CN203351710U - Electric energy storage device - Google Patents
Electric energy storage device Download PDFInfo
- Publication number
- CN203351710U CN203351710U CN2013201848682U CN201320184868U CN203351710U CN 203351710 U CN203351710 U CN 203351710U CN 2013201848682 U CN2013201848682 U CN 2013201848682U CN 201320184868 U CN201320184868 U CN 201320184868U CN 203351710 U CN203351710 U CN 203351710U
- Authority
- CN
- China
- Prior art keywords
- battery
- electric energy
- energy accumulator
- heat carrier
- heat
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6553—Terminals or leads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to an electric energy storage device which is particularly used for a motor vehicle. The electric energy storage device is provided with a plurality of battery units with the same orientation, wherein each battery unit is provided with two parallel side surfaces correspondingly; and a battery terminal is arranged on one narrow side surface of each battery unit and provided with a positive electrode and a negative electrode correspondingly. More importantly, the battery units form a pocket type battery, and one cooling heat conductor is arranged between every two adjacent battery units; an electric insulation cooling channel for guiding a cooling medium is formed in the edge side of the heat conductor, and the cooling channel is connected with the battery units in a heat transfer manner and connected with the battery terminals in a heat transfer manner, and the cooling channels are close to the battery terminals. Therefore, the performance and the service life of the energy storage device are improved. The utility model further relates to a motor vehicle.
Description
Technical field
The utility model relates to a kind of electric energy accumulator motor vehicles, that have a plurality of flat plate cells that is particularly useful for.In addition, the utility model relates to a kind of motor vehicles that are equipped with this type of electric energy accumulator, especially motor vehicle driven by mixed power.
Background technology
By the electric energy accumulator of the known kind class of DE102009035465A1, the battery connection that it has a plurality of independent batteries and is arranged in the electrode side of these independent batteries, connect these independent batteries by battery and connect each other in series or in parallel.At this, in a cell connector (battery connector form fit, material fit and/or power arrange thereon ordinatedly), be integrated with a kind of cooling channel structure that heat-conducting medium is flow through, wherein battery connector with cell connector, be connected with heat conduction extraly and with its thermal coupling.Should realize the effective cooling of battery unit thus.
From US6, the known another kind of electric energy accumulator of 010,800A, wherein independently battery unit heap shape ground arrangement adjacent one another are, and be connected with a cooling duct by their electrode.Cooling duct so with heat-exchange surface in contacting, similarly should realize thus the effective cooling of battery unit.
From US2004/0201366A1 known a kind of electric energy accumulator also, wherein independently battery unit is combined into an overall battery module.At this, independently between battery unit, be provided with cooling channel structure at these, this structure can be carried out the cooling of battery unit independently and should be promoted its performance thus.
Other electric energy accumulator, especially can be cooling to improve the electric energy accumulator of its performance, for example, by US2007/0126396A1 and be known by US2011/0212355A1.
Modern high power battery, especially hybrid power or the traction battery in motor vehicle, due to its higher power, must be by cooling better, so that especially can retention and increase the service life.At this, known electric energy accumulator normally is comprised of a plurality of independently battery units, adjacent one another are or self arrangement in these battery units heap shape ground.These independently battery unit in this arrangement adjacent one another are in an identical manner and be also identical in the performance aspect temperatures thus.Yet, these independently battery unit identical arrangement adjacent one another are produced concentrating of so-called " focus (hotspots) ", and disadvantageous contrary impact, and having heated thus at these focuses between battery unit independently." focus " is generally understood as the point with temperature rising, critical.
The utility model content
Therefore, the utility model is devoted to address this problem, and for the electric energy accumulator in affiliated field proposes a kind of improvement project or is at least alternate embodiments, the salient point of this electric energy accumulator especially is its improved performance.
According to the utility model, this problem is to realize by following 1 and 10 themes that limit.Favourable embodiment is the theme that following 2-9 limits.
1. electric energy accumulator, be particularly useful for motor vehicles, this electric energy accumulator has the battery unit of a plurality of same orientation, these battery units correspondingly have two parallel sides, wherein each in these battery units has a battery terminal, this battery terminal correspondingly has a positive pole and a negative pole, wherein
These battery units form bag-type battery, arrange to have a coolable heat carrier between these bag-type batteries,
This heat carrier has a cooling duct guided and electric insulation at edge side,
This cooling duct is connected with these battery units by this heat conduction body heat on the one hand with transmitting, and heat is connected with these battery terminals with transmitting on the other hand, and wherein this cooling duct rests on this battery terminal place.
2. according to aforementioned 1 described electric energy accumulator, wherein, these battery units are surrounded by aluminium foil.
3. according to aforementioned 1 or 2 described electric energy accumulators, wherein, these battery terminals correspondingly have a wire contact pin or wire projection as positive pole and negative pole.
4. according to the described electric energy accumulator of any one in aforementioned 1 to 3, wherein, a plurality of battery units are arranged in adjacent to each other on a heat carrier and form together a battery module.
5. according to aforementioned 4 described electric energy accumulators, wherein, the battery module of at least two electric power is set in electric energy accumulator, wherein between two battery modules, arranges to have respectively an extra heat carrier.
6. according to the described electric energy accumulator of any one in aforementioned 1 to 5, wherein, this heat carrier MEDIA FLOW that self is cooled is crossed.
7. according to the described electric energy accumulator of any one in aforementioned 1 to 5, wherein, this heat carrier forms the thermal conductive metal plate that coolant does not flow through, and this thermal conductive metal plate only is connected with this cooling duct heat with transmitting.
8. according to the described electric energy accumulator of above any one, wherein, this cooling duct has the external cross section of a rectangle and/or the interior cross section of a circle.
9. according to the described electric energy accumulator of any one in aforementioned 1 to 8, wherein, this electric energy accumulator forms the traction battery in hybrid power or motor vehicle.
10. motor vehicles, especially hybrid power or motor vehicle, have according to the described electric energy accumulator of any one in aforementioned 1 to 9.
The general plotting of the utility model based on following: by using optimum cooling and battery unit that form bag-type battery (Beutelzellen), realize the performance and used life of (in particular for hybrid power or motor vehicle) electric energy accumulator.Electric energy accumulator of the present utility model has the battery unit of a plurality of same orientation for this reason, these battery units correspondingly have two parallel sides, and wherein each in these battery units has a battery terminal at an one place, narrow side, and this battery terminal correspondingly has a positive pole and a negative pole.According to the utility model, now these battery units are formed to so-called bag-type battery (bag-shaped battery (pouch cells)), arrange to have a coolable heat carrier, especially thermal conductive metal plate class between them.Be connected with the cooling duct of a guided and electric insulation at the edge side place of these heat carriers, this cooling duct is come to be connected with battery unit heat by heat carrier on the one hand with transmitting, and on the other hand heat transmit ground and simultaneously electric insulation ground with battery terminal, be connected, wherein this cooling duct directly and thus hot transmission optimally rest on this battery terminal place.This type of bag-type battery be particularly suitable for electric energy accumulator the same as flat plate cell, however when charge or discharge because internal resistance has produced used heat, these waste heat bag-type batteries.Special in the zone of battery terminal, namely in the zone of electric connecting terminal, caused higher temperature load in work at this at this electric energy accumulator, this temperature load not only may cause the shortening in useful life also may cause capacitance loss cooling when insufficient.The routine of this type of bag-type battery cooling normally undertaken by so-called thermal conductive metal plate at this, this thermal conductive metal plate one dorsad the end of this electric connecting terminal with coldplate, be connected.Therefore, maximum cooling power is not just in time overlapping with the place that produces maximum temperature, and cooling efficiency affects adversely thus.Eliminated this problem in accumulator of the present utility model, its mode is: make bag-type battery in the zone of maximum temperature, especially can be by effectively cooling in so-called " focus " zone, also have thus capacity (as the introductory song is mentioned) useful life that can significantly improve the electric energy accumulator formed according to the utility model.
In one of technical solutions of the utility model favourable improvement project, battery terminal correspondingly has a wire contact pin (Drahtlasche) or wire projection (Drahtfahne) as positive pole and negative pole.This type of wire contact pin or wire projection can obtain the flexible especially connection and also obtain thus the connection to the optimization of cooling duct in its electric connecting terminal zone of battery unit independently, so can realize effectively cooling and realize thus the effective work of accumulator.
In a particularly preferred execution mode of technical solutions of the utility model, these battery units that independently, form bag-type battery wrap up with aluminium foil.By wrap up these independently battery units with aluminium foil, can realize that especially effective heat transmits and also realize thus these independently battery unit especially effectively cooling, because these battery units rest on heat carrier or thermal conductive metal plate place on its whole cover.In addition, aluminium is not only good heat carrier, but also light, and this is especially advantageous particularly in the field of racing car structure.
Expediently, the battery module of at least two electric power is set in accumulator, wherein between two this type of battery modules, arranges to have respectively a heat carrier.At this, these battery modules have one usually separately at middle heat carrier, and two battery units that arrange on the opposite flank of this heat carrier or thermal conductive metal plate and heat is connected with this heat carrier with transmitting, wherein the and a kind of adjacent arrangement that be arranged in heat carrier this two battery modules in the middle of shared by of two these type of battery modules can realize effective especially temperature treatment.Electric energy accumulator of the present utility model not only can save thus space and therefore making to construct space optimally arranges these independently battery units, but also can realize that it is effectively cooling, can extend thus its useful life and promote its capacity simultaneously.
In another favourable execution mode of technical solutions of the utility model, this coolant not only flows through this cooling duct but also also flows through this heat carrier simultaneously, thus particularly well cooling and plane formula ground at corresponding heat carrier place the independently battery unit by putting.Alternatively, it is also conceivable that this heat carrier forms the thermal conductive metal plate that coolant can not flow through, this thermal conductive metal plate only is connected with actual cooling duct heat with transmitting.Can implement especially at an easy rate this actual heat carrier in this embodiment.Naturally also it is contemplated that a kind of Welded joint at this, wherein alternately be provided with the heat carrier that coolant flows through and coolant does not flow through and form thermal conductive metal plate.Thus can be by the one hand cheap technical scheme and the technical scheme combination with one another of useful and cooling management on the other hand.
The content that other important feature and advantage of the present utility model are limited by aforementioned 2-9, accompanying drawing and draw by the affiliated accompanying drawing of accompanying drawing.
It should be understood that the above-mentioned and following feature that will explain not only can be with being used in combination of providing separately and can also be with other combinations or use separately, and can not deviate from scope of the present utility model.
The accompanying drawing explanation
Preferred embodiment of the present utility model is shown in the drawings and describe in more detail in the following description, and wherein identical reference symbol refers to parts same or similar or that function is identical.
Schematically illustrated respectively in accompanying drawing:
A partial section of Fig. 1 the utility model electric energy accumulator,
Heat carrier of the present utility model of Fig. 2, have arrangement cooling duct thereon,
Battery module of the present utility model of Fig. 3, have a cooling duct and arrange heat carrier thereon, and the battery unit that is arranged in the heat carrier both sides.
Embodiment
Corresponding diagram 1 and Fig. 3, electric energy accumulator 1 of the present utility model has the battery unit 2 of a plurality of same orientation, these battery units correspondingly have two parallel sides, and wherein each in these battery units 2 has a battery terminal 3 at an one place, narrow side, and this battery terminal correspondingly has a positive pole 4 and a negative pole 5.According to the utility model, now these battery units 2 are formed to so-called pocket type unit (bag-shaped battery), arrange to have a coolable heat carrier 6 between them.These heat carriers 6 have the cooling duct 7 of a guided and electric insulation at edge side, this cooling duct is connected with independently battery unit 2 is warm by heat carrier 6 on the one hand with transmitting, and heat transmission ground and while electric insulation ground are connected with battery terminal 3 on the other hand, wherein these cooling duct 7 heat rest on this battery terminal 3 places with transmitting.Can carry out as required thus cooling, especially in the situation that battery terminal 3(that is to say the independently electric connecting terminal of battery unit 2) king-sized heat load is arranged, wherein independently the focus in battery terminal 3 zones of battery unit 2 can be cooled and improve thus these independently useful life and its capacity of battery unit 2 especially.Independently, form battery unit 2 inside of bag-type battery, pile respectively formula or collapsible arranged an anode 8 and a negative electrode 9 at this, and with an aluminium foil 10 shell type ground by its parcel.Aluminium foil 10 has higher thermal conductivity and has thus the hot link to the optimum of coolable heat carrier 6 at this.
These independently battery terminal 3 there is respectively positive pole 4 and a negative pole 5 that forms wire contact pin or wire projection at this, this electrode can be connected to especially flexibly 7 places, cooling duct and be connected to 7 places, cooling duct at this with the thermaltransmission mode of optimizing especially thus.At corresponding heat carrier 6 places, can arrange adjacent to each other a plurality of battery units 2, and correspondingly form together a battery module 11 thus.Between this type of battery module 11, can and then correspondingly arranging has a heat carrier 6, and this heat carrier has a cooling duct of attaching troops to a unit 7.For example, as showing according to Fig. 1.
This type of electric energy accumulator 1 is for example as the traction battery in motor vehicles 13, and wherein this type of motor vehicles 13 especially can form electronic or motor vehicle driven by mixed power.
Claims (10)
1. electric energy accumulator (1), for motor vehicles (13), this electric energy accumulator has the battery unit (2) of a plurality of same orientation, these battery units correspondingly have two parallel sides, wherein each in these battery units (2) has a battery terminal (3), this battery terminal correspondingly has a positive pole (4) and a negative pole (5), it is characterized in that
These battery units (2) form bag-type battery, arrange to have a coolable heat carrier (6) between these bag-type batteries,
This heat carrier (6) has a cooling duct guided and electric insulation (7) at edge side,
This cooling duct (7) is connected with these battery units (2) by this heat carrier (6) heat on the one hand with transmitting, and with these battery terminals (3), is connected to the heat transmission on the other hand, and wherein this cooling duct (7) rest on this battery terminal (3) and locate.
2. electric energy accumulator according to claim 1, is characterized in that, these battery units (2) are surrounded by aluminium foil (10).
3. electric energy accumulator according to claim 1 and 2, is characterized in that, these battery terminals (3) correspondingly have a wire contact pin or the conduct of wire projection is anodal and negative pole (4,5).
4. electric energy accumulator according to claim 1 and 2, is characterized in that, a plurality of battery units (2) are arranged in adjacent to each other a heat carrier (6) above and form together a battery module (11).
5. electric energy accumulator according to claim 4, is characterized in that, the battery module (11) of at least two electric power is set in electric energy accumulator (1), wherein between two battery modules (11), arranges to have respectively an extra heat carrier (6).
6. electric energy accumulator according to claim 1 and 2, is characterized in that, this heat carrier (6) MEDIA FLOW that self is cooled is crossed.
7. electric energy accumulator according to claim 1 and 2, is characterized in that, this heat carrier (6) forms the thermal conductive metal plate that coolant does not flow through, and this thermal conductive metal plate only is connected with this cooling duct (7) heat with transmitting.
8. electric energy accumulator according to claim 1 and 2, is characterized in that, this cooling duct (7) have the external cross section of a rectangle and/or the interior cross section of a circle.
9. electric energy accumulator according to claim 1 and 2, is characterized in that, this electric energy accumulator (1) forms the traction battery in hybrid power or motor vehicle.
10. motor vehicles (13), have according to the described electric energy accumulator of any one in claim 1 to 9 (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210103129 DE102012103129A1 (en) | 2012-04-12 | 2012-04-12 | Electrical energy storage device for motor car e.g. hybrid car, has electrically insulated cooling channel that primarily transfers heat to battery cells through heat-conducting element and secondarily transfers heat to cell terminals |
DE102012103129.0 | 2012-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203351710U true CN203351710U (en) | 2013-12-18 |
Family
ID=49232052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2013201848682U Expired - Lifetime CN203351710U (en) | 2012-04-12 | 2013-04-12 | Electric energy storage device |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN203351710U (en) |
DE (1) | DE102012103129A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109792098A (en) * | 2016-09-30 | 2019-05-21 | 株式会社自动网络技术研究所 | Power storage module |
CN111406194A (en) * | 2017-12-01 | 2020-07-10 | 株式会社自动网络技术研究所 | Heat transport member and electricity storage module |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016208053B4 (en) | 2016-05-10 | 2023-12-21 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle with a high-voltage battery |
FR3078828B1 (en) * | 2018-03-08 | 2020-03-13 | Faurecia Systemes D'echappement | ELECTRIC BATTERY FOR VEHICLE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6010800A (en) | 1998-06-17 | 2000-01-04 | Hughes Electronics Corporation | Method and apparatus for transferring heat generated by a battery |
JP4837155B2 (en) | 1998-11-27 | 2011-12-14 | パナソニック株式会社 | Storage battery |
KR101029021B1 (en) | 2005-12-02 | 2011-04-14 | 주식회사 엘지화학 | Battery Module of High Cooling Efficiency |
EP2359422A1 (en) * | 2008-11-28 | 2011-08-24 | Siemens Sas | System for assembling electrical energy modules |
DE102009035465A1 (en) | 2009-07-31 | 2011-02-03 | Daimler Ag | Battery i.e. lithium ion battery, for use in e.g. fuel cell vehicle, utilized for transporting passengers, has cooling channel structure integrated in cell connector plate, and cell connectors heat-conductively connected with plate |
US8383260B2 (en) | 2010-02-26 | 2013-02-26 | GM Global Technology Operations LLC | U-formed cooling plate with solid fins for lithium pouch cells |
-
2012
- 2012-04-12 DE DE201210103129 patent/DE102012103129A1/en active Pending
-
2013
- 2013-04-12 CN CN2013201848682U patent/CN203351710U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109792098A (en) * | 2016-09-30 | 2019-05-21 | 株式会社自动网络技术研究所 | Power storage module |
CN111406194A (en) * | 2017-12-01 | 2020-07-10 | 株式会社自动网络技术研究所 | Heat transport member and electricity storage module |
Also Published As
Publication number | Publication date |
---|---|
DE102012103129A1 (en) | 2013-10-17 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20131218 |
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CX01 | Expiry of patent term |