CN208690429U - The electrode tinkertoy module and electrochemical appliance of electrochemical appliance - Google Patents
The electrode tinkertoy module and electrochemical appliance of electrochemical appliance Download PDFInfo
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- CN208690429U CN208690429U CN201721917466.3U CN201721917466U CN208690429U CN 208690429 U CN208690429 U CN 208690429U CN 201721917466 U CN201721917466 U CN 201721917466U CN 208690429 U CN208690429 U CN 208690429U
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- electrochemical appliance
- laminated section
- isolation film
- pole piece
- tinkertoy module
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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 utility model provides the electrode tinkertoy module and electrochemical appliance of a kind of electrochemical appliance, the electrode tinkertoy module of electrochemical appliance includes: first cascade portion and the second laminated section, the first cascade portion and the laminated section are stacked, the first cascade portion is stacked by multiple first layer stacked groups and is constituted, the first layer stacked group by stacked above one another isolation film, first pole piece, the four-layer structure of isolation film and the second pole piece or be stacked by the four-layer structure is constituted, second laminated section by stacked above one another isolation film, the three-decker of first pole piece and isolation film is constituted.Cooperated as a result, by first cascade portion and the second laminated section, can be well that first cascade portion and the second laminated section is stacked together, the anti-vibration and shock proof ability of battery can be improved, so as to enhance the usage safety performance of battery.
Description
Technical field
The utility model relates to battery technology field, in particular to the electrode tinkertoy module and tool of a kind of electrochemical appliance
There is the electrochemical appliance of the electrode tinkertoy module of the electrochemical appliance.
Background technique
The advantages that lithium ion battery has specific energy high, and the service life is long, safety, environmentally friendly has been widely used in notebook electricity
The fields such as brain, mobile phone, digital camera, electric car, energy storage.With the continuous development of the demands such as computer, mobile phone, electric car,
It is required that battery has higher energy density.
Currently, the method for making electric core of lithium ion battery mainly has two kinds of winding and stacking.Cylindrical and rectangular lithium from
Sub- battery generallys use winding method, and stack manner on the rectangular cell of part mainly in soft-package battery production using and making
With.In space utilization rate, stack battery core has higher utilization rate than takeup type battery core, therefore can obtain higher energy
Metric density.
Winding be by positive plate, isolation film, negative electrode tab alignment after, it is co-wound together.Its pole piece quantity is few, efficiency
Height, winding speed can reach tens ppm (Pages per minute- production quantity).But takeup type battery core is in charge and discharge process
In there are unbalance stress, battery core easily deforms, and causes battery performance to deteriorate, or even security risk occur.In addition, takeup type is electric
The pole piece leaf length of core is longer, and the quantity that tab is drawn is few, therefore the internal resistance of takeup type battery core is higher.
Stacking is to be alternately stacked multi-disc positive plate, isolation film, negative electrode tab together, and lamination process mostly uses greatly at present
" Z " lamination process, battery is directly packaged into shell after lamination, and battery directly encapsulates after traditional lamination, and such battery is using
It can misplace between inner layers in the process, cell safety is impacted.
Utility model content
In view of this, the utility model is directed to a kind of electrode tinkertoy module of electrochemical appliance, to solve battery
The problem of usage safety performance difference.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of electrode tinkertoy module of electrochemical appliance characterized by comprising first cascade portion and the second laminated section,
The first cascade portion and second laminated section are stacked, and the first cascade portion is stacked by multiple first layer stacked groups
Constitute, the first layer stacked group by the isolation film of stacked above one another, the first pole piece, isolation film and the second pole piece four-layer structure or by
The four-layer structure, which is stacked, to be constituted, second laminated section by stacked above one another isolation film, the first pole piece and isolation film
Three-decker constituted.
Further, second laminated section and first cascade portion bonding connection.
Further, successively bonding connection between each layer in the first cascade portion, each layer of second laminated section it
Between successively bonding connection.
Further, the first cascade portion and two surfaces of the isolation film in second laminated section are respectively provided with
There is hot melt adhesive.
Further, the area of the isolation film and the isolation film in second laminated section in the first cascade portion
Area it is identical.
Further, the adjacent isolation film is disconnected from each other and is arranged in parallel.
Further, the first cascade portion is more than 20 groups.
Further, first pole piece is positive plate, and second pole piece is negative electrode tab.
Further, first pole piece is negative electrode tab, and second pole piece is positive plate.
Compared with the existing technology, the electrode tinkertoy module of electrochemical appliance described in the utility model has the advantage that
Cooperated as a result, by first cascade portion and the second laminated section, first cascade portion and second can be laminated well
Portion is stacked together, the anti-vibration and shock proof ability of battery can be improved, so as to enhance the safety in utilization of battery
Energy.
The another object of the utility model is to propose a kind of electrochemical appliance.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of electrochemical appliance, the electrode tinkertoy module including the electrochemical appliance.
The electrode tinkertoy module of the electrochemical appliance and above-mentioned electrochemical appliance is possessed excellent compared with the existing technology
Gesture is identical, and details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the schematic diagram of the first layer stacked group of electrode tinkertoy module described in the utility model embodiment；
Fig. 2 is the schematic diagram of the second laminated section of electrode tinkertoy module described in the utility model embodiment；
Fig. 3 is that the first cascade portion of electrode tinkertoy module described in the utility model embodiment and the second laminated section overlay
Schematic diagram together；
Fig. 4 is the schematic diagram of electrode tinkertoy module described in the utility model embodiment；
Fig. 5 is the schematic diagram of the battery after the completion of the electrode tinkertoy module hot pressing as described in the utility model embodiment.
Description of symbols:
Electrode tinkertoy module 10；
First cascade portion 1；First layer stacked group 11；Isolation film 112；First pole piece 113；Second pole piece 114；
Second laminated section 2.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The electricity of the electrochemical appliance for embodiment that the utility model will be described in detail below with reference to the accompanying drawings and embodiments
Pole tinkertoy module 10.
It as Figure 1-Figure 5, include: 1 He of first cascade portion according to the electrode tinkertoy module 10 of the utility model embodiment
Second laminated section 2, first cascade portion 1 and the second laminated section 2 are stacked, and the second laminated section 2 is located at the end in first cascade portion 1
Portion, it should be noted that as shown in figure 3, the second laminated section 2 can be located at the lower end in first cascade portion 1.
Wherein, first cascade portion 1 is stacked by multiple first layer stacked groups 11 and is constituted, it should be noted that multiple first
About 11 stacking group is successively stacked together and can form first cascade portion 1.
In addition, first layer stacked group 11 is by the isolation film 112 of stacked above one another, the first pole piece 113, isolation film 112 and the second pole
The four-layer structure of piece 114 is stacked together composition, or is stacked and is constituted by four-layer structure, and the second laminated section 2 is by sequentially
The three-decker of the isolation film 112 of stacking, the first pole piece 113 and isolation film 112 is constituted, that is to say, that isolation film 112,
One pole piece 113 and isolation film 112, which are stacked together, just constitutes the second laminated section 2.
Specifically, when carrying out stacking first cascade portion 1 and the second laminated section 2, first second laminated section 2 is overlayed
Then lowest level successively overlays multiple first layer stacked groups 11 on second laminated section 2 again, it is understood that be electrode stacking
Component 10 have second laminated section 2, and second laminated section 2 is arranged in lowest level, the upper surface of second laminated section 2 be according to
The secondary first layer stacked group 11 being stacked together successively stacks according to this sequence, after the completion of stacking, just completes electrode tinkertoy module
10 stack work.
Then the entirety in first cascade portion 1 and the second laminated section 2 is preheated, after the completion of preheating, then to first cascade
Portion 1 and the whole of the second laminated section 2 carry out hot pressing, and such setting can be first cascade portion 1 and the fine stratum of the second laminated section 2
It stacks, the structure of first cascade portion 1 and the second laminated section 2 can be made more compact, so as to improve electrode layer stacked group
The anti-vibration of part 10 and shock proof ability, and then the usage safety performance of electrode tinkertoy module 10 can be enhanced.
Cooperated as a result, by first cascade portion 1 and the second laminated section 2, it can be well first cascade portion 1 and the second layer
Folded portion 2 is stacked together, the anti-vibration and shock proof ability of electrode tinkertoy module 10 can be improved, so as to enhance electrode
The usage safety performance of tinkertoy module 10.
Optionally, by after the completion of 2 hot pressing of first cascade portion 1 and the second laminated section, the second laminated section 2 and first cascade portion
Together, first cascade portion 1 and the second laminated section 2 can be firmly coupled to each other 1 bonding connection by such setting, can be to prevent
Only the first cascade portion 1 inside electrode tinkertoy module 10 and the second laminated section 2 are there is a phenomenon where misplacing, so as to further increase
The usage safety performance of forceful electric power pole tinkertoy module 10, and then can guarantee vehicle safety, reliable traveling.
Further, successively bonding connection between each layer in first cascade portion 1, between each layer of the second laminated section 2 successively
Bonding connection, it should be noted that between first layer stacked group 11 and first layer stacked group 11 and the pole piece of first layer stacked group 11 with every
From successively bonding connection between film 112, successively bonding connection between the pole piece and isolation film 112 of the second laminated section 2 is arranged such
First layer stacked group 11 and the pole piece in first layer stacked group 11 and first layer stacked group 11 can be us shown firmly attached to isolation film 112
Together, the pole piece inside electrode tinkertoy module 10 can be prevented with isolation film 112 there is a phenomenon where misplacing, so as to further
Enhance the usage safety performance of electrode tinkertoy module 10, and then may further ensure that vehicle safety, reliable traveling.
Specifically, first cascade portion 1 and two surfaces of the isolation film 112 in the second laminated section 2 are provided with hot melt adhesive,
When preheating to first cascade portion 1 and the second laminated section 2, hot melt adhesive can melt, by the effect of hot melt adhesive, will every
Pole piece from about 112 two sides of film is bonded on isolation film 112, wherein the viscosity of hot melt adhesive is good, pole piece is glued can well
It connects on isolation film 112, can prevent pole piece from falling off from isolation film 112, so as to promote first cascade portion 1 and the second layer
The structural strength in folded portion 2.
Optionally, the area of isolation film is identical as the area of isolation film in the second laminated section 2 in first cascade portion 1, so
The structural integrity for being able to ascend first cascade portion 1 and the second laminated section 2 is set.
Further, adjacent isolation film 112 is disconnected from each other setting, and all isolation films 112 are disposed in parallel relation to one another,
The structural integrity for being able to ascend electrode tinkertoy module 10 is arranged such, also, can also save the materials'use of isolation film 112
Amount, can save the manufacturing cost of electrode tinkertoy module 10, can also mitigate the quality of electrode tinkertoy module 10.
Specifically, first cascade portion 1 is more than 20 groups, that is to say, that the first layer stacked group 11 that first cascade portion 1 includes
Quantity be more than or equal to 20 groups, such as: the quantity that first layer stacked group 11 is stacked together can be 40 groups, such setting can
So that electrode tinkertoy module 10 is stored more electric energy, the service performance of electrode tinkertoy module 10 can be promoted.
Optionally, the first pole piece 113 can be positive plate, and the second pole piece 114 can be negative electrode tab, the first pole piece 113
It can be negative electrode tab, the second pole piece 114 or positive plate, it should be noted that if the first pole piece 113 is positive plate,
So the second pole piece 114 just should be negative electrode tab, if the first pole piece 113 is negative electrode tab, the second pole piece 114 just should be
Positive plate.
According to the electrochemical appliance of the utility model embodiment, the electrode tinkertoy module 10 including above-described embodiment, the electricity
The anti-vibration and shock proof ability of electrochemical appliance can be improved in pole tinkertoy module 10, so as to enhance electrochemical appliance
Usage safety performance.Electrochemical appliance is battery, or capacitor.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of electrode tinkertoy module (10) of electrochemical appliance characterized by comprising first cascade portion (1) and the second layer
Folded portion (2), the first cascade portion (1) and second laminated section (2) are stacked, and the first cascade portion (1) is by multiple
First layer stacked group (11) is stacked composition, the first layer stacked group (11) by stacked above one another isolation film (112), the first pole piece
(113), the four-layer structure of isolation film (112) and the second pole piece (114) is constituted, and second laminated section (2) is by stacked above one another
Isolation film (112), the first pole piece (113) and isolation film (112) three-decker constituted.
2. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that second stacking
Portion (2) and first cascade portion (1) bonding connection.
3. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1 or 2, which is characterized in that described first
Successively bonding connection between each layer of laminated section (1), successively bonding connection between each layer of second laminated section (2).
4. the electrode tinkertoy module (10) of electrochemical appliance according to claim 3, which is characterized in that the first cascade
Two surfaces of the isolation film (112) in portion (1) and second laminated section (2) are provided with hot melt adhesive.
5. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that the first cascade
The area of the isolation film (112) is identical as the area of the isolation film (112) in second laminated section (2) in portion (1).
6. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that it is adjacent it is described every
It is disconnected from each other and is arranged in parallel from film (112).
7. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that the first cascade
Portion (1) is more than 20 groups.
8. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that first pole piece
It (113) is positive plate, second pole piece (114) is negative electrode tab.
9. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that first pole piece
It (113) is negative electrode tab, second pole piece (114) is positive plate.
10. a kind of electrochemical appliance, which is characterized in that including electrochemical appliance according to claim 1 to 9
Electrode tinkertoy module (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917466.3U CN208690429U (en) | 2017-12-29 | 2017-12-29 | The electrode tinkertoy module and electrochemical appliance of electrochemical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917466.3U CN208690429U (en) | 2017-12-29 | 2017-12-29 | The electrode tinkertoy module and electrochemical appliance of electrochemical appliance |
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| Publication Number | Publication Date |
|---|---|
| CN208690429U true CN208690429U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721917466.3U Active CN208690429U (en) | 2017-12-29 | 2017-12-29 | The electrode tinkertoy module and electrochemical appliance of electrochemical appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364766A (en) * | 2019-07-16 | 2019-10-22 | 蜂巢能源科技有限公司 | It is die cut lamination system and method |
-
2017
- 2017-12-29 CN CN201721917466.3U patent/CN208690429U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364766A (en) * | 2019-07-16 | 2019-10-22 | 蜂巢能源科技有限公司 | It is die cut lamination system and method |
| CN110364766B (en) * | 2019-07-16 | 2022-06-21 | 蜂巢能源科技有限公司 | Die cutting lamination system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee before: SVOLT Energy Technology Co.,Ltd. |