CN204179169U - A kind of electrokinetic cell - Google Patents
A kind of electrokinetic cell Download PDFInfo
- Publication number
- CN204179169U CN204179169U CN201420679729.1U CN201420679729U CN204179169U CN 204179169 U CN204179169 U CN 204179169U CN 201420679729 U CN201420679729 U CN 201420679729U CN 204179169 U CN204179169 U CN 204179169U
- Authority
- CN
- China
- Prior art keywords
- core
- sub
- aluminium foil
- lugs
- negative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model relates to a kind of electrokinetic cell, it comprises aluminum hull and core, wherein, this aluminum hull comprises housing and block, and this block lid is located at this case top, by this housing and this block around formation one core chamber, this core is arranged in this core chamber, and this core comprises positive plate and negative plate, wherein, this positive plate is connected with this housing, and this negative plate is connected with this block.
Description
Technical field
The utility model relates to a kind of battery, refer to a kind of battery comprising aluminum hull and core especially, wherein, this aluminum hull comprises housing and block, and this block lid is located at this case top, by this housing and this block around formation one core chamber, this core is arranged in this core chamber, and this core comprises positive plate and negative plate, wherein, this positive plate is connected with this housing, and this negative plate is connected with this block.
Background technology
As everyone knows, in existing lithium-ion electric battery, electrokinetic cell application is very extensive, and its battery needs impedance little and has good heat dispersion.Multi-winding-core, multi pole ears, two bring out the battery of polarity, and its thickness can accomplish 10-35mm.Under the condition that other materials is identical, its internal resistance can reduce greatly, can support the electric discharge of more big current.But traditional lamination makes high-multiplying-power battery, and its production efficiency is extremely low, and price is high; In production, manufacture difficulty is large, qualification rate is low, and has the problems such as die-cut dry linting, and battery also has low pressure hidden danger, and this is the major defect for prior art.
Utility model content
The utility model provides a kind of electrokinetic cell, and its manufacture method is simple, and internal resistance is little, and discharge power is higher, and this is main purpose of the present utility model.
Technical solution adopted in the utility model is: a kind of electrokinetic cell, it comprises aluminum hull and core, wherein, this aluminum hull comprises housing and block, this block lid is located at this case top, by this housing and this block around formation one core chamber, this core is arranged in this core chamber, this core comprises positive plate and negative plate, wherein, this positive plate is connected with this housing, this negative plate is connected with this block, this core comprises some sub-core, each this sub-core comprises positive pole aluminium foil, negative copper foil and barrier film, wherein, this positive pole aluminium foil comprises aluminium foil body and some aluminium foil lugs, some this aluminium foil lug arrangements are connected to this aluminium foil body top, this aluminium foil body is coated with positive electrode active material layer, this negative copper foil comprises Copper Foil body and some nickel lugs, some this nickel lug arrangements are connected to this Copper Foil body top, this Copper Foil body is coated with negative electrode active material layer, this positive pole aluminium foil, this negative copper foil and the stacked formation one that is set together of this barrier film are folded and are established body, wherein, this barrier film is between this positive pole aluminium foil and this negative copper foil, this aluminium foil lugs some downward, and this nickel lugs some upward, this folded body of establishing forms this sub-core from its one end to other one end winding, when concrete enforcement, this sub-core is provided with terminal adhesive tape.
This sub-core some are folded to be set together, these aluminium foil lugs some of each this sub-core downward, these nickel lugs some of each this sub-core upward, be connected in parallel between this sub-core some, these aluminium foil lugs some of each this sub-core are connected with aluminium pole ears and form this positive plate, these nickel lugs some of each this sub-core are connected with nickel lug and form this negative plate, when concrete enforcement, this aluminum hull offers liquid injection port, this liquid injection port place is provided with sealant layer, is filled with electrolyte in this aluminum hull.
The beneficial effects of the utility model are: battery of the present utility model adopts multi pole ears, multi-winding-core (internal parallel) takeup type battery core, the internal resistance of battery core is little (internal resistance of two core is less by 40% than the internal resistance of single multi pole ears core), can provide higher power discharge; Manufacturing process adopts takeup type, easy to operate, does not have the exceptions such as die-cut dry linting, reduces low pressure event and occurs; Battery of the present utility model is more convenient for many and is gone here and there assembling in addition.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is the schematic perspective view of the utility model core.
Fig. 3 is that the some sub-core of the utility model fold the schematic diagram be set together.
Fig. 4 is the perspective view of the sub-core of the utility model.
Fig. 5 is the schematic diagram of the utility model positive pole aluminium foil.
Fig. 6 is the schematic diagram of the utility model negative copper foil.
Embodiment
As shown in Figures 1 to 6, a kind of electrokinetic cell, it comprises aluminum hull 10 and core 20, and wherein, this aluminum hull 10 comprises housing 11 and block 12, and this block 12 lid is located at this housing 11 top, by this housing 11 with this block 12 around formation one core chamber.This core 20 is arranged in this core chamber.
This core 20 comprises positive plate 21 and negative plate 22, wherein, this positive plate 21 is connected with this housing 11, this negative plate 22 is connected with this block 12, and this core 20 comprises some sub-core 30, and each this sub-core 30 comprises positive pole aluminium foil 31, negative copper foil 32 and barrier film, wherein, this positive pole aluminium foil 31 comprises aluminium foil body 311 and some aluminium foil lugs 312, and some this aluminium foil lug 312 arrangements are connected to this aluminium foil body 311 top, and this aluminium foil body 311 is coated with positive electrode active material layer.
This negative copper foil 32 comprises Copper Foil body 321 and some nickel lugs 322, and some this nickel lug 322 arrangements are connected to this Copper Foil body 321 top, and this Copper Foil body 321 is coated with negative electrode active material layer.
The stacked formation one that is set together of this positive pole aluminium foil 31, this negative copper foil 32 and this barrier film is folded and is established body, and wherein, this barrier film is between this positive pole aluminium foil 31 and this negative copper foil 32.
Downward, and this nickel lugs 322 some upward for this aluminium foil lugs 312 some.
This folded body of establishing forms this sub-core 30 from its one end to other one end winding.
When concrete enforcement, this sub-core 30 is provided with terminal adhesive tape.
This sub-core 30 some are folded and are set together, and downward, these nickel lugs 322 some of each this sub-core 30 upward, are connected in parallel between this sub-core 30 some these aluminium foil lugs 312 some of each this sub-core 30.
These aluminium foil lugs 312 some of each this sub-core 30 are connected with aluminium pole ears and form this positive plate 21, and these nickel lugs 322 some of each this sub-core 30 are connected with nickel lug and form this negative plate 22.
When concrete enforcement, this aluminum hull 10 offers liquid injection port, and this liquid injection port place is provided with sealant layer, is filled with electrolyte in this aluminum hull 10.
The utility model is when concrete production, and on the aluminium foil first applied by positive active material, negative electrode active or be coated on Copper Foil, makes positive and negative plate after colding pressing; Then, every for each positive plate one deck is reserved an aluminium foil soldering polar ear position and be used for welding of aluminum lug, the every one deck of each negative plate reserves a Copper Foil welding position and is used for welding nickel lug; An above-mentioned positive plate is added a negative plate to add a slice barrier film and reel, during winding, the lug position of positive plate and negative plate is not same one end, and the core completing winding sticks terminal adhesive tape; Above-mentioned multiple core is stacked (number of parallel can adjust, and the multiplying power of demand is higher, and the number stacked needs to increase relatively, internal parallel), and fix; Then welded with same a slice aluminium pole ears every one deck aluminium pole ears position of all core, every one deck Copper Foil lug position is welded with same a slice nickel lug; The core completing welding is placed in aluminum hull, and positive pole welds with aluminum hull, and negative pole welds with block, then carries out Laser Welding; The battery core completing laser welding carries out vacuum bakeout; The battery core completing baking adds a certain amount of electrolyte, liquid injection port is sealed; Carry out afterwards, preliminary filling, two envelopes, partial volume are to complete integral production process.
Claims (3)
1. an electrokinetic cell, it is characterized in that: comprise aluminum hull and core, wherein, this aluminum hull comprises housing and block, this block lid is located at this case top, by this housing and this block around formation one core chamber, this core is arranged in this core chamber, and this core comprises positive plate and negative plate, wherein, this positive plate is connected with this housing, and this negative plate is connected with this block
This core comprises some sub-core, each this sub-core comprises positive pole aluminium foil, negative copper foil and barrier film, wherein, this positive pole aluminium foil comprises aluminium foil body and some aluminium foil lugs, some this aluminium foil lug arrangements are connected to this aluminium foil body top, this aluminium foil body is coated with positive electrode active material layer, this negative copper foil comprises Copper Foil body and some nickel lugs, some this nickel lug arrangements are connected to this Copper Foil body top, this Copper Foil body is coated with negative electrode active material layer, this positive pole aluminium foil, this negative copper foil and the stacked formation one that is set together of this barrier film are folded and are established body, wherein, this barrier film is between this positive pole aluminium foil and this negative copper foil, this aluminium foil lugs some downward, and this nickel lugs some upward, this folded body of establishing forms this sub-core from its one end to other one end winding,
This sub-core some are folded to be set together, these aluminium foil lugs some of each this sub-core downward, these nickel lugs some of each this sub-core upward, be connected in parallel between this sub-core some, these aluminium foil lugs some of each this sub-core are connected with aluminium pole ears and form this positive plate, and these nickel lugs some of each this sub-core are connected with nickel lug and form this negative plate.
2. a kind of electrokinetic cell as claimed in claim 1, is characterized in that: this aluminum hull offers liquid injection port, this liquid injection port place is provided with sealant layer, is filled with electrolyte in this aluminum hull.
3. a kind of electrokinetic cell as claimed in claim 1, is characterized in that: this sub-core is provided with terminal adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679729.1U CN204179169U (en) | 2014-11-14 | 2014-11-14 | A kind of electrokinetic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679729.1U CN204179169U (en) | 2014-11-14 | 2014-11-14 | A kind of electrokinetic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179169U true CN204179169U (en) | 2015-02-25 |
Family
ID=52567953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420679729.1U Expired - Fee Related CN204179169U (en) | 2014-11-14 | 2014-11-14 | A kind of electrokinetic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204179169U (en) |
-
2014
- 2014-11-14 CN CN201420679729.1U patent/CN204179169U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103579666B (en) | A kind of low internal resistance compound lithium ion battery core and manufacture craft thereof | |
| CN102683634B (en) | High-capacity cylindrical lithium ion cell and production method thereof | |
| CN102683751B (en) | High-capacity high-magnification square lithium ion power battery and manufacturing method thereof | |
| CN101656330A (en) | Method for manufacturing lithium ion battery cell | |
| CN204230364U (en) | A kind of multi pole ears winding type lithium ion battery roll core | |
| CN201146222Y (en) | Novel lamination type lithium ion secondary battery | |
| CN103441237B (en) | The chain type Li-ion batteries piles of buckle type lithium ion battery | |
| CN102024988A (en) | Coiled lithium-ion power battery core and manufacturing method thereof | |
| CN109904355A (en) | A kind of Special-shaped lithium ion battery and its manufacturing method | |
| CN203406360U (en) | Cover plate structure for square aluminium-shell lithium ion battery | |
| CN203574066U (en) | Lithium ion battery with multi-core structure | |
| CN208226028U (en) | A kind of coiling type lithium battery and its battery core | |
| CN103219524B (en) | A kind of laminated lithium ion battery plus plate current-collecting body paillon foil, anode pole piece and battery | |
| CN204179170U (en) | A kind of multi pole ears takeup type high-power battery | |
| CN203774413U (en) | Polymer lithium ion battery cell structure | |
| CN202917600U (en) | Aluminum-plastic packed high-power lithium ion battery | |
| CN209880749U (en) | High-rate discharge polymer battery | |
| CN201655903U (en) | Battery with improved lamination structure | |
| CN203774408U (en) | Power energy-storage polymer lithium ion battery | |
| CN204179169U (en) | A kind of electrokinetic cell | |
| CN104091912B (en) | Multi-tab lithium battery roll core and tab welding method | |
| CN203367419U (en) | Wound electrode plate and lithium ion battery formed by winding same | |
| CN202601763U (en) | High-multiplying-power lithium ion battery of multi-tab structure | |
| CN204927434U (en) | Square power soft package lithium ion battery | |
| CN201741765U (en) | Battery cell of power-type lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20181114 |