von wenigstens 1, vorzugsweise wenigstens 10, insbesondere wenigstens 80, ausgebildet ist. In a battery module (1), comprising a housing (2), at least one battery (3) arranged in the housing (2), at least one inlet opening (5) for introducing a cooling fluid into the housing (2), at least one outlet opening (6 ) for discharging the cooling fluid from the housing (2) and at least one arranged on the at least one battery (3) rib (7), should be achieved in a simple manner, a high cooling capacity of at least one battery (3). This object is achieved in that the at least one rib (7) as a cooling fin (7) with a thermal conductivity of at least 1, preferably at least 10, in particular at least 80, is formed.

battery module

Bei einem Batteriemodul (1), umfassend ein Gehäuse (2), wenigstens eine in dem Gehäuse (2) angeordnete Batterie (3), wenigstens eine Einlassöffnung (5) zum Einleiten eines Kühlfluids in das Gehäuse (2), wenigstens eine Auslassöffnung (6) zum Ausleiten des Kühlfluids aus dem Gehäuse (2), wobei der wenigstens einen Einlassöffnung (5) mittels eines Verdichters (11) komprimiertes Kühlfluid zuführbar ist, soll eine Verminderung der Kühlleistung aufgrund der Erwärmung des komprimierten Kühlfluids wenigstens teilweise vermieden werden. Des Weiteren soll der konstruktive Aufwand gering und das Batteriemodul (1) in der Herstellung preiswert sein. Diese Aufgabe wird dadurch gelöst, dass das Kühlfluid von einer Kühleinrichtung (8) kühlbar ist. In a battery module (1), comprising a housing (2), at least one battery (3) arranged in the housing (2), at least one inlet opening (5) for introducing a cooling fluid into the housing (2), at least one outlet opening (6 ) for discharging the cooling fluid from the housing (2), the at least one inlet port (5) being supplied with compressed cooling fluid by means of a compressor (11), a reduction in the cooling capacity due to the heating of the compressed cooling fluid should be at least partially avoided. Furthermore, the design effort is low and the battery module (1) to be inexpensive to manufacture. This object is achieved in that the cooling fluid from a cooling device (8) is coolable.

Wind energy plant, has storage battery arranged in region of rotor hub and cooled by cooling device, so that storage battery temperature is held in uncritical operating range, and cooling device with air duct

Offenbart ist eine Windenergieanlage, bei der an einer Gondel ein Rotor mit verstellbaren Rotorblättern gelagert ist. Zur unterbrechungsfreien Stromversorgung (USV) der Rotorblattverstellantriebe ist in der Rotornabe ein Akkumulator vorgesehen. Dieser ist erfindungsgemäß gekühlt, so dass dessen vorzeitige Alterung verhinderbar ist.

Battery

In a battery comprising a plurality of battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119) disposed at a distance from one another in a battery housing (120) filled at least partially with a fill material (140), wherein the fill material (140) surrounds the battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119), at least in sections, in a pre-determined fill structure (130) that establishes a positioning of the battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119) in the battery housing (120), the fill structure (130) is adapted to at least partially homogenize a temperature distribution that arises in the battery housing (120) during operation of the battery due to heating of the battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119).

Method and device for purifying a gas reservoir

The invention relates to a device and a method for purifying a gas reservoir (10), in particular a sorption reservoir containing a sorption material (18). The gas reservoir is emptied into an exhaust line (58) via a tank inlet valve (26) or into an intermediate gas reservoir (20) via a purge valve (38). The sorption material (8) is heated by means of a heating unit (20). A negative pressure is generated in the gas reservoir (10) for the desorption of impurities in the sorption material (18) using a delivery unit (54).

Battery

In a battery comprising a plurality of battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119) disposed at a distance from one another in a battery housing (120) filled at least partially with a fill material (140), wherein the fill material (140) surrounds the battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119), at least in sections, in a pre-determined fill structure (130) that establishes a positioning of the battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119) in the battery housing (120), the fill structure (130) is adapted to at least partially homogenize a temperature distribution that arises in the battery housing (120) during operation of the battery due to heating of the battery cells (110, 111, 112, 113, 114, 115, 116, 117, 118, 119).

Heat transfer device

The invention relates to a heat transfer device (110) which comprises at least one first channel through which a high pressure-side fluid flows, and at least one second channel, separate from the first channel, through which a low pressure-side fluid flows. The device has a layer structure consisting of at least one heat transfer plate (112) for the high-pressure fluid and at least one heat transfer plate (114) for the low pressure fluid. The high-pressure fluid is a coolant and the low-pressure fluid is a liquid heat transfer fluid.

Battery with reduced risk of fire

Es wird eine Batterie beschrieben, umfassend ein Gehäuse (1), eine oder mehrere im Gehäuse (1) angeordnete Batteriezellen (2) und eine aktive Kühleinrichtung zum Kühlen der Batteriezellen (2) im Gehäuse (1). Die aktive Kühleinrichtung weist dabei eine Kühlflüssigkeit, ein Leitungssystem (3) zur Zirkulation der Kühlflüssigkeit und eine Pumpe (4) zur gerichteten Bewegung der Kühlflüssigkeit im Leitungssystem (3) auf. Die erfindungsgemäße Batterie zeichnet sich dadurch aus, dass im Leitungssystem (3) ein erstes Ventil (6) zur regel- und/oder steuerbaren Verdunstung von Kühlflüssigkeit aus dem Leitungssystem (3) angeordnet ist.

Battery with reduced risk of fire

Battery with reduced risk of fire

The battery comprises a housing (1) arranged with battery cells (2), and an active cooling unit for cooling the battery cells. The active cooling unit has a conduit system (3) for circulating the cooling liquid, and a pump (4) for directed movement of the cooling liquid in the conduit system. The conduction system is equipped with a valve for regulating and/or controllable evaporation of cooling liquid.

Heat transformer for use in e.g. gas heated water heater, has insert, which influencing flow speed of endothermic fluid is inserted in pipe, such that variable heat transmission is set between exothermic and endothermic fluids

The transformer has a heat exchanging pipe (10) in which an endothermic fluid e.g. hot water, flows and to pass an exothermic fluid e.g. heating gas. An insert (11) influencing the flow speed of the endothermic fluid is inserted in the pipe, such that a variable heat transmission is set between the exothermic fluid and endothermic fluids at the internal area of the pipe. The insert comprises radially inserted lamellas (20).

PROVISION AND PROCEDURE TO COOL OR HEAT.

Disposición para enfriar o calentar con - un primer intercambiador (10) de calor para emitir o extraer calor en un o de un depósito (12) de calor, - un segundo intercambiador (14) de calor para extraer o emitir calor de uno o a una zona (16) que va a calentarse o a enfriarse, - un compresor (18), - un elemento (20) de expansión y - medios (22, 24) para conmutar entre un funcionamiento de refrigeración y un funcionamiento de calefacción que están integrados en un módulo (26), en la que el primer intercambiador (10) de calor en el funcionamiento de calefacción extrae calor del depósito (12) de calor y en el funcionamiento de refrigeración emite calor al depósito (12) de calor, mientras que el segundo intercambiador (14) de calor emite calor en el funcionamiento de calefacción al espacio (16) que va a calentarse y extrae calor en el funcionamiento de refrigeración del espacio (16) que va a enfriarse, y en la que el primer intercambiador (10) de calor, el segundo intercambiador (14) de calor, el compresor (18), el elemento (20) de expansión y los medios (22, 24) para conmutar forman un circuito cerrado de calefacción o de refrigeración cerrado por los que fluye CO2, caracterizada porque los medios de conmutación comprenden una primera válvula (22) y una segunda válvula (24) con cuatro puertos (30, 32, 34, 36; 38, 40, 42, 44) en cada caso. Arrangement for cooling or heating with - a first heat exchanger (10) for emitting or extracting heat in one or a heat tank (12), - a second heat exchanger (14) for extracting or emitting heat from one or a zone (16) to be heated or cooled, - a compressor (18), - an expansion element (20) and - means (22, 24) for switching between a cooling operation and a heating operation that are integrated in a module (26), in which the first heat exchanger (10) in the heating operation extracts heat from the heat tank (12) and in the cooling operation emits heat to the heat tank (12), while the second heat exchanger (14) emits heat in the heating ...

air conditioning

The invention relates to an air-conditioning unit (10) for a motor vehicle with a heating heat transfer unit (28), connected to a coolant circuit (42) on an internal combustion engine, with a pre-arranged evaporator (22), viewed in the direction of flow of a fan (36). A compressor (12) in a refrigerant circuit (32) supplies a refrigerant through a gas cooler (16) and an expansion valve (20) during a cooling operation and pumps said refrigerant to the evaporator (22) via the expansion valve (20), by by-passing the gas cooler (16) during a heating operation. A coupled heat exchanger (30) is provide between the cooling fluid circuit (42) and the refrigerant circuit (32). According to the invention, the coupled heat exchanger (30) is arranged in the refrigerant circuit (32) on the pressure side of the compressor (12) before the gas cooler (16), a first by-pass line (80) is provided parallel to the gas cooler (16) and the flow through the gas cooler (16) and the first by-pass line (80) is controlled by a switching valve (52) in the first by-pass line (80) and a switching valve (48, 50) at each of the input and output from the gas cooler (16), depending on operating parameters and a heat transfer unit (14) for a medium in a unit in the refrigerant circuit (32) is connected behind an expansion valve (20 or 38) and serves as heat source in heating operation.

AIR CONDITIONING WITH ADDITIONAL HEAT TRANSFER IN THE REFRIGERANT CIRCUIT

Battery cell

Die Erfindung betrifft eine Batteriezelle (2), umfassend ein Zellengehäuse (11), welches eine Berstöffnung (33) aufweist, und eine Elektrodeneinheit (10), welche eine Anode (5) und eine Kathode (3) aufweist, wobei die Anode (5) und die Kathode (3) jeweils mehrere Lagen umfassen, welche abwechselnd übereinander gelegt sind, wobei die Elektrodeneinheit (10) eine Bodenseite (94), an der die Lagen der Anode (5) und der Kathode (3) umgebogen sind, und eine der Bodenseite (94) gegenüber liegende offene Stirnseite (96) aufweist. Dabei ist die Anode (5) an einer ersten Schmalseite (91) der Elektrodeneinheit (10) mit einem ersten Kollektor (7) verbunden, die Kathode (3) ist an einer der ersten Schmalseite (91) gegenüber liegenden zweiten Schmalseite (92) der Elektrodeneinheit (10) mit einem zweiten Kollektor (9) verbunden, und die Stirnseite (96) ist der Berstöffnung (33) zugewandt. The invention relates to a battery cell (2) comprising a cell housing (11) having a burst opening (33) and an electrode unit (10) having an anode (5) and a cathode (3), the anode (5 ) and the cathode (3) each comprise a plurality of layers, which are alternately superimposed, wherein the electrode unit (10) has a bottom side (94) on which the layers of the anode (5) and the cathode (3) are bent, and a the bottom side (94) opposite the open end face (96). In this case, the anode (5) on a first narrow side (91) of the electrode unit (10) with a first collector (7), the cathode (3) on one of the first narrow side (91) opposite the second narrow side (92) Electrode unit (10) connected to a second collector (9), and the end face (96) facing the bursting opening (33).

Device for regulating the gas purity of a gas storage

Die Erfindung bezieht sich auf ein Verfahren und eine Vorrichtung zur Regelung der Gasreinheit beim Befüllen eines Gasspeichers (41), in dem ein Sorptionsmaterial (82) aufgenommen ist. Dem Gasspeicher (41) ist ein beheizbarer Filter (46) vorgeschaltet, dessen Filtermaterial regenerierbar oder austauschbar ist. Dem Filter (46) ist ein erstes Absperrventil (44) und dem Gasspeicher (41) ist ein zweites Absperrventil (54) vorgeschaltet. Im Filter (46) zurückgehaltene höhermolekulare Kohlenwasserstoffe C<SUB>x</SUB>H<SUB>y</SUB> werden unter Umgehung des Gasspeichers (41) einem Verbraucher zugeführt und in eine Verbraucherleitung (80) eingespeist. The invention relates to a method and a device for regulating the gas purity when filling a gas reservoir (41) in which a sorbent material (82) is accommodated. A heatable filter (46), the filter material of which can be regenerated or replaced, is connected upstream of the gas reservoir (41). A first shut-off valve (44) is connected upstream of the filter (46) and a second shut-off valve (54) is connected upstream of the gas reservoir (41). Higher molecular weight hydrocarbons C <SUB> x </SUB> H <SUB> y </SUB> retained in the filter (46) are fed to a consumer by bypassing the gas reservoir (41) and fed into a consumer line (80).

Method and device for applying pressure to a battery

Extinguishing agent

Heat transfer device

The invention relates to a heat transfer device (110) which comprises at least one first channel through which a high pressure-side fluid flows, and at least one second channel, separate from the first channel, through which a low pressure-side fluid flows. The device has a layer structure consisting of at least one heat transfer plate (112) for the high-pressure fluid and at least one heat transfer plate (114) for the low pressure fluid. The high-pressure fluid is a coolant and the low-pressure fluid is a liquid heat transfer fluid.

Method for detecting a decomposition of a cathode of a battery cell and battery cell

Die Erfindung betrifft ein Verfahren zur Erkennung einer Zersetzung einer Kathode einer Batteriezelle (2), wobei eine in einem Elektrolyt der Batteriezelle (2) enthaltene Substanz mit Sauerstoff reagiert, der bei der Zersetzung der Kathode frei wird, wobei durch die Reaktion der Substanz mit dem Sauerstoff eine optische Wirkung erzeugt wird, und die optische Wirkung von einem innerhalb eines Zellengehäuses (3) der Batteriezelle (2) angeordneten optischen Sensor (70) detektiert wird. Die Erfindung betrifft auch eine Batteriezelle (2), die ein Zellengehäuse (3), eine Anode (5), eine Kathode, einen Separator und einen Elektrolyt umfasst. Dabei ist in dem Elektrolyt eine Substanz enthalten, die mit Sauerstoff reagiert, wobei die Reaktion der Substanz mit Sauerstoff eine optische Wirkung erzeugt, und innerhalb des Zellengehäuses (3) ist ein optischer Sensor (70) angeordnet, welcher die optische Wirkung detektiert. The invention relates to a method for detecting a decomposition of a cathode of a battery cell (2), wherein a substance contained in an electrolyte of the battery cell (2) reacts with oxygen, which is released in the decomposition of the cathode, wherein the reaction of the substance with the Oxygen, an optical effect is generated, and the optical effect of a within a cell housing (3) of the battery cell (2) arranged optical sensor (70) is detected. The invention also relates to a battery cell (2) comprising a cell casing (3), an anode (5), a cathode, a separator and an electrolyte. In this case, a substance is contained in the electrolyte, which reacts with oxygen, wherein the reaction of the substance with oxygen produces an optical effect, and within the cell housing (3), an optical sensor (70) is arranged, which detects the optical effect.

Battery pack and hand tool with a battery pack

Die Erfindung geht aus von einem Batteriepack (10, 10a, 10b, 10c) mit einer Mehrzahl von Batteriezellen (12, 12a, 12b, 12c) und mit einem Gehäuse (14, 14a, 14b, 14c) zur Aufnahme der Batteriezellen (12, 12a, 12b, 12c). Es wird vorgeschlagen, dass das Gehäuse (14, 14a, 14b, 14c) auf einer Mehrzahl von Gehäuseelementen (16, 16a, 16b, 16c) besteht, welche derart angeordnet sind, dass diese mindestens einen Freiraum (18, 18a, 18b, 20, 20a, 20b, 24, 24c) umschließen. The invention is based on a battery pack (10, 10a, 10b, 10c) having a plurality of battery cells (12, 12a, 12b, 12c) and a housing (14, 14a, 14b, 14c) for receiving the battery cells (12, 12). 12a, 12b, 12c). It is proposed that the housing (14, 14a, 14b, 14c) on a plurality of housing elements (16, 16a, 16b, 16c), which are arranged such that this at least one free space (18, 18a, 18b, 20 , 20a, 20b, 24, 24c).

