CN206040719U - Polymer lithium ion battery's protective bag - Google Patents

Polymer lithium ion battery's protective bag Download PDF

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Publication number
CN206040719U
CN206040719U CN201620985147.5U CN201620985147U CN206040719U CN 206040719 U CN206040719 U CN 206040719U CN 201620985147 U CN201620985147 U CN 201620985147U CN 206040719 U CN206040719 U CN 206040719U
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CN
China
Prior art keywords
protecting band
ion battery
film
battery
polymer
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Expired - Fee Related
Application number
CN201620985147.5U
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Chinese (zh)
Inventor
李中彦
丁燕丽
卢峰
汤留俊
张静
张夏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Dingxin Battery Co
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Nantong Dingxin Battery Co
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Priority to CN201620985147.5U priority Critical patent/CN206040719U/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

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a polymer lithium ion battery's protective bag belongs to the lithium cell field, protective bag (1) is double -deck rectangle film, the double -deck adjacent both sides of rectangle film are respectively for sealing district (11) and emclosed area (12), other both sides opening, emclosed area (12) obtain for after the fifty percent discount of individual layer rectangle film. Provided is a beneficial effect is: the operation of PET membrane can not appear in protective bag when using inconvenient, and intensity is not enough, drops easily, the edge curls up, needs to change again to paste the scheduling problem, can also recycle to reach more than 1 year, has practiced thrift cost and labour cost greatly.

Description

A kind of protecting band of polymer Li-ion battery
Technical field
This utility model is related to field of lithium ion battery, more particularly to a kind of protecting band of polymer Li-ion battery.
Background technology
At present, polymer Li-ion battery is widely used to the fields such as digital product, electric tool, electric bicycle; In addition, numerous new energy fields such as communication energy storage, solar energy storage and electric automobile, also in widely used high capacity polymer Lithium ion battery.Current country's high-capacity dynamical or the widely used cathode film of energy storage polymer Li-ion battery, negative electrode film, every Film, electrolyte and polymer shell (aluminum plastic film), are made by winding or lamination process.It has specific energy high, defeated Go out that voltage is high, have a safety feature, memory-less effect, and many merits such as self discharge is little, while in national new forms of energy policy Under support, quick development has been obtained.
High capacity polymer lithium ion battery is rapidly progressed in fields such as energy storage, electrokinetic cells, but in production Problems with is there is in making:
1st, the polymer battery adopts aluminum plastic membrane shell, in production, easily cause scuffing, scratch, traumatic injury, deformation etc., Form scrap or bad order product;
2nd, polymer Li-ion battery fluid injection, sealing when, easily cause electrolyte and spill, cause battery surface pollution, very Scrap to corrosion;
3rd, because adopting aluminum plastic membrane shell, also referred to as flexible-packed battery, battery strength is inadequate, in production flow for polymer battery During two sides bend back and forth, easily cause the rupture of four positions in battery base angle and drift angle, cause battery to scrap.
Currently, polymer Li-ion battery producer generally pastes PET protection film (polyester film) to protect outside battery using outside See, but the PET protection film thickness, generally at 60 μm or so, thickness of thin, intensity difference can only be protected slight scuffing, can not be had What is imitated protects to battery outward appearance;PET is because bonding force is not enough simultaneously, it is easy to come off, crimping, does not have effectively protection Effect;When collision is fallen, PET film still cannot be played a role battery;High capacity polymer lithium ion battery is big because of volume, Weight is big, and aluminum plastic film scour hole depth is big (8-15mm), and plastic-aluminum film stretching is big, and the bending in circulation easily causes base angle to rupture, PET Protecting film obviously cannot play a role.
As utility model patent of the notification number for CN205347314U discloses a kind of lithium battery protective rubber band, including base Material, color layer, foil, fabric, tack coat, the fabric in the lithium battery protective rubber band be polyester BOPP film, with compared with Strong plasticity, when with the belt packing lithium battery, the adhesive tape can tight bond on lithium battery, even if tack coat comes off, lead to The plasticity for crossing foil can prevent adhesive tape loose, so as to avoid battery leakage, after there is corrosion failure in base material and fabric, Foil further can play protective action to lithium battery, and so as to prevent battery leakage, but the adhesive tape is not electricity Used in the production process of pond, and protection effect is not played in cell production process.
And for example notification number discloses a kind of being provided with for the utility model patent of CN204289590U and positions preventer Aluminum plastic film laminated lithium ion battery.Which includes:Lamellar body, including the pole piece and barrier film of stacking, the width end of each pole piece Portion is extended with least one tab welding portion respectively;Aluminum plastic film housing, is encapsulated in the lamination external;Electrolyte, is sealed in institute State in aluminum plastic film housing;Lug, one end are connected with the tab welding portion being layered on top of each other on the duplexer, and the other end is stretched out in institute State outside aluminum plastic film housing;Positioning preventer, is encapsulated in the aluminum plastic film housing, is connected with the lug positioned at the lamellar body On the head for connecing, the connection end between the lug and the tab welding portion is positioned on the positioning preventer, described Positioning preventer is in rigidity.The device is also the protection carried out to finished battery, not for cell processing course in it is anti- Shield makees any introduction.
Utility model content
For overcoming the problems such as outward appearance is protected in existing high capacity polymer lithium ion battery production process in prior art, come Production efficiency, yield rate and the product quality problem of high capacity lithium ion battery is improved, this utility model provides a kind of polymerization The protecting band of thing lithium ion battery, the protecting band 1 are double-deck rectangular film, and the adjacent both sides of the double-deck rectangular film are respectively Finalization area 11 and enclosed area 12, another both sides opening, for obtaining after single rectangular thin film doubling, the protecting band is also for the enclosed area 12 Certain cost and labour cost can be saved.
Further, the thin film is PP films.
Further, the thickness of thin film described in monolayer is 0.25~0.5mm.
Further, the finalization area 11 is sealed using heat sealing machine.
Further, the width of the finalization area 11 is 5-20mm.
Further, the PP films are plastified by PP resin meltings, are blow molded into film cylinder material through inflation film manufacturing machine, are then cut out coiled strip It is cut into the size of needs and obtains.
Further, plural high temperature gummed tape is pasted with above the protecting band.
Further, the thin film is PE thin film.
Further, the thin film is that two-layer PE calendered film is obtained Jing after laminating.
Further, the thickness of PE calendered films described in two-layer is 0.20~0.25mm.
Further, the enclosed area is sealed using heat sealing machine.
The method protected using above-mentioned protecting band, is comprised the steps:
Step one:Large-capacity polymer battery Jing after lamination or winding is put into described after closedtop, side seal sealing In protecting band 1, protecting band enclosed area 12 is located at below battery, and finalization area 11 is located on the left of battery, and now battery air bag area is located at On the right side of battery;
Step 2:Side opening both sides on protecting band are pasted onto into cell top end using high temperature gummed tape;
Step 3:By battery Jing high-temperature bakings, fluid injection, pre- sealing, chemical conversion, pumping sealing, three sealings, shaping flanging, Partial volume, detection warehouse-in, complete battery processing.
Further, three sealings described in the step 3 and the protecting band is removed during the shaping flanging, to described Again the protecting band is put during partial volume process.
Further, the partial volume process adopts secondary partial volume, each partial volume to include lithium electricity charging, constant-current discharge and lithium successively Electricity three steps of charging.
Further, between lithium electricity charging, the permanent discharge and recharge, between the constant-current discharge, lithium electricity charge Arrange 5-20min shelves the time.
High capacity polymer lithium ion battery includes cathode film, negative electrode film, barrier film, electrolyte and aluminum plastic membrane shell.It is described Shell is aluminum-plastic composite membrane, is the housing material of battery, is generally made up of three parts:Outermost layer is nylon, effectively can be hindered The only infiltration of air especially oxygen, maintains the environment inside battery core, while can ensure that packaging foil possesses good deformation energy Power;Intermediate layer is aluminium lamination, can effectively prevent the infiltration of moisture in air, maintains the environment inside battery core, with certain thickness Degree intensity is prevented from the outside damage to battery core;Innermost layer is PP (polypropylene), will not by battery core organic solvent dissolving, it is molten It is swollen etc., it is the most direct packaging protecting of battery core internal medium, insulation is effectively prevented internal electrolyte etc. from being contacted with Al layers, is kept away Exempt from Al layers to be corroded.
High capacity polymer lithium ion battery processing technology is as follows:Dispensing coating roll-in, film-making lamination (or volume Around) the molding sealing fluid injection forming and capacity dividing sealing of aluminum plastic film punching hole, battery core completes.Because outside cell aluminum-plastic membrane Layer is nylon, and material is partially soft, easily cause in the manufacturing and circulation scuffings, scratch, traumatic injury, electrolytic corrosion, base angle it is broken Split etc. abnormal, thus utility model devises the preventer, entitled L-type PP flat mouth bag.
Compared with prior art, the beneficial effects of the utility model are:
(1) protecting band is only removed in three sealings and shaping flanging, after the completion of continue with to greatest extent to battery Protected;
(2) battery is coated by protecting band, prevents electrolyte from spilling pollution battery when fluid injection and pumping sealing;
(3) during circulating, as protecting band adopts PP materials, can prevent battery core from scratching, scratching, traumatic injury, fall etc. and to break It is bad;
(4) polymer battery is prevented because corner bends and caused base angle splintering problem back and forth in circulation, it is especially right In high capacity polymer lithium ion battery, because volume is big, aluminum plastic film form depth is big, plastic-aluminum film stretching also than larger, more It is susceptible to base angle rupture etc.;
(5) the PP films that this utility model is adopted have high temperature resistant (90-130 DEG C of high temperature), and thickness is big (0.25-0.5mm), by force Degree is big and has certain pliability, can effectively prevent scuffing, traumatic injury etc., while electrolytic corrosion can be tolerated, prevent battery quilt Overflexing.On the other hand, the L-type PP protecting band be not in when in use PET film operation inconvenience, insufficient strength, easily Come off, edge is rolled, and needs the problems such as re-replacing stickup, can also recycle up to more than 1 year, greatly save cost and Labour cost.
Description of the drawings
Fig. 1 is this utility model preferably protecting band schematic diagram;
Fig. 2 is this utility model preferably front schematic diagram of protecting band sealing;
Fig. 3 be in this utility model after closedtop, side seal sealing battery schematic diagram;
Fig. 4 is that protecting band is enclosed within schematic diagram on battery in this utility model;
Fig. 5 is that battery completes the schematic diagram after processing in this utility model;
Wherein, 1, protecting band;11st, finalization area;12nd, enclosed area;13rd, air bag area;14th, high temperature gummed tape.
Specific embodiment
With reference to embodiments, this utility model is further elaborated.It should be appreciated that tool described herein Body embodiment only to explain this utility model, is not used to limit this utility model.
Embodiment one:
As depicted in figs. 1 and 2, a kind of protecting band of polymer Li-ion battery, the protecting band 1 are double-deck Thin Rectangular Film, the adjacent both sides of the double-deck rectangular film are respectively finalization area 11 and enclosed area 12, another both sides opening, and the enclosed area 12 is Obtain after single rectangular thin film doubling, the protecting band can also save certain cost and labour cost.
Thin film is PP films, and the thickness of thin film described in monolayer is 0.25~0.5mm, and finalization area 11 is sealed using heat sealing machine, sealed The width of mouth region 11 is 5-20mm, and PP films are plastified by PP resin meltings, is blow molded into film cylinder material through inflation film manufacturing machine, then by coiled strip It is cut into the size of needs and obtains.
The method protected using above-mentioned protecting band, is comprised the steps:
Step one:Large-capacity polymer battery Jing after lamination or winding is as shown in figure 3, seal through closedtop, side seal After be put in the protecting band 1, protecting band enclosed area 12 be located at battery 15 below, finalization area 11 be located at battery 15 on the left of, now Air bag area 13 is located on the right side of battery 15;
Step 2:Side opening both sides on protecting band are pasted onto into 15 top of battery using high temperature gummed tape 14, as shown in Figure 4;
Step 3:By battery Jing high-temperature bakings, fluid injection, pre- sealing, chemical conversion, pumping sealing, three sealings, shaping flanging, Partial volume, detection warehouse-in, complete battery processing, as shown in Figure 5.
Further, three sealings described in the step 3 and the protecting band is removed during the shaping flanging, to described Again the protecting band is put during partial volume process.
Further, the partial volume process adopts secondary partial volume, each partial volume to include that first time lithium electricity charges, constant current is put successively Electricity and second lithium electricity three step of charging.
Further, charge in first time lithium electricity, between the permanent discharge and recharge, the constant-current discharge, described second Arrange 5-20min between lithium electricity charging shelves the time.
High capacity polymer lithium ion battery includes cathode film, negative electrode film, barrier film, electrolyte and aluminum plastic membrane shell.It is described Shell is aluminum-plastic composite membrane, is the housing material of battery, is generally made up of three parts:Outermost layer is nylon, effectively can be hindered The only infiltration of air especially oxygen, maintains the environment inside battery core, while can ensure that packaging foil possesses good deformation energy Power;Intermediate layer is aluminium lamination, can effectively prevent the infiltration of moisture in air, maintains the environment inside battery core, with certain thickness Degree intensity is prevented from the outside damage to battery core;Innermost layer is PP (polypropylene), will not by battery core organic solvent dissolving, it is molten It is swollen etc., it is the most direct packaging protecting of battery core internal medium, insulation is effectively prevented internal electrolyte etc. from being contacted with Al layers, is kept away Exempt from Al layers to be corroded.
High capacity polymer lithium ion battery processing technology is as follows:Dispensing coating roll-in, film-making lamination (or volume Around) the molding sealing fluid injection forming and capacity dividing sealing of aluminum plastic film punching hole, battery core completes.Because outside cell aluminum-plastic membrane Layer is nylon, and material is partially soft, easily cause in the manufacturing and circulation scuffings, scratch, traumatic injury, electrolytic corrosion, base angle it is broken Split etc. abnormal, thus utility model devises the preventer, entitled L-type PP flat mouth bag.
The technological parameter of the chemical conversion is as follows:
During first time partial volume, first time lithium electricity charging process adopts 0.5CmA constant currents, and current limit is in 15mA, voltage 4.6V is limited in, the time is maintained at 50-100min;0.5CmA constant currents, voltage is adopted to be limited in 3.2V during constant-current discharge, when Between be maintained at 100-120min;Second lithium electricity adopts 0.7CmA constant currents, current limit to limit in 18mA, voltage when charging In 4.6V, the time is maintained at 80-100min.
Second partial volume technique is identical with first time partial volume.
Embodiment two:
As depicted in figs. 1 and 2, a kind of protecting band of polymer Li-ion battery, the protecting band 1 are double-deck Thin Rectangular Film, the adjacent both sides of the double-deck rectangular film are respectively finalization area 11 and enclosed area 12, another both sides opening, and the enclosed area 12 is Obtain after single rectangular thin film doubling, the protecting band can also save certain cost and labour cost.
Thin film is PP films, and the thickness of thin film described in monolayer is 0.25~0.5mm, and finalization area 11 is sealed using heat sealing machine, sealed The width of mouth region 11 is 5-20mm, and PP films are plastified by PP resin meltings, is blow molded into film cylinder material through inflation film manufacturing machine, then by coiled strip It is cut into the size of needs and obtains.
The method protected using above-mentioned protecting band, is comprised the steps:
Step one:Large-capacity polymer battery 15 Jing after lamination or winding is as shown in figure 3, seal through closedtop, side seal It is put in the protecting band 1 after mouthful, protecting band enclosed area 12 is located at below battery 15, finalization area 11 is located on the left of battery 15, this When air bag area 13 be located at battery 15 on the right side of;
Step 2:Side opening both sides on protecting band are pasted onto into 15 top of battery using high temperature gummed tape 14, as shown in Figure 4;
Step 3:By battery Jing high-temperature bakings, fluid injection, pre- sealing, chemical conversion, pumping sealing, three sealings, shaping flanging, Partial volume, detection warehouse-in, complete battery processing, as shown in Figure 5.
Further, three sealings described in the step 3 and the protecting band is removed during the shaping flanging, to described Again the protecting band is put during partial volume process.
Further, the partial volume process adopts secondary partial volume, each partial volume to include lithium electricity charging, constant-current discharge and lithium successively Electricity three steps of charging.
Further, between lithium electricity charging, the permanent discharge and recharge, between the constant-current discharge, lithium electricity charge Arrange 5-20min shelves the time.
High capacity polymer lithium ion battery includes cathode film, negative electrode film, barrier film, electrolyte and aluminum plastic membrane shell.It is described Shell is aluminum-plastic composite membrane, is the housing material of battery, is generally made up of three parts:Outermost layer is nylon, effectively can be hindered The only infiltration of air especially oxygen, maintains the environment inside battery core, while can ensure that packaging foil possesses good deformation energy Power;Intermediate layer is aluminium lamination, can effectively prevent the infiltration of moisture in air, maintains the environment inside battery core, with certain thickness Degree intensity is prevented from the outside damage to battery core;Innermost layer is PP (polypropylene), will not by battery core organic solvent dissolving, it is molten It is swollen etc., it is the most direct packaging protecting of battery core internal medium, insulation is effectively prevented internal electrolyte etc. from being contacted with Al layers, is kept away Exempt from Al layers to be corroded.
High capacity polymer lithium ion battery processing technology is as follows:Dispensing coating roll-in, film-making lamination (or volume Around) the molding sealing fluid injection forming and capacity dividing sealing of aluminum plastic film punching hole, battery core completes.Because outside cell aluminum-plastic membrane Layer is nylon, and material is partially soft, easily cause in the manufacturing and circulation scuffings, scratch, traumatic injury, electrolytic corrosion, base angle it is broken Split etc. abnormal, thus utility model devises the preventer, entitled L-type PP flat mouth bag.
The technological parameter of the chemical conversion is as follows:
During first time partial volume, first time lithium electricity charging process adopts 0.5CmA constant currents, and current limit is in 15mA, voltage 4.6V is limited in, the time is maintained at 50-100min;0.5CmA constant currents, voltage is adopted to be limited in 3.2V during constant-current discharge, when Between be maintained at 100-120min;Second lithium electricity adopts 0.7CmA constant currents, current limit to limit in 18mA, voltage when charging In 4.6V, the time is maintained at 80-100min.
During second partial volume, first time lithium electricity charging process adopts 0.3CmA constant currents, and current limit is in 15mA, voltage 5.2V is limited in, the time is maintained at 80-120min;0.5CmA constant currents, voltage is adopted to be limited in 4.0V during constant-current discharge, when Between be maintained at 100-120min;Second lithium electricity adopts 0.7CmA constant currents, current limit to limit in 20mA, voltage when charging In 4.8V, the time is maintained at 80-100min.
Embodiment three:
As depicted in figs. 1 and 2, a kind of protecting band of polymer Li-ion battery, the protecting band 1 are double-deck Thin Rectangular Film, the adjacent both sides of the double-deck rectangular film are respectively finalization area 11 and enclosed area 12, another both sides opening, the enclosed area 12 Can be obtained using heat sealing machine sealing, the protecting band can also save certain cost and labour cost.
Thin film is PP films, and the thickness of thin film described in monolayer is 0.25~0.5mm, and finalization area 11 is sealed using heat sealing machine, sealed The width of mouth region 11 is 5-20mm, and PP films are plastified by PP resin meltings, is blow molded into film cylinder material through inflation film manufacturing machine, then by coiled strip It is cut into the size of needs and obtains.
The method protected using above-mentioned protecting band, is comprised the steps:
Step one:Large-capacity polymer battery 15 Jing after lamination or winding is as shown in figure 3, seal through closedtop, side seal It is put in the protecting band 1 after mouthful, protecting band enclosed area 12 is located at below battery 15, finalization area 11 is located on the left of battery 15, this When air bag area 13 be located at battery 15 on the right side of;
Step 2:Side opening both sides on protecting band are pasted onto into 15 top of battery using high temperature gummed tape 14, as shown in Figure 4;
Step 3:By battery Jing high-temperature bakings, fluid injection, pre- sealing, chemical conversion, pumping sealing, three sealings, shaping flanging, Partial volume, detection warehouse-in, complete battery processing, as shown in Figure 5.
Further, three sealings described in the step 3 and the protecting band is removed during the shaping flanging, to described Again the protecting band is put during partial volume process.
Further, the partial volume process adopts secondary partial volume, each partial volume to include lithium electricity charging, constant-current discharge and lithium successively Electricity three steps of charging.
Further, between lithium electricity charging, the permanent discharge and recharge, between the constant-current discharge, lithium electricity charge Arrange 5-20min shelves the time.
High capacity polymer lithium ion battery includes cathode film, negative electrode film, barrier film, electrolyte and aluminum plastic membrane shell.It is described Shell is aluminum-plastic composite membrane, is the housing material of battery, is generally made up of three parts:Outermost layer is nylon, effectively can be hindered The only infiltration of air especially oxygen, maintains the environment inside battery core, while can ensure that packaging foil possesses good deformation energy Power;Intermediate layer is aluminium lamination, can effectively prevent the infiltration of moisture in air, maintains the environment inside battery core, with certain thickness Degree intensity is prevented from the outside damage to battery core;Innermost layer is PP (polypropylene), will not by battery core organic solvent dissolving, it is molten It is swollen etc., it is the most direct packaging protecting of battery core internal medium, insulation is effectively prevented internal electrolyte etc. from being contacted with Al layers, is kept away Exempt from Al layers to be corroded.
High capacity polymer lithium ion battery processing technology is as follows:Dispensing coating roll-in, film-making lamination (or volume Around) the molding sealing fluid injection forming and capacity dividing sealing of aluminum plastic film punching hole, battery core completes.Because outside cell aluminum-plastic membrane Layer is nylon, and material is partially soft, easily cause in the manufacturing and circulation scuffings, scratch, traumatic injury, electrolytic corrosion, base angle it is broken Split etc. abnormal, thus utility model devises the preventer, entitled L-type PP flat mouth bag.
During first time partial volume, first time lithium electricity charging process adopts 0.5CmA constant currents, and current limit is in 15mA, voltage 4.6V is limited in, the time is maintained at 50-100min;0.5CmA constant currents, voltage is adopted to be limited in 3.2V during constant-current discharge, when Between be maintained at 100-120min;Second lithium electricity adopts 0.7CmA constant currents, current limit to limit in 18mA, voltage when charging In 4.6V, the time is maintained at 80-100min.
During second partial volume, first time lithium electricity charging process adopts 0.3CmA constant currents, and current limit is in 15mA, voltage 5.2V is limited in, the time is maintained at 80-120min;0.5CmA constant currents, voltage is adopted to be limited in 4.0V during constant-current discharge, when Between be maintained at 100-120min;Second lithium electricity adopts 0.7CmA constant currents, current limit to limit in 20mA, voltage when charging In 4.8V, the time is maintained at 80-100min.
Described above illustrates and describes preferred embodiment of the present utility model, as previously mentioned, it should be understood that this practicality is new Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and can be used for various other groups Close, change and environment, and can be in utility model contemplated scope described herein, by above-mentioned teaching or the technology of association area Or knowledge is modified.And change that those skilled in the art are carried out and change be without departing from spirit and scope of the present utility model, then All should be in the protection domain of this utility model claims.

Claims (10)

1. a kind of protecting band of polymer Li-ion battery, it is characterised in that described protecting band (1) is double-deck rectangular film, institute State the adjacent both sides of double-deck rectangular film and be respectively finalization area (11) and enclosed area (12), another both sides opening, enclosed area (12) For obtaining after single rectangular thin film doubling.
2. a kind of protecting band of polymer Li-ion battery as claimed in claim 1, it is characterised in that the thin film is PP Film.
3. a kind of protecting band of polymer Li-ion battery as claimed in claim 2, it is characterised in that thin film described in monolayer Thickness is 0.25~0.5mm.
4. a kind of protecting band of polymer Li-ion battery as claimed in claim 3, it is characterised in that finalization area (11) Sealed using heat sealing machine.
5. a kind of protecting band of polymer Li-ion battery as claimed in claim 4, it is characterised in that finalization area (11) Width be 5-20mm.
6. a kind of protecting band of polymer Li-ion battery as claimed in claim 2, it is characterised in that protecting band (1) Top is pasted with plural high temperature gummed tape.
7. a kind of protecting band of polymer Li-ion battery as claimed in claim 1, it is characterised in that the thin film is that PE is thin Film.
8. a kind of protecting band of polymer Li-ion battery as claimed in claim 7, it is characterised in that the thin film is two-layer PE calendered films are obtained Jing after laminating.
9. a kind of protecting band of polymer Li-ion battery as claimed in claim 8, it is characterised in that PE calenderings described in two-layer The thickness of film is 0.20~0.25mm.
10. a kind of protecting band of polymer Li-ion battery as claimed in claim 1, it is characterised in that the enclosed area (12) sealed using heat sealing machine.
CN201620985147.5U 2016-08-30 2016-08-30 Polymer lithium ion battery's protective bag Expired - Fee Related CN206040719U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207020A (en) * 2016-08-30 2016-12-07 南通鼎鑫电池有限公司 The protecting band of a kind of polymer Li-ion battery and means of defence thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207020A (en) * 2016-08-30 2016-12-07 南通鼎鑫电池有限公司 The protecting band of a kind of polymer Li-ion battery and means of defence thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170322

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