CN204834774U - Lamination formula polymer high power lithium cell - Google Patents
Lamination formula polymer high power lithium cell Download PDFInfo
- Publication number
- CN204834774U CN204834774U CN201520457811.4U CN201520457811U CN204834774U CN 204834774 U CN204834774 U CN 204834774U CN 201520457811 U CN201520457811 U CN 201520457811U CN 204834774 U CN204834774 U CN 204834774U
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- CN
- China
- Prior art keywords
- aluminum box
- plastic
- lithium battery
- lithium cell
- high power
- 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
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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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- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a lamination formula polymer high power lithium cell, the lithium cell is the polymer lithium cell, and it includes outermost plastic -aluminum box, and this plastic -aluminum box is platykurtic side personally experiences sth. Part of the body the front -back of plastic -aluminum box is provided with multilayer lamination formula board, this multilayer lamination formula board from outer extremely interior outer diaphragm, negative electricity polar plate, interior unfamiliar, the positive electricity polar plate of being in proper order, plastic -aluminum box upper end cross section is provided with the one deck insulating cell, the insulating cell right side is provided with the current collector. Lamination formula lithium cell has even unanimous reaction interface, and lamination formula lithium cell electricity core structure has reduced buckles regionally and thickness change area, and the pole piece surfacing has not had the tension influence on the length direction, and the pole piece is more good with the contact of diaphragm, the even unanimity of interface reaction, and active material's capacity has obtained full play, and the performance has obtained ultimate improvement. Lamination formula lithium cell structure still has even unanimous current density, good inside heat dispersion, more is fit for the high rate and discharges.
Description
Technical field
The utility model relates to field of batteries, relates to a kind of stacked polymer high power lithium battery specifically.
Background technology
Along with the continuous expansion in battery applications field, lithium ion battery on traditional structure is after size is amplified, its more inner bad reactions caused due to ad hoc structure are also amplified thereupon, now in the urgent need to a kind of core strueture more optimized to meet the designing requirement of Large Copacity rectangular cell, on this basis, laminated batteries arises at the historic moment.Due to the complex characteristics of winding-structure, there is many places bending and varied in thickness region in the longitudinal direction in whole pole piece, especially the low-angle bending region in the middle part of core and collector welding region, due to the uneven of winding tension and change of shape, be easy to the distortion of crumpling causing barrier film and pole piece, both positive and negative polarity can not get effective contact, cause reaction dead zone, " analysing lithium " phenomenon is there is in the edge of fold during charging, the effective active material of battery is caused to can not get abundant reaction, battery energy density reduces, cycle performance of battery declines, also result in very large potential safety hazard simultaneously.
Due to the impact of winding tension and the particularity of winding-structure, winding-structure battery core is easy to deform and surface thickness change, the increasing of battery core overall dimension also exacerbates this impact, in simultaneously battery use procedure, the contraction of material and deformation also can cause certain varied in thickness, especially the aluminum-plastic composite membrane battery pack be widely used at present, battery case intensity difference, the change of interior shape causes the use of the variable effect of overall dimension, also can bring certain potential safety hazard.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of stacked polymer high power lithium battery.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of stacked polymer high power lithium battery, described lithium battery is poly-lithium battery, it comprises outermost plastic-aluminum box, this plastic-aluminum box is flat side's body, the front-back of described plastic-aluminum box is provided with multi-laminate chip plate, this multi-laminate chip plate is followed successively by outer barrier film, negative electrode plate, inner septum, positive electricity pole plate from outside to inside, cross section, described plastic-aluminum box upper end is provided with one deck insulating cell, is provided with current-collector on the right side of described insulating cell.
Further, the top end face of described plastic-aluminum box is provided with electrolyte input port.
Further, the top end face of described plastic-aluminum box is provided with negative terminal.
Further, described negative terminal is cuboid, on the downside of its cuboid, be provided with liner.
Further, the top end face of described plastic-aluminum box is also provided with exhaust outlet.
Further, closed type sealing plate is provided with between the top end face of described plastic-aluminum box and insulating cell.
Relative to prior art, the beneficial effects of the utility model are: compare coiling type lithium battery structure, laminated lithium battery has better cycle characteristics, security feature and energy density, laminated lithium battery has the reaction interface of uniformity, laminated lithium battery core strueture decreases bending region and varied in thickness region, pole piece is smooth, without the tension force impact on length direction, pole piece is more excellent with contacting of barrier film, interfacial reaction uniformity, the capacity of active material obtains and gives full play to, and performance obtains basic improvement.Laminated lithium battery structure also has the current density of uniformity, excellent internal heat dissipating performance, is more suitable for high rate discharging.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model lithium battery lamination formula structural representation.
Fig. 2 is the utility model overall structure schematic diagram.
Mark in accompanying drawing: plastic-aluminum box 1, electrolyte input port 2, liner 3, negative terminal 4, exhaust outlet 5, current-collector 6, closed type sealing plate 7, insulating cell 8, outer barrier film 91, inner septum 92, positive electricity pole plate 10, negative electrode plate 11.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Please refer to accompanying drawing 1, the stacked polymer high power lithium battery of one of the present utility model, described lithium battery is poly-lithium battery, it comprises outermost plastic-aluminum box 1, this plastic-aluminum box 1 is in flat side's body, the front-back of described plastic-aluminum box 1 is provided with multi-laminate chip plate, this multi-laminate chip plate is followed successively by outer barrier film 91 from outside to inside, negative electrode plate 11, inner septum 92, positive electricity pole plate 10, cross section, described plastic-aluminum box 1 upper end is provided with one deck insulating cell 8, current-collector 6 is provided with on the right side of described insulating cell 8, the top end face of described plastic-aluminum box 1 is provided with electrolyte input port 2, the top end face of described plastic-aluminum box 1 is provided with negative terminal 4, described negative terminal 4 is in cuboid, liner 3 is provided with on the downside of its cuboid, the top end face of described plastic-aluminum box 1 is also provided with exhaust outlet 5, closed type sealing plate 7 is provided with between the top end face of described plastic-aluminum box 1 and insulating cell 8, plastic-aluminum box 1 upper surface effectively seals by closed type sealing plate 7.
As shown in Figure 1 and 2, by the outer barrier film 91 of laminated structure, negative electrode plate 11, inner septum 92, positive electricity pole plate 10 pressing, make this four tunic and plate be close to the electrolyte inside of plastic-aluminum box 1, this four tunic and plate are the inside being placed in whole plastic-aluminum box 1, form a smooth interface.Compare coiling type lithium battery structure, laminated lithium battery has better cycle characteristics, security feature and energy density, laminated lithium battery has the reaction interface of uniformity, laminated lithium battery core strueture decreases bending region and varied in thickness region, and pole piece is smooth, without the tension force impact on length direction, pole piece is more excellent with contacting of barrier film, interfacial reaction uniformity, the capacity of active material obtains and gives full play to, and performance obtains basic improvement.Laminated lithium battery structure also has the current density of uniformity, excellent internal heat dissipating performance, is more suitable for high rate discharging.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a stacked polymer high power lithium battery, described lithium battery is poly-lithium battery, it comprises outermost plastic-aluminum box (1), this plastic-aluminum box (1) is body in flat side, it is characterized in that: the front-back of described plastic-aluminum box (1) is provided with multi-laminate chip plate, this multi-laminate chip plate is followed successively by outer barrier film (91), negative electrode plate (11), inner septum (92), positive electricity pole plate (10) from outside to inside, described plastic-aluminum box (1) cross section, upper end is provided with one deck insulating cell (8), and described insulating cell (8) right side is provided with current-collector (6).
2. the stacked polymer high power lithium battery of one according to claim 1, is characterized in that: the top end face of described plastic-aluminum box (1) is provided with electrolyte input port (2).
3. the stacked polymer high power lithium battery of one according to claim 1, is characterized in that: the top end face of described plastic-aluminum box (1) is provided with negative terminal (4).
4. the stacked polymer high power lithium battery of one according to claim 3, is characterized in that: described negative terminal (4), in cuboid, is provided with liner (3) on the downside of its cuboid.
5. the stacked polymer high power lithium battery of one according to claim 1, is characterized in that: the top end face of described plastic-aluminum box (1) is also provided with exhaust outlet (5).
6. the stacked polymer high power lithium battery of one according to claim 1, is characterized in that: be provided with closed type sealing plate (7) between the top end face of described plastic-aluminum box (1) and insulating cell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457811.4U CN204834774U (en) | 2015-06-30 | 2015-06-30 | Lamination formula polymer high power lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457811.4U CN204834774U (en) | 2015-06-30 | 2015-06-30 | Lamination formula polymer high power lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834774U true CN204834774U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520457811.4U Expired - Fee Related CN204834774U (en) | 2015-06-30 | 2015-06-30 | Lamination formula polymer high power lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834774U (en) |
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2015
- 2015-06-30 CN CN201520457811.4U patent/CN204834774U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 building B2, building, Fumin Industrial Zone, Fu Shui street, Guangdong, Shenzhen, China Patentee after: Shenzhen Hai Tong Tong Electronic Limited by Share Ltd Address before: 518000 building B2, building, Fumin Industrial Zone, Fu Shui street, Guangdong, Shenzhen, China Patentee before: Hi-Chipcom Electronics Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |