CN107394279A - The method for packing of monomer high capacity polymer lithium ion battery - Google Patents
The method for packing of monomer high capacity polymer lithium ion battery Download PDFInfo
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- CN107394279A CN107394279A CN201710629447.9A CN201710629447A CN107394279A CN 107394279 A CN107394279 A CN 107394279A CN 201710629447 A CN201710629447 A CN 201710629447A CN 107394279 A CN107394279 A CN 107394279A
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- Prior art keywords
- battery
- bag
- sealing
- thickness
- lithium ion
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of method for packing of monomer high capacity polymer lithium ion battery, comprise the following steps：(1) at least one in two aluminum plastic films is subjected to punching bag：When the thickness of battery is less than 6mm, wherein punching bag will be carried out by an aluminum plastic film, when the thickness of battery is more than or equal to 6mm, two aluminum plastic films are subjected to punching bag；(2) by the battery one aluminum plastic film of loading through in the sack for rushing bag and obtaining, another aluminum plastic film is correspondingly covered above the sack；(3) three sides of the battery are sealed using end socket.The method for packing of the monomer high capacity polymer lithium ion battery of the present invention reduces the breakage rate of aluminum plastic film, improves the utilization ratio of aluminum plastic film, can effectively ensure that the electrical property of monomer high capacity polymer lithium ion battery；And the method for packing is simple to operate.
Description
Technical field
The present invention relates to technical field of lithium ion, in particular to a kind of monomer high capacity polymer lithium ion
The method for packing of battery.
Background technology
The sealing liquid method of the polymer Li-ion battery of low capacity at present, it is main to include plastic-aluminum packaging film bag, cored, close
Bag, closedtop, side seal, an encapsulation flow is completed, subsequent processing can be entered.Bag depth is rushed during usual bag and is up to 6mm, one
As using double bag doublings or the doubling of single Dai Yuwudai areas, the thickness for being adapted to battery is below 12mm.Using the technology of small capacitances amount
Toward the development on Large Copacity, battery side seal and the general maximum of closedtop length can only also accomplish 300mm.By such size, make
High capacity cell, ferric phosphate lithium ion battery is calculated by current energy density per unit volume, its capacity maximum can only also be 100Ah
Left and right.
Current encapsulation technology, battery can do thickness more, and the depth that sack is mainly rushed by plastic-aluminum packaging film determines, according to mesh
Preceding Tool and Die Technology and current aluminum plastic film rush drawing performance level, and it is 9mm that the aluminum plastic film maximum of import, which can rush bag depth, state
Production aluminum plastic film is 6mm, is typically produced in batches in use, the material of import is preferably flushed to 6mm, domestic material is preferably flushed to 4mm, no
Then, just there is the danger broken through.Limited by bag depth is rushed, the general cell thickness of polymer Li-ion battery of batch production is difficult to
More than 12mm, being also difficult to of small lot production more than 18mm, so, just greatly limit the geometric volume of battery, if by electricity
Pond will make the vast capacity as 100Ah, still can not realize.
The content of the invention
In view of this, the method for packing of a kind of monomer high capacity polymer lithium ion battery provided by the invention, preferably
The above-mentioned problems of the prior art and defect are overcome, is encapsulated suitable for monomer high capacity polymer lithium ion battery, is reduced
The breakage rate of aluminum plastic film, the utilization ratio of aluminum plastic film is improved, can effectively ensure that monomer high capacity polymer lithium ion battery
Electrical property；And the method for packing is simple to operate.
A kind of method for packing of monomer high capacity polymer lithium ion battery, comprises the following steps：
(1) at least one in two aluminum plastic films is subjected to punching bag：, will wherein one when the thickness of battery is less than 6mm
Aluminum plastic film carries out punching bag, and when the thickness of battery is more than or equal to 6mm, two aluminum plastic films are carried out into punching bag；
(2) by the battery load aluminum plastic film through in the sack for rushing bag and obtaining, by another aluminum plastic film pair
It should cover above the sack；
(3) three sides of the battery are sealed using end socket.
Further, in step (1)：
When the thickness of the battery is less than 6mm, the depth h=t-2t for rushing bag1Wherein t is cell thickness, t1For
The thickness of the aluminum plastic film
When the thickness of the battery is more than or equal to 6mm and is less than or equal to 18mm, the depth for rushing bag is h=(t-
2t1)/2；
When the thickness of the battery is more than 18mm, the depth for rushing bag is 9mm.
Further, in step (1), the fillet for rushing bag includes four plane corners, rushes fillet on bag and rush under bag
Fillet.
Further, when the thickness of the battery is less than or equal to 18mm, the radiuses of four plane corners for 2~
30mm, described to rush fillet and the radius for rushing fillet under bag on bag be 1~5mm；
When the thickness of the battery is more than 18mm, the radius of four plane corners is 5~30mm, described to rush on bag
Fillet and the radius for rushing fillet under bag are 5~30mm.
Further, in step (3)：
When the closedtop side size of the battery is more than the side sealing size of the battery, the three sides heat-sealing includes：First
Top is sealed, then bottom sealed, then opposite side heat-sealing；
When the closedtop side size of the battery is less than the side sealing size of the battery, the three sides heat-sealing includes：First
Top is sealed, then opposite side is sealed, then bottom is sealed.
Further, in step (3), the length of the end socket is 500~550mm.
Further, in step (3), according to the closedtop of the battery in, underseal and side seal edge lengths, using the envelope
Head to the closedtop of the battery in, underseal and side sealing carries out one or many heat-sealings respectively, and the adjacent weight sealed twice
The length for closing part is 2~50mm.
Further, in step (3)：The temperature of the heat-sealing is 180~220 DEG C, the pressure of the heat-sealing for 0.2~
0.8MPa, the time of the heat-sealing is 6~20s.
Further, when the thickness of the battery is more than 18mm, using edge sealing is extended, the distance for extending edge sealing is more than
Equal to 5mm.
Further, the width of the battery is more than 300mm, and the length of the battery is more than 250mm, and thickness is more than 5mm,
The capacity of the battery is 100~3000Ah.
Compared with prior art, a kind of method for packing of monomer high capacity polymer lithium ion battery of the invention is beneficial
Effect is：
(1) method for packing of monomer high capacity polymer lithium ion battery of the invention, will according to the size of cell thickness
At least one in two aluminum plastic films carries out punching bag, then loads the battery in the sack of one aluminum plastic film, by another
Aluminum plastic film is correspondingly covered above the sack；Three sides of the battery are sealed using end socket again；The method for packing is fitted
Encapsulated for monomer high capacity polymer lithium ion battery, breach current encapsulation technology to cell thickness, width, the limit of length
System, reduces the breakage rate of aluminum plastic film and the requirement to aluminum plastic film, improves the utilization ratio of aluminum plastic film, can fully ensure that monomer is big
The electrical property of capacity aggregation thing lithium ion battery；And the method for packing is simple to operate.
(2) further, the method for packing of monomer high capacity polymer lithium ion battery of the invention is reduced to end socket
Length requirement, in the range of existing end socket manufacturing technology, it is ensured that the consistency of thickness in whole edge sealing area, and after ensuring encapsulation
Finished battery leakage will not occur.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the top view that the aluminum plastic film of the present invention is rushed after bag；
Fig. 2 is the side view that the aluminum plastic film of the present invention is rushed after bag；
Fig. 3 is the partial enlarged drawing that the aluminum plastic film of the present invention rushes A in the side view after bag.
Embodiment
For the ease of understanding the present invention, technical scheme is elaborated with reference to the mode of embodiment,
Many details are elaborated in the following description in order to fully understand the present invention.
But the invention can be embodied in many other ways as described herein, those skilled in the art can be with
Similar improvement is done in the case of without prejudice to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
Unless otherwise defined, all technologies used herein and scientific terminology have and the common skill of art of the present invention
The identical implication that art personnel are generally understood that.When contradiction be present, the definition in this specification is defined.
Term as used herein：
" by ... prepare " it is synonymous with "comprising".Term "comprising" used herein, " comprising ", " having ", " containing "
Or its any other deformation, it is intended that cover including for non-exclusionism.For example, composition, step, method comprising listed elements,
Product or device are not necessarily limited to those key elements, but can include not expressly listed other key elements or such a composition, step
Suddenly, method, product or the intrinsic key element of device.
Conjunction " by ... form " exclude any key element do not pointed out, step or component.If be used in claim,
This phrase will make claim be closed, it is not included the material in addition to the material of those descriptions, but relative
Except customary impurities.When phrase " by ... form " be rather than immediately following theme in the clause that appears in claim main body after
When, it is only limited to the key element described in the clause；Other key elements be not excluded as entirety the claim it
Outside.
Equivalent, concentration or other values or parameter are excellent with scope, preferred scope or a series of upper limit preferred values and lower limit
During the Range Representation that choosing value limits, this, which is appreciated that, specifically discloses by any range limit or preferred value and any scope
All scopes that any pairing of lower limit or preferred value is formed, regardless of whether the scope separately discloses.For example, when open
Scope " when 1~5 ", described scope should be interpreted as including scope " 1~4 ", " 1~3 ", " 1~2 ", " 1~2 and 4~
5 ", " 1~3 and 5 " etc..When number range is described herein, unless otherwise indicated, otherwise the scope is intended to include its end
Value and all integers and fraction within the range.
"and/or" is used to represent that one of illustrated situation or both may to occur, for example, A and/or B includes (A
And B) and (A or B)；
In addition, indefinite article " one kind " before key element of the present invention or component and "one" to key element or the quantitative requirement of component
(i.e. occurrence number) unrestriction.Therefore "one" or " one kind " should be read as including one or at least one, well and odd number
The key element or component of form also include plural form, unless the obvious purport of the quantity refers to singulative.
The invention provides a kind of method for packing of monomer high capacity polymer lithium ion battery, comprise the following steps：
(1) at least one in two aluminum plastic films is subjected to punching bag：, will wherein one when the thickness of battery is less than 6mm
Aluminum plastic film carries out punching bag, and when the thickness of battery is more than or equal to 6mm, two aluminum plastic films are carried out into punching bag；After aluminum plastic film rushes bag
Schematic diagram as shown in Figure 1 to Figure 3.
(2) by the battery load aluminum plastic film through in the sack for rushing bag and obtaining, by another aluminum plastic film pair
It should cover above the sack.
(3) three sides of the battery are sealed using end socket.
Preferably, in step (1)：
When the thickness of the battery is less than 6mm, the depth h=t-2t for rushing bag1Wherein t is cell thickness, t1For
The thickness of the aluminum plastic film；
When the thickness of the battery is more than or equal to 6mm and is less than or equal to 18mm, the depth for rushing bag is h=(t-
2t1)/2；
When the thickness of the battery is more than 18mm, the depth for rushing bag is 9mm.
Preferably, in step (1), as shown in figures 1 and 3, the fillet for rushing bag includes four plane corner Rs0, rush bag
Upper fillet R1With rush fillet R under bag2。
Preferably, when the thickness of the battery is less than or equal to 18mm, four plane corner Rs0Radius for 2~
30mm；
When the thickness of the battery is more than 18mm, four plane corner Rs0Radius for 5~30mm such as 5mm,
8mm, 10mm, 15mm, 20mm, 25mm or 30mm etc..
Preferably, it is described to rush fillet R on bag when the thickness of the battery is less than or equal to 18mm1Justify with described rush under bag
Angle R2Radius be 1~5mm such as 1mm, 2mm, 3mm, 4mm or 5mm；
It is described to rush fillet R on bag when the thickness of the battery is more than 18mm1Fillet R under bag is rushed with described2Radius be 5
~30mm such as 5mm, 8mm, 10mm, 15mm, 20mm, 25mm or 30mm etc..
Preferably, in step (3)：
When the closedtop side size of the battery is more than the side sealing size of the battery, the three sides heat-sealing includes：First
Top is sealed, then bottom sealed, then opposite side heat-sealing；
When the closedtop side size of the battery is less than the side sealing size of the battery, the three sides heat-sealing includes：First
Top is sealed, then opposite side is sealed, then bottom is sealed.
It should be noted that above-mentioned closedtop side size is the width b of aluminum plastic film, above-mentioned side sealing size is aluminum plastic film
Length a.
Preferably, in step (3), the length of the end socket is 500~550mm such as 500mm, 510mm, 520mm, 530mm,
540mm or 550mm etc., the width of the end socket are more than 5mm.
Preferably, in step (3), according to the closedtop of the battery in, underseal and side seal edge lengths, using the end socket
One or many heat-sealings are carried out respectively to the top margin of the battery, base and side, and the adjacent intersection sealed twice
Length is 2~50mm such as 2mm, 5mm, 10mm, 20mm, 30mm, 40mm or 50mm etc..
Preferably, in step (3)：The temperature of the heat-sealing is 180~220 DEG C such as 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C
Or 220 DEG C etc., the pressure of the heat-sealing is 0.2~0.8MPa such as 0.2MPa, 0.3MPa, 0.4MPa, 0.5MPa, 0.6MPa,
0.7MPa or 0.8MPa etc., the time of the heat-sealing is 6~20s such as 6s, 8s, 10s, 12s, 15s, 18s or 20s etc..
Preferably, when the thickness of the battery is more than 18mm, using extension edge sealing, the distance for extending edge sealing is more than etc.
In 5mm.
Preferably, the width of the battery is more than 300mm, and length is more than 250mm, and thickness is more than 5mm, the appearance of the battery
Measure as 100~3000Ah such as 100Ah, 300Ah, 500Ah, 1100Ah, 1500Ah, 2000Ah, 2500 or 3000Ah etc..
For the ease of understanding the present invention, technical scheme is further illustrated with reference to embodiment.Applicant
Statement, the present invention illustrate the detailed process equipment of the present invention and technological process, but not office of the invention by above-described embodiment
It is limited to above-mentioned detailed process equipment and technological process, that is, does not mean that the present invention should rely on above-mentioned detailed process equipment and technique stream
Cheng Caineng is implemented.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to each original of product of the present invention
The equivalence replacement of material and the addition of auxiliary element, the selection of concrete mode etc., all fall within protection scope of the present invention and open model
Within enclosing.
Embodiment 1
100Ah lithium iron phosphate polymer lithium ion batteries are taken, the size of the battery is：Length is 330mm, and width is
460mm, thickness 8.5mm；The battery encapsulation method specifically includes following steps：
(1) bag is rushed：The aluminum plastic film that two length are 480mm, width is 660mm and thickness is 0.152mm is used same
One diel carries out punching bag, and the depth h for rushing bag is 4.1mm, and 4 plane corner Rs for rushing bag0Radius be 8mm, punching
Fillet R on bag1With rush fillet R under bag2Radius be 2mm.
(2) pack：The battery is loaded in the sack of an aluminum plastic film, another aluminum plastic film is correspondingly covered described
Above sack.
(3) top seals：Because the top margin length of battery is more than 500mm, therefore top heat-sealing is carried out several times, using end socket
Length is 500mm, and width is 8mm closedtop machine, and end socket temperature is heated into 220 DEG C, and heat-sealing pressure is transferred to 0.8MPa, from a left side to
Right to carry out top heat-sealing at twice, the heat-sealing time at non-lug is 6s, and the heat-sealing time at lug is 8s, the weight sealed twice
The length for closing part is 5mm.
(4) bottom seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated into 180
DEG C, heat-sealing pressure is adjusted to 0.4MPa, and the heat-sealing time is 6s, from left to right carries out bottom heat-sealing, the coincidence sealed twice at twice
Partial length is 10mm.
(5) side seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated into 180
DEG C, heat-sealing pressure is adjusted to 0.4MPa, and the heat-sealing time is 6s.
Embodiment 2
200Ah ternary lighium polymer lithium ion batteries are taken, the size of the battery is：Length is 500mm, width 700mm,
Thickness is 5.5mm；The battery encapsulation method specifically includes following steps：
(1) bag is rushed：To take two length be 540mm, the aluminum plastic film that width is 1200mm and thickness is 0.152mm, due to electricity
Pond thickness is less than 6mm, therefore wherein one use diel only is carried out into punching bag, and the depth h for rushing bag is 5.2mm, and described
Rush 4 plane corner Rs of bag0Radius be 10mm, rush fillet R on bag1With rush fillet R under bag2Radius be 1mm.
(2) pack：The battery is incorporated with the sack for the aluminum plastic film for rushing bag, another aluminum plastic film is correspondingly covered
Above the sack.
(3) top seals：Because the closedtop edge lengths of battery are more than 500mm, therefore top heat-sealing is carried out several times, using envelope
Head length is 500mm, and width is 8mm closedtop machine, end socket temperature is heated into 220 DEG C, heat-sealing pressure is transferred to 0.6MPa, from a left side
Carry out top heat-sealing in three times to right, the heat-sealing time at non-lug is 7s, and the heat-sealing time at lug is 14s, it is adjacent twice
The length of the intersection of heat-sealing is 10mm.
(4) bottom seals：Because closedtop edge lengths are more than side seal edge lengths, so carrying out Base Heat after being sealed at top
Envelope.End socket length is used as 500mm, width is 8mm underseal machine, end socket temperature is heated into 200 DEG C, heat-sealing pressure is adjusted to
0.4MPa, heat-sealing time are 6s, from left to right carry out bottom heat-sealing in three times, and the length of the adjacent intersection sealed twice is
10mm。
(5) side seals：End socket length is used as 550mm, width is 8mm underseal machine, and end socket temperature is heated into 200
DEG C, heat-sealing pressure is adjusted to 0.4MPa, and the heat-sealing time is 6s.
Embodiment 3
300Ah ternary lighium polymer lithium ion batteries are taken, the size of the battery is：Length is 435mm, width 780mm,
Thickness is 10.5mm；The battery encapsulation method specifically includes following steps：
(1) bag is rushed：The aluminum plastic film that two length are 480mm, width is 1200mm and thickness is 0.152mm is used same
One diel carries out punching bag, and the depth h for rushing bag is 5.1mm, and 4 plane corner Rs for rushing bag0Radius be 20mm,
Rush the upper fillet R of bag1With rush fillet R under bag2Radius be 3mm.
(2) pack：The battery is loaded in the sack of an aluminum plastic film, another aluminum plastic film is correspondingly covered described
Above sack.
(3) top seals：Because the top margin length of battery is more than 500mm, therefore top heat-sealing is carried out several times, using end socket
Length is 500mm, and width is 8mm closedtop machine, and end socket temperature is heated into 200 DEG C, and heat-sealing pressure is transferred to 0.4MPa, from a left side to
Right to carry out top heat-sealing in three times, the heat-sealing time at non-lug be 10s, and the heat-sealing time at lug is 15s, adjacent heat twice
The length of the intersection of envelope is 5mm.
(4) bottom seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated into 180
DEG C, heat-sealing pressure is adjusted to 0.6MPa, and the heat-sealing time is 8s, from left to right carries out bottom heat-sealing in three times, adjacent hot twice
The length of the intersection of envelope is 5mm..
(5) side seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated into 200
DEG C, heat-sealing pressure is adjusted to 0.6MPa, and the heat-sealing time is 8s.
Embodiment 4
500Ah lithium iron phosphate polymer lithium ion batteries are taken, the size of the battery is：Length is 435mm, and width is
800mm, thickness 23mm；The battery encapsulation method specifically includes following steps：
(1) bag is rushed：The aluminum plastic film that two length are 480mm, width is 1200mm and thickness is 0.152mm is used same
One diel carries out punching bag, because cell thickness is more than 18mm, so the depth h that two aluminum plastic films rush bag is 9mm, and it is described
Rush 4 plane corner Rs of bag0Radius be 30mm, rush the upper fillet R of bag1With rush fillet R under bag2Radius be 5mm.
(2) pack：The battery is loaded in the sack of an aluminum plastic film, another aluminum plastic film is correspondingly covered described
Above sack.
(3) top seals：Because the top margin length of battery is more than 500mm, therefore top heat-sealing is carried out several times, using end socket
Length is 500mm, and width is 8mm closedtop machine, and end socket temperature is heated into 200 DEG C, and heat-sealing pressure is transferred to 0.6MPa, from a left side to
Right to carry out top heat-sealing in three times, the heat-sealing time at non-lug be 12s, and the heat-sealing time at lug is 18s, adjacent heat twice
The length of the intersection of envelope is 30mm；Elongatedness is 5mm at edge sealing.
(4) bottom seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated into 190
DEG C, heat-sealing pressure is adjusted to 0.6MPa, and the heat-sealing time is 10s, and from left to right progress bottom heat-sealing in three times, adjacent to seal twice
The length of intersection is 20mm；It is 5mm to extend distance at edge sealing.
(5) side seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated into 190
DEG C, heat-sealing pressure is adjusted to 0.6MPa, and the heat-sealing time is 10s, and it is 5mm to extend distance at edge sealing.
Embodiment 5
1100Ah lithium iron phosphate polymer lithium ion batteries are taken, the size of the battery is：Length is 470mm, and width is
815mm, thickness 45mm；The battery encapsulation method specifically includes following steps：
(1) bag is rushed：The aluminum plastic film that two length are 530mm, width is 1200mm and thickness is 0.152mm is used same
One diel carries out punching bag, and the depth h for rushing bag is 9mm, and 4 plane corner Rs for rushing bag0Radius be 30mm, punching
Fillet R on bag1With rush fillet R under bag2Radius be 15mm.
(2) pack：The battery is loaded in the sack of an aluminum plastic film, another aluminum plastic film is correspondingly covered described
Above sack.
(3) top seals：Because the top margin length of battery is more than 500mm, therefore top heat-sealing is carried out several times, using end socket
Length is 500mm, and width is 8mm closedtop machine, and end socket temperature is heated into 220 DEG C, and heat-sealing pressure is transferred to 0.6MPa, from a left side to
Right to carry out top heat-sealing in three times, the heat-sealing time at non-lug be 7s, and the heat-sealing time at lug is 14s, adjacent heat twice
The length of the intersection of envelope is 10mm；Elongatedness is 15mm at edge sealing.
(4) bottom seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated to
200, heat-sealing pressure is adjusted to 0.4MPa, and the heat-sealing time is 6s, and the length of the adjacent intersection sealed twice is 10mm；At edge sealing
It is 15mm to extend distance.
(5) side seals：End socket length is used as 550mm, width is 8mm underseal machine, and end socket temperature is heated to
200, heat-sealing pressure is adjusted to 0.4MPa, and the heat-sealing time is 6s, and it is 15mm to extend distance at edge sealing.
Embodiment 6
2500Ah lithium iron phosphate polymer lithium ion batteries are taken, the size of the battery is：Length is 600mm, and width is
1000mm, thickness 50mm；The battery encapsulation method specifically includes following steps：
(1) bag is rushed：The aluminum plastic film that two length are 650mm, width is 1400mm and thickness is 0.152mm is used same
One diel carries out punching bag, and the depth h for rushing bag is 9mm, and 4 plane corner Rs for rushing bag0Radius be 30mm, punching
Fillet R on bag1With rush fillet R under bag2Radius be 20mm.
(2) pack：The battery is loaded in the sack of an aluminum plastic film, another aluminum plastic film is correspondingly covered described
Above sack.
(3) top seals：Because the top margin length of battery is more than 500mm, therefore top heat-sealing is carried out several times, using end socket
Length is 500mm, and width is 8mm closedtop machine, and end socket temperature is heated into 220 DEG C, and heat-sealing pressure is transferred to 0.6MPa, from a left side to
Right to carry out top heat-sealing in three times, the heat-sealing time at non-lug be 7s, and the heat-sealing time at lug is 14s, adjacent heat twice
The length of the intersection of envelope is 10mm；Elongatedness is 20mm at edge sealing.
(4) bottom seals：End socket length is used as 500mm, width is 8mm underseal machine, and end socket temperature is heated to
200, heat-sealing pressure is adjusted to 0.4MPa, and it is 6s from left to right to carry out the underseal heat-sealing time in three times, the adjacent coincidence sealed twice
Partial length is 10mm；It is 20mm to extend distance at edge sealing.
(5) side seals：End socket length is used as 500mm, width is 8mm underseal machine, is carried out in two times from top to bottom
Side is sealed, and end socket temperature is heated into 200, and heat-sealing pressure is adjusted to 0.4MPa, and the heat-sealing time is 6s, the coincidence part sealed twice
The length divided is 10mm；It is 20mm to extend distance at edge sealing.
The preferred embodiments of the present invention are above are only, are not intended to limit the invention, for those skilled in the art
For member, inventive formulation and preparation technology can have various modifications and variations.Within the spirit and principles of the invention, institute
Any modification, equivalent substitution and improvements of work etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. method for packing of monomer high capacity polymer lithium ion battery, it is characterised in that：Comprise the following steps：(1) at least one in two aluminum plastic films is subjected to punching bag：, will a wherein plastic-aluminum when the thickness of battery is less than 6mm Film carries out punching bag, and when the thickness of battery is more than or equal to 6mm, two aluminum plastic films are carried out into punching bag；(2) by the battery one aluminum plastic film of loading through in the sack for rushing bag and obtaining, another aluminum plastic film being corresponded to and covered Close above the sack；(3) three sides of the battery are sealed using end socket.
- 2. the method for packing of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (1) in：When the thickness of the battery is less than 6mm, the depth h=t-2t for rushing bag1, wherein t is cell thickness, t1To be described The thickness of aluminum plastic film；When the thickness of the battery is more than or equal to 6mm and is less than or equal to 18mm, the depth for rushing bag is h=(t-2t1)/2, Wherein t is cell thickness, t1For the thickness of the aluminum plastic film；When the thickness of the battery is more than 18mm, the depth for rushing bag is 9mm.
- 3. the method for packing of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (1) in, the fillet for rushing bag includes four plane corners, rushes fillet and lower fillet on bag.
- 4. the method for packing of monomer high capacity polymer lithium ion battery according to claim 3, it is characterised in that：When the thickness of the battery is less than or equal to 18mm, the radius of four plane corners is 2~30mm, described to rush on bag Fillet and the radius for rushing fillet under bag are 1~5mm；When the thickness of the battery is more than 18mm, the radius of four plane corners is 5~30mm, described to rush fillet on bag It is 5~30mm with the radius for rushing fillet under bag.
- 5. the method for packing of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (3) in：When the closedtop side size of the battery is more than the side sealing size of the battery, the three sides heat-sealing includes：First to top Portion is sealed, and then bottom is sealed, then opposite side heat-sealing；When the closedtop side size of the battery is less than the side sealing size of the battery, the three sides heat-sealing includes：First to top Portion is sealed, and then opposite side seals, then bottom is sealed.
- 6. the method for packing of monomer high capacity polymer lithium ion battery according to claim 5, it is characterised in that：Step (3) in, the length of the end socket is 500~550mm.
- 7. the method for packing of monomer high capacity polymer lithium ion battery according to claim 5, it is characterised in that：Step (3) in, according to the closedtop of the battery in, underseal and side seal edge lengths, using the end socket to the closedtop side of the battery, Underseal side and side sealing carry out one or many heat-sealings respectively, and the length of the adjacent intersection sealed twice is 2~50mm.
- 8. the method for packing of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (3) in：The temperature of the heat-sealing is 180~220 DEG C, and the pressure of the heat-sealing is 0.2~0.8MPa, and the time of the heat-sealing is 6~20s.
- 9. the method for packing of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Work as institute When stating the thickness of battery and being more than 18mm, using edge sealing is extended, the distance for extending edge sealing is more than or equal to 5mm.
- 10. the method for packing of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Institute The width for stating battery is more than 300mm, and the length of the battery is more than 250mm, and thickness is more than 5mm, and the capacity of the battery is 100 ~3000Ah.
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