CN103227298B - It can bendable lithium ion battery - Google Patents

It can bendable lithium ion battery Download PDF

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Publication number
CN103227298B
CN103227298B CN201310177632.0A CN201310177632A CN103227298B CN 103227298 B CN103227298 B CN 103227298B CN 201310177632 A CN201310177632 A CN 201310177632A CN 103227298 B CN103227298 B CN 103227298B
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China
Prior art keywords
lithium ion
battery core
foil
ion battery
battery
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CN103227298A (en
Inventor
方双柱
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Dongguan Amperex Technology Ltd
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Dongguan Amperex Technology Ltd
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Priority to CN201310177632.0A priority Critical patent/CN103227298B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

It can bendable lithium ion battery the invention discloses one kind, it includes encapsulation foil, several battery cores, flexible connecting line, and it is filling in the electrolyte in encapsulation foil, it encapsulates and is equipped with several grooves in foil, contain battery core in groove, flexible connecting line be connected to the positive and negative lug of each battery core and drawn to outside encapsulation foil it is total just, total negative pole end.Compared with prior art, the present invention can bendable lithium ion battery since the design feature of itself, it can be achieved that be bent to a certain extent, it might even be possible to doubling is adapted to the specific demand of the electronic products such as flexible screen.

Description

It can bendable lithium ion battery
Technical field
The invention belongs to field of batteries, it is more particularly related to which one kind can bendable lithium ion battery.
Background technology
With the development of modern society and the enhancing of environmental consciousness, more and more equipment, as mobile phone, laptop, Electric tool and electric vehicle etc. select using chargeable secondary cell as power supply, are the application of chargeable secondary cell Wide space is provided with development.Lithium ion battery because it is high with energy density, open-circuit voltage is high, has extended cycle life and ring The advantages that guarantor, it has also become apply one of rechargeable secondary cell the most universal.
Currently, the function of the mobile electronic products such as mobile phone, tablet computer, laptop is more and more abundant, size is done Must be more and more thinner, power work time extend as far as possible is also required while constantly meeting higher portability and requiring, this is right The requirement of the energy density of power supply is also higher and higher.With the further development of facilitation, certain electronic products such as tablet computer Screen bending fold may be implemented, therefore do not require nothing more than built-in power supply there is high energy density, while to accord with yet Close corresponding structure design, can in the case of screen-bending normal use.
The existing lithium ion battery being built in tablet computer is a monoblock or several blocks of big electricity being connected together Pond or battery pack belong to steel body structure for relatively flexible screen, cannot be bent, therefore cannot be satisfied actual operation requirements. Although taking the mode of multiple battery series-parallel connections that can solve aforementioned technical problem, it is series-parallel between multiple batteries Package assembly needs numerous peripheral device structures, leads to the waste of space structure, battery energy density is caused to can not meet electrical appliance Actual demand.
In view of this, it is necessory to provide one kind can bendable lithium ion battery, to solve the above technical problems.
Invention content
It is an object of the invention to:It is simple in structure to provide one kind, it is convenient for production, and rolling over for existing battery defect can be overcome Curved lithium ion battery.
It in order to achieve the above-mentioned object of the invention, can bendable lithium ion battery the present invention provides one kind comprising if encapsulation foil, A dry battery core, flexible connecting line and filling in being equipped with several grooves in the electrolyte in encapsulation foil, encapsulation foil, are received in groove Have a battery core, flexible connecting line be connected to the positive and negative lug of each battery core and drawn to outside encapsulation foil it is total just, total negative pole end;Battery core with Interval region between battery core encapsulates in the way of being spaced and encapsulating and forms seal area, but not independent envelope between each battery core Extremely, so as to it is filling in encapsulation aluminium foil in electrolyte be free in battery core between.
As the present invention can bendable lithium ion battery a kind of improvement, battery core series connection in the encapsulation foil and/or in parallel Together.
As the present invention can bendable lithium ion battery a kind of improvement, the groove that is equipped with is in matrix row in the encapsulation foil Row.
As the present invention can bendable lithium ion battery a kind of improvement, interval is equipped between the groove, groove is by laterally It is arranged with longitudinal sequence.
As the present invention can bendable lithium ion battery a kind of improvement, the battery core be naked battery core, by yin, yang pole piece and every From film roll around into homonymy or heteropleural in battery core is arranged in the positive and negative lug.
As the present invention can bendable lithium ion battery a kind of improvement, the encapsulation foil is to take the periphery of package foil just Normal technique encapsulation.
Compared with prior art, the present invention can bendable lithium ion battery due to itself design feature, it can be achieved that its one Determine to be bent in degree, it might even be possible to doubling, to adapt to the specific demand of the electronic products such as flexible screen.
Description of the drawings
With reference to the accompanying drawings and detailed description, to the present invention can bendable lithium ion battery and its advantageous effects into Row is described in detail, wherein:
Fig. 1 be the present invention can bendable lithium ion battery structural schematic diagram.
Fig. 2 is that the present invention can the schematic diagram that is bent in one direction of bendable lithium ion battery.
Specific implementation mode
It is clear in order to make goal of the invention, technical solution and the advantageous effects of the present invention be more clear, below in conjunction with attached Figure and specific implementation mode, the present invention will be described in further detail.It should be understood that described in this specification specific Embodiment is not intended to limit the present invention just for the sake of explaining the present invention.
It please refers to Fig.1, shown in 2, it can bendable lithium ion battery 100 the present invention provides one kind comprising encapsulation aluminium foil 10, Several battery cores (1-1,1-2,1-3,1-15), flexible connecting line 20 and the filling electrolyte in encapsulation aluminium foil 10 (are not schemed Show).It encapsulates and is equipped with several grooves (not shown) in aluminium foil 10, correspondence contains battery core in groove, and flexible connecting line 20 is connected to The positive and negative lug of each battery core and drawn to outside encapsulation aluminium foil it is total just, total negative pole end (30,40).
Hereinafter, for opening up several grooves arranged in arrays on encapsulation aluminium foil 10, introducing the present invention can The manufacturing process of bendable lithium ion battery, wherein matrix is selected as 5*3 matrixes, i.e. 5 rows 3 row.
First, 5 rows 3 are gone out on encapsulation aluminium foil by certain specification and arranges groove arranged in arrays, then naked battery core is pressed Diagramatic way is correspondingly placed into groove, is put the positive and negative lug interval of battery core during placement, to ensure negative electrode lug pair The anode ear of accurate adjacent battery core.
Then, flexible connecting line 20 is welded on by order illustrated on the positive and negative lug of each naked battery core.Specifically, by naked electricity The "-" of core 1-1 is connect with the "+" of naked battery core 1-2 with flexible connecting line, the soft company of the "+" of the "-" of naked battery core 1-2 and naked battery core 1-3 Wiring is linked in sequence down successively, and the trend graph of flexible connecting line 20 is shown in dotted line.
Finally, the above-mentioned aluminium foil that placed battery core and connect flexible connecting line 20 is packaged by normal mode, and protected Interval region between card battery core and battery core encapsulates in the way of being spaced and encapsulating, and forms seal area 50.In encapsulation process, to protect It demonstrate,proves and does not shut independently between each battery core, between being free in naked battery core so as to the filling electrolyte in encapsulation aluminium foil.
It should be noted that, although in the illustrated embodiment, each battery core is cascaded, still, in actual production In the process, in parallel or serial-parallel mirror mode can also be carried out according to requirement of the client to cell voltage and capacity.In addition, Battery core is naked battery core, is wound by yin, yang pole piece and isolation film, homonymy or heteropleural in battery core can be arranged in positive and negative lug.
Compared with the existing technology, the present invention can bendable lithium ion battery has the following advantages:Due to arranged in arrays recessed It is provided with interval between slot, then coordinates the flexible bendable folding endurance of flexible connecting line, therefore, packaged lithium ion battery can be certain It is bent in degree, or even can realize and be expert between row, folded between the column and the column.I.e. battery is assembled in band after completing On the tablet computer for having flexible screen, it can be bent or fold in x and y direction together with screen.
According to above-mentioned principle, the present invention can also carry out change and modification appropriate to the above embodiment.Therefore, this hair It is bright to be not limited to specific implementation mode disclosed and described above, some modifications and changes of the present invention should also be as to fall into this In the scope of the claims of invention.In addition, although having used some specific terms, these terms in this specification Merely for convenience of description, it does not limit the present invention in any way.

Claims (6)

1. one kind can bendable lithium ion battery, it is characterised in that:It is described can bendable lithium ion battery include encapsulation foil, several electricity Core, flexible connecting line and filling in being equipped with several grooves in the electrolyte in encapsulation foil, encapsulation foil, contain electricity in groove Core, flexible connecting line be connected to the positive and negative lug of each battery core and drawn to outside encapsulation foil it is total just, total negative pole end;Battery core and battery core it Between interval region encapsulate in the way of being spaced and encapsulating and form seal area, but do not shut independently between each battery core, with Just between the filling electrolyte in encapsulation aluminium foil is free in battery core.
2. according to claim 1 can bendable lithium ion battery, it is characterised in that:Battery core series connection in the encapsulation foil And/or it is connected in parallel.
3. according to claim 1 can bendable lithium ion battery, it is characterised in that:The groove being equipped in the encapsulation foil is in Matrix arrangement.
4. according to claim 3 can bendable lithium ion battery, it is characterised in that:Interval is equipped between the groove, it is recessed Slot presses horizontal and vertical sequential arrangement.
5. according to claim 1 can bendable lithium ion battery, it is characterised in that:The battery core is naked battery core, by yin, yang Pole piece and isolation film are wound, and homonymy or heteropleural in battery core is arranged in the positive and negative lug.
6. according to any one of claim 1 to 5 can bendable lithium ion battery, it is characterised in that:The encapsulation foil is Normal process is taken to encapsulate the periphery of package foil.
CN201310177632.0A 2013-05-14 2013-05-14 It can bendable lithium ion battery Active CN103227298B (en)

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Application Number Priority Date Filing Date Title
CN201310177632.0A CN103227298B (en) 2013-05-14 2013-05-14 It can bendable lithium ion battery

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Application Number Priority Date Filing Date Title
CN201310177632.0A CN103227298B (en) 2013-05-14 2013-05-14 It can bendable lithium ion battery

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CN103227298A CN103227298A (en) 2013-07-31
CN103227298B true CN103227298B (en) 2018-07-20

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160056418A1 (en) * 2014-08-21 2016-02-25 Ford Global Technologies, Llc Li-ion monoblock battery for stop/start applications

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322385A (en) * 1999-09-22 2001-11-14 皇家菲利浦电子有限公司 Lithium secondary battery comprising individual cells connected with one another, as well as watches, computers and communication equipment provided with such battery
CN100431199C (en) * 2004-03-19 2008-11-05 富士重工业株式会社 Accumulator structure
CN203242712U (en) * 2013-05-14 2013-10-16 东莞新能源科技有限公司 Bending lithium-ion battery

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3794213B2 (en) * 1999-08-13 2006-07-05 コニカミノルタフォトイメージング株式会社 Battery built-in belt
CN203026608U (en) * 2013-01-16 2013-06-26 刘志航 Lithium ion battery capable of being bent to use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322385A (en) * 1999-09-22 2001-11-14 皇家菲利浦电子有限公司 Lithium secondary battery comprising individual cells connected with one another, as well as watches, computers and communication equipment provided with such battery
CN100431199C (en) * 2004-03-19 2008-11-05 富士重工业株式会社 Accumulator structure
CN203242712U (en) * 2013-05-14 2013-10-16 东莞新能源科技有限公司 Bending lithium-ion battery

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