Electrical energy storage cell, electrical energy storage and device

Elektrische Energiespeicherzelle (2, 3) aufweisend ein Zellgehäuse, das die elektrische Energiespeicherzelle (2, 3) zumindest teilweise umgibt,dadurch gekennzeichnet, dasseine Oberfläche des Zellgehäuses einen Wärmeemissionsgrad aufweist, der kleiner als 0,3 ist, insbesondere kleiner als 0,2, vorzugweise kleiner als 0,1. Electrical energy storage cell (2, 3) comprising a cell housing which at least partially surrounds the electrical energy storage cell (2, 3), characterized in that a surface of the cell housing has a heat emission level which is less than 0.3, in particular less than 0.2, preferably less than 0.1.

Process for producing components from soldered plates stacked one onto another

The present invention relates to a process for producing a structural member from plates (9, 10) stacked on top of each other, soldered together and provided with at least partial recesses. At least one solder layer (8) is provided between said plates (9, 10) in order to allow solder diffusion process. According to the invention, the plates (9, 10) are stacked on top of each other, separated from each other by solder diffusion layers (8), and then compressed in a cold condition before the solder diffusion process. With this provision, the use of complicated pressing tools in the actual solder diffusion process is avoided. The invention also relates to the use of the above-described process for the manufacture of a micro-heat exchanger.

Heat exchanger for a co2 vehicle air conditioner

Die Erfindung betrifft einen Wärmeübertrager mit einem von einem hochdruckseitigen Kältemittelstrom in einer ersten Richtung durchströmten ersten Kanal und einem von niederdruckseitigem Kältemittel in einer zur ersten Richtung entgegengesetzten zweiten Richtung durchströmten, vom ersten Kanal getrennten zweiten Kanal, der dadurch gekennzeichnet ist, dass der erste und zweite Kanal jeweils eine Vielzahl von in oder auf einzelnen Wärmeübertragungsblechen (1, 2, 3,...) gebildeten kleinen Kanälen (11, 12, 13,...) aufweisen, und dass mehrere Lagen der Wärmeübertragungsbleche miteinander verlötet oder verschweißt sind.

Electric energy storage cell, electric energy store, and device

An electric energy storage cell (2, 3) having a cell housing that at least partly surrounds the electric energy storage cell (2, 3), characterised in that a surface of the cell housing has a degree of thermal emission of less than 0.3, in particular less than 0.2, and preferably less than 0.1.

Energy accumulator module and electric device comprising at least one energy accumulator module

The invention relates to an energy accumulator module, in particular a battery pack for supplying current to a hand tool, comprising at least one cell (11) for accumulating energy and a module casing (12), a coolant flow being supplied to the cell or cells (11) in said casing (12). According to the invention, at least some sections of the casing (12) at a coolant inlet (13) and/or a coolant outlet (14) have a porous structure (16, 17) that can be permeated by the coolant. The invention also relates to an electric device comprising at least one energy accumulator module of this type.

High-temperature heat exchanger

Die Erfindung betrifft einen Hochtemperaturwärmeübertrager (1), umfassend einen Festkörper (3) aus einem gut wärmeleitenden, hochtemperaturbeständigen Material, mit mindestens einem darin eingebrachten Heizelement (5), wobei in dem Festkörper (3) Kanäle (9) ausgebildet sind, die von einem Fluid durchströmt werden können und wobei der Festkörper (3) thermisch isoliert ist. Die Erfindung betrifft weiterhin auch eine Verwendung des Hochtemperaturwärmeübertragers (1). The invention relates to a high-temperature heat exchanger (1), comprising a solid (3) made of a good heat-conducting, high-temperature-resistant material, with at least one heating element (5) incorporated therein, channels (9) being formed in the solid (3) Fluid can be flowed through and the solid (3) is thermally insulated. The invention also relates to the use of the high-temperature heat exchanger (1).

Method for monitoring the temperature of a battery cell

Es wird ein Verfahren zur Überwachung der Temperatur (ϑ) einer Batteriezelle (12c) beschrieben, das folgende Schritte umfasst: Messen einer an en eines durch die Batteriezelle (12c) fließenden Stroms; Ermitteln eines Innenwiderstands (Ri) der Batteriezelle (12c) aus der gemessenen Spannung und dem gemessenen Strom; und Überwachen der Temperatur (ϑ) der Batteriezelle (12c) auf Grundlage des ermittelten Innenwiderstandes (Ri). Ferner wird eine Batteriemanagementeinheit bereitgestellt, die eine Überwachungseinheit umfasst, die dazu ausgelegt ist, das erfindungsgemäße Verfahren auszuführen. Des Weiteren werden eine Batterie (10) mit einer erfindungsgemäßen Batteriemanagementeinheit sowie ein Kraftfahrzeug mit einer erfindungsgemäßen Batteriemanagementeinheit oder einer erfindungsgemäßen Batterie (10) bereitgestellt. A method for monitoring the temperature (ϑ) of a battery cell (12c) is described, comprising the following steps: measuring a current flowing through the battery cell (12c) at en of a; Determining an internal resistance (Ri) of the battery cell (12c) from the measured voltage and the measured current; and monitoring the temperature (ϑ) of the battery cell (12c) on the basis of the internal resistance (Ri) determined. Furthermore, a battery management unit is provided which comprises a monitoring unit which is designed to carry out the method according to the invention. Furthermore, a battery (10) with a battery management unit according to the invention and a motor vehicle with a battery management unit according to the invention or a battery (10) according to the invention are provided.

