CN208062197U - 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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- CN208062197U CN208062197U CN201721919028.0U CN201721919028U CN208062197U CN 208062197 U CN208062197 U CN 208062197U CN 201721919028 U CN201721919028 U CN 201721919028U CN 208062197 U CN208062197 U CN 208062197U
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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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Abstract
The utility model provides a kind of the electrode tinkertoy module and electrochemical appliance of electrochemical appliance, and electrode tinkertoy module includes：First cascade portion and the second laminated section, second stacking portion is located at the end in first cascade portion, first cascade portion is by first layer stacked group and second layer stacked group is alternately laminated constitutes, first layer stacked group and second layer stacked group are constituted by pole piece and isolation film are alternately laminated, pole piece quantity in first layer stacked group and second layer stacked group is the odd number more than or equal to three, and the adjacent pole piece in first layer stacked group and second layer stacked group is opposite polarity first pole piece and the second pole piece.Thus, coordinated 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 of battery and shock proof ability can be improved, so as to enhance the usage safety performance of battery, the manufacture efficiency of electrode tinkertoy module can also be accelerated.
Description
Technical field
The utility model is related to battery technology field, more particularly 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 technology
Lithium ion battery have, long lifespan higher than energy, safety, it is environmentally friendly the advantages that, be widely used in notebook electricity
The fields such as brain, mobile phone, digital camera, electric vehicle, energy storage.With the continuous development of the demands such as computer, mobile phone, electric vehicle,
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 generally uses winding method, and stack manner on the rectangular cell of part mainly in soft-package battery production using and making
With.In space availability ratio, 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 plate 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 quantities).But takeup type battery core is in charge and discharge process
In there are unbalance stress, battery core easily to deform, cause battery performance to deteriorate, or even security risk occur.In addition, takeup type is electric
The electrode leaf length of core is longer, and the quantity that lug 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 plate 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 realized in：
A kind of electrode tinkertoy module of electrochemical appliance, which is characterized in that including：First cascade portion and the second laminated section,
Second stacking portion is located at the end in the first cascade portion, and the first cascade portion is by first layer stacked group and second layer stacked group
Alternately laminated composition, the first layer stacked group and the second layer stacked group are constituted by pole piece and isolation film are alternately laminated, described
Pole piece quantity in first layer stacked group and the second layer stacked group is the odd number more than or equal to three, the first layer stacked group and
Adjacent pole piece in the second layer stacked group is opposite polarity first pole piece and the second pole piece, and the first layer stacked group is according to institute
The sequence for stating the first pole piece and second pole piece stacks gradually, and the second layer stacked group is according to second pole piece and described
The sequence of one pole piece stacks gradually, and the first cascade portion has end pole piece, when the end pole piece is first pole piece,
Second laminated section includes the three-decker of the isolation film of stacked above one another, the second pole piece and isolation film；The end pole piece is
When second pole piece, second laminated section includes the three-decker of the isolation film of stacked above one another, the first pole piece and isolation film.
Further, second laminated section and first cascade portion bonding connection, the first layer stacked group and described
Second layer stacked group bonding connection.
Further, bonding connection successively between the pole piece and isolation film of the first layer stacked group, the second layer stacked group
Pole piece and isolation film between bonding connection successively, bonding connection successively between the pole piece and isolation film of second laminated section.
Further, two surfaces of the first layer stacked group and the isolation film in the second layer stacked group are respectively provided with
There is hot melt adhesive.
Further, two surfaces of the isolation film of second laminated section are both provided with hot melt adhesive.
Further, the adjacent isolation film is disconnected from each other and is arranged in parallel.
Further, the first layer stacked group and the second layer stacked group are more than ten groups.
Further, first pole piece is positive plate, and second pole piece is negative plate.
Further, first pole piece is negative plate, 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：
Coordinated 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, can improve the anti-vibration of battery and shock proof ability, 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 realized in：
A kind of electrochemical appliance includes the electrode tinkertoy module of 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.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.?
In attached drawing：
Fig. 1 is the schematic diagram of the second layer stacked group of the electrode tinkertoy module described in the utility model embodiment；
Fig. 2 is the schematic diagram of the first layer stacked group of the electrode tinkertoy module described in the utility model embodiment；
Fig. 3 is the schematic diagram of the second laminated section of the electrode tinkertoy module described in the utility model embodiment；
Fig. 4 is that multiple first cascade portions of the electrode tinkertoy module described in the utility model embodiment and one second are laminated
The schematic diagram that portion stacks；
Fig. 5 is the schematic diagram of the electrode tinkertoy module described in the utility model embodiment；
Fig. 6 is by the schematic diagram after the completion of the electrode tinkertoy module hot pressing described in the utility model embodiment.
Reference sign：
Electrode tinkertoy module 10；
First cascade portion 1；
First layer stacked group 11；Pole piece 111；Isolation film 112；First pole piece 113；Second pole piece 114；
Second layer stacked group 12；End pole piece 13；
Second laminated section 2.
Specific implementation mode
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.
As shown in figs 1 to 6, include according to the electrode tinkertoy module 10 of the utility model embodiment：1 He of first cascade portion
Second laminated section 2, the second laminated section 2 are located at the end in first cascade portion 1, it should be noted that as shown in figure 4, the second stacking
Portion 2 can be located at the upper end in first cascade portion 1, and certainly, the second laminated section 2 may be located on the lower end in first cascade portion 1.
Wherein, as shown in Figure 1, Figure 2 and Figure 4, first cascade portion 1 is by 12 alternating layer of first layer stacked group 11 and second layer stacked group
It is folded to constitute, it is to be understood that on direction from bottom to top, first layer stacked group 11, second layer stacked group 12, first layer stacked group
11, second layer stacked group 12, first layer stacked group 11, second layer stacked group 12 recycle stacked together successively, it is understood that be, it is advanced
Row first layer stacked group 11 stacks, and then carries out stacking for second layer stacked group 12 in the upper surface of first layer stacked group 11, in this order
Cycle stack just complete first cascade portion 1 stack work.
In addition, first layer stacked group 11 and second layer stacked group 12 are by pole piece 111 and isolation film 112 is alternately laminated constitutes, need
It is noted that stack one layer of pole piece 111 stacks one layer of isolation film 112 on pole piece 111 with that, or stack one layer of isolation
Film 112 stacks one layer of pole piece 111 on isolation film 112 with that, and first layer stacked group can be formed by being stacked with this sequence cycle
11 and second layer stacked group 12.
111 quantity of pole piece in first layer stacked group 11 and second layer stacked group 12 is the odd number more than or equal to three, also
It is to say, 111 quantity of pole piece in first layer stacked group 11 and second layer stacked group 12 is odd number, also, first layer stacked group 11 and the
111 quantity of pole piece in two stacking groups 12 is the consecutive roots in first layer stacked group 11 and second layer stacked group 12 more than or equal to three
Piece 111 is 113 and second pole piece 114 of opposite polarity first pole piece, and the first adjacent pole piece 113 and the second pole piece 114 pass through
Isolation film 112 separates, and such setting can ensure that electrode tinkertoy module 10 is charged normal and discharged, it is ensured that electrode layer stacked group
The functional reliability of part 10.
Optionally, as depicted in figs. 1 and 2, first layer stacked group 11 according to the first pole piece 113 and the second pole piece 114 sequence
It stacks gradually, second layer stacked group 12 is stacked gradually according to the sequence of the second pole piece 114 and the first pole piece 113, when second layer stacked group
12 when overlaying in first layer stacked group 11, and the layer that can make first layer stacked group 11 and 12 touching position of second layer stacked group is arranged such
Folded sequence is the lamination order of the first pole piece 113, isolation film 112, the second pole piece 114, it is ensured that 10 energy of electrode tinkertoy module
Enough normal works.
In addition, first cascade portion 1 has end pole piece 13, and when end pole piece 13 is the first pole piece 113, the second laminated section
2 include the three-decker of the isolation film 112 of stacked above one another, the second pole piece 114 and isolation film 112, when end pole piece 13 is second
When pole piece 114, the second laminated section 2 includes the three-layered node of the isolation film 112 of stacked above one another, the first pole piece 113 and isolation film 112
Structure, be arranged such can ensure the lamination order in the second laminated section 2 and 13 touching position of end pole piece be the first pole piece 113,
The lamination order of isolation film 112, the second pole piece 114, or the stacking for the second pole piece 114, isolation film 112, the first pole piece 113
Sequentially, it may further ensure that electrode tinkertoy module 10 can work normally.
Specifically, when carrying out stacking first cascade portion 1 and the second laminated section 2, first a first layer stacked group 11 is stacked
In lowest level, then a second layer stacked group 12 is overlayed in first layer stacked group 11 again, then first layer stacked group 11 is folded again
It is placed in second layer stacked group 12, is stacked successively according to this sequence, when top layer is second layer stacked group 12, in second layer stacked group 12
On stacking second laminated section 2, after the completion of stacking, just complete electrode tinkertoy module 10 stacks work.Using such
Overlapped way can make electrode layer stacked group 10 manufacture efficiencies of part higher.
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 2 fine stratum of first cascade portion 1 and the second laminated section
It stacks, the structure of first cascade portion 1 and the second laminated section 2 can be made compacter, 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.
Coordinated 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 of electrode tinkertoy module 10 and shock proof ability 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, also together with first layer stacked group 11 and 12 bonding connection of second layer stacked group, such setting can be by for 1 bonding connection
One laminated section 1 is firmly coupled to each other with the second laminated section 2 and first layer stacked group 11 with second layer stacked group 12, can prevent electricity
With second layer stacked group 12 mistake occurs for first cascade portion 1 and the second laminated section 2 and first layer stacked group 11 inside pole tinkertoy module 10
Position the phenomenon that, so as to further enhance the usage safety performance of electrode tinkertoy module 10, so can ensure vehicle safety,
Reliable traveling.
Further, bonding connection successively between the pole piece 111 and isolation film 112 of first layer stacked group 11, second layer stacked group
Bonding connection successively between 12 pole piece 111 and isolation film 112, between the pole piece 111 and isolation film 112 of the second laminated section 2 according to
Secondary bonding connection, be arranged such can by first layer stacked group 11 and second layer stacked group 12 pole piece 111 and isolation film 112 consolidate
Ground links together, and can prevent the pole piece 111 inside electrode tinkertoy module 10 with isolation film 112 there is a phenomenon where misplacing, from
And the usage safety performance of electrode tinkertoy module 10 can be further enhanced, and then may further ensure that vehicle safety, reliable
Traveling.
Specifically, two surfaces of the isolation film 112 in first layer stacked group 11 and second layer stacked group 12 are both provided with hot melt
Glue, when being preheated to first cascade portion 1 and the second laminated section 2, hot melt adhesive can melt, will by the effect of hot melt adhesive
The pole piece 111 of about 112 both sides of isolation film is bonded on isolation film 112, wherein the viscosity of hot melt adhesive is good, can be pole piece
111 are bonded in well on isolation film 112, can prevent pole piece 111 from falling off from isolation film 112, so as to promote first
The structural strength of stacking group 11 and second layer stacked group 12.
Optionally, two surfaces of the isolation film 112 of the second laminated section 2 are both provided with the hot melt that can pass through hot pressing fusing
Glue, such setting can well be bonded in pole piece 111 on isolation film 112, can prevent pole piece 111 from isolation film 112
It falls off, so as to promote the structural strength of the second laminated section 2.
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 of electrode tinkertoy module 10 can be promoted by being 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 layer stacked group 11 and second layer stacked group 12 are more than ten groups, that is to say, that in electrode tinkertoy module 10
The quantity of first layer stacked group 11 and second layer stacked group 12 is both greater than equal to ten groups, such as：First layer stacked group 11 and second layer stacked group
12 quantity stacked can be 13 groups, and such setting can make electrode tinkertoy module 10 store more electric energy, can be with
Promote the performance of electrode tinkertoy module 10.
Optionally, the first pole piece 113 can be positive plate, and the second pole piece 114 can be negative plate, the first pole piece 113
Can be negative plate, 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 plate, if the first pole piece 113 is negative plate, the second pole piece 114 should be just
Positive plate.
According to the electrochemical appliance of the utility model embodiment, using the electrode tinkertoy module 10 of above-described embodiment, the electricity
Pole tinkertoy module 10 can improve the anti-vibration of electrochemical appliance and shock proof ability, so as to enhance electrochemical appliance
Usage safety performance.Electrochemical appliance can be battery, or capacitor etc..
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 domain within.
Claims (10)
1. a kind of electrode tinkertoy module (10) of electrochemical appliance, which is characterized in that including：First cascade portion (1) and the second layer
Folded portion (2), second laminated section (2) are located at the end of the first cascade portion (1), and the first cascade portion (1) is by first
Stacking group (11) and second layer stacked group (12) alternately laminated composition, the first layer stacked group (11) and the second layer stacked group (12)
By pole piece (111) and isolation film (112) is alternately laminated constitutes, the first layer stacked group (11) and the second layer stacked group (12)
In pole piece (111) quantity be odd number more than or equal to 3, the first layer stacked group (11) and the second layer stacked group (12)
In adjacent pole piece (111) be opposite polarity first pole piece (113) and the second pole piece (114), the first layer stacked group (11)
Stacked gradually according to the sequence of first pole piece (113) and second pole piece (114), the second layer stacked group (12) according to
The sequence of second pole piece (114) and first pole piece (113) stacks gradually, and the first cascade portion (1) has end
Pole piece (13), when the end pole piece (13) is the first pole piece (113), second laminated section (2) includes stacked above one another
Isolation film (112), the second pole piece (114) and isolation film (112) three-decker；The end pole piece (13) is described second
When pole piece (114), second laminated section (2) includes the isolation film (112), the first pole piece (113) and isolation film of stacked above one another
(112) three-decker.
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, the first layer stacked group (11) and the second layer stacked group (12) bonding connect
It connects.
3. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1 or 2, which is characterized in that described first
Bonding connection successively between the pole piece (111) and isolation film (112) of stacking group (11), the pole piece of the second layer stacked group (12)
(111) bonding connection successively between isolation film (112), the pole piece (111) and isolation film (112) of second laminated section (2)
Between bonding connection successively.
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 group (11) and the second layer stacked group (12) are both provided with hot melt adhesive.
5. the electrode tinkertoy module (10) of electrochemical appliance according to claim 4, which is characterized in that second stacking
Two surfaces of the isolation film (112) in portion (2) are both provided with hot melt adhesive.
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
Group (11) and the second layer stacked group (12) are more than ten groups.
8. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that first pole piece
(113) it is positive plate, second pole piece (114) is negative plate.
9. the electrode tinkertoy module (10) of electrochemical appliance according to claim 1, which is characterized in that first pole piece
(113) it is negative plate, second pole piece (114) is positive plate.
10. a kind of electrochemical appliance, which is characterized in that include the electrochemical appliance according to any one of claim 1-9
Electrode tinkertoy module (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919028.0U CN208062197U (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 |
|---|---|---|---|
| CN201721919028.0U CN208062197U (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 |
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| CN208062197U true CN208062197U (en) | 2018-11-06 |
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ID=63994829
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552024A (en) * | 2022-01-28 | 2022-05-27 | 上海兰钧新能源科技有限公司 | Lithium ion battery lamination structure and preparation thereof, battery core and preparation and application thereof |
| CN114586216A (en) * | 2020-09-22 | 2022-06-03 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery, and power consumption device |
-
2017
- 2017-12-29 CN CN201721919028.0U patent/CN208062197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114586216A (en) * | 2020-09-22 | 2022-06-03 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery, and power consumption device |
| CN114552024A (en) * | 2022-01-28 | 2022-05-27 | 上海兰钧新能源科技有限公司 | Lithium ion battery lamination structure and preparation thereof, battery core and preparation and application thereof |
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| GR01 | Patent grant | ||
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Effective date of registration: 20190124 Address after: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: GREAT WALL MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| 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. |
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| CP03 | Change of name, title or address |