WO2012167812A1 - Unité d'accumulation d'énergie et/ou unité de conversion d'énergie - Google Patents

Unité d'accumulation d'énergie et/ou unité de conversion d'énergie Download PDF

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Publication number
WO2012167812A1
WO2012167812A1 PCT/EP2011/006271 EP2011006271W WO2012167812A1 WO 2012167812 A1 WO2012167812 A1 WO 2012167812A1 EP 2011006271 W EP2011006271 W EP 2011006271W WO 2012167812 A1 WO2012167812 A1 WO 2012167812A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
compensation element
energy storage
pressure
storage unit
Prior art date
Application number
PCT/EP2011/006271
Other languages
German (de)
English (en)
Inventor
Dirk Schröter
Barbara Seling
Andreas WARKENTIN
Norbert Wiesheu
Original Assignee
Daimler Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler Ag filed Critical Daimler Ag
Publication of WO2012167812A1 publication Critical patent/WO2012167812A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/342—Non-re-sealable arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to an energy storage unit and / or converter unit according to the features of the preamble of claim 1.
  • a container in which an electrolyte circulates.
  • the container has a device for preventing pressure changes in the container.
  • the device comprises a pressure compensation element, which as an elastic hollow body of a
  • acid-resistant and airtight material is formed and disposed in a gas-filled region of the container.
  • An interior of the pressure compensation element is in contact with an external environment of the container, so that the
  • the invention has for its object to provide an improved energy storage unit and / or converter unit.
  • An energy storage unit and / or energy converter unit has at least one pressure compensation element configured as an elastic hollow body, d. H. the
  • Pressure compensation element has an elastic, in particular expandable wall, so that it, like a balloon, can inflate and contract again and formed in this way a variable volume fluid reservoir, in particular gas storage.
  • At least one opening of the pressure compensation element is connected to at least one housing opening of a housing of the energy storage unit and / or converter unit, wherein the housing opening through the
  • Energy storage unit and / or converter unit is sealed fluid-tight, d. H. the pressure compensation element acts as a fluid-tight closure of an interior of the
  • the energy storage unit and / or converter unit may be provided for mobile and / or stationary uses. It is for example one
  • electrochemical energy storage unit and / or -wandleraji in particular an electrochemical battery with at least one single cell or with a plurality of parallel and / or series electrically interconnected single cells.
  • electrochemical battery energy storage unit and / or -wandleraji is for example a vehicle battery, in particular a battery for a
  • Hybrid vehicle a fuel cell vehicle or an electric vehicle.
  • Such an entry of moisture can lead to damage, in particular in the form of corrosion, to parts of the energy storage unit and / or converter unit arranged in the housing.
  • the moisture can shorts on the housing arranged portions of the energy storage unit and / or -wandleratti cause and / or lead to an increase in electrical resistance to the arranged in the housing parts of the energy storage unit and / or -wandleriens and thereby to a higher heat loss.
  • the housing and / or the pressure compensation element are formed at least within a predetermined housing inner pressure range fluid-tight against an outer environment of the housing. This is possible because of the
  • Pressure compensation at least within the predetermined housing internal pressure range, only by the pressure compensation element can be realized.
  • fluids in particular ambient air and
  • the housing and / or the pressure compensation element preferably has at least one overpressure and / or vacuum valve. If a maximum expansion size of the pressure compensation element is limited, for example due to a limited installation space in which it can expand, then the pressure compensation element can realize the pressure compensation only within certain limits, for example tuned to main operating conditions of the energy storage unit and / or
  • the overpressure and / or vacuum valve is, for example, by means of a
  • Measuring device controllable, for example by a pressure sensor, by means of which the pressure and / or vacuum valve is switchable.
  • Vacuum valve is closed, for example, in the de-energized state and by
  • the vacuum valve preferably runs over or through one with a
  • Moisture binding agent for example so-called SILICA particles, filled
  • Drying cartridge to extract moisture in the housing inflowing air moisture and to prevent moisture entry into the housing even with the pressure relief and / or vacuum valve open or at least significantly reduced.
  • a gas-permeable, in particular air-permeable and liquid-impermeable membrane for example
  • PTFE Polytetrafluoroethylene
  • the pressure compensation element is expediently formed from plastic and / or metal, for example from one or more fabrics and / or from one or more films. For stability reasons, for example, a layer structure of several film and / or fabric layers of plastic and / or metal is possible.
  • the pressure compensation element is arranged in an advantageous embodiment within and in a further advantageous embodiment outside of the housing. When using a plurality of pressure compensation elements is also a
  • Pressure equalization elements are within and one or more further
  • Pressure compensation elements arranged outside the housing.
  • Pressure compensation elements can be used. Furthermore, for example, even in a housing having a plurality of separate internal spaces the
  • Connected housing opening which seals it, as in the pressure compensation element is a shielded from the interior of the housing and connected via the opening in the pressure compensation element connected to the external environment variable air volume, whereby a separation required for the pressure equalization
  • Pressure compensation element in the housing immediately compensated, so that the pressure difference is always close to zero.
  • the pressure compensation element is arranged outside the housing and connected to the housing opening which seals it, a variable fluid volume which is shielded from the outside environment of the housing and connected to the interior of the housing via the opening in the pressure compensation element is present in the pressure compensation element. If the housing internal pressure rises above the
  • Pressure compensation element in the housing immediately compensated, so that the pressure difference is close to zero at all times.
  • the opening of the pressure compensation element is arranged in an advantageous embodiment of the housing opening and connected in a further advantageous embodiment by a connecting line with the housing opening.
  • a combination of the two embodiments is possible when using a plurality of pressure compensation elements.
  • connection of the opening of the pressure-equalizing element with the housing opening via a connecting line is advantageous in order to be able to position the pressure-equalizing element at a favorable position at which, in particular, unimpeded expansion of the
  • Pressure equalization element is possible.
  • the pressure compensation element can be positioned in this way at a sheltered location in order to avoid or at least significantly reduce the risk of damage to the pressure compensation element.
  • the housing opening has a connection unit for connecting the pressure compensation element, either directly or indirectly via the connecting line, on, wherein the connection unit is gas-permeable and sealing against liquids and solids, in particular in the form of dust, is formed.
  • the connection unit has, for example, a gas-permeable, in particular
  • connection unit is both an ingress of liquids and contaminants in the pressure compensation element as well as their penetration into the interior of the housing in case of damage to the pressure compensation element, such as bursting, tearing or complete removal of the
  • Pressure compensation element prevented or at least greatly reduced.
  • the housing opening may have an emergency shut-off valve, which closes the housing opening in the event of damage to the pressure compensation element, for example when it burst, tears or completely clears the housing
  • Pressure compensation element closes and in this way an intrusion of
  • pressure compensation element is for example by means of a
  • Damage to the pressure compensation element by damage to the metal foil and a resulting change in a monitored current, voltage, and / or resistance in the monitoring circuit determined and then the
  • Emergency shut-off valve can be activated and closed.
  • the housing is preferably filled with an inert gas or protective gas, for example with nitrogen, carbon dioxide and / or with a noble gas.
  • Protective gas or inert gas is for example a risk of fire in the interior of the housing arranged parts of the energy storage unit and / or -wandleratti prevented or at least reduced. Since a gas exchange with the outer environment of the housing is prevented or at least significantly reduced by the pressure compensation element, a dilution of the protective gas or inert gas with
  • the housing and / or the pressure compensation element has a valve for filling and / or suction of a fluid, for example for filling and / or suction of the inert gas or inert gas or of air.
  • This valve can be any valve for filling and / or suction of a fluid, for example for filling and / or suction of the inert gas or inert gas or of air.
  • the pressure and / or vacuum valve or a separate valve.
  • the filling of the inert gas or protective gas or the air should be carried out such that the pressure compensation element is filled and inflated in accordance with the prevailing pressure conditions and temperatures during filling. Ie. a respective filling volume must be adjusted accordingly.
  • Fig. 1 shows schematically an inner air volume change in a battery after
  • Fig. 2 shows schematically an internal pressure change in a battery after
  • FIG. 3 shows schematically a first exemplary embodiment of an energy storage unit and / or converter unit in a first operating state
  • 4 schematically shows a first exemplary embodiment of an energy storage unit and / or converter unit in a second operating state
  • FIG. 5 schematically shows a second embodiment of an energy storage unit and / or converter unit
  • FIG. 6 shows schematically a third exemplary embodiment of an energy storage unit and / or converter unit
  • Fig. 7 shows schematically a housing internal pressure change in a
  • FIG. 1 schematically shows an inner air volume change dVB as a function of a change in a battery temperature TB in a battery according to the prior art with a battery housing not sealed to an environment.
  • the battery had an internal volume of air in a battery compartment, for example, ten liters. This inside air volume results from a free space which is still present in the battery housing and is filled with air.
  • Ambient pressure d. H. a pressure difference between internal pressure in the battery case and ambient pressure is zero.
  • Fluid volume change of a relation to an external environment fluid-sealed fluid at least within a predetermined volume range and thereby within a predetermined temperature range is made possible, whereby the described disadvantages of batteries are avoided according to the prior art.
  • Figure 7 a housing internal pressure change dPE in
  • converter volume 1 and in FIG. 8 a fluid volume change dVE as a function of the temperature TE of the energy storage unit and / or converter unit 1.
  • the energy storage unit and / or converter unit 1 may be provided for mobile and / or stationary uses. It is for example one
  • electrochemical energy storage unit and / or -wandleriens in particular, as in the embodiments shown here, an electrochemical battery with at least one single cell or with a plurality of parallel and / or series electrically interconnected single cells.
  • electrochemical battery energy storage unit and / or -wandleriens 1 is for example a vehicle battery, in particular a battery for a hybrid vehicle, a
  • Fuel cell vehicle or an electric vehicle Fuel cell vehicle or an electric vehicle.
  • the energy storage unit and / or -wandleratti 1 has, as shown in Figures 3 to 6, at least one designed as an elastic hollow body
  • Pressure equalization element 2 that is, the pressure compensation element 2 has an elastic, in particular expandable wall, so that it, analogous to a balloon, can inflate and contract again and in this way one
  • volume variable fluid reservoir in particular gas accumulator forms.
  • Pressure compensation element 2 is formed, for example, from plastic and / or metal, for example from one or more fabrics and / or from one or more films. For stability reasons, for example, a layer structure of several film and / or fabric layers of plastic and / or metal is possible.
  • An opening of the pressure compensation element 2 is connected to a housing opening of a housing 3 of the energy storage unit and / or converter unit 1 in such a way that the housing opening is closed in a fluid-tight manner by the pressure compensation element 2 with respect to the external environment of the energy storage unit and / or converter unit 1, d. H. the pressure compensation element 2 acts as a fluid-tight closure of a
  • the housing 3 is closed at all other locations at least largely closed to the outside environment. Fiuiddicht means in this context that an exchange of liquids and gases, in particular of air and moisture, for example in the form of humidity, between the interior 4 of the housing 3 and the external environment is at least largely prevented.
  • the pressure compensation element 2 is arranged inside the housing 3 and fastened to a connection unit 5 of the housing opening, via which the pressure compensation element 2 is connected to the external environment, i. H. is connected to outside air in the external environment.
  • a connection unit 5 of the housing opening via which the pressure compensation element 2 is connected to the external environment, i. H. is connected to outside air in the external environment.
  • Pressure compensation element 2 largely pressure-difference-free connected to the external environment and thereby the volume work with the external environment, d. h with the outside air.
  • connection unit 5 is gas-permeable and sealing against liquids and solids, in particular in the form of dust formed.
  • the connection unit 5 for example, a gas-permeable, in particular air-permeable and liquid-impermeable membrane, for example of polytetrafluoroethylene (PTFE). This can for example be combined with an additional dust filter.
  • PTFE polytetrafluoroethylene
  • Pressure compensation element 2 prevented or at least greatly reduced.
  • Such battery for example, a plurality of electrically series and / or parallel interconnected individual cells.
  • these may be, for example, one or more tempering devices for tempering the individual cells, for example heat-conducting plates, and furthermore, alternatively or additionally, for example electrical connection devices and / or
  • a fluid exchange in particular an air or gas exchange, between the housing 3 and the external environment of
  • Ambient pressure relative to the housing internal pressure for example due to a downhill and / or a slight drop in the housing internal pressure relative to the ambient pressure, for example due to a decrease in temperature in the interior 4, by an influx of ambient air into the pressure compensation element 2 and an expansion of the pressure compensation element 2 in the housing 3 immediately compensated.
  • This is schematically indicated in FIG. 4 by a second arrow P2 directed into the pressure compensation element 2.
  • the expanded pressure compensation element 2 replaces the volume of the compressed fluid, d. H.
  • the pressure compensation element 2 as shown in Figure 5, attached directly to the terminal unit 5 of the housing opening or, as in 6, connected via a connecting line 7, which is fixed to the connection unit 5, connected to the housing opening.
  • the connection line 7 formed, for example, as a pipe or hose and, for example, made of plastic or metal, is advantageous, for example, in order to be able to position the pressure compensation element 2 at a favorable position, on which, in particular, unimpeded expansion of the pressure compensation element 2 is possible.
  • the pressure compensation element 2 can be positioned in this way at a protected location to reduce the risk of
  • connection unit 5 shown in FIGS. 5 and 6 may have a similar structure as already described with reference to FIGS. H. gas-permeable and in particular sealing against liquids, for example by means of the gas-permeable, in particular air-permeable and liquid-impermeable membrane, for example of polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • Pressure equalization element 2 for example, in a burst, tearing or
  • the dust filter may also be present to even a penetration of dust into the interior 4 of the housing 3 or usefully already a pollution and clogging of the gas-permeable and
  • the housing opening a not shown here
  • Notab gleichventil have, which the housing opening in case of damage to the pressure compensation element 2, for example, in a burst, tearing or
  • Damage to the metal foil and a resulting change in a monitored current, voltage, and / or resistance in the monitoring circuit can be determined and then the emergency shut-off valve controlled and closed.
  • Analog is already a slight increase in the ambient pressure compared to the internal pressure of the housing and / or a slight drop in the housing internal pressure relative to the ambient pressure, for example, due to the reasons already mentioned above, by a compression of the pressure compensation element 2 and a
  • the interior 4 of the housing 3 is preferably filled with an inert gas or inert gas, for example with nitrogen, carbon dioxide and / or with a noble gas.
  • Protective gas or inert gas for example, a risk of fire in the interior 4 of the housing 3 arranged parts 6 of the energy storage unit and / or -wandleratti 1 can be prevented or at least reduced. Since a gas exchange with the outer environment of the housing 3 is prevented or at least significantly reduced by the pressure compensation element 2, a dilution of the protective gas or inert gas with
  • Fire protection effect is maintained over a very long service life of the energy storage unit and / or -wandlerica 1 away.
  • the housing 3 and / or the pressure compensation element 2 has a valve, not shown here, for filling and / or aspirating a fluid, in particular for filling in the inert gas or protective gas.
  • a valve not shown here, for filling and / or aspirating a fluid, in particular for filling in the inert gas or protective gas.
  • the filling of the inert gas or inert gas or, if this is not used, the filling of air should be carried out such that the pressure compensation element 2 according to the pressure conditions prevailing during filling and
  • Temperatures are filled and bloated. Ie. a respective filling volume must be adjusted accordingly.
  • the pressure compensation element 2 should be inflated, for example, up to half the maximum permissible size. In this way, it can, for example, with housing internal pressure changes dPE and / or fluid volume changes dVE, for example, due to temperature changes, still sufficiently expand or contract.
  • Corrosion protection requirements for the arranged in the interior 4 of the housing 3 parts 6 of the energy storage unit and / or -wandleratti 1 reduced, so that the corrosion protection requirements are already met with simple constructive measures. As a result, manufacturing facilitation and cost and weight savings can be realized.
  • Pressure equalization element 2 does not occur, there is a risk of explosion or
  • transducer unit 1 not present or at least considerably reduced.
  • Interior space filled inert or inert gas is very large and / or a maximum expansion size of the pressure compensation element 2 is limited, for example, due to a limited space in which it can expand, the pressure compensation element 2 can realize the pressure compensation only within certain limits, for example, tuned to main operating conditions of the
  • the housing 3 and / or the pressure compensation element 2 preferably at least one not shown here overpressure and / or vacuum valve to an explosion or implosion of the housing 3 and the resulting strong
  • the overpressure and / or vacuum valve is, for example, by means of a
  • Measuring device controllable, for example by a pressure sensor, by means of which the pressure and / or vacuum valve is switchable.
  • Vacuum valve is closed, for example, in the de-energized state and by
  • the vacuum valve preferably runs over or through one with a
  • Moisture binding agent for example so-called SILICA particles, filled
  • Drying cartridge to extract moisture in the housing 3 incoming air moisture and moisture entry into the housing 3, d. H. in the interior 4, even when the pressure relief and / or vacuum valve is open to avoid or at least significantly reduce.
  • a gas-permeable, in particular air-permeable and liquid-impermeable membrane for example made of polytetrafluoroethylene (PTFE) may be arranged.
  • PTFE polytetrafluoroethylene
  • volume curve VK As can be seen from the curves DK, VK, this results in a compromise between an isobaric and an isochoric operation of the energy storage unit and / or converter unit 1, the isobaric operation being possible in a temperature range in which the energy storage unit and / or converter unit 1 by default, d. H. within a normal operating temperature range of the energy storage unit and / or converter unit 1.
  • the pressure compensation element 2 is able by its volume change the pressure balance between the
  • Pressure compensation element 2 to compensate for the fluid volume changes dVE in
  • Pressure compensation element 2 in a medium normal operating temperature range, between 0.35 L and -0.35 L.
  • Pressure equalization element 2 more possible, for example, because it is already fully compressed or maximally possible inflated, enters the energy storage unit and / or converter unit 1 in the isochoric operation, ie the housing internal pressure increases with further temperature changes, in the example shown here Temperatures TE of 30 ° C and higher, or falls, in the example shown here from TE temperatures of 10 ° C and lower.
  • Outflow housing 3 and outside air from the outer environment of the housing 3 can flow into the interior 4 of the housing 3, whereby a stabilization of the housing internal pressure takes place at the respective level and the risk of explosion or implosion of the housing 3 and the damage in the interior 4 of the housing 3 arranged parts 6 of the energy storage unit and / or converter unit 1 is prevented or at least significantly reduced.
  • the flow path of the compensating air flow through the overpressure and / or vacuum valve preferably via or through a filled with a moisture-binding agent, for example so-called SILICA particles

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne une unité d'accumulation d'énergie et/ou une unité de conversion d'énergie (1) comprenant au moins un élément de compensation de pression (2) formé d'un corps élastique creux. Selon la présente invention, au moins une ouverture de l'élément de compensation de pression (2) est reliée à au moins une ouverture d'un carter (3) de l'unité d'accumulation d'énergie et/ou unité de conversion d'énergie (1), l'ouverture du carter étant fermée de manière étanche aux fluides par l'intermédiaire de l'élément de compensation de pression (2) vis-à-vis d'un environnement externe de l'unité d'accumulation d'énergie et/ou unité de conversion d'énergie (1).
PCT/EP2011/006271 2011-06-10 2011-12-13 Unité d'accumulation d'énergie et/ou unité de conversion d'énergie WO2012167812A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011103998.1 2011-06-10
DE102011103998A DE102011103998A1 (de) 2011-06-10 2011-06-10 Energiespeichereinheit und/oder -wandlereinheit

Publications (1)

Publication Number Publication Date
WO2012167812A1 true WO2012167812A1 (fr) 2012-12-13

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WO (1) WO2012167812A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013009212A1 (de) * 2013-05-31 2014-12-04 Volkswagen Aktiengesellschaft Vorrichtung zum Druckausgleich für ein geschlossenes Volumen
DE102013222630A1 (de) 2013-11-07 2015-05-07 Volkswagen Ag Energiespeicher und/oder Energiewandler
DE102015117455A1 (de) * 2015-10-14 2017-04-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Batterievorrichtung
DE102017202743A1 (de) 2017-02-21 2018-08-23 Audi Ag Batterieanordnung für ein Kraftfahrzeug und Kraftfahrzeug
DE102019126269A1 (de) * 2019-09-30 2021-04-01 Audi Ag Druckausgleichsanordnung
DE102020104893A1 (de) 2020-02-25 2021-08-26 Bayerische Motoren Werke Aktiengesellschaft Aufnahmevorrichtung, insbesondere Gehäuse, für die Aufnahme wenigstens eines Energie-speichers, insbesondere für ein Kraftfahrzeug
DE102020004530A1 (de) 2020-07-27 2022-01-27 Daimler Ag Druckausgleichselement und Zellmodul

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018314A (en) * 1954-03-16 1962-01-23 Yardney International Corp Filling mechanism for deferred-action batteries
JPH0237663A (ja) * 1988-07-25 1990-02-07 Yuasa Battery Co Ltd 密閉型鉛蓄電池
US20030022059A1 (en) 2000-12-06 2003-01-30 Takefumi Ito Pressurre fluctuation prevention tank structure, electrolyte circulation type secondary battery, and redox flow type secondary battery
JP2003086169A (ja) * 2001-09-12 2003-03-20 Japan Storage Battery Co Ltd 接続端子を備えた電池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018314A (en) * 1954-03-16 1962-01-23 Yardney International Corp Filling mechanism for deferred-action batteries
JPH0237663A (ja) * 1988-07-25 1990-02-07 Yuasa Battery Co Ltd 密閉型鉛蓄電池
US20030022059A1 (en) 2000-12-06 2003-01-30 Takefumi Ito Pressurre fluctuation prevention tank structure, electrolyte circulation type secondary battery, and redox flow type secondary battery
JP2003086169A (ja) * 2001-09-12 2003-03-20 Japan Storage Battery Co Ltd 接続端子を備えた電池

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Publication number Publication date
DE102011103998A1 (de) 2012-12-13

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