CN208767406U - All-solid-state battery - Google Patents
All-solid-state battery Download PDFInfo
- Publication number
- CN208767406U CN208767406U CN201821468329.0U CN201821468329U CN208767406U CN 208767406 U CN208767406 U CN 208767406U CN 201821468329 U CN201821468329 U CN 201821468329U CN 208767406 U CN208767406 U CN 208767406U
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- Prior art keywords
- battery core
- electrode material
- material layer
- solid
- battery
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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
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- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model embodiment provides a kind of all-solid-state battery, including at least one first battery core, at least one second battery core and the adhesive layer being set between the first battery core of arbitrary neighborhood and the second battery core, the first battery core includes the negative electrode material layer for being sequentially stacked setting, electrolyte layer, positive electrode material layer and plus plate current-collecting body；Second battery core includes the positive electrode material layer for being sequentially stacked setting, electrolyte layer, negative electrode material layer and negative current collector；Between the first battery core and the second battery core of arbitrary neighborhood, the plus plate current-collecting body of the first battery core passes through an adhesive layer and the connection of the negative current collector of the second battery core by the negative electrode material layer of an adhesive layer and the connection of the positive electrode material layer of the second battery core or the first battery core.In this way, by providing the first battery core and the second battery core that can be superimposed, by one or the superposition two-by-two of any number of adjacent the first battery cores, the second battery core, required voltage, while the stable structure, simple and easy, easy to process, high production efficiency may be implemented.
Description
Technical field
The utility model relates to battery design, production technical field, in particular to a kind of all-solid-state battery.
Background technique
Relative to traditional liquid lithium battery, solid state lithium battery replaces traditional liquid organic electrolyte with solid electrolyte,
The problems such as security performance as caused by liquid electrolyte is low, cycle life is short, operating temperature range is narrow can be overcome.Solid-state electricity
Solve matter in addition to conducting lithium ions, also function as the role of diaphragm, so, ideal lithium ion solid electrolyte should have it is good from
Electron conductivity, extremely low electronic conductivity, minimum grain boundary resistance, and chemical stability is good, thermal expansion coefficient and electrode material
Match, electrochemical decomposition voltage is high.
However, existing solid-state battery structure is fixed, single battery voltage is fixed, and processing is more multiple when realizing various voltages
Miscellaneous, therefore, it is urgent to provide a kind of solid-state battery structures that can be easy to implement multiple voltage easy to process.
Utility model content
To solve existing technical problem, the utility model provides a kind of easy to process and is easy to implement multiple voltage
All-solid-state battery.
In order to achieve the above objectives, the technical solution of the utility model embodiment is achieved in that
A kind of all-solid-state battery, including at least one first battery core, at least one second battery core and it is set to arbitrary neighborhood
The first battery core and the second battery core between adhesive layer, first battery core includes the negative electrode material layer for being sequentially stacked setting, electricity
Solve matter layer, positive electrode material layer and plus plate current-collecting body；Second battery core includes the positive electrode material layer for being sequentially stacked setting, electrolyte
Layer, negative electrode material layer and negative current collector；Between the first battery core and the second battery core of arbitrary neighborhood, first battery core it is described
Plus plate current-collecting body is connected by an adhesive layer with the positive electrode material layer of second battery core or the cathode material of first battery core
The bed of material is connected by an adhesive layer with the negative current collector of second battery core.
Wherein, the adhesive layer is that the adhesives of conductive energy is formed.
Wherein, the adhesive layer includes conductive agent and binder.
Wherein, the binder includes Kynoar PVDF or styrene butadiene rubber sbr, and the conductive agent includes conductive stone
Ink or graphene.
Wherein, the negative electrode material layer, the electrolyte layer are identical with the shape and size of the positive electrode material layer, described
Negative electrode material layer, the electrolyte layer and the positive electrode material layer are sequentially stacked setting and perimeter alignment.
Wherein, the size of the plus plate current-collecting body is greater than the size of the positive electrode material layer, and the plus plate current-collecting body exceeds
The positive electrode material layer part forms anode tab, and the size of the negative current collector is greater than the size of the negative electrode material layer,
The negative current collector forms cathode tab beyond the negative electrode material layer part.
Wherein, the anode tab and the cathode tab are mutually wrong along the horizontal contour direction of the all-solid-state battery
It opens.
Wherein, the anode tab and the cathode tab are located at same along the horizontal contour direction of the all-solid-state battery
Side, and the anode tab and the cathode tab are in pair relative to the center line of the all-solid-state battery in described the same side
Claim setting.
Wherein, the anode tab and the cathode tab are located at the horizontal contour direction along the all-solid-state battery
On opposite sides.
Wherein, the anode tab and the cathode tab distinguish trapezoidal shape or strip.
All-solid-state battery provided by the utility model embodiment, including at least one first battery core, at least one second
Battery core and the adhesive layer being set between the first battery core of arbitrary neighborhood and the second battery core, first battery core include being sequentially stacked
Negative electrode material layer, electrolyte layer, positive electrode material layer and the plus plate current-collecting body of setting；Second battery core includes being sequentially stacked setting
Positive electrode material layer, electrolyte layer, negative electrode material layer and negative current collector；The first battery core and the second battery core of arbitrary neighborhood it
Between, the plus plate current-collecting body of first battery core is connected by an adhesive layer with the positive electrode material layer of second battery core, or
The negative electrode material layer of first battery core described in person is connected by an adhesive layer with the negative current collector of second battery core.Such as
This, by providing the first battery core and the second battery core that can be superimposed, by one or any number of the first adjacent battery cores, the
Required voltage, while the stable structure, simple and easy, easy to process, production efficiency may be implemented in the superposition two-by-two of two battery cores
It is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of all-solid-state battery provided by one embodiment of the application；
Fig. 2 is the structural schematic diagram of all-solid-state battery provided by another embodiment of the application；
Fig. 3 is the structural schematic diagram of all-solid-state battery provided by the another embodiment of the application；
Fig. 4 is the structural schematic diagram of anode tab and cathode tab provided by one embodiment of the application.
Specific embodiment
Technical scheme is further described in detail with reference to the accompanying drawings and specific embodiments of the specification.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in the implementation of limitation the utility model.Term as used herein
" and/or " it include any and all combinations of one or more related listed items.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
Fig. 1 and Fig. 2 are please referred to, is the structural schematic diagram of all-solid-state battery in one embodiment of the application, the all-solid-state battery
Including at least one first battery core 10, at least one second battery core 20 and the first battery core 10 and the second electricity that are set to arbitrary neighborhood
Adhesive layer 16 between core 20, first battery core 10 include being sequentially stacked the negative electrode material layer 11 of setting, electrolyte layer 12, just
Pole material layer 13 and plus plate current-collecting body 14；Second battery core 20 includes positive electrode material layer 13, the electrolyte for being sequentially stacked setting
Layer 12, negative electrode material layer 11 and negative current collector 15；Between the first battery core 10 and the second battery core 20 of arbitrary neighborhood, described first
The plus plate current-collecting body 14 of battery core 10 is connected by an adhesive layer 16 and the positive electrode material layer 13 of second battery core 20, or
The negative electrode material layer 11 of first battery core 10 passes through the negative current collector 15 of an adhesive layer 16 and second battery core 20
Connection.In this way, by providing the first battery core and the second battery core that can be superimposed, it is adjacent two-by-two by one group or any multiple groups
First battery core 10 and the second battery core 20 are connected by binder 16, by being repeated in superposition, voltage needed for may be implemented arbitrarily,
Wherein, first battery core and the second battery core can realize modularized production respectively, and all-solid-state battery is via the first battery core and
Two battery cores are stacked and are connected by adhesive layer, thus easy to process, high production efficiency, overall structure is stablized.
Here, electrolyte layer 12 is all solid state electrolyte, and solid electrolyte material can be Li7La3Zr2O12, the materials such as LGPS
Material, the density and structure having can allow more charged ion aggregations to conduct bigger electric current, and then promote battery at one end
Capacity.Therefore, same electricity, solid state battery volume will become smaller.Moreover, due to not being electrolysed in all-solid-state battery
Liquid, sealing up for safekeeping will become to be more easier, in use, also not needing additionally to increase cooling tube, electricity again on the large scale equipments such as automobile
Child control etc., has not only saved cost, moreover it is possible to effectively mitigation weight.
Wherein, the adhesives that the adhesive layer 16 can be conductive energy is formed.Referring to Fig. 3, this is all solid state
Battery includes stacked two-by-two two group of first battery core 10 and the second battery core 20.Here, the anode collection of first battery core 10
Fluid 14 passes through an adhesive layer 16 and the connection of positive electrode material layer 13 of second battery core 20 or bearing for first battery core 10
Pole material layer 11 is connected by an adhesive layer 16 and the negative current collector 15 of second battery core 20.In above-mentioned connection type
In, when realizing multiple stacking, between adjacent the first battery core 10 and the second battery core 20, plus plate current-collecting body 14 and positive electrode material layer
13 are connected by the adhesive layer 16 of conductive energy, and anode is connected in series together, negative current collector 15 and negative electrode material layer 11
It is connected by the adhesive layer 16 of conductive energy, cathode is connected in series together.
In this way, during processing, simply realizing the multiple-layer stacked of the first battery core and the second battery core, it is easy to add
Therefore work, high production efficiency, occupy little space simultaneously because its superposition only repeats in one direction.
Further, the adhesive layer 16 may include conductive agent and binder.Wherein, binder may include gathering inclined fluorine
Perhaps styrene butadiene rubber sbr conductive agent may include electrically conductive graphite or graphene to ethylene PVDF.
Further, the shape and ruler of the negative electrode material layer 11, the electrolyte layer 12 and the positive electrode material layer 13
Very little identical, the negative electrode material layer 11, the electrolyte layer 12 and the positive electrode material layer 13 are sequentially stacked setting and periphery pair
Together.
Here, the shape and size phase of the negative electrode material layer 11, the electrolyte layer 12 and the positive electrode material layer 13
It together, e.g., can be strip.The negative electrode material layer 11, the electrolyte layer 12 and the positive electrode material layer 13 are successively
Stacked setting and perimeter alignment.
In this way, it is identical by the way that negative electrode material layer, electrolyte layer and positive electrode material layer are respectively formed shape, size, mutually
Perimeter alignment when stacked, can be more convenient for processing, and can reduce the overall dimensions for being formed by all-solid-state battery.
Further, the size of the plus plate current-collecting body 14 is greater than the size of the positive electrode material layer 13, the anode collection
Fluid 14 forms anode tab 17 beyond 13 part of positive electrode material layer, and the size of the negative current collector 15 is greater than described negative
The size of pole material layer 11, the negative current collector 15 form cathode tab 18 beyond 11 part of negative electrode material layer.
Here, collector mainly rises and induces current on active material while charging, and electric discharge when will be active
The electric current of substance is exported to the effect of load.Positive electrode material layer 13 generally uses cobalt acid lithium (LCO), LiFePO4 (LFP), ternary
(NCM) etc. materials, negative electrode material layer 11 is generally using materials such as graphite, metal lithium sheets.In the present embodiment, plus plate current-collecting body 14 can
To be aluminium foil, negative current collector 15 can be copper foil.
Film is the part insulated on tab, prevents from occurring between metal tape and aluminum plastic film when its effect is cell package
Short circuit, and be bonded together when encapsulating by heating (140 DEG C or so) and aluminum plastic film hot-melting sealed and prevent leakage.One tab
Usually metal tape is clipped in the middle by two panels film and is formed.Here, the size of plus plate current-collecting body 14 is greater than positive electrode material layer 13
Size, the size of negative current collector 15 is greater than the size of negative electrode material layer 11, and anode tab 17 is by the plus plate current-collecting body 14
It is formed beyond 13 part of positive electrode material layer, cathode tab 18 exceeds the negative electrode material layer 11 by the negative current collector 15
Part is formed.
In this way, it is larger by the way that the size of plus plate current-collecting body 14 and negative current collector 15 to be arranged, it, can be in technique processing
Plus plate current-collecting body 14 and negative current collector 15 are subjected to laser with respect to positive electrode material layer 13 and the longer part of negative electrode material layer 11
Cutting form tab, thus simplify processing and it is easily operated.
Fig. 4 is please referred to, as an optional embodiment, the anode tab 17 is with the cathode tab 18 along institute
It states and is mutually staggered on the horizontal contour direction of all-solid-state battery.
Here, anode tab 17 and cathode tab 18 can realize processing with trapezoidal shape or strip to be more convenient for.It can be with
Understand, the shape of anode tab 17 and cathode tab 18 is also possible to be adjusted according to processing technology and actual demand.
Wherein, the anode tab 17 with the cathode tab 18 phase along the horizontal contour direction of the all-solid-state battery
It is mutually staggered and refers to, the plus plate current-collecting body 14 forms anode tab 17 and the cathode beyond 13 part of positive electrode material layer
Collector 15 forms the projection of cathode tab 18 beyond 11 part of negative electrode material layer and is not overlapped on the ground.I.e. complete along this
On the vertical line direction of solid state battery, anode tab 17 is not weighed in a column arrangement, cathode tab 18 in a column arrangement each other
It closes, such as by taking the cross section of the all-solid-state battery is rectangle as an example, anode tab 17 can be respectively positioned on left side, cathode tab 18 then may be used
To be respectively positioned on right side.Here, anode tab 17 is cut beyond 13 part of positive electrode material layer by laser by the plus plate current-collecting body 14
It cuts to be formed, cathode tab 18 is cut by laser beyond 11 part of negative electrode material layer by the negative current collector 15 and is formed, in this way,
In the case where multiple stacking, anode tab 17 can be made to collectively constitute anode tab group, cathode tab 18 collectively constitutes yin
Any required voltage may be implemented by controlling the quantity of the first battery core 10 and the second battery core 20 in pole tab group.
Optionally, the anode tab 17 is with the cathode tab 18 along the horizontal contour direction of the all-solid-state battery
Positioned at the same side, and the anode tab 17 and the cathode tab 18 in described the same side relative to the all-solid-state battery
Center line is symmetrical set.
Here, the anode tab 17 can be simultaneously positioned at any one of the surrounding of all-solid-state battery with cathode tab 18
Side, for example, when the anode tab 17 is located at the left side of all-solid-state battery with cathode tab 18 simultaneously, by being cut out to it
The tab formed after cutting is symmetrically distributed in the center line two sides of all-solid-state battery positioned at anode tab 17 and cathode tab 18,
It is located at position of the left side respectively close to front and rear ends of all-solid-state battery, by the way that tab is placed in ipsilateral processing, such as
This, not only to process simpler, high production efficiency, greatly simplifies battery structure, while occupied space is smaller, the energy content of battery is close
It spends bigger.
In an optional embodiment, the anode tab 17 is located at the cathode tab 18 along described complete solid
Opposite sides on the horizontal contour direction of state battery.
It to be formed since anode tab 17 is cut by the plus plate current-collecting body 14 beyond 13 part of positive electrode material layer, yin
Pole tab 18 cuts to be formed beyond 11 part of negative electrode material layer by the negative current collector 15, in the anode tab 17
When being located at the opposite sides on the horizontal contour direction of the all-solid-state battery with the cathode tab 18, do not do sharp
Light can have been formed under the premise of cutting and has been staggered, in this way, being cut by laser to form anode tab 17 or cathode tab 18
Simpler easy, smaller to the restriction of the shape of tab, production efficiency is higher.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of all-solid-state battery, which is characterized in that including at least one first battery core, at least one second battery core and be set to
Adhesive layer between the first battery core and the second battery core of arbitrary neighborhood, first battery core include the cathode material for being sequentially stacked setting
The bed of material, electrolyte layer, positive electrode material layer and plus plate current-collecting body；Second battery core includes the positive electrode for being sequentially stacked setting
Layer, electrolyte layer, negative electrode material layer and negative current collector；Between the first battery core and the second battery core of arbitrary neighborhood, described first
The plus plate current-collecting body of battery core is connected by an adhesive layer with the positive electrode material layer of second battery core or first electricity
The negative electrode material layer of core is connected by an adhesive layer with the negative current collector of second battery core.
2. all-solid-state battery as described in claim 1, which is characterized in that the adhesive layer is the bonding material of conductive energy
Material is formed.
3. all-solid-state battery as described in claim 1, which is characterized in that the adhesive layer includes conductive agent and binder.
4. all-solid-state battery as claimed in claim 3, which is characterized in that the binder include Kynoar PVDF or
Styrene butadiene rubber sbr, the conductive agent include electrically conductive graphite or graphene.
5. all-solid-state battery as described in claim 1, which is characterized in that the negative electrode material layer, the electrolyte layer and institute
The shape and size for stating positive electrode material layer are identical, and the negative electrode material layer, the electrolyte layer and the positive electrode material layer are successively
Stacked setting and perimeter alignment.
6. all-solid-state battery as described in claim 1, which is characterized in that the size of the plus plate current-collecting body is greater than the anode
The size of material layer, the plus plate current-collecting body form anode tab, the negative current collector beyond the positive electrode material layer part
Size be greater than the negative electrode material layer size, the negative current collector beyond the negative electrode material layer part formed cathode pole
Ear.
7. all-solid-state battery as claimed in claim 6, which is characterized in that the anode tab and the cathode tab are described in
It is mutually staggered on the horizontal contour direction of all-solid-state battery.
8. all-solid-state battery as claimed in claim 7, which is characterized in that the anode tab and the cathode tab are described in
It is located at the same side on the horizontal contour direction of all-solid-state battery, and the anode tab and the cathode tab are in described the same side
Center line relative to the all-solid-state battery is symmetrical set.
9. all-solid-state battery as claimed in claim 7, which is characterized in that the anode tab and the cathode tab distinguish position
Opposite sides on the horizontal contour direction along the all-solid-state battery.
10. the all-solid-state battery as described in any one of claim 6 to 9, which is characterized in that the anode tab and the yin
Pole tab distinguishes trapezoidal shape or strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468329.0U CN208767406U (en) | 2018-09-06 | 2018-09-06 | All-solid-state battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468329.0U CN208767406U (en) | 2018-09-06 | 2018-09-06 | All-solid-state battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767406U true CN208767406U (en) | 2019-04-19 |
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ID=66134448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821468329.0U Expired - Fee Related CN208767406U (en) | 2018-09-06 | 2018-09-06 | All-solid-state battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN208767406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803079A (en) * | 2021-02-04 | 2021-05-14 | 青岛九环新越新能源科技股份有限公司 | All-solid-state energy storage equipment battery cell, laminated battery cell and production method thereof |
| CN114788086A (en) * | 2019-12-11 | 2022-07-22 | 株式会社村田制作所 | Solid-state battery |
-
2018
- 2018-09-06 CN CN201821468329.0U patent/CN208767406U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788086A (en) * | 2019-12-11 | 2022-07-22 | 株式会社村田制作所 | Solid-state battery |
| CN114788086B (en) * | 2019-12-11 | 2024-06-07 | 株式会社村田制作所 | Solid-state battery |
| CN112803079A (en) * | 2021-02-04 | 2021-05-14 | 青岛九环新越新能源科技股份有限公司 | All-solid-state energy storage equipment battery cell, laminated battery cell and production method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |