CN207664133U - Diaphragm bag band suitable for lamination lithium ion - Google Patents
Diaphragm bag band suitable for lamination lithium ion Download PDFInfo
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- CN207664133U CN207664133U CN201820014022.7U CN201820014022U CN207664133U CN 207664133 U CN207664133 U CN 207664133U CN 201820014022 U CN201820014022 U CN 201820014022U CN 207664133 U CN207664133 U CN 207664133U
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- diaphragm
- lithium ion
- bag
- band
- edge sealing
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
-
- 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
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The utility model is related to field of lithium ion battery, disclose a kind of diaphragm bag band suitable for lamination lithium ion.Diaphragm bag band is in band-like, including at least two diaphragm bags being sequentially connected, each diaphragm bag is rectangle, the length edge of each diaphragm bag is facing each other parallel, two diaphragm bags of arbitrary neighborhood share the one first diaphragm edge sealing that about one two diaphragm hot-pressing links together, it is packaged with positive plate in each diaphragm bag, the tab welding portion for being located at the width end of each positive plate is stretched out from the first length edge of the diaphragm bag band respectively.It is advantageously implemented ultra-narrow laminated lithium ion battery using the technical solution.
Description
Technical field
The utility model is related to lithium ion battery manufacturing field more particularly to a kind of diaphragms suitable for lamination lithium ion
Bag band.
Background technology
With people's pursuit smaller and smaller to the volume of electronic product, lithium ion battery is also accordingly required to be suitble to various
Electronic product different spaces need ultra-narrow lithium ion battery for this kind of elongated product such as intelligent glasses, earphone.In existing skill
Battery in art generally by width or diameter equal to or less than 6 millimeters or so is known as ultra-narrow lithium ion battery.
Ultra-narrow lithium ion battery mainly uses cylinder winding battery to realize at present, and laminated lithium ion battery can not be used real
It is existing.
Utility model content
The first purpose of the utility model embodiment is to provide a kind of diaphragm bag suitable for laminated lithium ion battery
Band is advantageously implemented ultra-narrow laminated lithium ion battery using the technical solution.
In a first aspect, the utility model embodiment provides a kind of diaphragm bag band suitable for lamination lithium ion, it is described every
Film bag band is at least two diaphragm bags that are band-like, including being sequentially connected, and each diaphragm bag is rectangle, each diaphragm
The length edge of bag is facing each other parallel, and two diaphragm bags of arbitrary neighborhood share about one two diaphragm hot-pressing and are connected to one
The one first diaphragm edge sealing risen, is packaged with positive plate in each diaphragm bag, is located at the width end of each positive plate
Tab welding portion is stretched out from the first length edge of the diaphragm bag band respectively.
Optionally, the width of each first diaphragm edge sealing is 0.25~1 millimeter.
Optionally, the second length edge also hot pressing opposite with first length edge on the diaphragm bag band
At the second diaphragm edge sealing for thering is upper and lower two diaphragm hot-pressing to connect together.
Optionally, the width of the second diaphragm edge sealing is 0.25~1 millimeter.
Optionally, two diaphragm hot-pressings up and down are formed in the first length edge also hot pressing of the diaphragm bag band to connect
Third diaphragm edge sealing together.
Optionally, the width of the third diaphragm edge sealing is 0.25~1 millimeter.
Therefore the present embodiment technical solution has advantageous effect below：
1, compared with the existing technology in be equipped with the independent single diaphragm bag of diaphragm edge sealing in two opposite edges and (be preset in
Positive plate), above-mentioned independent diaphragm bag and negative plate are subjected to the lamination process of monolithic~monolithic stacking and according to the technique
Obtained laminated lithium ion battery, using this implementation technical solution, since each diaphragm bag shares a diaphragm edge sealing, reduce one every
Width shared by film edge sealing is conducive on the basis of capacity requirement makes a reservation for (i.e. positive plate is set), reduce lithium ion battery
Width realizes the laminated lithium ion battery of width ultra-narrow；On the basis of lithium ion battery volume is set, by the diaphragm edge sealing
Width is amortized to the positive plate for having substantial role to capacity of lithium ion battery, and the capacity for improving battery is conducive to.
2, using the present embodiment lamination process, band-like diaphragm bag band is when unreeling stacking, between each neighboring separators bag
Common diaphragm edge sealing is fold line, and mode separation strapping zigzag is made to be laminated, and each diaphragm bag is sealed by the diaphragm between them after stacking
Margin position, the stacking between each diaphragm bag is orderly without being easily shifted；And an edge of the negative plate being placed in is by this negative plate
First diaphragm edge sealing of the diaphragm bag on both sides mutually limits, and negative plate is made to be limited in the diaphragm of the first diaphragm edge sealing and its both sides
Without being easily shifted between bag.As it can be seen that making each stepped construction in laminated lithium ion battery using the present embodiment technical solution
Limit is without being easily shifted mutually everywhere, the lamination work using the present embodiment technical solution especially suitable for ultrathin lithium ion battery
Skill is realized.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
It does not constitute improper limits to the present invention.
Fig. 1 is a kind of dimensional structure diagram for diaphragm bag band that the utility model embodiment 1 provides；
Fig. 2 is the main structure diagram of Fig. 1 in the utility model embodiment 1；
Fig. 3 is the left and right side structural schematic diagram of Fig. 1 in the utility model embodiment 1；
Fig. 4 is the overlooking structure diagram of Fig. 1 in the utility model embodiment 1；
Fig. 5 is a kind of lamination process schematic diagram for laminated lithium ion battery that the utility model embodiment 1 provides；
Fig. 6 is the main structure diagram of Fig. 5 in the utility model embodiment 1；
Fig. 7 is the axis cross-sectional view of Fig. 6 in the utility model embodiment 1；
Fig. 8 is a kind of dimensional structure diagram for laminated lithium ion battery that the utility model embodiment 1 provides；
Fig. 9 is the main structure diagram of Fig. 8 in the utility model embodiment 1；
Figure 10 is the backsight structural representation of Fig. 8 in the utility model embodiment 1；
Figure 11 is the overlooking structure diagram of Fig. 8 in the utility model embodiment 1；
Figure 12 is A~A diagrammatic cross-sections of Fig. 9 in the utility model embodiment 1.
Reference numeral：
101：Tab welding portion；102：Diaphragm bag；103：First diaphragm edge sealing；
104：Negative plate；105：Spool；106：Positive plate；
107：Second diaphragm edge sealing；108：Third diaphragm edge sealing.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended to limit the scope of the present invention.
Embodiment 1
Shown in Fig. 1~12.
A kind of laminated lithium ion battery is present embodiments provided, includes mainly being sequentially connected with by multiple (at least two)
The diaphragm bag band and negative plate 104 that integrated diaphragm bag 102 forms.
Shown in Fig. 1~4, wherein each diaphragm bag 102 is in long narrow rectangle, diaphragm bag 102 is on diaphragm bag band
Arrangement is：The all length edge of each diaphragm bag 102 is facing each other parallel, and the two width ends difference of each diaphragm bag 102
Connect being aligned positioned at a width end of two opposite edges of diaphragm bag band, and each diaphragm bag 102, another width end is linked to be
One line.It is packaged with a positive plate 106 respectively in each diaphragm bag 102, is set to the pole of a width end of each positive plate 106
Ear weld part 101 (metal collector is exposed to the reserved location for external lug on surface) is respectively where this positive plate 106
Diaphragm bag 102 in stretch out, and the tab welding portion 101 of all positive plates 106 is respectively positioned on the same edge side of diaphragm bag band, is
Description is convenient, below the edge that the tab welding portion 101 of positive plate 106 on diaphragm bag band is stretched out is denoted as the first length sides
Edge.
A diaphragm edge sealing is provided only between every two adjacent diaphragm bags 102 (to be different from diaphragm bag band other positions
Isolation edge sealing, the present embodiment will be denoted as the first diaphragm edge sealing 103 under it), make two adjacent diaphragm bags 102 share both it
Between the first diaphragm edge sealing 103, at the first diaphragm cover above and below two diaphragm melted by heating link together.
Shown in 5~12, the area of the negative plate 104 of the present embodiment is narrower than each diaphragm bag 102.
In the preparation, the diaphragm bag band of strip is made to carry out zigzag layer with each first diaphragm edge sealing 103 therein for fold line
It is folded, so that about 102 face of each diaphragm bag is laminated, the first diaphragm edge sealing 103 is located at the both sides of laminated body, is placed in lamination process
Negative plate 104, and make the tab welding portion 101 of negative plate 104 from opposite with above-mentioned first length edge on diaphragm bag band
Diaphragm bag belt edge (being denoted as the second length edge) is stretched out, and structure shown in Fig. 8~11, referring to shown in Fig. 8-11, this implementation are formed
The stepped construction of the laminated lithium ion battery of example is as follows：
Between two negative plates 104 of arbitrary neighborhood between be separated with a diaphragm bag 102, in two diaphragm bags of arbitrary neighborhood
Between 102 between be separated with a negative plate 104, any negative plate 104 between two adjacent diaphragm bags 102 is by its both sides
Diaphragm bag 102 and the first diaphragm edge sealing 103 between them are limited, each negative plate 104 and about 106 face layer of positive plate
It is folded.
Shown in Fig. 5~7, the laminated lithium ion battery of the present embodiment may be used following lamination process and realize：
1, by band-like diaphragm bag band from the inside to the outside in advance on a spool 105；
2, a negative plate 104 is placed on lamination jig, spinning reel 105 unreels above-mentioned diaphragm bag band, makes from diaphragm bag
The free end end of band starts, and each diaphragm bag 102 is fold line with its first diaphragm edge sealing 103, and zigzag is carried out to diaphragm bag band
Stacking, keeps each diaphragm bag 102 in diaphragm bag band sequentially stacked on top of one another in lamination jig, and during unreeling, every two
A negative plate 104 is respectively implanted between diaphragm bag 102, until the stacking number of negative plate 104 reaches current laminated batteries requirement
To get the laminated lithium ion battery that the present embodiment is above-mentioned until stacking number.
Therefore the present embodiment technical solution has advantageous effect below：
1, compared with the existing technology in be equipped in two opposite edges diaphragm edge sealing independent single diaphragm bag 102 it is (preset
In there is positive plate 106), by above-mentioned independent diaphragm bag 102 and negative plate 104 carry out the lamination process of monolithic~monolithic stacking with
And the laminated lithium ion battery obtained according to the technique, using this implementation technical solution, since each diaphragm bag 102 shares a diaphragm
Edge sealing reduces the width shared by a diaphragm edge sealing, is conducive to the basis for making a reservation for (i.e. positive plate 106 is set) in capacity requirement
On, the width of lithium ion battery is reduced, realizes the laminated lithium ion battery of width ultra-narrow；In the base that lithium ion battery volume is set
On plinth, the width of the diaphragm edge sealing is amortized to the positive plate 106 for having substantial role to capacity of lithium ion battery, is conducive to carry
The capacity of high battery.
2, using the present embodiment lamination process, band-like diaphragm bag band when unreeling stacking, with each neighboring separators bag 102 it
Between common diaphragm edge sealing be fold line, so that mode separation strapping zigzag is laminated, and after being laminated each diaphragm bag 102 by between them
Diaphragm edge sealing limits, and the stacking between each diaphragm bag 102 is orderly without being easily shifted；And one side for the negative plate 104 being placed in
Edge is limited by 103 phase of the first diaphragm edge sealing of the diaphragm bag 102 on 104 both sides of this negative plate, make negative plate 104 be limited in this
Without being easily shifted between one diaphragm edge sealing 103 and the diaphragm bag 102 on its both sides.As it can be seen that being made using the present embodiment technical solution
The limit mutual everywhere of each stepped construction in laminated lithium ion battery is special using the present embodiment technical solution without being easily shifted
Not Shi Yongyu ultrathin lithium ion battery lamination process realize.
It is unrestricted as the signal of the present embodiment, the first shared diaphragm edge sealing between each adjacent two diaphragm bag 102
103, width presses the limit of current diaphragm packaging by hot pressing technology, keeps it narrow for the limit.For example each first in the present embodiment every
The width of film edge sealing 103 is not more than 1 millimeter, is more than or equal to 0.25 millimeter.
Unrestricted as the signal of the present embodiment, the diaphragm bag band of the present embodiment can be made by following technique：
1, it is laid with a mode separation strapping (being denoted as lower diaphragm plate band)；
2, the positive plate of multiple long narrow oblong-shapeds in a row of arranging that are being mutually parallel is placed on the surface of lower diaphragm plate band
The length edge of 106 (at least two), each positive plate 106 are facing each other parallel, and the tab welding portion 101 of each positive plate 106 divides
It is not stretched out from a width end of positive plate 106 (width end where tab welding portion 101 is denoted as the first width end),
Scheduled interval (the first diaphragm edge sealing 103 is formed with hot pressing), each positive plate are reserved between each two adjacent positive plates 106
Also facing each other between 106 each width end, on the same line, the tab welding portion 101 of all positive plates 106 is respectively
It extends from the same edge (edge that tab welding portion 101 is stretched out is denoted as the first length edge) of lower diaphragm plate band.
3, it covers another mode separation strapping identical with lower diaphragm plate belt shape area at the top of positive plate 106 and (is denoted as upper diaphragm
Band), making upper diaphragm band, complete face, all positive plates 106 are respectively positioned on lower diaphragm plate band and upper diaphragm band up and down with lower diaphragm plate band
Between, the tab welding portion 101 of each positive plate 106 is stretched out from the first length edge of lower diaphragm plate band, lower diaphragm plate band respectively；
4, the hot knife of mobile packaging by hot pressing machine, the edge of a knife of the wherein hot knife are heated to scheduled fusible diaphragm
Temperature makes the edge of a knife of hot knife sequentially be suppressed with interval of the scheduled pressure between each two adjacent positive plates 106
Predetermined time melts and links together to keep the upper lower diaphragm plate being hot pressed heated, in each two adjacent positive plates 106
Between be sequentially formed the first diaphragm edge sealing 103, the width of the first diaphragm edge sealing 103 and the edge of a knife width phase of corresponding hot knife
With the diaphragm bag band to get the present embodiment.
Unrestricted as the signal of the present embodiment, the diaphragm bag band preparation process of the present embodiment further includes：
The edge opposite with above-mentioned first length edge (is denoted as the second length sides also on lower diaphragm plate band, lower diaphragm plate band
Edge) at, diaphragm hot-pressing encapsulation is carried out, a diaphragm edge sealing (being denoted as the second diaphragm edge sealing 107) is formed, makes lower diaphragm plate band and upper diaphragm
Band melted by heating at the second diaphragm edge sealing 107 links together, which can be that continuous diaphragm seals
Side, or the diaphragm edge sealing at interval.Be conducive to further limit positive plate 106 therein using the further edge sealing
Position avoids positive plate 106 from shifting.
Non-limiting as the signal of the present embodiment, the width of the second diaphragm edge sealing 107 can be sealed by current diaphragm hot pressing
The limit of dress technology, it is narrow to be set to the limit.For example the width of the second diaphragm edge sealing 107 in the present embodiment is no more than 1 milli
Rice is more than or equal to 0.25 millimeter.
Unrestricted as the signal of the present embodiment, the diaphragm bag band preparation process of the present embodiment further includes：
In first length edge of lower diaphragm plate band, lower diaphragm plate band, further carry out diaphragm hot-pressing encapsulation, formed one every
Film edge sealing (is denoted as third diaphragm edge sealing 108), and making lower diaphragm plate band, the melted by heating at third diaphragm edge sealing 108 connects with upper diaphragm band
It is connected together, which can be continuous diaphragm edge sealing, or the diaphragm edge sealing at interval.Using this
Further diaphragm edge sealing is conducive to further limit positive plate 106 therein, and positive plate 106 is avoided to shift.
Non-limiting as the signal of the present embodiment, the width of the third diaphragm edge sealing 108 can be sealed by current diaphragm hot pressing
It is narrow that the limit of dress technology is set to the limit.For example in the present embodiment, the width of the third diaphragm edge sealing 108 is not more than 1
Millimeter is more than or equal to 0.25 millimeter.
As the signal of the present embodiment, the active material coating zone on the negative plate 104 of the present embodiment is designed as bigger
In the coating zone size of the active material on positive plate 106, it is ensured that the active material coating zone interference on negative plate 104 is just
To the active material coating zone of positive plate 106, it is ensured that in cell reaction, the lithium ion that positive plate 106 is electrolysed out can be all
The active material coating zone of the negative plate 104 of its face is reached, cell reaction is all participated in, lithium ion is avoided to be precipitated and generate
Burr leads to battery short circuit in turn.
In order to further illustrate the beneficial effects of the utility model, it is below by way of a specification is formulated：Width is 3.5mm,
Thickness is 3mm, and the ultra-narrow lithium ion battery that length is 25mm is signal, is illustrated to the present embodiment.
Diaphragm bag band is made by the preparation process of diaphragm bag band described in embodiment 1, wherein the specification of positive plate 106 is：
The specification of 2.60mm, diaphragm bag 102 is：2.85mm, use the edge of a knife width of hot knife for 0.25 diaphragm hot-pressing equipment to every
Film bag band carries out diaphragm hot-pressing and encapsulates the first shared diaphragm edge sealing 103 to be formed between each diaphragm bag 102, is located at diaphragm
Second diaphragm edge sealing 107, the third diaphragm edge sealing 108 positioned at the second length of diaphragm bag band edge at bag the first length of band edge.
The width of each diaphragm edge sealing is respectively：0.25mm millimeters.
Using shape with the lamination jig of shape shown in Figure 11, lamination process is carried out to get width according to technique shown in Fig. 5-7
Degree is that 3.5mm obtains ultra-narrow laminated lithium ion battery.
Embodiments described above does not constitute the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution made by within the spirit and principle of mode
Within enclosing.
Claims (6)
1. a kind of diaphragm bag band suitable for lamination lithium ion, characterized in that the diaphragm bag band is in band-like, including is sequentially connected
At least two integral diaphragm bags, each diaphragm bag are rectangle, and the length edge of each diaphragm bag is facing each other flat
Two diaphragm bags of row, arbitrary neighborhood share the one first diaphragm edge sealing that about one two diaphragm hot-pressing links together,
Be packaged with positive plate in each diaphragm bag, be located at each positive plate width end tab welding portion respectively from it is described every
First length edge of film bag band stretches out.
2. the diaphragm bag band according to claim 1 suitable for lamination lithium ion, characterized in that
The width of each first diaphragm edge sealing is 0.25~1 millimeter.
3. the diaphragm bag band according to claim 1 suitable for lamination lithium ion, characterized in that
The second length edge also hot pressing opposite with first length edge is formed with upper and lower two on the diaphragm bag band
The second diaphragm edge sealing that diaphragm hot-pressing connects together.
4. the diaphragm bag band according to claim 3 suitable for lamination lithium ion, characterized in that
The width of the second diaphragm edge sealing is 0.25~1 millimeter.
5. the diaphragm bag band according to claim 1 suitable for lamination lithium ion, characterized in that
It is formed with that upper and lower two diaphragm hot-pressing connects together in the first length edge also hot pressing of the diaphragm bag band
Three diaphragm edge sealing.
6. the diaphragm bag band according to claim 5 suitable for lamination lithium ion, characterized in that
The width of the third diaphragm edge sealing is 0.25~1 millimeter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094316 | 2017-02-22 | ||
| CN2017100943165 | 2017-02-22 |
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| CN207664133U true CN207664133U (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820015179.1U Active CN207800785U (en) | 2017-02-22 | 2018-01-04 | Laminated lithium ion battery |
| CN201810009084.3A Pending CN108232088A (en) | 2017-02-22 | 2018-01-04 | Diaphragm bag band suitable for lamination lithium ion and preparation method thereof |
| CN201820014022.7U Active CN207664133U (en) | 2017-02-22 | 2018-01-04 | Diaphragm bag band suitable for lamination lithium ion |
| CN201810009225.1A Pending CN108023118A (en) | 2017-02-22 | 2018-01-04 | Laminated lithium ion battery and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820015179.1U Active CN207800785U (en) | 2017-02-22 | 2018-01-04 | Laminated lithium ion battery |
| CN201810009084.3A Pending CN108232088A (en) | 2017-02-22 | 2018-01-04 | Diaphragm bag band suitable for lamination lithium ion and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810009225.1A Pending CN108023118A (en) | 2017-02-22 | 2018-01-04 | Laminated lithium ion battery and preparation method thereof |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207800785U (en) * | 2017-02-22 | 2018-08-31 | 深圳市格瑞普电池有限公司 | Laminated lithium ion battery |
| CN109301165B (en) * | 2018-09-09 | 2021-09-17 | 南京博能自动化科技有限公司 | Die cutting and bag making integrated machine and die cutting and bag making method |
| CN109935761A (en) * | 2018-11-13 | 2019-06-25 | 万向一二三股份公司 | A kind of lithium ion battery composite pole piece and preparation method thereof |
| CN110048078B (en) * | 2019-05-23 | 2024-03-08 | 四川福来威新能源科技有限公司 | Electrode component, electrode assembly, battery cell, battery and preparation method of electrode component |
| CN112290103B (en) * | 2019-07-24 | 2021-09-17 | 北京好风光储能技术有限公司 | Preparation method and equipment of battery cell of coiled lithium slurry battery and battery cell |
| CN112563578B (en) * | 2020-12-24 | 2022-02-22 | 蜂巢能源科技有限公司 | Battery cell preparation method and battery cell |
| CN113224391A (en) * | 2021-03-24 | 2021-08-06 | 荣盛盟固利新能源科技有限公司 | Manufacturing method of laminated pole group, laminated pole group and battery |
| CN113299969A (en) * | 2021-05-24 | 2021-08-24 | 深圳吉阳智能科技有限公司 | Method and device for positioning unit piece and laminating machine |
| CN116706256B (en) * | 2023-08-04 | 2023-12-08 | 苏州赛腾精密电子股份有限公司 | Battery pole piece lamination method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646875Y (en) * | 2003-09-01 | 2004-10-06 | 比亚迪股份有限公司 | Laminated lithium ion secondary battery |
| CN101355180A (en) * | 2008-09-09 | 2009-01-28 | 吉安市优特利科技有限公司 | Electric core construct for lithium ion power cell |
| CN101783420A (en) * | 2009-05-05 | 2010-07-21 | 深圳市雄韬电源科技有限公司 | Method for manufacturing lithium ion battery lamination |
| CN101604766A (en) * | 2009-07-29 | 2009-12-16 | 吉安市优特利科技有限公司 | Lug structure of lithium-ion power battery |
| CN102361068A (en) * | 2011-10-24 | 2012-02-22 | 深圳市格瑞普电池有限公司 | Pole piece for lithium ion battery, laminated lithium ion battery and preparation method of laminated lithium ion battery |
| CN104900905A (en) * | 2015-06-03 | 2015-09-09 | 深圳市迪凯特电池科技有限公司 | Laminated lithium ion battery and production process thereof |
| CN204741041U (en) * | 2015-06-29 | 2015-11-04 | 中山市世豹新能源有限公司 | Ultra high power system pocket type lamination lithium ion battery structure |
| CN104953171A (en) * | 2015-06-30 | 2015-09-30 | 深圳市博亿能科技有限公司 | Lithium ion battery |
| CN106252732A (en) * | 2016-08-17 | 2016-12-21 | 吉安市优特利科技有限公司 | The manufacture method of lithium-ion-power cell |
| CN207800785U (en) * | 2017-02-22 | 2018-08-31 | 深圳市格瑞普电池有限公司 | Laminated lithium ion battery |
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2018
- 2018-01-04 CN CN201820015179.1U patent/CN207800785U/en active Active
- 2018-01-04 CN CN201810009084.3A patent/CN108232088A/en active Pending
- 2018-01-04 CN CN201820014022.7U patent/CN207664133U/en active Active
- 2018-01-04 CN CN201810009225.1A patent/CN108023118A/en active Pending
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|---|---|
| CN108023118A (en) | 2018-05-11 |
| CN207800785U (en) | 2018-08-31 |
| CN108232088A (en) | 2018-06-29 |
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