CN104584275A - Electrical energy storage cell and method for producing an electrical energy storage cell - Google Patents
Electrical energy storage cell and method for producing an electrical energy storage cell Download PDFInfo
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- CN104584275A CN104584275A CN201380046131.7A CN201380046131A CN104584275A CN 104584275 A CN104584275 A CN 104584275A CN 201380046131 A CN201380046131 A CN 201380046131A CN 104584275 A CN104584275 A CN 104584275A
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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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
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
- H01M10/281—Large cells or batteries with stacks of plate-like electrodes
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/12—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with flat electrodes
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/42—Grouping of primary cells into batteries
- H01M6/46—Grouping of primary cells into batteries of flat 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to an electrical energy storage cell with a plurality of first planar electrode foils having cutouts on a long side thereof, and a plurality of second planar electrode foils having contact lugs on a long side thereof, said contact lugs being congruent with the cutouts. The first planar electrode foils and the second planar electrode foils are stacked alternately and in plane-parallel relative each other to give a storage cell stack such that the contact lugs alternately overlap the cutouts.
Description
Technical field
The present invention relates to a kind of power storage battery and a kind of method for the manufacture of power storage battery.
Background technology
Usually from power storage battery, obtain direct current, or direct current is fed in described power storage battery.Therefore, the structure known at present of energy storage batteries is all be optimized design for the special energy of energy storage batteries or power density and ohmic internal resistance.
In many application of power storage battery, storage battery is arranged according to serial or parallel connection and is interconnected to battery module, so that the output parameter desired by regulating, as total voltage, voltage range, accumulation of energy or power density.Document DE 10 2,010 035 114 A1 such as discloses the battery assembly module with multiple battery unit, and described battery unit has the storage battery battery by the electric coupling of bus bus-bar respectively.Document EP 2 413 414 A2 discloses a kind of flat cell (Akkuflachzelle), this flat cell has the anode and cathode thin film that lay successively in film shell, and described anode is connected with the extreme son of this flat cell with anode tap by negative electrode with cathode thin film.
Document WO 2011/116807 A1 discloses a kind of battery cell, and this battery cell has the electrode stack of electro-chemical activity, and the electrode film of this electrode stack utilizes contact projection respectively and is connected to phase conductor terminal.Document WO 2009/073492 A2 discloses the battery cell with electrode film, and described electrode film has prolongation fragment, and described prolongation fragment can be connected to extreme son.Document JP 2008108477 A discloses a kind of manufacture method for energy storage, and this energy storage has columniform electrode film storehouse, and electrical contact projection protrudes from this electrode film storehouse with spiral stairway shape.
If obtain the electric current with the alternating current component of increase from such energy storage batteries, so the impact of the distributed inductance of energy storage batteries just increases with frequency.The perceptual loss of energy storage batteries is interconnected by electrode, pole and each component of waste of electrode layout in the housing forms.In addition, under the running frequency within the scope of kHz, may loss be there is due to kelvin effect in current-carrying region, and occur eddy current in the housing in conducting surface, such as.
Energy storage batteries can have one or more battery roll core usually, and described battery roll core is integrated in independent or common housing.The usual form of energy storage batteries is cylindrical battery, lachrymal sac battery or flat cell at this.Have the inductance of distribution in this energy storage batteries, it depends on the interconnection of inside battery, discharger geometry and extreme son.If energy storage batteries is such as applied in the battery pack system with integrated current transformer, so-called BDI, the described perceptual weight of so energy storage batteries impedance can cause the corresponding high loss of energy in the power electronic switching device of this current transformer when the high running frequency of current transformer.Therefore this can cause the cost in the wearing and tearing of the increase of switching device, the efficiency of the lower of BDI and the manufacturing technology of increase to have the cooling system of enough cooling powers for enforcement.
There is the following demand to energy storage batteries, namely described energy storage batteries has less loss about the extraction of high-frequency alternating current, and therefore improves the efficiency of the system adopting described energy storage batteries.In addition, there is the following demand to such energy storage batteries, namely described energy storage batteries can in a straightforward manner and be routed to energy storage module with low ohm and emotional resistance.
Summary of the invention
According to an aspect, a kind of power storage battery of the invention, it has multiple first plane electrode film and multiple second plane electrode film, wherein said first plane electrode film has recess respectively on a long limit, described second plane electrode film has the contact projection conformed to described recess respectively on a long limit, wherein the first plane electrode film is parallel with the second plane electrode film mutual plane and be alternately stacked as storage battery storehouse, makes contact projection alternately overlapping with recess respectively.
According to another aspect, a kind of method for the manufacture of power storage battery of the invention, the method has following steps: alternately arrange multiple first plane electrode film and multiple second plane electrode film, wherein the first plane electrode film has recess respectively on a long limit, second plane electrode film has the contact projection conformed to described recess respectively on a long limit, wherein the first plane electrode film is parallel with the second plane electrode film mutual plane and be alternately stacked as storage battery storehouse, make contact projection alternately overlapping with recess respectively, by around the contact area of recess and the first planar contact element electrical contact, this first planar contact element is disposed in the extension plane perpendicular to the extension plane of the first plane electrode film, by contact projection and the second planar contact element electrical contact, this second planar contact element is disposed in the extension plane perpendicular to the extension plane of the first plane electrode film.
Advantage of the present invention
Design of the present invention is, due to the loss that the eddy current occurred in energy storage batteries inside and/or in its housing when controlling power storage battery causes, the suitable internal structure by energy storage batteries reduces with internal cell inductance little as far as possible.At this, film geometry is used to the stacking electrode film of energy storage batteries, wherein obtains minimum power sense cell by the contact of electrode film and battery pole terminal.This is realized by following, and namely electrode film is perpendicular to having the contact projection offset from each other in thin film planar, and described contact projection is staggered engagement on film normal direction when laying electrode film successively.
A significant advantage is, especially can reduce the wastage when extracting high-frequency alternating current from energy storage batteries energy significantly.Especially there is integrated current transformer, the direct current transformer of so-called battery pack (" the direct inverter of battery direct inverter(battery pack); BDI ") battery pack system in, the described reduction of loss of energy is very favorable, in order to the quick change of being carried by the electric current of battery module is carried out in the change of current/voltage in described battery pack system.This to great extent by means of due to low ohm internal electrode interconnection caused by the reduction of power sense cell and the contact resistance especially on the extreme son of energy storage batteries reduction and may.
Especially the advantageously plane contact of each electrode film and contact projection and battery pole terminal, this cause the minimized Ohmic resistance within energy storage batteries and minimized by the electric current within energy storage batteries around magnetizing force face.This can reduce eddy current and be formed, and therefore reduces the energy loss in the ac operation of energy storage batteries.
Another advantage is, the delay exported by energy or the load of minimization of energy storage battery after load variations, and improves the dynamic in short-term of such energy storage batteries.Can advantageously abandon thus otherwise the compensating device that may exist, such as buffer condenser, this can reduce construction space demand and the manufacturing cost of the component being applied to energy storage batteries.In addition, dynamically reduce avalanche energy by the improvement of energy storage batteries, it is for being powered to BDI by the energy storage module with such energy storage batteries, means A.C.power loss less in the switching device of this BDI.
In addition, Electro Magnetic Compatibility (EMV) can be improved by avoiding the perceptual loss component of energy storage batteries, because launched electromagnetic field can be reduced and reduce the interference effect to adjacent electronics component.In addition, reduce the ohmic loss such as caused due to kelvin effect to the full extent, this is advantageously along with the efficiency improved and less heat release.
According to an execution mode of energy storage batteries according to the present invention, the first and second plane electrode films can form anode film or the cathode thin film of energy storage batteries.
According to another execution mode of energy storage batteries according to the present invention, recess and contact projection can have rectangular profile.Described contour shape can simply and cost-effective ground manufacture.In addition, rectangular profile shape provides the contact fragment on enough wide long limit, and planar contact element can be arranged in described contact fragment.
According to another execution mode of energy storage batteries according to the present invention, recess and contact projection can be built into the centre on the long limit of the first or second plane electrode film respectively.
According to another execution mode of energy storage batteries according to the present invention, energy storage batteries can have in addition: the first planar contact element, this first planar contact element is disposed in the extension plane perpendicular to the extension plane of the first plane electrode film, and this first planar contact element and the contact area electrical contact around recess; Second planar contact element, this second planar contact element is disposed in the extension plane perpendicular to the extension plane of the second plane electrode film, and this second planar contact element and contact projection electrical contact; And insulating barrier, this insulating barrier is disposed between the first planar contact element and the second planar contact element, and this insulating barrier is by the first planar contact element and the second planar contact element electric insulation.The low resistance of the battery pole terminal of storage battery storehouse and energy storage batteries and the connection of low inductance can be realized by this way of contact.
According to an execution mode of method according to the present invention, the method can have the step constructing insulating barrier between the first planar contact element and the second planar contact element in addition, and this insulating barrier is by the first planar contact element and the second planar contact element electric insulation.
Accompanying drawing explanation
Other feature and advantage of embodiments of the present invention are drawn by the description subsequently with reference to accompanying drawing.
Wherein:
Fig. 1 illustrates the schematic diagram of the electrode film of the power storage battery according to an embodiment of the invention;
Fig. 2 illustrates the schematic diagram of another electrode film of the power storage battery according to another embodiment of the present invention;
Fig. 3 illustrates the schematic diagram of the power storage battery according to another embodiment of the present invention;
Fig. 4 illustrates the schematic diagram of the power storage battery according to another embodiment of the present invention; And
Fig. 5 illustrates the schematic diagram of the method for the manufacture of power storage battery according to another embodiment of the present invention.
Direction term used hereinafter, namely term as "left", "right", " on ", D score, "front", "rear", " on ", " afterwards " and the like, only for understanding accompanying drawing better, and the restriction of generality should be expressed as in no instance.Identical Reference numeral ordinary representation is identical or act on identical assembly.Shown in the figure go out diagram be the diagram of the fragmentary perspective of element, necessarily proportionally draw for object clearly.Understandable, the principle sketch of assembly and element, its specific dimensioning can carry out changing and matching with corresponding application in the category that professional considers in the drawings.
Embodiment
Power storage battery comprises in the sense of the present invention and can store on a predetermined amount of time and on another time period, export again all devices of electric energy.Energy storage batteries comprises all types of secondary and primary energy memory at this in the sense of the present invention, especially electric capacity, electrochemistry (faraday) and the type of memory of combined running.The time period considered can comprise from several seconds until several hours, several days or several years at this.Power storage battery such as can comprise based on the storage battery of lead, zinc, sodium, lithium, magnesium, sulphur or other metals, element or alloy, lithium ion battery, lithium polymer battery, nickel metal hydride battery, ultracapacitor, Supercapacitors, power capacitor, BatCap or similar system.The function of the power storage battery included by the present invention can based in conjunction with the electrolytical intercalation electrode of moisture, sprotic or polymer, reaction electrode or alloy electrode at this.
In the sense of the present invention, being configured in this and not only can comprising different external structure shapes of power storage battery, such as prism shape or so-called " lachrymal sac (Pouch) " shape, and different electrode structures can be comprised, that such as reel, stacking, folding or other structures.
In the sense of the present invention, electrode film can by different conductions, the material of such as metal, the alloy as copper, aluminium, nickel, chromium, silver, gold, platinum, zinc, tin or these metals manufactures.Electrode film in the sense of the present invention, especially anode and/or cathode thin film can be coated and/or manufacture with large active surface.At this, electrode film can plane earth mutual plane configuration abreast.Electrode film can be of different sizes at this, and the thickness of such as electrode member can have the order of magnitude of several microns to several millimeters.Electrode member can folded, stacking or winding, and can to specify, structure insulation or separate layer between electrode film, it can be mutually electrically separated by electrode film, and by region that electrolytes is independent in battery container.Also can it is possible that, construct electrode film with bipolar form.The flat shape of electrode film can square, rectangle, circle, ellipse or other arbitrary shapes construct.
In the sense of the present invention, power storage module comprises following assembly, and described assembly has one or more power storage battery in the housing, and wherein power storage battery electric coupling mutually in an appropriate manner, to ensure the serial or parallel connection of energy storage batteries.Power storage module can have module terminals at this, and described module terminals can measure the output voltage relevant to the intraconnection of the power storage battery of this power storage module.
In the sense of the present invention, housing comprises all components, described component has the recess of the interconnection element of the conduction for holding one or more power storage battery and power storage battery, and described component can held energy storage batteries and elements relative in external mechanical and/or electric screen.Housing can have the combination of the subregion of electric conducting material, material that is non-conductive or only weakly conducting or such material at this, such as plastics, metal, metal alloy.The shape of housing and size can match with held energy storage batteries and element at this.
Fig. 1 illustrates the schematic diagram of the electrode film 1 of plane, and this electrode film may be used for manufacturing power storage battery 10.This electrode film 1 such as can be used as the male or female film of the storage battery storehouse of structure energy storage batteries 10.This electrode film 1 has main leaf section or storehouse fragment 2, the electro-chemical activity region of forming energy storage battery 10 in this storehouse fragment.In the example of fig. 1, this electrode film 1 profile is rectangle.In addition, long limit below has recess 2e to this electrode film 1, and this recess is surrounded by two contact fragment 2c and 2d.This recess 2e preferably can be arranged in the centre on the long limit of this electrode film 1.This recess 2e has the profile of rectangle at this.But it is clear that, other contour shapes of this recess 2e are equally also fine.The sub-fraction of the degree of depth that the degree of depth of this recess 2e preferably can take the total depth of this electrode film 1 to extend.The length of this recess 2e such as can correspond to the width of contact fragment 2c and 2d at this, namely this recess has the length of 1/3rd of the total length being about electrode film 1.But at this it is clear that, other sizes of the length of this recess 2e are equally also fine.
Fig. 2 illustrates the schematic diagram of another plane electrode film 3, and this electrode film may be used for manufacturing power storage battery 10.This electrode film 3 can be used as the male or female film to the storage battery storehouse for constructing energy storage batteries 10 that the electrode film 1 in Fig. 1 supplements.This electrode film 3 has main leaf section or storehouse fragment 4, wherein forms the electro-chemical activity region of this energy storage batteries 10.In the example of figure 2, this electrode film 3 is rectangular profile.In addition, this electrode film 3 has contact projection 4c on long limit, bottom side, and the profile of this contact projection is consistent with the profile of the recess 2e of electrode film 1.Preferably can be arranged in the middle of the long limit of this electrode film 3 at this this contact projection 4c.This contact projection 4c has the profile of rectangle at this.But it is clear that other contour shapes of this contact projection 4c are fine equally, and this contour shape is by relevant to the shape of this recess 2e.The sub-fraction of the degree of depth that the degree of depth of this contact projection 4c preferably can take the total depth of this electrode film 3 to extend.The length of this contact projection 4c such as can correspond to the width of terminal fragment 4a, 4b that this electrode film 3 shortens at this, namely this contact projection has the length of 1/3rd of the total length being approximately this electrode film 3.But at this it is clear that, other sizes of the length of this contact projection 4c are equally also fine.
Fig. 3 illustrates the schematic diagram of storage battery storehouse, and this storage battery storehouse is made up of multiple first plane electrode film 1 and multiple second plane electrode film 3.When this when not limiting its generality, the first plane electrode film is anode film 1, and the second plane electrode film is cathode thin film 3.
Anode film 1 and cathode thin film 3 are that mutual plane is parallel respectively, and with the sequence stack replaced, the long limit with recess 2e and contact projection 4c of electrode film 1 and 3 are kept flat respectively stackedly, and constructs storage battery storehouse.Anode film 1 and cathode thin film 3 such as can have the shape of rectangle, square, parallelogram, trapezoidal or bar shaped.The quantity of anode film 1 and cathode thin film 3 in figure 3 with respectively three illustrate, but its quantity is not limited in principle.Anode film 1 and the quantity of cathode thin film 3 can be advantageously respectively identical, make it possible to construct anode film 1 respectively in this storage battery storehouse and cathode thin film 3 is right.
Anode film 1 and cathode thin film 3 can pass through one deck (clearly not illustrating) separate layer to difference or insulating barrier is separated, and described separate layer or insulating barrier are arranged to plane parallel respectively in this storage battery storehouse between one of one of anode film 1 and cathode thin film 3.Anode film 1 and cathode thin film 3 can in this energy storage batteries 10 by described separate layer electric isolution mutually.Separate layer, in particular for electrolytes is become block, is therefore no more than the potential difference determined in the electrolyte in this block.Said separate layer such as can have thin layer that is nonconducting or the only material of weakly conducting.This should it is clear that, there is multiple possibility anode film 1, cathode thin film 3 and separate layer are arranged in storage battery storehouse, and the selection of arranging can depend on the electrical characteristic that will reach of used memory technology, the boundary condition relevant with the external shape of energy storage batteries 10 and/or energy storage batteries 10.Such as maybe advantageously, configuration storage battery storehouse, makes the internal capacity of energy storage batteries 10 be made full use of to greatest extent.
Fig. 4 illustrates the schematic diagram of power storage battery 10, and the first plane electrode film 1 of this power storage battery is electrically connected with the first planar contact element 5.This first planar contact element 5 can be arranged in the extension plane of the extension plane perpendicular to the first plane electrode film 1.In this this first planar contact element 5 and contact area 2c, 2d electrical contact, described contact area 2c, 2d comprise the recess 2e on the long limit of electrode film 1.In a similar fashion, the second plane electrode film 3 is electrically connected with the second planar contact element 6, and this second planar contact element 6 is arranged in the extension plane of the extension plane perpendicular to the second plane electrode film 3.This second planar contact element 6 is at this electrical contact contact projection 4c.
Can arrange insulating barrier 7 between the first planar contact element 5 and the second planar contact element 6, this insulating barrier is by the first planar contact element 5 and the second planar contact element 6 electric insulation.As schematically represented by circulation I in the diagram, flow through corresponding electrode film 1 and 3 the very close mesh of eddy current, namely by circulation I around magnetizing force face (Durchflutungsflaechen) be very little.The input inductance of energy storage batteries 10 is very little equally thus.By arranging recess 2e and contact projection 4c between two parties, the closed loop flow path I that structure two is parallel in addition, the parallel circuits of described closed loop flow path can reduce the total inductance of the synthesis of energy storage batteries further.
First and second planar contact element 5 and 6 can be electrically connected with the first and second battery pole terminals clearly do not illustrated of energy storage batteries 10 respectively.At this, battery pole terminal can be drawn from the battery container of (clearly not the illustrating) of energy storage batteries 10, so as the spacing between storage battery storehouse and battery container to be kept little as far as possible.Battery pole terminal is implemented at this, and at least one making in battery pole terminal is electric insulation relative to battery container.At the housing that this such as can use metal battery case or be made up of the insulating material of such as plastics.Energy storage batteries 10 such as can be surrounded by prismatic battery container.But it is clear that other of battery container are often planted shape and are fine equally, and described shape such as can be relevant to the size of surrounded energy storage batteries 10.
Power storage module can have the following layout of power storage battery 10, and described power storage battery intercouples into series connection or parallel circuits along its battery pole terminal.But this should it is clear that, when the energy storage batteries 10 interconnected respectively matches, other of different-energy storage battery 10 are often planted and are arranged and be fine equally for power storage module.Especially the parallel connection of energy storage batteries 10 and/or the parallel connection and serial connection circuit of series circuit or combination can be realized at this.Power storage module such as can have module housing, and on the battery pole terminal of end, from module housing, wherein draw module respectively extremely sub.The extreme son of module can be such as planar contact element, and wherein at least one contact element is electric insulation relative to this module housing.
Fig. 1 to 4 entirety only illustrates the configurations of the example of energy storage batteries 10.Can carry out changing and revising when consideration meets the design standard of object when this.Usually advantageously, the spacing between the conducting element of two polarity keeps little as far as possible, so as to make by described element around effective magnetizing power face minimum.This means, the emotional resistance of conducting element can be minimized in the inside of energy storage batteries 10.Further advantageously, configuration conducting element as far as possible in large area, even as far as possible to make electric current distribution obtain.If ideal plane, closely adjacent with the effective coverage of contact element pole contacts only be fine under specific boundary condition, such as security requirement or technical limitations, so just at least should can notice, ensure that the conducting element of opposed polarity combines with little spacing each other.Further advantageously, by the interconnection of the suitable inside modules of energy storage batteries, make the extreme quantum count of necessity of the energy storage batteries 10 with housing minimum.Reduce circuit Ohmic resistance thus, this not only particularly causes minimizing of ohmic loss again in DC operation but also in ac operation due to kelvin effect.
Shown energy storage batteries 10 such as can preferably be applied in following system, obtains high-frequency alternating current in the system from energy storage batteries 10, such as, have in the direct current transformer of battery pack higher than the control frequency of about 100Hz.In such systems, the perceptual loss caused by high a-c cycle can be minimized according to the mode of construction of energy storage batteries 10.Improve the response characteristic of energy storage batteries 10 in short time region simultaneously, this significantly improved system dynamically and reliability.
Fig. 5 illustrates the schematic diagram of the method 30 of the energy storage batteries 10 schematically illustrated for the manufacture of power storage battery 10, especially composition graphs 1 to 4.In first step 31, alternately arrange multiple first plane electrode film 1 and multiple second plane plane electrode film 3, described first plane electrode film has recess 2e respectively on a long limit, and described second plane electrode film has the contact projection 4c conformed to described recess 2e respectively on a long limit.At this, plane electrode film 1 is parallel with 3 mutual planes and be alternately stacked as storage battery storehouse, makes contact projection 4c alternately overlapping with recess 2e respectively.
In second step 32, carry out electrical contact by around contact area 2c or 2d of recess 2e and the first planar contact element 5, this first planar contact element is disposed in the extension plane perpendicular to the extension plane of the first plane electrode film 1.Then, in the third step 33 contact projection 4c and the second planar contact element 6 are carried out electrical contact, this second planar contact element is disposed in the extension plane perpendicular to the extension plane of the first plane electrode film 1.
In addition, can carry out the step 34 constructing insulating barrier 7 between the first planar contact element 5 and the second planar contact element 6 alternatively, wherein this insulating barrier 7 is by the first planar contact element 5 and the second planar contact element 6 electric insulation.
Claims (7)
1. power storage battery (10), has:
Multiple first plane electrode film (1), described first plane electrode film has recess (2e) respectively on a long limit; And
Multiple second plane electrode film (3), described second plane electrode film has the contact projection (4c) conformed to described recess (2e) respectively on a long limit,
Wherein said first plane electrode film (1) is parallel with described second plane electrode film (3) mutual plane and be alternately stacked as storage battery storehouse, and described contact projection (4c) is alternately overlapped with described recess (2e) respectively.
2. power storage battery (10) according to claim 1, wherein said first and second plane electrode films (1; 3) anode film or the cathode thin film of described energy storage batteries (10) is formed.
3., according to the power storage battery (10) one of claim 1 and 2 Suo Shu, wherein said recess (2e) and described contact projection (4c) have the profile of rectangle.
4., according to the power storage battery (10) one of claims 1 to 3 Suo Shu, wherein said recess (2e) and described contact projection (4c) are built into the described first or second plane electrode film (1 respectively; 3) centre on long limit.
5., according to the power storage battery (10) one of Claims 1-4 Suo Shu, have in addition:
First planar contact element (5), described first planar contact element is disposed in the extension plane perpendicular to the extension plane of described first plane electrode film (1), and described first planar contact element and contact area (2c, the 2d) electrical contact around described recess (2e);
Second planar contact element (6), described second planar contact element is disposed in the extension plane perpendicular to the extension plane of described second plane electrode film (3), and described second planar contact element and described contact projection (4c) electrical contact; And
Insulating barrier (7), described insulating barrier is disposed between described first planar contact element (5) and described second planar contact element (6), and described insulating barrier is by described first planar contact element (5) and described second planar contact element (6) electric insulation.
6., for the manufacture of the method (30) of power storage battery (10), there is following step:
Alternately arrange (31) multiple first plane electrode film (1) and multiple second plane electrode film (3), wherein said first plane electrode film has recess (2e) respectively on a long limit, described second plane electrode film has the contact projection (4c) conformed to described recess (2e) respectively on a long limit, wherein said first plane electrode film (1) and described second plane electrode film (3) mutual plane are alternately stacked as storage battery storehouse abreast, make described contact projection (4c) alternately overlapping with described recess (2e) respectively,
Will around the contact area (2c, 2d) of described recess (2e) and the first planar contact element (5) electrical contact (32), described first planar contact element is disposed in the extension plane perpendicular to the extension plane of described first plane electrode film (1); And
By described contact projection (4c) and the second planar contact element (6) electrical contact (33), described second planar contact element is disposed in the extension plane perpendicular to the extension plane of described first plane electrode film (1).
7. method according to claim 6 (30), has following step in addition:
Between described first planar contact element (5) and described second planar contact element (6), construct (34) insulating barrier (7), described insulating barrier is by described first planar contact element (5) and described second planar contact element (6) electric insulation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012215748.4 | 2012-09-05 | ||
| DE102012215748.4A DE102012215748A1 (en) | 2012-09-05 | 2012-09-05 | Electric energy storage cell and method for producing an electrical energy storage cell |
| PCT/EP2013/066186 WO2014037169A1 (en) | 2012-09-05 | 2013-08-01 | Electrical energy storage cell and method for producing an electrical energy storage cell |
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| CN104584275A true CN104584275A (en) | 2015-04-29 |
| CN104584275B CN104584275B (en) | 2017-09-15 |
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| Country | Link |
|---|---|
| CN (1) | CN104584275B (en) |
| DE (1) | DE102012215748A1 (en) |
| WO (1) | WO2014037169A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2574013B (en) * | 2018-05-22 | 2021-04-07 | Siemens Ag | Energy storage module |
| CN113838981B (en) * | 2021-09-15 | 2022-07-12 | 蜂巢能源科技(马鞍山)有限公司 | Photoelectric energy storage device and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003077349A1 (en) * | 2002-03-08 | 2003-09-18 | Yongming Ju | An rechargeable lithium-ion power battery and manufacture method of the same |
| CN101036250A (en) * | 2004-10-08 | 2007-09-12 | 本田技研工业株式会社 | Battery box structure, inter-locking structure of electrical equipment box, and electrical equipment box structure |
| JP2008091269A (en) * | 2006-10-04 | 2008-04-17 | Nissan Motor Co Ltd | Thin battery |
| CN102388479A (en) * | 2009-04-07 | 2012-03-21 | 锂电池科技有限公司 | Electrode geometry of a galvanic cell |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4775226B2 (en) | 2006-10-24 | 2011-09-21 | トヨタ自動車株式会社 | Method for manufacturing power storage device |
| EP2215674B1 (en) | 2007-11-30 | 2017-06-07 | A123 Systems LLC | Battery cell design with asymmetrical terminals |
| JP5537111B2 (en) | 2009-09-30 | 2014-07-02 | 株式会社東芝 | Secondary battery device |
| DE102010012934A1 (en) | 2010-03-26 | 2011-09-29 | Daimler Ag | Single cell and battery with a plurality of single cells |
| DE102010032414A1 (en) | 2010-07-27 | 2012-02-02 | Ads-Tec Gmbh | Pouch cell with arresters |
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- 2012-09-05 DE DE102012215748.4A patent/DE102012215748A1/en not_active Ceased
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003077349A1 (en) * | 2002-03-08 | 2003-09-18 | Yongming Ju | An rechargeable lithium-ion power battery and manufacture method of the same |
| CN101036250A (en) * | 2004-10-08 | 2007-09-12 | 本田技研工业株式会社 | Battery box structure, inter-locking structure of electrical equipment box, and electrical equipment box structure |
| JP2008091269A (en) * | 2006-10-04 | 2008-04-17 | Nissan Motor Co Ltd | Thin battery |
| CN102388479A (en) * | 2009-04-07 | 2012-03-21 | 锂电池科技有限公司 | Electrode geometry of a galvanic cell |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014037169A1 (en) | 2014-03-13 |
| DE102012215748A1 (en) | 2014-03-06 |
| CN104584275B (en) | 2017-09-15 |
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