Method of operating an air conditioning installation

The invention relates to a method of operating an air conditioning installation for a vehicle, wherein a compressor (38), during cooling operation, conveys a coolant via a gas cooler (42) and an expansion device (50) to an interior space heat exchanger (44). During a heating operation, the coolant is conveyed in reverse flow direction first through the interior space heat exchanger (44), the expansion device (50) and then through the gas cooler (42) parallel to which a bypass duct (56) with an on-off valve (58) is disposed. In the heating operation, the on-off valve (58) in the bypass duct (56) is opened and the flow of coolant through the gas cooler (42) is interrupted as soon as a layer of ice has formed on the air-side of the gas cooler (42) that surpasses a threshold thickness.

Extinguishing agent

The present invention relates to an extinguishing agent, to a method for the production thereof, to a fire-fighting system comprising said extinguishing agent, and to a use of said extinguishing agent for fire fighting and fire prevention, in particular for lithium ion batteries. For this purpose, an extinguishing agent is prepared from a suspension which comprises at least water, a salt which is hardly soluble in water and comprises a cation of the elements calcium, magnesium, strontium and a water thickener. The invention further relates to a fire-fighting system comprising said extinguishing agent and to a use of the extinguishing agent of the above-mentioned type.

Battery with chemical sensor

Die vorliegende Erfindung betrifft eine Batterie (10), insbesondere Lithium- Batterie, welche ein Batteriegehäuse (1) mit einem Innenraum zur Aufnahme von galvanischen Zellen (2) umfasst, wobei in dem Innenraum des Batteriegehäuses (1) mindestens eine galvanische Zelle (2), insbesondere Lithium-Zelle, anordbar oder angeordnet ist, welche mit einer im Versagensfall der Zelle (2) öffenbaren Ausbruchsstelle (3) ausgestattet ist. Um im Versagensfall einer oder mehrerer Zellen, beispielsweise bei einem Unfall eines elektrisch angetriebenen Fahrzeugs, einen Brand zu verhindern, zu hemmen und gegebenenfalls zumindest teilweise zu löschen, weist die Batterie (10) mindestens einen Spender (4) zum Spenden eines flammeninhibierenden, -hemmenden und/oder -löschenden Mittels mit einer zu der Ausbruchsstelle (3) benachbart anordbaren oder angeordnete, öffenbaren Spenderöffnung (5) sowie mindestens einen chemischen Sensor zur Detektion mindestens eines im Versagensfall der Zelle (2) aus der Zelle (2) austretenden Stoffes auf, wobei die Spenderöffnung (5) durch ein Anspringen des chemischen Sensors oberhalb eines vorbestimmten Konzentrationsgrenzwertes eines im Versagensfall der Zelle (2) aus der Zelle (2) austretenden Stoffes öffenbar ist. The present invention relates to a battery (10), in particular a lithium battery, which comprises a battery housing (1) with an interior for accommodating galvanic cells (2), wherein at least one galvanic cell (2) in the interior of the battery housing (1). , In particular, lithium cell, can be arranged or arranged, which is equipped with an opening in the event of failure of the cell (2) Ausbruchsstelle (3). In order to prevent fire in the case of failure of one or more cells, for example in an accident of an electrically driven vehicle, inhibit and possibly at least partially delete, the battery (10) at least one dispenser (4) for dispensing a flame-retardant, -hemmenden and / or extinguishing agent with an openable dispenser opening (5) which ...

電池システムの使用時の安全性を高めるための装置

【課題】電池の周辺における安全性を高め、電池の安全性を脅かす状態の発生を防止し、安全性を脅かす状態の影響を低減すること。【解決手段】本発明は、電池（ＢＺ）、特にリチウムイオン電池であって、電池（ＢＺ）が複数の接触センサ素子（Ｓ）を備え、接触センサ素子（Ｓ）が、接触センサ素子（Ｓ）に接触するか、又は接触センサ素子（Ｓ）に圧力を加える要素（Ｎ）を検出し、接触センサ素子（Ｓ）が互いに電気絶縁されている。【選択図】図１

Vorrichtung mit wenigstens einer elektrochemischen zelle in einem druckbeaufschlagten gehäuse und verfahren zum betreiben einer solchen vorrichtung

Die Erfindung geht aus von einer Vorrichtung mit wenigstens einer elektrochemischen Zelle (20, 30). Es wird vorgeschlagen, dass ein mit einem Druckmedium druckbeaufschlagbares Volumen (12) zur Aufnahme der wenigstens einen Zelle (20, 30) zur externen Druckbeaufschlagung der wenigstens einen Zelle (20, 30) vorgesehen ist.

Verfahren zur bekämpfung und/oder vorbeugung eines brandes einer klimaanlage in fahrzeugen

Die Erfindung betrifft ein Verfahren zur Bekämpfung und/oder Vorbeugung eines Brandes einer Klimaanlage in Fahrzeugen, die 2,3,3,3-Tetrafluorprop-1-en als Kältemittel enthält. Das Verfahren ist folgendermaßen charakterisiert, dass zumindest die das Kältemittel enthaltenden Bestandteile der Klimaanlage mit einem Löschmittel in Kontakt gebracht werden, welches eine wässrige Lösung oder Suspension einer Kalzium-haltigen Verbindung und eines gelbildenden Löschmitteladditivs enthält.

Procedimiento para luchar contra y/o impedir un incendio de una instalación de aire acondicionado en vehículos

Procedimiento para luchar contra y/o impedir un incendio de una instalación de aire acondicionado en vehículos, que contiene 2,3,3,3-tetrafluoroprop-1-eno como refrigerante, caracterizado porque al menos los componentes que contienen el refrigerante de la instalación de aire acondicionado se ponen en contacto con un medio de extinción, que contiene una disolución o suspensión acuosa de un compuesto que contiene calcio y de un aditivo de medio de extinción formador de gel, encontrándose un porcentaje en peso del aditivo de medio de extinción formador de gel por volumen del medio de extinción en el intervalo de desde el 0,1 hasta el 3,0% p/v.

Verfahren zur bekämpfung und/oder vorbeugung eines brandes einer klimaanlage in fahrzeugen

Die Erfindung betrifft ein Verfahren zur Bekämpfung und/oder Vorbeugung eines Brandes einer Klimaanlage in Fahrzeugen, die 2,3,3,3-Tetrafluorprop-1-en als Kältemittel enthält. Das Verfahren ist folgendermaßen charakterisiert, dass zumindest die das Kältemittel enthaltenden Bestandteile der Klimaanlage mit einem Löschmittel in Kontakt gebracht werden, welches eine wässrige Lösung oder Suspension einer Kalzium-haltigen Verbindung und eines gelbildenden Löschmitteladditivs enthält.

Method and device for monitoring an electric energy store

In a method for monitoring an electric energy store, comprising at least one electric energy storage unit, an electronic battery management unit and an interface for communication with external devices, the method comprises the steps: a) determining at least one state variable of the electric energy store, particularly a voltage quantity and/or a state of charge quantity, by the electronic battery management unit; b) transmitting the determined state variable via the interface for communication with external devices to a monitoring device (40, 50) being installed externally to the electric energy store; c) evaluating a state of the electric energy store by the monitoring device (40, 50) depending on the determined at least one state variable; d) performing a charging process of the electric energy store by a charging device that is situated externally to the electric energy store depending on the evaluation by the monitoring device (40, 50) and/or performing a voltage balancing process inside of the electric energy store by an internally installed voltage balancing device. The monitoring device (40, 50) comprises a communication device (41, 51) and evaluation device (42, 52).

Hochtemperaturwärmeübertrager

Die Erfindung betrifft einen Hochtemperaturwärmeübertrager (1), umfassend einen Festkörper (3) aus einem gut wärmeleitenden, hochtemperaturbeständigen Material, mit mindestens einem darin eingebrachten Heizelement (5), wobei in dem Festkörper (3) Kanäle (9) ausgebildet sind, die von einem Fluid durchströmt werden können und wobei der Festkörper (3) thermisch isoliert ist. Die Erfindung betrifft weiterhin auch eine Verwendung des Hochtemperaturwärmeübertragers (1).

Gehäuse mit erhöhter Verformbarkeit

Die Erfindung bezieht sich auf ein Batteriezellengehäuse (38) zur Aufnahme mindestens einer Elektrodenanordnung, insbesondere eines Batteriewickels (Jelly Roll). Das Batteriezellengehäuse (38) begrenzende Flächen (40, 62, 68, 70) weisen einen Zentrumsbereich (80, 84, 88) mit im Vergleich zu einem Randbereich (82, 86, 90) verringerter Steifigkeit auf.

Batterievorrichtung mit wenigstens einer batteriezelle

Es wird eine Batterievorrichtung (2) mit wenigstens einer Batteriezelle (1), die einen Hohlraum (3) aufweist, der von einem äußeren Zellmantel (4) und einem inneren Zellmantel (5) begrenzt ist, beschrieben. Auf der dem Hohlraum (3) abgewandten Seite des inneren Zellmantels (5) ist ein Kanal (6) vorgesehen. Der Kanal (6) ist wenigstens bereichsweise von einem Fluid durchströmbar und es ist wenigstens im Bereich des Kanals (6) über den inneren Zellmantel (5) Wärme aus dem Hohlraum (3) an das Fluid abgebbar. Erfindungsgemäß sind dem inneren Zellmantel (5) im Bereich des Kanals (6) wenigstens abschnittsweise eine Wärmeaustauschfläche zwischen dem inneren Zellmantel (5) und dem Fluid vergrößernde Mittel (7) zugeordnet.

Batteriegehäuse mit beschleunigungssensitiven elementen, batterie sowie kraftfahrzeug mit batterie

Es wird ein Batteriegehäuse (10) für eine Batterie (11), bei dem auf der Außenseite mindestens ein beschleunigungssensitives Element (12) angeordnet ist, eine Batterie sowie ein Kraftfahrzeug mit einer Batterie beschrieben. Das mindestens eine beschleunigungssensitive Element (12) wechselt seinen Zustand in Abhängigkeit von einem vorgegebenen Grenzwert für eine Beschleunigung, wobei der Wechsel optisch wahrnehmbar ist. Die Batterie (11) weist vorzugsweise Lithium-Ionen-Batteriezellen auf.

Verfahren zum betrieb einer klimaanlage

Die Erfindung geht von einem Verfahren zum Betrieb einer Klimaanlage für ein Fahrzeug aus, bei ein Verdichter (38) während eines Kühlbetriebs ein Kältemittel über einen Gaskühler (42) sowie eine Expansionseinrichtung (50) zu einem Innenraumwärmetauscher (44) fördert und während eines Heizbetriebs das Kältemittel in umgekehrter Strömungsrichtung zunächst durch den Innenraumwärmetauscher (44), die Expansionseinrichtung (50) und dann durch den Gaskühler (42) fördert, zu dem parallel eine Bypassleitung (56) mit einem Schalventil (58) vorgesehen ist. Es wird vorgeschlagen, dass im Heizbetrieb das Schaltventil (58) in der Bypassleitung (56) geöffnet und der Duchfluss von Kältemittel durch den Gaskühler (42) unterbrochen wird, sobald sich auf der Luftseite des Gaskühlers (42) eine Eisschicht gebildet hat, die eine Grenzdicke überschreitet.

Verfahren zum betrieb einer klimaanlage

Heizungsanlage für ein Gebäude

Batterie mit verbesserter wärmeabfuhr durch nutzung des kapillareffekts

Die vorliegende Erfindung offenbart eine Batterie mit einem gasdichten Gehäuse (10), das eine Unterseite (34), eine Oberseite (36) und mindestens eine Seitenfläche (32) aufweist. Elektroden und ein Elektrolyt (26) sind innerhalb des Gehäuses (10) angeordnet und eine Kühlplatte (20) kontaktiert die Unterseite (34) des Gehäuses (10). Erfindungsgemäß ist auf der Innenseite des Gehäuses (10) mindestens eine Kapillarstruktur (24) angeordnet, welche einen effizienten Wärmetransport des Elektrolyten (26) innerhalb des Gehäuses (10) ermöglicht, wodurch die Batterie effizient gekühlt werden kann.

Mikro-wärmeübertrager mit sich kreuzenden, voneinander getrennten kanälen für die wärmeträgermedien

Batteriegehäuse mit beschleunigungssensitiven elementen, batterie sowie kraftfahrzeug mit batterie

Es wird ein Batteriegehäuse (10) für eine Batterie (11), bei dem auf der Außenseite mindestens ein beschleunigungssensitives Element (12) angeordnet ist, eine Batterie sowie ein Kraftfahrzeug mit einer Batterie beschrieben. Das mindestens eine beschleunigungssensitive Element (12) wechselt seinen Zustand in Abhängigkeit von einem vorgegebenen Grenzwert für eine Beschleunigung, wobei der Wechsel optisch wahrnehmbar ist. Die Batterie (11) weist vorzugsweise Lithium-Ionen-Batteriezellen auf.

Wärmeübertrager für Brennwert-Heizgeräte

Akkumulator

Mikro-wärmeübertrager mit sich kreuzenden, voneinander getrennten kanälen für die wärmeträgermedien

Mikro-wärmeübertrager mit sich kreuzenden, voneinander getrennten kanälen für die wärmeträgermedien

Verfahren zur Strukturierung einer Oberfläche

Es wird eine Vorrichtung und ein Verfahren zur Strukturierung einer Oberfläche (16, 17) eines elektrisch leitfähigen und als Anode geschalteten Gegenstandes (14) durch einen ECM-Prozeß beschrieben, wobei die ECM-Anlage eine Anode (12) und eine Kathode (18, 18a) aufweist und sich zwischen Kathode (18, 18a) und der zu strukturierenden Oberfläche (16, 17) ein Elektrolyt befindet. Die Struktur (23) auf der Oberfläche (16, 17) des Gegenstandes (14) wird mittels einer in die ECM-Anlage integrierten Maske (20, 20a) hergestellt.

Mikro-wärmeübertrager mit sich kreuzenden, voneinander getrennten kanälen für die wärmeträgermedien

Akkumulatorzelle mit beschichtetem terminal

Verfahren zur strukturierung einer oberfläche

Lithium-ionen-zelle, lithium-ionen-akkumulator sowie kraftfahrzeug mit einem lithium-ionen-akkumulator

Es wird eine Lithium-Ionen-Zelle mit Ableiterfolien und Kollektoren beschrieben. Die Ableiterfolie (15) der negativen Elektrode der Lithium-Ionen-Zelle besteht aus einer Aluminiumfolie (16), die beidseitig mit einer metallischen Schicht (17) bedeckt ist, und der Kollektor (10) für die negative Elektrode weist ein Aluminiumwerkstück (14) auf, das zumindest teilweise mit einer metallischen Schicht (13) bedeckt ist. Die metallischen Schichten (17, 13) der Ableiterfolie (15) und des Kollektors (10) sind aus Kupfer oder Nickel. Ferner werden ein Lithium-Ionen-Akkumulator und ein Kraftfahrzeug mit einem Lithium- Ionen-Akkumulator vorgeschlagen.

Verfahren zur herstellung eines bauelements aus übereinander gestapelten miteinander verlöteten platten

Verfahren zur herstellung eines bauelements aus übereinander gestapelten miteinander verlöteten platten

Způsob výroby součásti z navzájem na sobě naskládaných navzájem spájených desek

Verfahren zur überwachung eines ladevorgangs einer batterie

Es wird ein Verfahren zur Überwachung eines Ladevorgangs einer Batterie (20) beschrieben, in welchem Zellspannungen mehrerer Batteriezellen (21) in regelmäßigen zeitlichen Abständen gemessen werden (S11) und eine Belastung der Batterie (20) durch einen Einschaltvorgang eines zusätzlichen elektrischen Verbrauchers verhindert wird (S16), wenn die gemessene Zellspannung einer Batteriezelle (21) einen vorbestimmten Zellspannungsschwellenwert überschreitet (S14). Ferner wird ein Kraftfahrzeug vorgeschlagen, welches dazu ausgebildet ist, während eines Ladevorgangs der Batterie das erfindungsgemäße Verfahren auszuführen. Außerdem wird ein Batteriesystem beschrieben, in welchem ein Kontroller (25) dazu ausgebildet ist, während eines Ladevorgangs der Batterie (20) in Abhängigkeit gemessener Batterieparameter einen Schätzwert zu ermitteln, welcher der Maximaltemperatur in der Batterie (20) bei ununterbrochener Fortsetzung des Ladevorgangs entspricht.

Célula de iones de litio, acumulador de iones de litio, así como vehículo a motor con un acumulador de iones de litio

Una célula de iones de litio que presenta láminas de descarga y colectores, caracterizada porque la lámina de descarga (15) para un electrodo negativo de la célula de iones de litio se compone de una lámina de aluminio (16) que se encuentra cubierta por una capa metálica (17) a ambos lados o de forma completa, la cual se compone de cobre o de níquel, y porque el colector (10) para el electrodo negativo se compone de una pieza de trabajo de aluminio (14) que al menos en el área de contacto con el electrodo negativo de la célula de iones de litio se encuentra cubierta por una capa metálica (13) que se compone de cobre o de níquel; donde la capa metálica (17) de la lámina de descarga (15) se encuentra aplicada mediante plaqueado por laminación.

Micro-transmisor de calor con canales que se cruzan, separados unos de otros, para medios de transmision de calor.

Micro-transmisor de calor con canales (11, 12) dispuestos en planos alternos (E1, E2 a En) y que se cruzan perpendicularmente, que conducen los medios de transmisión de calor y que están separados unos de otros, caracterizado porque los canales (11, 12) están introducidos en un bloque de transmisores (10) en los planos (E1, E2 a En) en series adyacentes entre sí, porque el bloque de transmisores (10) termina al menos en dos lados opuestos entre sí con un apéndice circundante (13), reducido en la sección transversal, y porque estos apéndices (13) del bloque de transmisores (10) están insertados enrasados en un alojamiento (21) escalonado de una manera correspondiente de placas de pestañas (20) y están unidos con éstas.

Anordnung und verfahren zum kühlen

Die Erfindung betrifft eine Anordnung zum Kühlen mit einem ein Kältemittel führenden Kreislauf (60), einem ersten Wärmeübertrager (10) zur Abgabe von Wärme an ein Wärmereservoir (12), einem zweiten Wärmeübertrager (114) zur Entnahme von Wärme aus einem zu kühlenden Raum (116), einem Kompressor (18) und einem Expansionsorgan (120), wobei ein erster weiterer Wärmeübertrager (70) vorgesehen ist, der einen Wärmeübergang zwischen dem das Kältemittel führenden Kreislauf (60) und einem Kühlwasserkreislauf (80) ermöglicht. Die Erfindung betrifft ferner ein Verfahren zum Kühlen.

Wärmeübertrager für Brennwert-Heizgeräte

Fluidspeicher mit gassensor und filter

Die vorliegende Erfindung betrifft einen Fluidspeicher (1), insbesondere einen Adsorptions-Fluidspeicher mit einem Fluideinlass (2). Dieser Fluidspeicher zeichnet sich dadurch aus, dass eine Gasanalyseeinheit (3) zu Detektion von unerwünschten Verunreinigungen vorgesehen ist.

Dispositivo y procedimiento para refrigerar.

Dispositivo para refrigerar con - un circuito (60) que conduce un refrigerante, - un primer transmisor de calor (10) para entregar calor a un depósito de calor (12), - un segundo transmisor de calor (114) para extraer calor de un espacio a refrigerar (116), - un compresor (18) y un órgano de expansión, - estando previsto un primer transmisor de calor adicional (70) que hace posible una transmisión de calor entre el circuito que guía el refrigerante y un circuito de agua de refrigeración (80), caracterizado porque el agua de refrigeración procedente del circuito de agua de refrigeración (80) entra primero en el primer transmisor de calor adicional (70) y sólo después en el primer transmisor de calor (10).

Battery cell with a rapid discharge unit and rapid discharge method for such a battery cell

A battery cell ( 10 ) with two battery cell terminals ( 11, 12 ) which are contactable from inside and/or outside the battery cell ( 10 ), and an electrochemical part ( 20 ) comprising at least one separator. Upon the achievement of a predefined temperature, the at least one separator is at least partially impermeable to ions which can be generated in the electrochemical part ( 20 ). The battery cell ( 10 ) has a rapid discharge unit ( 30 ), which is connectable between the battery cell terminals ( 11, 12 ) and which, in a switched-in and consequently activated state, has a predefined resistance value. The predefined resistance value is selected such that, with the rapid discharge unit ( 30 ) switched-in, the at least one separator achieves the predefined temperature.