CN203521496U - Apple-shaped large-power polymer lithium battery - Google Patents
Apple-shaped large-power polymer lithium battery Download PDFInfo
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- CN203521496U CN203521496U CN201320547086.0U CN201320547086U CN203521496U CN 203521496 U CN203521496 U CN 203521496U CN 201320547086 U CN201320547086 U CN 201320547086U CN 203521496 U CN203521496 U CN 203521496U
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- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- 229920000642 polymer Polymers 0.000 title abstract 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 5
- 229920006255 plastic film Polymers 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 1
- 235000005291 Rumex acetosa Nutrition 0.000 description 1
- 240000007001 Rumex acetosella Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000006257 cathode slurry Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002931 mesocarbon microbead Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 235000003513 sheep sorrel Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses an apple-shaped large-power polymer lithium battery. The apple-shaped large-power polymer lithium battery comprises a shell and a battery core, wherein the battery core comprises a positive polar plate, a negative polar plate and a diaphragm; the positive polar plate, the negative polar plate and the diaphragm are all apple-shaped sheets; the apple-shaped sheet shape is a sheet shape which takes a circular sheet as a base material, is cut along upper and lower parallel chords and is provided with parallel upper chord edge and lower chord edge and circular-arc edges on the two sides; the positive polar plate or the negative polar plate is connected with a positive polar lug or a negative polar lug of the battery in a welding manner; the positive polar lug is located in the middle of the positive polar plate and the negative polar lug is located in the middle of the negative polar plate; the positive polar lug and the negative polar lug are respectively located at the upper chord edge and the lower chord edge of the battery. The apple-shaped large-power polymer lithium battery is applicable to a using carrier with a special requirement on a battery appearance and the utilization of a using space is maximized, so that the volume energy density is improved; the current density distribution is very uniform when the battery is discharged under high current; the high-rate discharging property of the battery is improved and the 30Ah-50Ah large-power polymer lithium battery can be manufactured.
Description
Technical field
The utility model belongs to the technical field of lithium ion battery, refers in particular to a kind of high-power poly-lithium battery that special carrier (as the round carrier that contains curved surface) requires special shape that is applicable to.
Background technology
Lithium ion battery is novel green high-capacity secondary cell, has the advantages such as energy density is high, self discharge is little, long service life.In recent years; along with social development and petroleum-based energy crisis; the application of lithium ion battery has expanded to the fields such as power, energy storage, aviation, navigation; maximum utilization for implementation space; some operation carriers can have special structure, as the circle that contains curved surface operation carrier, in order to realize the high-energy-density of battery and the maximum utilization in space; with regard to inevitable requirement battery, there is special outward appearance, so the poly-lithium battery of the distinctive appearance that contains curved surface is attracted wide attention.
The lithium ion battery that the aluminum plastic film of take is shell is made generally in rectangular cell, and as shown in Figure 1, traditional lithium battery 10 is the square of rule.First, four limits of tradition lithium battery are all straight flanges, there is no curved side, when with charge carrier being circular (or oval), conventional batteries is put in round carrier, between its four straight flanges and circular curved surface, unavoidably there is certain distance, this just causes space waste, reduced volume energy density, and carrier is larger, wasting space is also just larger.Secondly, when four jiaos of traditional lithium battery contact with the curved surface of round carrier, can cause four jiaos, battery stressed excessive, when battery is collided, battery is damaged, and outside air enters, and causes battery to be scrapped, even the contact of inside battery positive/negative plate causes battery burning, conventional batteries lug 20 is distributed in the homonymy of battery 10 simultaneously, when heavy-current discharge, because lug is at homonymy, causes current density to announce uneven, battery-heating is serious, and its high rate performance and cycle performance are poor.
Utility model content
In order to solve existing technological deficiency, the purpose of this utility model is to provide a kind of apple shape high-power poly-lithium battery, is applicable to battery outward appearance to have the operation carrier of specific (special) requirements.
To achieve these goals, the technical solution of the utility model is:
The high-power poly-lithium battery of a kind of apple shape, comprise shell and battery, described battery comprises positive plate, negative plate and barrier film, positive plate and negative plate form pole piece group, between positive plate and negative plate, being provided with barrier film separates, positive plate, the shape of negative plate and barrier film is all apple shape sheet, so-called apple shape sheet is to take circular piece to cut as base material and along the flat-cut of upper and lower two flat shapes the sheet with parallel wind up limit and lower edge limit and both sides arc-shaped edges forming, positive plate or negative plate connect anode ear or the negative electrode lug of battery by the mode of welding, anode ear is positioned at the middle part of positive plate, negative electrode lug is positioned at the middle part of negative plate, anode ear and negative electrode lug lay respectively at wind up limit and the lower edge limit of battery, make battery electric current distribution when heavy-current discharge more even, thereby reduce battery too high temperature in surface when heavy-current discharge, improve the performance of heavy-current discharge.
Described shell is the aluminum plastic film that adopts PP layer, Al layer and nylon layer to be composited, and by punching press, forms.
Described battery is comprised of a plurality of monolithic battery core stacks, and each monolithic battery core is the lamination mode that adopts one side positive plate-barrier film-two-sided negative plate-barrier film-one side positive plate.
Described barrier film is selected PP/PE/PP three-layer composite structure, by dipping process, processes, and can improve battery safety, and battery is not prone to and expands and distortion in charge and discharge process simultaneously.
Described anode ear adopts purity at 99% ± 5% fine aluminium sheet, and its thickness is at 0.2-0.3mm, and negative electrode lug adopts the pure copper sheet that purity is 99% ± 5%, and thickness is 0.2-0.3mm, can meet the heavy-current discharge performance of battery.
Adopt after such scheme, the utility model compared with prior art, tool has the following advantages and beneficial effect: one, the appearance design of apple shape, comprise parallel wind up limit and lower edge limit and both sides arc-shaped edges, can meet the requirement of special carrier (if edge is circular arc) to battery outward appearance, when being circle with charge carrier, make the circular arc of its both sides and comprehensively contacting of carrier, the maximum utilization of implementation space, make battery more extensive in the application of every profession and trade, improve the space availability ratio of battery, improved the volume energy density of battery; Two, the position of the anode ear of battery and negative electrode lug is moved to middle position, both sides by both sides, the same side, and from positive plate and negative plate, draw respectively, avoid the excess Temperature at conventional batteries battery pole ear place when heavy-current discharge, affect the heavy-current discharge performance of battery, battery can meet the high magnification continuous discharge performance of 10C-30C, can be made into the high-power poly-lithium battery of 30-50Ah.
The advantages such as in a word, the utility model battery is poly-lithium battery, has large capacity, high power, high-energy-density, memory-less effect, and self-discharge rate is little, designs dexterous overall dimensions, and security performance is good.
Accompanying drawing explanation
Fig. 1 is traditional battery structure schematic diagram;
Fig. 2 is the structural representation of the utility model battery;
Fig. 3 is the exploded view one of the utility model battery;
Fig. 4 is the exploded view two of the utility model battery;
Fig. 5 is fabrication processing figure of the present utility model;
Fig. 6 is battery multiplying power discharging curve of the present utility model.
Label declaration
Limit 40 lower edge limit 50 arc-shaped edges 60 wind up
Positive plate 1 negative plate 2 barrier films 3
Anode ear 4 negative electrode lugs 5.
Embodiment
The high-power poly-lithium battery of a kind of apple shape that the utility model discloses, comprise shell and battery, as shown in Fig. 2 and Fig. 3,4, described battery is comprised of n monolithic battery core, described monolithic battery core is comprised of the positive plate 1 of two one sides, negative plate 2 and barrier film 3, in the middle of negative plate 2 is positioned at, the positive plate 1 of an one side of both sides stack, positive plate 1 have cathode film one facing to inner be negative plate 2, positive plate 1 and negative plate 2 form pole piece group, be provided with barrier film 3 and separate between positive plate 1 and negative plate 2, positive plate 1, the shape of negative plate 2 and barrier film 3 is all apple shape sheet, so-called apple shape sheet is to take circular piece 30 as base material, by laser lamina membranacea, by certain procedures, control and carry out laser cutting, flat-cut along upper and lower two flat shapes cuts parallel wind up limit 40 and lower edge limit 50 and the both sides arc-shaped edges 60 of having forming, positive plate 1 or negative plate 2 connect anode ear 4 or the negative electrode lug 5 of battery by the mode of welding, anode ear 4 is positioned at the middle part of positive plate 1, negative electrode lug 5 is positioned at the middle part of negative plate 2, like this, the overall appearance of battery is as an apple, applicable being placed in the battery carrier of specific (special) requirements, to realize the maximum utilization of battery space.
Simultaneously, the anode ear 4 of this embodiment and negative electrode lug 5 lay respectively at wind up limit 40 and the lower edge limit 50 of battery, make battery electric current distribution when heavy-current discharge more even, prevent the polarization resistance of battery, thereby reduce battery too high temperature in surface when heavy-current discharge, improve performance and the security performance of heavy-current discharge.
And the shell of this embodiment is the aluminum plastic film that adopts PP layer, Al layer and nylon layer to be composited, and forms by punching press.
The anode ear 4 of this embodiment adopts purity at 99% ± 5% fine aluminium sheet, and its thickness is at 0.2-0.3mm, and negative electrode lug 5 adopts the pure copper sheet that purity are 99% ± 5%, and thickness is 0.2-0.3mm.
The barrier film of this embodiment is selected PP/PE/PP three-layer composite structure, by dipping process, process, with bonding agent (Kynoar-hexafluoropropylene, PVDF-HFP), plasticiser (dibutyl phthalate, DBP) uniform sizing material that mixes system with acetone is coated on (PP-PC-PE) three layers of compound barrier film and makes, can improve battery safety, battery is not prone to and expands and distortion in charge and discharge process simultaneously.
In addition, battery adopts the stacked manufacture craft of BI-CELL, make the utility model can be made into the high-power poly-lithium battery of 30-50 Ah, have large capacity, high power, high-energy-density, memory-less effect, self-discharge rate is little, designs dexterous overall dimensions, the advantages such as security performance is good, while good processability, manufacture method is simple, can be mass-produced.
Fabrication processing of the present utility model as shown in Figure 5.
One, the preparation of slurry
The preparation of anode sizing agent: positive active material cobalt acid lithium or ternary (LCO, NCM) 77.5%-85%, conductive black 4%-8%, plasticiser 8.5%-12%(dibutyl phthalate, DBP), binding agent 10%-15%(Kynoar-hexafluoropropylene, PVDF-HFP), acetone internal solvent (addition of acetone is to make the mass fraction of PVDF-HFP reach 12% left and right), be mixed into uniform slurry;
The preparation of cathode size: negative electrode active material (MCMB) 76%-83%, conductive black 5%-8%, plasticiser 12%-15%(dibutyl phthalate, DBP), binding agent 7%-12%(Kynoar-hexafluoropropylene, PVDF-HFP), acetone internal solvent (addition of acetone is to make the mass fraction of PVDF-HFP reach 12% left and right), be mixed into uniform slurry.
Two, coating
The anode and cathode slurry preparing, evenly continuous to be coated in PET upper, by designing requirement control be coated with surface density and thickness.
Three, collector preliminary treatment
By the electric conducting material of collection liquid surface coating film, it is mainly the surface treatment of anodal aluminium net, one deck is evenly coated in to aluminium containing the polypropylene sorrel slurry of conductive agent online, the thickness 6-8m μ m of coating, with the intensity and the conductivity that guarantee that cathode film and aluminium anastomose close, negative copper foil of affluxion body can not process.
Four, roll-in
Coated cathode film and the aluminium net handled well are carried out to the compound positive plate that makes one side, by coated negative electrode film and Copper Foil is compound makes two-sided negative plate, then by designing requirement, positive negative film is rolled into certain thickness.
Five, cut-parts
Carry out laser cutting, by the desired size of designing requirement, cut out required positive/negative plate, positive/negative plate burr is minimum, reduces the potential safety hazard of internal short-circuit of battery and self discharge.
Six, membrane treatment
By binding agent (Kynoar-hexafluoropropylene, PVDF-HFP) 7%, plasticiser 9%(dibutyl phthalate, DBP), the slurry stirring in accounting for mass fraction 84% acetone solvent, then be coated in on (PP-PC-PE) three layers of compound barrier film, make the barrier film through special processing.
Seven, monolithic battery core
Positive plate and negative plate adopt the mode of lamination, get positive plate and the two-sided negative plate of a slice of two one sides, by the mode of positive pole-barrier film-negative pole-barrier film-positive pole, build up a monolithic battery core, then monolithic battery core respectively pads up and down one deck PET and on hot press, carries out heat and make monolithic battery core after compound.
Eight, extraction
Monolithic battery core in the extracting system of methyl alcohol moisture content≤800PPM by DBP(dibutyl phthalate) extract.
Nine, assembly welding
By designing requirement, get some monolithic battery cores and carry out lamination, then positive and negative lug is welded on both positive and negative polarity pole piece, be assembled into battery core; Wherein anode ear adopts purity at the fine aluminium sheet of 99% left and right, and its thickness is at 0.2-0.3mm, and it is the pure copper sheet of 99% left and right that negative electrode lug adopts purity, and thickness is 0.2-0.3mm.
Ten, encapsulation
Battery core is packed in the aluminum plastic film packaging bag of forming, then carry out closedtop and side seal, reserve air bag in order to liquid feeding.
11, dry, the liquid feeding of battery core
Battery core is placed in drying box and is dried, and temperature is controlled at 80 ± 5 ℃, then under humidity < 3%RH, carries out liquid feeding, and selected electrolyte is functional form high magnification electrolyte.
12, the sealing that changes into, bleeds
Change into the first charge-discharge process to battery with little electric current that refers to, the sealing of bleeding changes into battery with special-purpose large battery core air exhauster the gas extraction of middle generation, then seals, and requires battery to have certain hardness, and inside battery does not have gas.
13, partial volume, moulding
Partial volume refers to the actual capacity of test battery, and whether the capacity of seeing is up to standard, finally the air bag sideline judge of battery is fallen, and to battery flanging, finally makes after moulding to obtain battery.
Battery multiplying power discharging curve of the present utility model as shown in Figure 6.
Claims (5)
1. the high-power poly-lithium battery of apple shape, it is characterized in that: comprise shell and battery, described battery comprises positive plate, negative plate and barrier film, positive plate and negative plate form pole piece group, between positive plate and negative plate, being provided with barrier film separates, positive plate, the shape of negative plate and barrier film is all apple shape sheet, so-called apple shape sheet is to take circular piece to cut as base material and along the flat-cut of upper and lower two flat shapes the sheet with parallel wind up limit and lower edge limit and both sides arc-shaped edges forming, positive plate or negative plate connect anode ear or the negative electrode lug of battery by the mode of welding, anode ear is positioned at the middle part of positive plate, negative electrode lug is positioned at the middle part of negative plate, anode ear and negative electrode lug lay respectively at wind up limit and the lower edge limit of battery.
2. the high-power poly-lithium battery of a kind of apple shape as claimed in claim 1, is characterized in that: described shell is the aluminum plastic film that adopts PP layer, Al layer and nylon layer to be composited, and by punching press, forms.
3. the high-power poly-lithium battery of a kind of apple shape as claimed in claim 1, it is characterized in that: described battery is comprised of a plurality of monolithic battery core stacks, and each monolithic battery core is the lamination mode that adopts one side positive plate-barrier film-two-sided negative plate-barrier film-one side positive plate.
4. the high-power poly-lithium battery of a kind of apple shape as claimed in claim 1, is characterized in that: described barrier film is selected PP/PE/PP three-layer composite structure.
5. the high-power poly-lithium battery of a kind of apple shape as claimed in claim 1, it is characterized in that: described anode ear adopts purity at 99% ± 5% fine aluminium sheet, its thickness is at 0.2-0.3mm, and negative electrode lug adopts the pure copper sheet that purity is 99% ± 5%, and thickness is 0.2-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547086.0U CN203521496U (en) | 2013-09-04 | 2013-09-04 | Apple-shaped large-power polymer lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547086.0U CN203521496U (en) | 2013-09-04 | 2013-09-04 | Apple-shaped large-power polymer lithium battery |
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| Publication Number | Publication Date |
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| CN203521496U true CN203521496U (en) | 2014-04-02 |
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| CN201320547086.0U Expired - Lifetime CN203521496U (en) | 2013-09-04 | 2013-09-04 | Apple-shaped large-power polymer lithium battery |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167524A (en) * | 2014-08-09 | 2014-11-26 | 惠州市超聚科技有限公司 | Lithium battery and production method thereof |
| CN105161755A (en) * | 2015-09-01 | 2015-12-16 | 长兴天宏锂电科技有限公司 | Manufacturing method of environment-friendly high-current rechargeable and dischargeable polymer battery |
| CN108400336A (en) * | 2018-03-17 | 2018-08-14 | 东华理工大学 | A kind of high-safety polymer lithium ion battery anode glue size and preparation method thereof and lithium ion battery |
| CN111341947A (en) * | 2020-03-13 | 2020-06-26 | 深圳市拓邦锂电池有限公司 | Special-shaped high-rate battery and preparation method thereof |
| WO2021051653A1 (en) * | 2019-09-19 | 2021-03-25 | 宁德新能源科技有限公司 | Battery |
-
2013
- 2013-09-04 CN CN201320547086.0U patent/CN203521496U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167524A (en) * | 2014-08-09 | 2014-11-26 | 惠州市超聚科技有限公司 | Lithium battery and production method thereof |
| CN104167524B (en) * | 2014-08-09 | 2018-06-26 | 惠州市超聚科技有限公司 | A kind of lithium battery and its production method |
| CN105161755A (en) * | 2015-09-01 | 2015-12-16 | 长兴天宏锂电科技有限公司 | Manufacturing method of environment-friendly high-current rechargeable and dischargeable polymer battery |
| CN108400336A (en) * | 2018-03-17 | 2018-08-14 | 东华理工大学 | A kind of high-safety polymer lithium ion battery anode glue size and preparation method thereof and lithium ion battery |
| WO2021051653A1 (en) * | 2019-09-19 | 2021-03-25 | 宁德新能源科技有限公司 | Battery |
| US11742554B2 (en) | 2019-09-19 | 2023-08-29 | Ningde Amperex Technology Ltd. | Battery |
| CN111341947A (en) * | 2020-03-13 | 2020-06-26 | 深圳市拓邦锂电池有限公司 | Special-shaped high-rate battery and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170329 Address after: 361000 Fujian Free Trade Zone, Xiamen, one of the world trade zone, one of the wells on the ground floor, Patentee after: XTC NEW ENERGY MATERIALS (XIAMEN) Ltd. Address before: 361000 Haicang District, Fujian, Xiamen Patentee before: XIAMEN TUNGSTEN Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 Fujian Free Trade Zone, Xiamen, one of the world trade zone, one of the wells on the ground floor, Patentee after: Xiamen xiaw new energy materials Co.,Ltd. Address before: 361000 Fujian Free Trade Zone, Xiamen, one of the world trade zone, one of the wells on the ground floor, Patentee before: XTC NEW ENERGY MATERIALS (XIAMEN) Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |