CN105609866B - A kind of preparation method of flexible battery - Google Patents
A kind of preparation method of flexible battery Download PDFInfo
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- CN105609866B CN105609866B CN201610132107.0A CN201610132107A CN105609866B CN 105609866 B CN105609866 B CN 105609866B CN 201610132107 A CN201610132107 A CN 201610132107A CN 105609866 B CN105609866 B CN 105609866B
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- flexible
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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 invention belongs to battery technology field, more particularly to a kind of preparation method of flexible battery, include the following steps：The flexible electrical core unit of at least two electrical connections is got out, and insulation processing is carried out to it；Flexible electrical core unit is connected in series or in parallel and is wrapped in flexible bags, its a side and top margin are sealed；Electrolyte is injected into flexible bags, its opposite side banding is lived；Battery is melted into, is melted into the gasbag that the gas collection of generation is reserved on flexible bags, the gas that gasbag release chemical conversion produces then is punctured, cuts off gasbag and unnecessary side, finally obtain flexible battery.For single flexible battery core unit individual packages, the preparation method of flexible battery provided by the invention increases the capacitance or output voltage of flexible battery, reduces the encapsulation number of flexible battery, saves packaging material, improve packaging efficiency.
Description
Technical field
The invention belongs to battery technology field, more particularly to a kind of preparation method of flexible battery.
Background technology
It is well known that current commercialized monomer lithium ion battery shape, mainly has（1）To apply in smart mobile phone, put down
It is the cuboid-type of representative on the products such as version computer,（2）It is electronic in light-weight electric instrument, electric bicycle, Tesla to apply
On the products such as car, electronic watch for represent 18650,26650, button cell as representative cylinder type,（3）To apply
It is the plane special-shaped batteries such as " blade type ", " apple shape " of representative on the products such as Apple music players, bluetooth headset.Above shape
The single battery of shape can not realize that itself bends, therefore dress kind equipment in complexity or comfort type to the flexible requirement of battery
In seldom apply.
For current intelligent wearable device market, existing traditional battery technology takes the mode of " breaking the whole up into parts ",
Available battery space in Wearable is first divided into as far as possible regular small space, then the size by the small space after segmentation
To design the battery cell of small of production, then the battery cell of small is arranged in parallel or in series in and comes together to realize battery in equipment
The utilization in space.And such a traditional mode, often increase battery connection in series-parallel number, while cause battery packaging technology and
Management of charging and discharging system（PCM）Complication.On the other hand, battery space is divided smaller, i.e., the ruler of small battery cell
Very little smaller, its energy density is lower, in turn results under same units space, and working time of smart machine is short, under customer experience
The problems such as drop.
The Chinese patent of Patent No. CN203026608U, discloses a kind of battery core unit parallel connection post package in a flexibility
Flexible flexible battery in packaging bag, the patent provide some solutions for the Power Management Design scheme of wearable class smart machine
Scheme；But the battery core unit still inflexibility of its flexible battery disclosed in itself, in addition, the degree of crook of whole battery and
Single battery core number in parallel and the width of single battery core are directly related, its pliability and the free degree are subject to the same of larger limitation
When, limited because being connected in parallel between by monomer battery core, its output voltage compares the advantage of having no with conventional cell.
The content of the invention
It is an object of the invention to：In view of the deficiencies of the prior art, a kind of preparation method of flexible battery is provided, with side
Just the connection in series-parallel of battery, saves packaging material, improves packaging efficiency.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of preparation method of flexible battery, includes the following steps：
The first step, gets out the flexible electrical core unit of at least two electrical connections, and carries out insulation processing to it；
Second step, the flexible electrical core unit of the first step is wrapped in flexible bags, its a side and top margin are carried out
Heat-sealing；
3rd step, injects electrolyte into the flexible bags of second step, its opposite side banding is lived；
4th step, is melted into the battery of the 3rd step, and the gas collection for being melted into generation is reserved on flexible bags
A gasbag in, then puncture the gas that gasbag release chemical conversion produces, cut off gasbag and unnecessary side, finally
To flexible battery.
The a kind of of preparation method as flexible battery of the present invention improves, and the flexible electrical core unit is by cathode pole
Piece and cathode pole piece and barrier therebetween isolation film winding or stack forms, between the flexible electrical core unit share metal or
The positive conductive terminal and cathode conductive terminal that metal alloy is formed.
The a kind of of preparation method as flexible battery of the present invention improves, and the shape of the flexible electrical core unit is
Square, circular or arc.
The a kind of of preparation method as flexible battery of the present invention improves, with parallel connection between the flexible electrical core unit
Or the mode of series connection is connected and is wrapped in flexible bags.Connection is wrapped in flexible bag in parallel between flexible electrical core unit
To increase the capacity of flexible battery in pack；Flexible electrical core unit is connected in series to be wrapped in flexible bags to increase
The output voltage of big flexible battery, the average output voltage of flexible battery is the vector of multiple flexible electrical core unit output voltages
With.A degree of self-balancing can be realized between two or more flexible electrical core units being cascaded, its discharge and recharge
The charge and discharge fulgurite to this self-balancing battery can be achieved using the simple protective mode of " IC adds two metal-oxide-semiconductors " for protection circuit
Control, and usually require to carry out two batteries difference management and control during the series connection of traditional two single batteries, in its charge and discharge protecting circuit
Achieve the purpose that balance, so both added the usage quantity of IC ＆ metal-oxide-semiconductors, while also increase the cost of protection circuit.
The a kind of of preparation method as flexible battery of the present invention improves, adjacent two flexible battery core lists
The gap of 0.3 ~ 10mm is reserved between member.
The a kind of of preparation method as flexible battery of the present invention improves, adjacent two flexible battery core lists
The gap of 1 ~ 5mm is reserved between member.
Certain gap is reserved between the adjacent two flexible electrical core units of the present invention, is realized between flexible electrical core unit
Bending, add the suppleness of whole flexible battery.
The a kind of of preparation method as flexible battery of the present invention improves, when the flexible electrical core unit needs to make
During with same electrolyte, the electrolytic cell of an accommodating electrolyte is formed in the flexible bags, without by two or two
Flexible electrical core unit heat-sealing above separates, and improves packaging efficiency, saves the packaging material of flexible battery.
The a kind of of preparation method as flexible battery of the present invention improves, when the flexible electrical core unit needs to make
The electrolytic cell of two or more accommodating electrolyte is formed during with different electrolyte, in the flexible bags, and it is adjacent
Two electrolytic cells by heat-sealing be spaced from each other, each flexible electrical core unit has independent electrolytic cell.
The a kind of of preparation method as flexible battery of the present invention improves, and the flexible bags are plastic-aluminum combined
Film, steel plastic compount film, polypropylene screen, polyethylene film or polychloroethylene film.
The a kind of of preparation method as flexible battery of the present invention improves, and the mode of the insulation processing is parcel
Isolation film, patch insulating cement apply insulating layer.
The beneficial effects of the present invention are：The preparation method of flexible battery provided by the invention, by least two flexible electricals
Core unit connects by way of in parallel or series to be packaged in same flexible bags, and in formation process, chemical conversion is produced
Raw gas is all collected in same gasbag, and for single flexible battery core unit individual packages, the present invention carries
The preparation method of the flexible battery of confession increases the capacitance or output voltage of flexible battery, reduces the encapsulation time of flexible battery
Number, saves packaging material, improves packaging efficiency.
Brief description of the drawings
Fig. 1 is one of flexible battery structure diagram of the present invention.
Fig. 2 is flexible battery second structural representation of the present invention.
Fig. 3 is flexible battery third structural representation of the present invention.
Fig. 4 is the four of flexible battery structure diagram of the present invention.
Embodiment
The present invention and its advantage are made further specifically below in conjunction with embodiment and Figure of description
Bright, still, embodiment of the invention is not limited thereto.
Embodiment 1
As shown in Figure 1, getting out the flexible electrical core unit 1,2 of two electrical connections, flexible electrical core unit 1,2 is by anode pole piece
Formed with the isolation film winding of cathode pole piece and barrier therebetween, and insulation processing, two flexibilities are carried out to it by applying insulating layer
Positive conductive terminal and the cathode conductive terminal that metallic aluminium is formed are shared between battery core unit 1,2；By two flexible electrical core units
1st, 2 connected and be wrapped in flexible bags 3 in the form of series connection, be reserved between two flexible electrical core units 1,2 between 5mm
Gap, seals 3 a side of flexible bags and top margin；Due to above-mentioned two flexible electrical core unit 1,2 can be used it is same
Electrolyte, so there is no need to which the heat-sealing of flexible electrical core unit 1,2 of two is separated, directly injects electrolyte into flexible bags 3, makes
The electrolytic cell that an accommodating electrolyte is formed in flexible bags 3 is obtained, then lives 3 opposite side banding of flexible bags；To electricity
Pond is melted into, and is melted into the gasbag that the gas collection of generation is reserved on flexible bags 3, is then punctured air bag
The gas that bag release chemical conversion produces, cuts off gasbag and unnecessary side, finally obtains flexible battery.
Embodiment 2
As shown in Fig. 2, getting out the flexible electrical core unit 4,5,6 of three electrical connections, flexible electrical core unit 4,5,6 is by cathode
The isolation film winding of pole piece and cathode pole piece and barrier therebetween forms, and carries out insulation processing to it by pasting insulating cement, three
Positive conductive terminal and the cathode conductive terminal that metallic nickel is formed are shared between flexible electrical core unit 4,5,6；By three flexible electricals
Core unit 4,5,6 is connected in the form of series connection and is wrapped in flexible bags 7, is reserved between three flexible electrical core units 4,5,6
There is the gap of 2mm, 7 a side of flexible bags and top margin are sealed；Since above three flexible electrical core unit 4,5,6 can
Using same electrolyte, so there is no need to which the heat-sealing of flexible electrical core unit 4,5,6 of two is separated, directly into flexible bags 7
Electrolyte is injected, then lives 7 opposite side banding of flexible bags；Battery is melted into, the gas collection for being melted into generation exists
In the gasbag reserved on flexible bags 7, the gas that gasbag release chemical conversion produces then is punctured, cuts off gasbag
With unnecessary side, flexible battery is finally obtained.
Embodiment 3
As shown in figure 3, as different from Example 1, flexible electrical core unit 1,2 uses different electrolyte, in flexible electrical
The gap location reserved between core unit 1,2 carries out heat-seal so that the electrolysis of two accommodating electrolyte is formed in flexible bags 3
Pond, injects different electrolyte into two electrolytic cells respectively, then lives 3 opposite side banding of flexible bags；To battery into
Row chemical conversion, is melted into the gasbag that the gas collection of generation is reserved on flexible bags 3, then punctures gasbag and release
The gas that chemical conversion produces is put, gasbag and unnecessary side is cut off, finally obtains flexible battery.
Embodiment 4
As shown in figure 4, as different from Example 2, the cathode that metallic aluminium is formed is shared between flexible electrical core unit 4,5,6
Conducting terminal and cathode conductive terminal, using different electrolyte, the gap location reserved between flexible electrical core unit 4,5,6 into
Row heat-seal so that the electrolytic cell of three accommodating electrolyte is formed in flexible bags 7, is injected not into three electrolytic cells respectively
Same electrolyte, then lives the opposite side banding of flexible bags 7；Battery is melted into, is melted into the gas collection of generation
In the gasbag reserved on flexible bags 7, the gas that gasbag release chemical conversion produces then is punctured, cuts off air bag
Bag and unnecessary side, finally obtain flexible battery.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula make a change and modification.Therefore, the invention is not limited in above-mentioned embodiment, every those skilled in the art exist
Made any conspicuously improved, replacement or modification belong to protection scope of the present invention on the basis of the present invention.This
Outside, although having used some specific terms in this specification, these terms merely for convenience of description, not to the present invention
Form any restrictions.
Claims (10)
1. a kind of preparation method of flexible battery, it is characterised in that include the following steps：
The first step, gets out the flexible electrical core unit of at least two electrical connections, and carries out insulation processing to it；
Second step, at least two of the first step flexible electrical core units being electrically connected are wrapped in same flexible bags, right
Its a side and top margin are sealed；
3rd step, injects electrolyte into the flexible bags of second step, its opposite side banding is lived；
4th step, is melted into the battery of the 3rd step, is melted into the gas collection of generation is reserved on flexible bags one
In a gasbag, the gas that gasbag release chemical conversion produces then is punctured, gasbag and unnecessary side is cut off, finally obtains soft
Property battery.
2. the preparation method of flexible battery according to claim 1, it is characterised in that the flexible electrical core unit is by cathode
Pole piece and cathode pole piece and barrier therebetween isolation film winding or stack forms, between the flexible electrical core unit share metal or
The positive conductive terminal and cathode conductive terminal that person's metal alloy is formed.
3. the preparation method of flexible battery according to claim 1, it is characterised in that the shape of the flexible electrical core unit
For square, circular or arc.
4. the preparation method of flexible battery according to claim 1, it is characterised in that with simultaneously between the flexible electrical core unit
Connection or the mode of series connection are connected and are wrapped in flexible bags.
5. the preparation method of flexible battery according to claim 1, it is characterised in that two adjacent flexible battery cores
The gap of 0.3 ~ 10mm is reserved between unit.
6. the preparation method of flexible battery according to claim 5, it is characterised in that two adjacent flexible battery cores
The gap of 1 ~ 5mm is reserved between unit.
7. the preparation method of flexible battery according to claim 1, it is characterised in that when the flexible electrical core unit needs
During using same electrolyte, the electrolytic cell of an accommodating electrolyte is formed in the flexible bags.
8. the preparation method of flexible battery according to claim 1, it is characterised in that when the flexible electrical core unit needs
During using different electrolyte, the electrolytic cell that two or more houses electrolyte, and adjacent two are formed in the flexible bags
A electrolytic cell is spaced from each other.
9. the preparation method of flexible battery according to claim 1, it is characterised in that the flexible bags are answered for plastic-aluminum
Close film, steel plastic compount film, polypropylene screen, polyethylene film or polychloroethylene film.
10. the preparation method of flexible battery according to claim 1, it is characterised in that the mode of the insulation processing is
Wrap up isolation film, patch insulating cement or apply insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610132107.0A CN105609866B (en) | 2016-03-09 | 2016-03-09 | A kind of preparation method of flexible battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610132107.0A CN105609866B (en) | 2016-03-09 | 2016-03-09 | A kind of preparation method of flexible battery |
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| CN105609866A CN105609866A (en) | 2016-05-25 |
| CN105609866B true CN105609866B (en) | 2018-05-11 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207195B (en) * | 2016-09-20 | 2019-06-14 | 广东国光电子有限公司 | A kind of stacked flexible battery and preparation method thereof |
| KR101926626B1 (en) * | 2016-12-16 | 2018-12-11 | 주식회사 아모그린텍 | Wireless headphone having flexible battery |
| DE102017203813A1 (en) * | 2017-03-08 | 2018-09-13 | Robert Bosch Gmbh | Energy storage system, use of an energy storage system, charging device, system and method for charging an energy storage device |
| CN107221648A (en) * | 2017-04-26 | 2017-09-29 | 苏州浏宸新材料科技有限公司 | A kind of preparation method of flexible battery |
| WO2021195924A1 (en) * | 2020-03-31 | 2021-10-07 | 宁德新能源科技有限公司 | Battery cell structure and battery |
| CN113924679B (en) * | 2020-03-31 | 2023-08-22 | 宁德新能源科技有限公司 | Battery cell structure and battery |
| CN114122522A (en) * | 2020-08-26 | 2022-03-01 | 北京小米移动软件有限公司 | Battery manufacturing apparatus |
| CN114730944B (en) * | 2021-03-15 | 2024-06-07 | 宁德新能源科技有限公司 | Flexible battery and power utilization device applying same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544574A (en) * | 2011-12-30 | 2012-07-04 | 华中科技大学 | Flexible lithium ion battery and packaging method thereof |
| CN203026608U (en) * | 2013-01-16 | 2013-06-26 | 刘志航 | Lithium ion battery capable of being bent to use |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002170532A (en) * | 2000-12-01 | 2002-06-14 | Nec Tokin Corp | Electron element |
| US9882224B2 (en) * | 2012-08-21 | 2018-01-30 | Nokia Technologies Oy | Method and apparatus for flexible battery |
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- 2016-03-09 CN CN201610132107.0A patent/CN105609866B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544574A (en) * | 2011-12-30 | 2012-07-04 | 华中科技大学 | Flexible lithium ion battery and packaging method thereof |
| CN203026608U (en) * | 2013-01-16 | 2013-06-26 | 刘志航 | Lithium ion battery capable of being bent to use |
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| CN105609866A (en) | 2016-05-25 |
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Denomination of invention: A preparation method of flexible battery Effective date of registration: 20210729 Granted publication date: 20180511 Pledgee: Bank of Changsha Co.,Ltd. Zhuzhou branch Pledgor: HUNAN LIFANG NEW ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980007086 |
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Date of cancellation: 20230208 Granted publication date: 20180511 Pledgee: Bank of Changsha Co.,Ltd. Zhuzhou branch Pledgor: HUNAN LIFANG NEW ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980007086 |
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Denomination of invention: A preparation method for flexible batteries Effective date of registration: 20230829 Granted publication date: 20180511 Pledgee: Agricultural Bank of China Limited Zhuzhou branch Pledgor: HUNAN LIFANG NEW ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980054119 |