CN107210453A - The design of solid state battery - Google Patents

The design of solid state battery Download PDF

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Publication number
CN107210453A
CN107210453A CN201680007091.9A CN201680007091A CN107210453A CN 107210453 A CN107210453 A CN 107210453A CN 201680007091 A CN201680007091 A CN 201680007091A CN 107210453 A CN107210453 A CN 107210453A
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China
Prior art keywords
layer
conductor
solid state
state battery
conductor layer
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CN201680007091.9A
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Chinese (zh)
Inventor
I.克卡姆
R.拉姆赛尔
M.科尔贝格尔
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/045Cells or batteries with folded plate-like electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/045Cells or batteries with folded plate-like electrodes
    • H01M10/0454Cells or batteries with electrodes of only one polarity folded
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562Solid materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0583Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565Polymeric materials, e.g. gel-type or solid-type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0065Solid electrolytes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00Primary cells; Manufacture thereof
    • H01M6/14Cells with non-aqueous electrolyte
    • H01M6/18Cells with non-aqueous electrolyte with solid electrolyte
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Secondary Cells (AREA)
  • Primary Cells (AREA)

Abstract

It is used to manufacture solid state battery the present invention relates to 1.(1), especially lithium ion solid state battery method, the solid state battery has the first conductor layer(2)With the second conductor layer(6)With at least one separating layer(4), it is stacked as by least two first conductor layers(2)With at least two second conductor layers(6)The layer of composition is stacked, wherein the first conductor layer(2)Pass through separating layer(4)With the second conductor layer(6)Separation, and wherein the first conductor layer(2)Pass through separating layer(4)The layer of separation and/or the second conductor layer(6)Pass through separating layer(4)The layer of separation is electrically coupled to each other layer by layer.According to present invention provide that, conductor layer(2、6)In at least one be made up of flexible breadth, wherein flexible breadth(7.1)It is used as pantostrat(7)It is put into layer stacking, the pantostrat(7)At least it is collectively form two the first conductor layers(2)And/or two the second conductor layers(6).

Description

The design of solid state battery
Technical field
The present invention relates to according to claim 1 it is as described in the preamble be used for manufacture solid state battery method and press According to the solid state battery as described in the preamble of claim 8.
Background technology
Not only Mobile solution but also static applications are to solid state battery at present(Feststoffzellen)Or solid state battery group (Feststoffbatterien)It is especially interested.Solid state battery or solid state battery group are also referred to as " all-solid-state battery(All- Solid-State-Batterien)”.Here, solid state battery only includes solid material and especially solid electrolyte, and phase There is advantages below, i.e. solid state battery due to using solid electrolyte for battery pack traditional, comprising liquid electrolyte High-energy-density with good safety-related characteristic and > 400Wh/Kg.
By substituting liquid electrolyte by solid electrolyte, for example, it can reduce heat and blow/burn(English:“thermal runaway(Thermal runaway)”)Risk and solid state battery namely battery pack blast, and improve battery pack security and Cyclical stability.
Generally occur however, substituting liquid electrolyte by solid electrolyte with the reduction of cathode capacities, because material, Such as LiCoO2With small lithium-ion-conducting.In addition, when being charged and discharged to solid state battery, such as solid lithium-ion electricity Pond group is had with determining by its internal structure and its action principle to be carried compared to the known lithium ion battery with liquid electrolyte High expansion or contraction.The expansion or contraction of solid Li-ion battery group can be in 10- depending on battery structure herein In 40% telescopic extensions.
In addition, the characteristic of used material, such as used solid electrolyte such as also dividing plate is so 's:The classical construction of the solid state battery of the circular or prismatic specification of the cell stacks with winding can not be realized.Solid electrolytic Matter especially can by ceramics or glass ceramic compound constitute, described ceramic or glass ceramic compound can not be in needs The construction of the deformed or bent next battery for therefore realizing circular or prismatic specification in degree.The institute in the case of classical solid state battery The dividing plate used is also only capable of conditionally carrying out deformation(verformen), wherein the dividing plate thereon for example by with gathering Polymeric layer ceramic layer composition.Therefore current only stacked battery(Laminated battery(gestackte Zellen))It is It is possible.But described stacked or accumulation battery(Typically it is also referred to as soft-package battery(Pouchzelle))Have Following shortcoming:Collector is configured in anode-side and cathode side(Such as Al films or Cu films)Each conductor layer with Soft Roll Stack Technology(Pouch-Stapeltechnik)It must be stacked layer by layer during manufacture solid state battery.Here, point of film Cut what is especially expended, because such as connection sheet(Contact pin(tab))It must be set, so as to which each conductor layer is electric each other Connection.However, Soft Roll Stack Technology has advantages below:On the one hand can realize currently can not be using consolidating that winding technique is manufactured Body battery, and on the other hand each layer is neatly stacked in planar fashion in layer stacking.
The content of the invention
Therefore, task of the invention is eliminated at least in part by shortcoming known in the art.The task of the present invention is outstanding It is especially to simplify the layering during conductor layer is stacked to layer in the case of using the advantage of Soft Roll Stack Technology.
In order to solve the task, it is proposed that whole features with claim 1, the especially feature of characteristic be used for make The method for making solid state battery, especially lithium ion solid state battery.Illustrate that the favourable of this method changes in dependent method claims Enter scheme.In addition, by with whole features of independent claims 8, the especially solid state battery of the feature of its characteristic, outstanding Its lithium ion solid state battery solves the task.
Other features of the present invention are drawn from dependent method claims, dependent device claims, specification and drawings And details.Here, the feature and details with reference to described by the method according to the present invention are naturally in conjunction with the solid-state electricity according to the present invention Pond is also suitable, and vice versa respectively so that reciprocally refer to or may be referred to all the time each invention on disclosure Aspect.
The method according to the present invention for manufacturing solid state battery, especially lithium ion solid state battery, solid state battery tool There are the first conductor layer and the second conductor layer and at least one separating layer, it is stacked as by least two first conductor layers and at least The layer of two the second conductor layer compositions is stacked, wherein separated the first conductor layer with the second conductor layer by separating layer, and its The middle layer for separating the layer separated by separating layer of the first conductor layer and/or the second conductor layer by separating layer layer by layer that This electrical connection, methods described includes following technical teaching:At least one in conductor layer is made up of flexible breadth, wherein flexible web Face as pantostrat be put into layer stack in, wherein the pantostrat be at least collectively form two the first conductor layers and/or Two the second conductor layers.
Preferably, solid state battery group or solid accumulator(Refer to rechargeable battery)It is appreciated that solid-state Battery, the solid accumulator in the case of Li-ion batteries piles using lithium layer form anode or with ceramics or It is made up of glass and or the dielectric substrate that is made up of glass ceramic compound and the negative electrode including porous carbon layer.Anode and Negative electrode is generally separated by carrier ring with electrolyte, and the carrier ring is for example including polymer-ceramic compound material (Verbundstoff).By dividing plate, improve the electric charge transfer at anode, and negative electrode is connected with electrolyte electrochemical. In addition, dividing plate is used to reduce resistance.Typically manufacture the conductor layer of anode and negative electrode by thin film, the conductor layer also by Referred to as electric conductor or anode collector or cathode current collector).This can for example be related to copper or nickel film herein on the anode side, On the cathode side, conductor layer is typically aluminium film.
It is different from known Soft Roll Stack Technology, in order to manufacture solid state battery, it is made up of and leads flexible breadth according to the present invention In body layer at least one namely or anode collector or cathode current collector and also or two collectors, the flexibility Breadth is put into layer stacking as pantostrat.Advantages below is therefrom drawn, or for the conductor layer of anode or for the moon Also or two conductor layers need not slitting puts the cutting thing to the conductor layer of pole layer by layer layer by layer as is typical During the layer entered to solid state battery is stacked, but in being stacked for the conductor layer of negative electrode and/or anode as pantostrat with forming layer Layer mode be put into layer stack in.Here, it is also advantageous that, for the electrical connection of such as two plate conductor layers, Connection sheet can be cancelled(Contact pin)Expensive composition because the layer for jointly for example forming two plate conductors layer is used as flexibility Breadth is continuously configured.Identical content certainly also for flexible breadth used in cathode layer as pantostrat in the case of It is applicable.The first conductor layer is put into layer by layer as the pantostrat being made up of flexible breadth or the second conductor layer should be also understood Conductor layer to be wound or folding into layer stacking.Therefore it is advantageously at least one in conductor layer being embodied as winding or Person folding flexible breadth or film.If plate conductor layer is for example configured to the pantostrat being made up of flexible breadth, that Plate conductor layer can when manufacturing solid state battery with Soft Roll Stack Technology by coiling(durchgewickelt)Or It is placed into or folds into layer in stacking, the plate conductor layer for example can be Cu electric conductors.Advantageously, only corresponding conductor layer (Both male or female/or difference)It must be equipped with least one or just only one electric connecting sheet(Contact pin), to be electrically connected Connect layer stacking.Thus, it is possible to significantly simplify manufacture and the structure that solid state battery or corresponding layer are stacked.
In order to simplify the stacking that the layer of each layer to solid state battery is stacked, component is advantageously acted as at least one conductor layer Pre-assembled dividing plate and alternatively pre-assembled electrolyte, the component stack solid state battery when be placed into or be involved in or fold into by In the conductor layer that flexible breadth is constituted as pantostrat.
In order to which when being avoided in the case that solid state battery is configured into Li-ion batteries piles in charging, lithium is deposited or prevented The electric discharge of solid state battery, plate conductor layer has preferably at least been configured coating paragraph by paragraph(For electric current cut-off), the anode Conductor layer can for example be configured to Cu films.Coating is also advantageously used in avoids short circuit herein.
When being put into flexible breadth, turning part is advantageously formed between the layer of conductor layer, the flexible breadth is as even Subsequent layers are layered into the layer stacking of solid state battery.Advantageously being stacked in this turning part difference embracing layer, in conductor layer two The layer being layered between individual layer.Advantageously, it is applied in this conductor layer in the region of turning part.
In order to fully avoid the cutting of the consuming for conductor layer, preferably by flexible breadth constitute two conductor layers, Namely it is used as the plate conductor layer and cathode conductor layer of anode collector or cathode current collector, the flexible breadth is as continuous Layer is placed into or wound or folds into layer stacking.
In order to for example avoid the unintentional electricity in the region of turning part between the first conductor layer and the second conductor layer Connection, plate conductor layer is placed into or wound or fold into layer stacking substantially orthogonal to ground with cathode conductor layer.Gu if State battery is for example configured to square cell stacks, then for the plate conductor being made up of as pantostrat flexible breadth Layer, turning part is disposed at the face relative with the face of a flat place of cuboid and cuboid, wherein then for another Conductor layer, turning part is formed at the face between being in.
The task of the present invention is solved again by solid state battery, especially lithium ion solid state battery, the solid state battery is especially Manufactured according to the method according to the present invention, the solid state battery has the first conductor layer and the second conductor layer and at least one point Absciss layer, its layer for being stacked as being made up of at least two first conductor layers and at least two second conductor layers is stacked, wherein first Conductor layer is separated by separating layer with the second conductor layer, and the layer separated by separating layer of wherein the first conductor layer and/or The layer separated by separating layer of second conductor layer is electrically connected to each other layer by layer.In the case of solid state battery, invention is substantially advised Fixed, at least one in conductor layer is made up of flexible breadth, wherein flexible breadth is placed in layer stacking as pantostrat, institute State pantostrat and be at least collectively form two the first conductor layers and/or two the second conductor layers.
The description of the method according to the present invention is complemented at, can be in turning part in the case of the solid state battery according to the present invention The form for sentencing intermediate tap constitutes collector.Intermediate tap for example can be used for multiple solid state batteries being connected to each other. Certainly, the collector constituted in intermediate tap form can also substitute the afflux constituted in the case of known solid state battery Body.
In order to avoid the repetition of other advantages on the solid state battery according to the present invention herein, with reference to according to the present invention Method advantageous configuration description, and comprehensively employ the description.
Brief description of the drawings
Being drawn from the subsequent description of embodiments of the invention improves the other measures of the present invention, and the embodiment is shown in figure Meaning property it is illustrated.Whole features and/or advantage from claim, specification or accompanying drawing, including structural details, space cloth Put with including method and step, can not only itself and also be essence of the invention with different combinations.Here, it is noted that Figure only has descriptive nature, and is not considered as limiting the present invention with arbitrary form.Wherein:
Fig. 1 shows a kind of embodiment of the solid state battery according to prior art;
Fig. 2 shows a kind of embodiment of the solid state battery according to the present invention,
Fig. 3 shows the fragment of the embodiment of the solid state battery according to the present invention according to Fig. 2,
Fig. 4 shows the coating of plate conductor layer, and the painting is applied coated with a method and step using active material to be carried out,
Fig. 5 shows the steering direction of the conductor layer when assembling layer stacking with schematic diagram, and
Fig. 6 shows the schematic diagram of solid state battery, and the solid state battery is with Soft Roll Stack Technology using two by flexible breadth (Bahn)The continuous conductor layer of composition is constituted.
In various figures, identical part is all the time equipped with same reference, therefore the identical part is logical Often it is only illustrated once.
Embodiment
Fig. 1 is shown by solid state battery 100 known in the art.Solid state battery 100 with Soft Roll Stack Technology with formed every Between(Kompartiment)20 mode namely by as monocell forming layer stack in the way of in multiple layers 2,3,4,5 and 6 Stack.Upper conductor layer is constructed in cathode side, and the upper conductor layer for example can be aluminium film.3 contiguous conductor of layer layer 2, it is described Layer 3 is formed by solid electrolyte.Here, layer 3 can be constituted by ceramics or by glass ceramic compound.Layer 4 abuts to form solid The layer 3 of electrolyte, the layer 4 is used to negative electrode separate anode each other as separating layer or dividing plate.Be configured to separating layer or The layer 4 of person's carrier ring is generally made up of polymer-ceramic compound material.Layer 4 is downward namely has layer 5 in anode-side, and the layer 5 is in lithium From being configured to lithium layer in the case of solid state battery.Anode collector adjoining course 5, the anode collector is in the form of conductor layer 6 It is illustrated.Anode collector or plate conductor layer 6 e.g. copper or nickel film.If layer 2 electrically connected with layer 6, then electricity Pressure 50 is for example tapped(abgegriffen)For running electric equipment.
Fig. 2 shows the fragment of the solid state battery 1 according to manufactured by the method according to the present invention.In the solid-state according to the present invention It is multiple layers of stacking in the case of battery 1, the layer corresponds to solid-state as illustrated in fig. 1 electricity in terms of being stacked on function and layering Each layer 2,3,4,5 and 6 in pond 100.However, different from by solid state battery 100 known in the art, according to the present invention's In the case of solid state battery 1, one of conductor layer 2 or 6 is constituted as pantostrat 7 by flexible breadth 7.1.Currently, anode collector, I.e. conductor layer 6 is exemplarily put into the Soft Roll being made up of multiple compartments 20 or layer stacking of solid state battery 1 as pantostrat 7 Or in cell stacks 30.As shown in the section of solid state battery 1 in fig. 2, pantostrat 7 namely flexible breadth 7.1 are bent 6 be put into as continuous conductor layer in the compartment 20 of solid state battery 1 folding shape, the compartment 20 by cell stacks 30 conductor layer 6 and layer 2,3,4,5 formation.Pantostrat 7 should also be as being understood to that pantostrat 7 arrives Soft Roll to the meander-like arrangement in cell stacks 30 Or the winding in cell stacks 30 or folding.Cathode current collector namely(As also as known in the art)Conductor layer 2 exists Cathode side cuts thing as single(Einzelzuschnitte)It is stacked on layer by layer in cell stacks 30.Here, will be in battery The single cutting thing for stacking the conductor layer 2 being layered in 30 is electrically connected to each other respectively via electrical connecting element 8, such as conducting bridge.Currently, Electrical connecting element 8 is additionally used in the outside extracted current of cathode side.And the layer 6 formed by pantostrat 7 is continuously electrically connected each other Connect.In the case of pantostrat 7 is put into meander-like, herein by stack or compartment in the way of and preferably intermittently when Front left and right is alternately(As shown in Figure 2)Vergence portion(Umlenkungen)9.In order to avoid short circuit or be The lithium deposition when to 1 charge or discharge of solid state battery is hindered, with 10 pairs of compositions of coating preferably in the region of turning part 9 It is coated for the flexible breadth 7.1 of pantostrat 7.Coating 10 is currently configured at the inside radius of turning part 9 on pantostrat. It is 6 different that plate conductor layer is constituted from modification shown in figure 2 here namely by flexible breadth 7.1 as pantostrat 7, as Another modification, the cathode conductor layer 2 being made up of flexible breadth 7.1 as pantostrat 7 can also be put into or wind to meander-like Or fold into cell stacks 30.
Fig. 3 shows the uppermost compartment 20 of Fig. 2 cell stacks 30 with detailed view.Such as figure 3 illustrates compartment 20 construction is identical with the construction by solid state battery 100 known in the art, and the solid state battery 100 is current via conductor layer It is fabricated 2 speculars.However, plate conductor layer 6 is current by being constructed as the flexible breadth 7.1 of pantostrat 7, wherein here By the way that flexible breadth 7.1 is placed in shown here compartment 20 as the meander-like of pantostrat 7 in detailed view, first The conductor layer 6.1 of conductor layer 6.1 and second is electrically connected to each other via turning part 9.Here, turning part 9 surrounds two layers 5, two layers 4th, two layers 3 and a conductor layer 2, and utilize the layer 2 formation compartment 20.The layer 2,3,4 and 5 referred to before can be favourable Ground is configured to prefabricated component in installation process, when the component lays pantostrat 7 in meander-like or winding or It is put into during folded flexible breadth 7.1 as common assemblies in the flexible breadth 7.1 for being configured to pantostrat 7.
Fig. 4 shows the alternative construction of the solid state battery 1 according to the present invention, wherein with layer between conductor layer 2 or 6 All layers 3,4,5 that mode is stacked intermittently are built as the sub- compartment 20.1 in one of conductor layer 2 or 6, the conductor Layer one of 2 or 6 is made up of flexible breadth 7.1.If advantageously built for example in conductor layer 6 in conductor layer either above or below Layer 3,4 and 5 is used as sub- compartment 20.1, then can be by upward, downward and upward again to ground(As shown in fig. 5 Like that)The continuous conductor layer 6 for being configured to the conductor layer 6 of flexible breadth 7.1, there is the layer 3,4 and 5 built thereon is folded, The cell stacks 30 of solid state battery 1 are manufactured in the case of being put into the second conductor layer 2 at the same time by stacked each sub- compartment 20.1. Alternatively, the layer 3,4 and 5 of sub- compartment 20.1 can be configured to simultaneously when structure layer 3,4 and 5 in one of conductor layer 6 or 2 Between, intermittently between sub- compartment 20.1 apply coating 10, the coating 10 is preferably in the region of turning part 9 by structure Into in conductor layer 2 or conductor layer 6.Currently, coating 10 is configured in the both sides of conductor layer 2 or conductor layer 6.
Fig. 6 shows the schematic diagram of solid state battery 1, and the solid state battery 1 is utilized by flexible web with Soft Roll Stack Technology Two conductor layers 2 and 6 that face 7.1 is constituted as pantostrat 7 are constructed.Here, pantostrat 7(The pantostrat 7 is conductor layer 2)'s Turning part 9 is put into cell stacks orthogonally with respect to one another with the turning part 9 formed by the pantostrat 7 of conductor layer 6.Currently, leading The form that intermediate tap 11 is sentenced in the turning part 9 of body layer 2 and 6 constitutes collector, and the intermediate tap 11 is for example for inciting somebody to action Multiple cell stacks 30 are connected to each other, or the intermediate tap 11 is used to solid state battery 1 being connected to customer.

Claims (10)

1. for manufacturing solid state battery(1), especially lithium ion solid state battery method, the solid state battery has the first conductor layer (2)With the second conductor layer(6)With at least one separating layer(4), it is stacked as by least two first conductor layers(2)At least Two the second conductor layers(6)The layer of composition is stacked, wherein first conductor layer(2)Pass through the separating layer(4)With described Two conductor layers(6)Separation, and wherein described first conductor layer(2)Pass through the separating layer(4)The layer of separation and/or described Second conductor layer(6)Pass through the separating layer(4)The layer of separation is electrically coupled to each other layer by layer, it is characterised in that
The conductor layer(2、6)In at least one by flexible breadth(7.1)Constitute, wherein the flexible web face(7.1)As Pantostrat(7)It is put into the layer stacking, the pantostrat(7)At least it is collectively form described two first conductor layers (2)And/or described two second conductor layers(6).
2. in accordance with the method for claim 1, it is characterised in that
First conductor layer is given as component(2)And/or second conductor layer(6)Separating layer described in pre-assembled(4), wherein The component is put into the flexible breadth when installing the layer stacking(7.1)In.
3. according to the method described in claim 1 or 2, it is characterised in that
The flexible breadth(7.1)Coating has at least been configured paragraph by paragraph before being put into during the layer is stacked(10).
4. according to the method described in one of the claims, it is characterised in that
The flexible breadth(7.1)In at least two first conductor layer(2)And/or described two second conductor layers(6)It Between be diverted so that in described two first conductor layers(2)And/or described two second conductor layers(6)Between form turning part (9), wherein the layer stack be arranged in described two first conductor layers(2)And/or described two second conductor layers(6)Between Layer(3、4、5、6)Or(2、3、4、5)At least paragraph by paragraph by each turning part(9)Surround.
5. according to the method described in one of the claims, it is characterised in that
The flexible breadth(7.1)It is used as anode and/or negative electrode.
6. according to the method described in one of the claims, it is characterised in that
First conductor layer(2)With second conductor layer(6)Respectively by flexible breadth(7.1)Constitute, the flexible breadth (7.1)In anode-side and in cathode side formation pantostrat(7), two of which conductor layer(2、6)It is put into the layer stacking.
7. in accordance with the method for claim 7, it is characterised in that
First conductor layer(2)Substantially with second conductor layer(6)Orthogonally it is put into the layer stacking.
8. solid state battery(1), especially lithium ion solid state battery, the solid state battery is in particular according to according to described in claim 1 to 7 Method manufactured, institute's solid state battery have the first conductor layer(2)With the second conductor layer(6)With at least one separating layer(4), its It is stacked as by least two first conductor layers(2)With at least two second conductor layers(6)The layer of composition is stacked, wherein described the One layer of stacking(2)Pass through the separating layer(4)With second conductor layer(6)Separation, and wherein described first conductor layer(2) Pass through the separating layer(4)The layer of separation and/or second conductor layer(6)Pass through the separating layer(4)The layer of separation It is electrically coupled to each other layer by layer, it is characterised in that
The conductor layer(2、6)In at least one by flexible breadth(7.1)Constitute, wherein the flexible web face(7.1)As Pantostrat(7)It is put into the layer stacking, the pantostrat(7)At least it is collectively form described two first conductor layers (2)And/or described two second conductor layers(6).
9. according to the solid state battery described in claim 8(1), it is characterised in that
The flexible breadth(7.1)In at least two first conductor layer(2)And/or described two second conductor layers(6)It Between be configured to turning part(9), wherein the flexible web face(7.1)Especially in the turning part(9)Region in be configured Coating(10), and wherein described turning part(9)Being arranged in of at least surrounding that the layer stacks paragraph by paragraph described two first is led Body layer(2)And/or described two second conductor layers(6)Between layer(3、4、5、6)Or(2、3、4、5).
10. according to the solid state battery described in claim 8 or 9, it is characterised in that
In the turning part(9)Sentence intermediate tap(11)Form constitute collector.
CN201680007091.9A 2015-01-26 2016-01-12 The design of solid state battery Pending CN107210453A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015201281.6 2015-01-26
DE102015201281.6A DE102015201281A1 (en) 2015-01-26 2015-01-26 Design for solid cells
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