CN202905899U - Widening structure of soft-package lithium ion core - Google Patents
Widening structure of soft-package lithium ion core Download PDFInfo
- Publication number
- CN202905899U CN202905899U CN201220543782XU CN201220543782U CN202905899U CN 202905899 U CN202905899 U CN 202905899U CN 201220543782X U CN201220543782X U CN 201220543782XU CN 201220543782 U CN201220543782 U CN 201220543782U CN 202905899 U CN202905899 U CN 202905899U
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- China
- Prior art keywords
- battery core
- flanging
- filler
- main body
- lithium ion
- 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 - Lifetime
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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)
Abstract
The utility model belongs to the technical field of lithium ion cells, and particularly relates to a widening structure of a soft-package lithium ion cell. The widening structure of the soft-package lithium ion cell is that a widening area is formed between a side edge of a cell body and a package folding side; a filler is placed in the widening area; one side of the filler is adhered to the side edge of the cell body while the other side of the filler is adhered to the package folding side, or one side of the filler is adhered to the side edge of the cell body while the other side of the filler is adhered to the package folding side. According to the widening structure of the soft-package lithium ion cell, the widening area is formed, thus a narrower cell can be widened, and as a result, the consistency of the width of the cell can be effectively improved, and the cell can be able to be fixed in a battery.
Description
Technical field
The utility model belongs to technical field of lithium ion, refers in particular to a kind of flexible packing lithium ion electric core widening structure.
Background technology
Lithium ion battery is as a kind of secondary cell of environmental protection, is widely used in fields such as portable set such as mobile phone, video camera, notebook computers.
Flexible packing lithium ion electric core is winding-structure normally, because the thickness fluctuation of positive plate, negative plate, barrier film, and the difference of winding tension, cause the battery core width consistency of reeling out relatively poor, when battery core assembled battery (Pack), the battery core that width is less is difficult in Pack well fixing, will cause potential poor electric contact and safety problem.
At present Pack mainly contains two kinds of processing methods: a kind of is that battery core is packed in the glue frame of fixed dimension, and then the outside adds a circle wrapping paper (A-Pack); Another kind is that battery core is directly reeled a week along Width with the aluminium foil (about 1.0mm is thick) with some strength, then assembles top cover and bottom, and last outside adds a circle wrapping paper (B-Pack).In order to improve fixing in Pack of narrower battery core, for A-Pack, in battery core is packed the glue frame into after, common gap injection PUR between battery core both sides and glue frame improves battery core and Pack fixes with this.Yet, along with operation production to automation development, automatically the injecting glue amount will be certain, this just causes PUR can not effectively fill space between narrower battery core and glue frame, both fix not firm phenomenon and again occur.And for B-Pack, the present good fixing means of battery core in Pack that improve without comparison also in the industry.
As shown in Figure 1, core strueture schematic diagram behind the prior art flanging is adjacent to battery core main body side 1 after 2 shapings of encapsulation flanging.The battery core width equals the battery core body width and adds encapsulation flanging 2 thickness own.
The utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provide a kind of flexible packing lithium ion electric core widening structure.This structure can effectively be improved the flexible packing lithium ion electric core width consistency, guarantees that battery core is fixing in battery.
For achieving the above object, the utility model adopts following technical scheme: a kind of flexible packing lithium ion electric core widening structure, comprise battery core main body side and the encapsulation flanging that is positioned at described battery core main body side both sides, be provided with widened section between described battery core main body side and the described encapsulation flanging, be provided with filler in the described widened section, a wherein side of described filler and described battery core main body side are bonding, a wherein side of a described filler and described encapsulation flanging wherein side and described battery core main body side bonding or described filler is bonding, and the opposite side of described filler and described encapsulation flanging are bonding.
Described filler comprises at least a in Double-face gummed paper, wrinkle gummed paper and the Du Pont's gummed paper.
One side of described filler and described battery core main body side are bonding, and the opposite side of described filler contacts with described encapsulation flanging.
One side of described filler and described encapsulation flanging are bonding, and the opposite side of described filler and described battery core main body side edge joint touch.
The length of described encapsulation flanging is greater than 1.5mm.
The length of described encapsulation flanging is greater than 3mm.
Height after the described encapsulation flap folded is less than or equal to the height of described battery core main body side.
Height after the described encapsulation flap folded is greater than the height of described battery core main body side.
The beneficial effects of the utility model are: the utility model comprises between described battery core main body side and the described encapsulation flanging and is provided with widened section, be provided with filler in the described widened section, a wherein side of described filler and described battery core main body side are bonding, the wherein side of described filler and described encapsulation flanging is bonding or a wherein side of described filler and described battery core main body side are bonding, and the opposite side of described filler and described encapsulation flanging are bonding.The widened section of the utility model setting can make narrower battery core widen, and effectively improves the battery core width consistency, guarantees that battery core is fixing in battery.
Description of drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is core strueture schematic diagram before the utility model flanging.
Fig. 3 is the battery core schematic diagram that the utility model widened section is arranged at battery core main body side and encapsulation flanging corner.
Fig. 4 is that the utility model widened section is arranged at the battery core schematic diagram on the battery core main body side.
Fig. 5 is that the utility model widened section is arranged at the battery core schematic diagram on the encapsulation flanging.
Fig. 6 is battery core widening structure end view behind the utility model flanging.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Shown in Fig. 2 ~ 6, a kind of flexible packing lithium ion electric core widening structure, comprise battery core main body side 1 and the encapsulation flanging 2 that is positioned at battery core main body side 1 both sides, be provided with widened section 4 between battery core main body side 1 and the encapsulation flanging 2, be provided with filler 3 in the widened section 4, a wherein side of filler 3 and battery core main body side 1 a wherein side bonding, filler 3 are bonding with encapsulation flanging 2 a wherein side and battery core main body sides 1 bonding or filler 3, and the opposite side of filler 3 is bonding with encapsulation flanging 2.
Preferably, filler 3 comprises at least a in Double-face gummed paper, wrinkle gummed paper and the Du Pont's gummed paper, adopt gummed paper can make that operation is very easy, and the consistency of thickness of gummed paper is better, thereby makes the width of increase controlled.
One side and the battery core main body side 1 of filler 3 are bonding, and the opposite side of filler 3 contacts with encapsulation flanging 2,
One side of filler 3 is bonding with encapsulation flanging 2, the opposite side of filler 3 contacts with battery core main body side 1, the thickness of widened section 4 gummed papers and the number of plies can be adjusted according to the degree that the battery core needs are widened, and be more easy to operate when this scheme is pasted widened section 4, and a step gets final product.
Wherein, one side and the battery core main body side 1 of filler 3 are bonding, the opposite side of filler 3 is bonding with encapsulation flanging 2, filler 3 is arranged between battery core main body side 1 and the encapsulation flanging 2, widened section 4 is positioned at the corner of battery core main body side 1 and encapsulation flanging 2, widened section 4 can have double effect of widening after the folded package flanging 2, when pasting widened section 4, this scheme needed for two steps, but battery core main body side 1 and encapsulation flanging 2 can be effectively bonding behind the flanging, this widened section 4 is filled to Double-face gummed paper, the battery core width equaled the battery core body width and added encapsulation flanging 2 thickness own this moment, at the thickness that adds widened section 4.
Preferably, the length of encapsulation flanging 2 is greater than 1.5mm.
Preferred, the length of encapsulation flanging 2 is greater than 3mm.
Height after encapsulation flanging 2 folds is less than or equal to the height of battery core main body side 1.
Height after encapsulation flanging 2 folds is greater than the height of battery core main body side 1.
With respect to prior art, the utility model comprises following advantage at least: 1) thickness of widened section 4 gummed papers and the number of plies can be adjusted according to the degree that the battery core needs are widened, thereby can quantitatively widen the battery core width, and the width of increase is controlled; 2) find width super narrow after, widened section 4 is arranged on battery core main body side 1 and encapsulates between the flanging 2, does not affect the battery core outward appearance; 3) widened section adopts the gummed paper design, and simple, convenient and excellent rate is high.
The according to the above description announcement of book and instruction, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement, replacement or modification that every those skilled in the art have done on basis of the present utility model all belong to protection range of the present utility model.In addition, although used some specific terms in this specification, these terms do not consist of any restriction to the utility model just for convenience of description.
Claims (8)
1. flexible packing lithium ion electric core widening structure, comprise battery core main body side (1) and be positioned at the encapsulation flanging (2) of described battery core main body side (1) both sides, it is characterized in that: be provided with widened section (4) between described battery core main body side (1) and the described encapsulation flanging (2), be provided with filler (3) in the described widened section (4), a wherein side and the described battery core main body side (1) of described filler (3) are bonding, a wherein side of described filler (3) and a wherein side of the bonding or described filler of described encapsulation flanging (2) (3) and described battery core main body side (1) are bonding, and the opposite side of described filler (3) and described encapsulation flanging (2) are bonding.
2. flexible packing lithium ion electric core widening structure according to claim 1 is characterized in that: described filler (3) comprises at least a in Double-face gummed paper, wrinkle gummed paper and the Du Pont's gummed paper.
3. flexible packing lithium ion electric core widening structure according to claim 1, it is characterized in that: a side of described filler (3) and described battery core main body side (1) are bonding, and the opposite side of described filler (3) contacts with described encapsulation flanging (2).
4. flexible packing lithium ion electric core widening structure according to claim 1, it is characterized in that: a side of described filler (3) and described encapsulation flanging (2) are bonding, and the opposite side of described filler (3) contacts with described battery core main body side (1).
5. flexible packing lithium ion electric core widening structure according to claim 1, it is characterized in that: the length of described encapsulation flanging (2) is greater than 1.5mm.
6. flexible packing lithium ion electric core widening structure according to claim 5, it is characterized in that: the length of described encapsulation flanging (2) is greater than 3mm.
7. flexible packing lithium ion electric core widening structure according to claim 1 is characterized in that: the height after described encapsulation flanging (2) is folding is less than or equal to the height of described battery core main body side (1).
8. flexible packing lithium ion electric core widening structure according to claim 1 is characterized in that: the height after described encapsulation flanging (2) is folding is greater than the height of described battery core main body side (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220543782XU CN202905899U (en) | 2012-10-23 | 2012-10-23 | Widening structure of soft-package lithium ion core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220543782XU CN202905899U (en) | 2012-10-23 | 2012-10-23 | Widening structure of soft-package lithium ion core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905899U true CN202905899U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220543782XU Expired - Lifetime CN202905899U (en) | 2012-10-23 | 2012-10-23 | Widening structure of soft-package lithium ion core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931368A (en) * | 2012-10-23 | 2013-02-13 | 东莞新能源科技有限公司 | Widening structure of flexible package lithium ion cell and manufacturing method of widening structure |
| CN106356565A (en) * | 2016-10-13 | 2017-01-25 | 安徽巨大电池技术有限公司 | Lithium battery pack |
-
2012
- 2012-10-23 CN CN201220543782XU patent/CN202905899U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931368A (en) * | 2012-10-23 | 2013-02-13 | 东莞新能源科技有限公司 | Widening structure of flexible package lithium ion cell and manufacturing method of widening structure |
| CN102931368B (en) * | 2012-10-23 | 2016-06-22 | 东莞新能源科技有限公司 | A kind of flexible packing lithium ion electric core widening structure and preparation method thereof |
| CN106356565A (en) * | 2016-10-13 | 2017-01-25 | 安徽巨大电池技术有限公司 | Lithium battery pack |
| CN106356565B (en) * | 2016-10-13 | 2019-09-20 | 安徽巨大电池技术有限公司 | Lithium battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20160622 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |