CN203166018U - Bent soft package lithium-ion rechargeable battery - Google Patents
Bent soft package lithium-ion rechargeable battery Download PDFInfo
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- CN203166018U CN203166018U CN2013200278272U CN201320027827U CN203166018U CN 203166018 U CN203166018 U CN 203166018U CN 2013200278272 U CN2013200278272 U CN 2013200278272U CN 201320027827 U CN201320027827 U CN 201320027827U CN 203166018 U CN203166018 U CN 203166018U
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- rechargeable battery
- core body
- electric core
- ion rechargeable
- bending
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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 discloses a bent soft package lithium-ion rechargeable battery and relates to the technical field of a lithium-ion battery. The bent soft package lithium-ion rechargeable battery comprises an aluminum plastic film, a diaphragm, an anode sheet, an anode lug of the anode, and a cathode sheet and a cathode lug of the cathode sheet, wherein the diaphragm is located between the anode sheet and the cathode sheet; the anode sheet, the cathode sheet and the diaphragm are gradually wound layer by layer in the same direction to form a wound body; the wound body is arranged in the aluminum plastic film to form an electric core body; electrolyte containing LiPF6 is added into the aluminum plastic film; and the electric core body is bent into a circular-arc shape. The bent soft package lithium-ion rechargeable battery disclosed by the utility model has the beneficial effects that the bent soft package lithium-ion rechargeable battery can be filled into an arc-shaped watchband, can be combined with the arc-shaped watchband to form a whole body and is not limited by the volume of the lithium-ion rechargeable battery, so that the capacity is greater than that of a common watch battery and the problem that the battery cannot be mounted in an irregular product or the capacity of the mounted battery is too small can be solved.
Description
[technical field]
The utility model relates to lithium ion battery, and in particular, the utility model relates to a kind of bending Soft Roll Li-Ion rechargeable battery.
[background technology]
Lithium ion battery is a kind of rechargeable battery, and it mainly relies on lithium ion to move work between positive pole and negative pole.In charging process, Li+ embeds back and forth between two electrodes and takes off embedding: during rechargable battery, Li+ takes off embedding from positive pole, embed negative pole through electrolyte, negative pole is in rich lithium state, and is then opposite during discharge, the general employing contained the material of elemental lithium as the battery of electrode, is the representative of modern high performance battery.Lithium ion battery has advantages such as high-energy-density, open circuit voltage height, power output are big, memory-less effect, operating temperature range is wide, the speed that discharges and recharges is fast, and therefore, lithium ion battery is widely used in consumption electronic product, war products, aeronautical product etc.
Existing lithium ion battery, the general comparison rule of its profile, for example be cylindrical, rhombus etc., the lithium ion battery surface of these types is smooth, and when needing to use battery in some irregular products, the lithium ion battery of these surfacings then can't be packed in the irregular product, for example when making wrist-watch, people wish the battery of wrist-watch to be packed in the watchband, but because watchband has certain radian, therefore, the lithium ion battery of rule can't be packed in the watchband of arc, perhaps namely allows to lithium ion battery is packed in the watchband, and the volume of lithium ion battery also is restricted, its capacity is very little, is the bottleneck of the batch process of this wrist-watch.
[utility model content]
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, a kind of bending Soft Roll Li-Ion rechargeable battery of watchband inside of the arc of can packing into is provided, and this bending Soft Roll Li-Ion rechargeable battery has solved the too small problem of battery capacity that irregular product can't be installed battery or installation.
The technical solution of the utility model is achieved in that it comprises aluminum plastic film, barrier film, positive plate and anode ear thereof, negative plate and negative electrode lug thereof, its improvements are: described barrier film is between positive plate and negative plate, described positive plate, negative plate and barrier film successively reel to form coiling body to same direction, coiling body is arranged on and forms electric core body in the above-mentioned aluminum plastic film, and be added with the electrolyte that composition is LiPF6 in the aluminum plastic film, the whole bending of electric core body is the shape of circular arc;
In the said structure, described anode ear is aluminium flake, and negative electrode lug is the nickel sheet, and anode ear is connected on the positive plate, and negative electrode lug is connected on the negative plate, and anode ear and negative electrode lug all stretch out aluminum plastic film;
In the said structure, described electric core body bending be the shape of circular arc, and the radius of the arcwall face of the indent of electric core body is 26.71mm, and the length after electric core body bends is 28.69 ± 0.5mm, and width is 10.0mm, and thickness is 2.2mm;
In the said structure, described electric core body bending be the shape of circular arc, and the radius of the arcwall face of the indent of electric core body is 21.16mm, and the length after electric core body bends is 20.5 ± 0.5mm, and width is 10.0mm, and thickness is 2.2mm.
The beneficial effects of the utility model are: the utility model discloses a kind of bending Soft Roll Li-Ion rechargeable battery, its electric core body forms arc shape after by the bender bending, can be good at packing in the watchband of arc, and owing to can be good at being combined into one with the watchband of arc, be not subjected to the restriction of lithium ion battery volume, therefore also bigger with respect to its capacity of common watch cell, compare with existing rhombus and column lithium ion battery, the utility model has solved the too small problem of battery capacity that irregular product can't be installed battery or installation.
[description of drawings]
Fig. 1 is the structural representation of bending Soft Roll Li-Ion rechargeable battery of the present invention;
Fig. 2 is the generalized section of bending Soft Roll Li-Ion rechargeable battery of the present invention;
Fig. 3 is the schematic perspective view of bending Soft Roll Li-Ion rechargeable battery of the present invention;
Fig. 4 is the vertical view of bending Soft Roll Li-Ion rechargeable battery of the present invention;
Fig. 5 is the end view of bending Soft Roll Li-Ion rechargeable battery of the present invention;
Fig. 6 is the manufacture method flow chart of bending Soft Roll Li-Ion rechargeable battery of the present invention.
[embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
Referring to figs. 1 through shown in Figure 6, the utility model has disclosed a kind of bending Soft Roll Li-Ion rechargeable battery, it comprises aluminum plastic film 10, barrier film 20, positive plate 30 and anode ear 40 thereof, negative plate 50 and negative electrode lug 60 thereof, in the present embodiment, anode ear 40 is aluminium flake, be electrically connected on the positive plate 30, negative electrode lug 60 is the nickel sheet, be electrically connected on the negative plate 50,20 in barrier film is between positive plate 30 and negative plate 50, positive plate 30 and negative plate 50 are separated, and positive plate 30, negative plate 50 and barrier film 20 successively reel to form coiling body 60 to same direction; In addition, note in winding process that the direction need of coiling are consistent with the direction of the spot welding of anode ear 40 and negative electrode lug 60, that is, 60 of negative electrode lugs are welded on the side of negative plate 50, when reeling, then need control this side and inwardly reel; Same, 40 of positive plates are welded on the side of positive plate 30, when reeling, then need control this side and inwardly reel; Shown in Fig. 1 only in order to express the inside concrete structure of coiling body 60, in the time of in concrete enforcement, with reference to shown in Figure 2, positive plate 30, negative plate 50 and barrier film 20 can repeatedly successively be reeled to same direction, to constitute coiling body 60,10 outermost layers that are positioned at coiling body 60 of aluminum plastic film, with wrapping up of coiling body 60 integral body, to form electric core body 70, also be added with electrolyte in the aluminum plastic film 10, in the present embodiment, the main component of electrolyte is LiPF6.
With reference to Fig. 3, Fig. 4 and Fig. 5, electric core body 70 whole bendings are the shape of circular arc, in the present embodiment, the radius R of the arcwall face of the indent of electricity core body is 26.71mm, and after the bending, the length L of electric core body is 28.69 ± 0.5mm, width W is 10.0mm, and thickness H is 2.2mm.
In conjunction with Fig. 6, we are described the manufacture method of the bending Soft Roll Li-Ion rechargeable battery that the utility model discloses, and this method may further comprise the steps:
Positive plate and anode ear, negative plate and negative electrode lug are chosen in the spot welding of A, anode ear and negative electrode lug, and anode ear is welded on the positive plate by the spot welding machine point, and negative electrode lug is welded on the negative plate by the spot welding machine point;
B, the making of coiling body, choose diaphragm paper, at first will form after the diaphragm paper doubling, following two-layer diaphragm paper, the upper strata diaphragm paper is than lower floor diaphragm paper long 7, again diaphragm paper is enclosed within on the volume pin, negative plate is inserted between the two-layer diaphragm paper, the negative plate end is put into the diaphragm paper lowermost end, elder generation diaphragm paper and the negative plate half-turn of together reeling, and the direction of reeling needs consistent with the direction of negative electrode lug spot welding, positive plate is placed between the diaphragm paper of upper strata also successively reels then, and the direction of coiling is consistent with the direction of anode ear spot welding, extract the volume pin after coiling is finished out, anode ear and negative electrode lug are positioned at outermost one deck;
Described diaphragm paper is poly-third ethene, and the width of diaphragm paper is 9.0mm, and thickness is 0.020mm;
C, edge sealing are handled, coiling body is put on the aluminum plastic film, behind the doubling aluminum plastic film, aluminum plastic film has the limit of three openings, is respectively the limit of a top end opening and the limit of two side openings, uses edge banding machine that the edge sealing processing is carried out on the limit of the top end opening of aluminum plastic film and the limit of one of them side openings, wherein the temperature that goes up the envelope cutter of edge banding machine is 210 ℃, the temperature of lower seal cutter is 220 ℃, and the edge sealing time is 3s, namely forms electric core body after edge sealing is finished;
D, baking are put into baking box with the electric core body behind the edge sealing and are toasted, and baking temperature is 75 ℃, and stoving time is 12h;
E, fluid injection, opening by the aluminum plastic film side injects electrolyte in electric core body, the composition of the electrolyte that adds is LiPF6, and the process of injecting electrolyte is finished in glove box, the temperature of glove box is 25 ± 5 ℃, relative humidity is less than 2%, after the fluid injection, by edge banding machine the opening of aluminum plastic film side carried out edge sealing in 20min;
F, change into, the electric core body of fluid injection in the step e is changed into, the parameter that changes into is: 3.6mA electric current constant current charge 6h;
G, bleed, the electric core body that changes in the step F after finishing is bled, unnecessary gas in the electric core body is taken out the time 5s that bleeds, vacuum 〉=90% with negative pressure;
H, shaping and bending, after unnecessary aluminum plastic film is removed on the electric core body, again electric core body is put into the bending machine, electricity core body is at first through bending the flanging section of machine, make aluminum plastic film on the electric core body dual-side to invagination, electric core body bends curved shape through the bending segment of bending machine with electric core body then;
I, hot-forming carries out hot pressing with the electric core body that bends curved shape, and hot pressing temperature is 70 ℃, after hot pressing is finished, has namely made bending Soft Roll Li-Ion rechargeable battery.
By above-mentioned description, the utility model discloses a kind of bending Soft Roll Li-Ion rechargeable battery, its electric core body forms arc shape after by the bender bending, can be good at packing in the watchband of arc, and owing to can be good at being combined into one with the watchband of arc, be not subjected to the restriction of lithium ion battery volume, therefore also bigger with respect to its capacity of common watch cell, compare with existing rhombus and column lithium ion battery, the utility model has solved the too small problem of battery capacity that irregular product can't be installed battery or installation.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (6)
1. bending Soft Roll Li-Ion rechargeable battery, it comprises aluminum plastic film, barrier film, positive plate and anode ear thereof, negative plate and negative electrode lug thereof, it is characterized in that: described barrier film is between positive plate and negative plate, described positive plate, negative plate and barrier film successively reel to form coiling body to same direction, coiling body is arranged on and forms electric core body in the above-mentioned aluminum plastic film, and be added with the electrolyte that composition is LiPF6 in the aluminum plastic film, the whole bending of electric core body is the shape of circular arc.
2. a kind of bending Soft Roll Li-Ion rechargeable battery according to claim 1, it is characterized in that: described anode ear is aluminium flake, and negative electrode lug is the nickel sheet, and anode ear is connected on the positive plate, negative electrode lug is connected on the negative plate, and anode ear and negative electrode lug all stretch out aluminum plastic film.
3. a kind of bending Soft Roll Li-Ion rechargeable battery according to claim 1 is characterized in that: described electric core body bending is the shape of circular arc, and the radius of the arcwall face of the indent of electric core body is 26.71mm.
4. a kind of bending Soft Roll Li-Ion rechargeable battery according to claim 3 is characterized in that: the length after the described electric core body bending is 28.69 ± 0.5mm, and width is 10.0mm, and thickness is 2.2mm.
5. a kind of bending Soft Roll Li-Ion rechargeable battery according to claim 1 is characterized in that: described electric core body bending is the shape of circular arc, and the radius of the arcwall face of the indent of electric core body is 21.16mm.
6. a kind of bending Soft Roll Li-Ion rechargeable battery according to claim 5 is characterized in that: the length after the described electric core body bending is 20.5 ± 0.5mm, and width is 10.0mm, and thickness is 2.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200278272U CN203166018U (en) | 2013-01-18 | 2013-01-18 | Bent soft package lithium-ion rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200278272U CN203166018U (en) | 2013-01-18 | 2013-01-18 | Bent soft package lithium-ion rechargeable battery |
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| Publication Number | Publication Date |
|---|---|
| CN203166018U true CN203166018U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200278272U Expired - Fee Related CN203166018U (en) | 2013-01-18 | 2013-01-18 | Bent soft package lithium-ion rechargeable battery |
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| CN (1) | CN203166018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943885A (en) * | 2013-01-18 | 2014-07-23 | 威力新能源（吉安）有限公司 | Bent soft roll lithium-ion rechargeable battery and manufacturing method thereof |
| CN113258122A (en) * | 2021-05-30 | 2021-08-13 | 惠州市恒泰科技股份有限公司 | Arc-shaped battery shaping processing method and arc-shaped battery |
-
2013
- 2013-01-18 CN CN2013200278272U patent/CN203166018U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943885A (en) * | 2013-01-18 | 2014-07-23 | 威力新能源（吉安）有限公司 | Bent soft roll lithium-ion rechargeable battery and manufacturing method thereof |
| CN103943885B (en) * | 2013-01-18 | 2016-03-23 | 威力新能源（吉安）有限公司 | A kind of manufacture method of bending Soft Roll Li-Ion rechargeable battery |
| CN113258122A (en) * | 2021-05-30 | 2021-08-13 | 惠州市恒泰科技股份有限公司 | Arc-shaped battery shaping processing method and arc-shaped battery |
| CN113258122B (en) * | 2021-05-30 | 2022-09-27 | 惠州市恒泰科技股份有限公司 | Arc-shaped battery and shaping processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WEILI NEW ENERGY (JI'AN) CO., LTD. Free format text: FORMER OWNER: WEILI CHANGYI BATTERY TECHNOLOGY (SHENZHEN) CO., LTD. Effective date: 20140428 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 330000 JI'AN, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140428 Address after: 168 No. 330000 Jiangxi province Jinggangshan entrepreneurial economic and Technological Development Zone Avenue Patentee after: Weili new energy (Ji'an) Co., Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518000 Ping Street Community Center shenhuiroad Chang Mei Ling Industrial Zone No. 20 Patentee before: Weili battery technology (Shenzhen) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20190118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |