CN208690414U - A kind of bending polymer Li-ion battery - Google Patents
A kind of bending polymer Li-ion battery Download PDFInfo
- Publication number
- CN208690414U CN208690414U CN201821169793.XU CN201821169793U CN208690414U CN 208690414 U CN208690414 U CN 208690414U CN 201821169793 U CN201821169793 U CN 201821169793U CN 208690414 U CN208690414 U CN 208690414U
- Authority
- CN
- China
- Prior art keywords
- positive
- ion battery
- shell
- negative
- battery according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model relates to a kind of bending polymer Li-ion battery, including soft shell, positive and negative plate is filled in the soft shell；The positive and negative plate is punched out using punching cutter, is washed into several electrode slices of grid shape；The positive plate is punched into fixed-grid shape, and wherein there are empty foils for one end；The negative electrode tab is punched into fixed-grid shape, and wherein there are empty foils for one end；The positive plate and the left a blank foil of negative electrode tab are that the positive/negative plate for transfer electrode lug, after punching forms battery packet by the way of lamination assembling, and the battery packet is placed in molding flexible shell, is sealed to shell, and flexibility battery core is made.The present invention makes simple, practical, easy to produce flexible polymer lithium-ion electric core, is suitable for each mobile device and wearable device.
Description
Technical field
The present invention relates to technical field of lithium ion, and in particular to a kind of polymer Li-ion battery.
Background technique
Lithium ion is with its high-energy density, the advantages that high working voltage, long circulation life Environmental Safety, all the time
Largely universal use is obtained in portable electronic product.As electronics industry continues to develop, portable consumer electronics product function
Can be more and more, increasingly improve powerful, especially the appearance of smart phone, tablet computer, wearable device, function are strong
Greatly, component is various, larger to electrical demand, and charge and discharge number is frequent, to the battery energy density that random fit arrives, recycles the longevity
Life, security performance requirement is higher and higher, and mobile device, wearable device lithium ion battery external form type are more.
Summary of the invention
The purpose of the present invention is for existing technology vacancy, provide a kind of flexible polymer flexible package aluminum plastic film polymer lithium from
Sub- battery, make it is simple, practical, it is easy to produce and be suitable for each mobile device and wearable device.
In order to solve the above technical problems, present invention provide the technical scheme that
A kind of bending polymer Li-ion battery, including soft shell are filled with positive and negative plate in the soft shell；
The positive and negative plate is punched out using punching cutter, is washed into several electrode slices of grid shape；The positive plate is punched into solid
Determine grid shape, wherein there are empty foils for one end；The negative electrode tab is punched into fixed-grid shape, and wherein there are empty foils for one end；Institute
Stating positive plate and the left a blank foil of negative electrode tab is that the positive/negative plate for transfer electrode lug, after punching is formed by the way of lamination assembling
The battery packet is placed in molding flexible shell, is packaged to shell by battery packet.
Further, the grid shape is to intersect prismatic.
The outer housing is flexible shell, it is preferred that using comprising PP, PE, PET, nylon and with the flexible material of metal layer,
Such as aluminum plastic film, steel plastic film.
The positive and negative electrode electrode is electrode slice made from traditional lithium-ion battery material, by being punched into regular grid
Shape.
The positive and negative anodes combination assembling mode is lamination, and the diaphragm and anode form overall structure.
The diaphragm is adopted as PP, PE or PP and PE mixed materials diaphragm, membrane surface be coated with PAA or PVDF or PAA,
The coat that the mixture of PVDF and ceramic powder is formed.
It is lattice-shaped that hull shape shape is rushed in the shell molding.
Grid length a in electrode slice is 8-20mm, and grid height b is 2-8mm；The positive and negative plate grid staggered row
Column.
The thickness C of the soft shell is 0.07~0.15mm.
The thickness T of bending polymer Li-ion battery obtained is 0.5~3.0mm.
Compared with prior art, the beneficial effects of the present invention are:
The present invention mainly uses laminated type technique, and positive electrode and negative electrode all use punching cutter to be punched out into prismatic
Lattice-shaped, positive and negative anodes use diaphragm paper to be dielectrically separated from before, and foil of leaving a blank at the top of electrode slice carries out transfer electrode lug.Lamination is made
Core packet be placed in the grid shell of forming and be packaged obtained battery core, battery core is because electrode and shell intersect prismatic point
Cloth, the flexible battery core of the bending are mainly reflected in and forward and reverse can be bent, and internal electrode will not be damaged during curved.
The battery core of flexible bending is applicable to each field of mobile equipment, especially has higher applicability in wearable device.
Detailed description of the invention
Fig. 1: the structural schematic diagram of positive plate, negative electrode tab.
Fig. 2: the structural schematic diagram of battery end socket.
Fig. 3: battery case schematic diagram.
Fig. 4: the assembly schematic perspective view of battery packet.
Fig. 5: finished battery schematic diagram.
Fig. 6: finished battery pictorial diagram.
In figure: the first heat-sealing head of 1-, the second heat-sealing head of 2-, the first soft shell of 3-, 4- positive plate, 5- diaphragm, 6- cathode
Piece, the second soft shell of 7-.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
A kind of round flexible bending lithium ion battery, including the first soft shell 3, the second soft shell 7, the soft shell
Inside it is filled with positive plate 4, negative electrode tab 6；One external anode ear in end of the electrode film tab, one of the negative electrode tab
The external negative electrode lug in end；Diaphragm 5 is separated between positive plate and negative electrode tab, lamination assembling is shaped to battery packet；The battery
Core packet is installed on the first soft shell 3, and in the second soft shell 7, the positive and negative tab is drawn above flexible shell, described
The second heat-sealing head 2 of flexible shell, the first heat-sealing head 1 are packaged.
Grid length a in the electrode slice is 8-20mm, and grid height b is 2-8mm.The negative and positive negative electrode tab grid is handed over
Mistake arrangement.The thickness C of the soft shell is 0.07~0.15mm.The flexible bending lithium ion battery thickness T be 0.5~
3.0mm。
The positive and negative plate of the present invention for using punching cutter to be punched applies for the pole piece coated with electrode active material
It covers adoptable material and method is techniques well known, be not specifically noted herein.
Battery capacity, the size of flexible bending lithium ion battery are measured below, used material etc. is specific interior
Hold is only to carry out measuring to the flexible type lithium ion battery of invention to be illustrated, and non-specifically limit.
Embodiment 1
By positive active material LiCo2, positive electrode binder PVDF, conductive agent carbon black, solvent NMP is with ratio 100:
1.6.1.2:45 batching mode ingredient is mixed to prepare slurry, and slurry is coated uniformly on aluminium foil collection using transfer coated mode
On fluid it is two-sided and dry, roll, cut after be prepared into anode pole piece.Negative electrode active material graphite, is born cathode dispersing agent C MC
Pole binder SBR, conductive agent conductive carbon black and the aqueous solvent ingredient in a manner of ratio 100:2:3:2:90 are mixed to prepare slurry.It will
Slurry is coated uniformly on two-sided in copper foil current collector and dried, rolled using transfer coated mode, be punched after be prepared into thickness
100um, charge level product is 10cm2,2 layers of the number of plies, corresponding cathode have the identical number of plies, correspond to that negative electrode is wide and height all standing
More than anode.
Positive and negative plate obtained above and diaphragm (PP/PE/PP) are pressed into lamination process into a square by certain together
Lithium-ion electric core, the lithium ion battery for entering to be made to have after shell (plastic-aluminum packaging film is formed), fluid injection electrolyte.After being melted into advance.
Exhaust sealing, trimming, room temperature stand 3 days after, sorting capacity (charging: 0.5 charges to 4.35V, and constant-voltage charge to electric current is less than
0.02C, electric discharge with 0.5C are discharged to 3.0V) it 3.86V is charged to 0.5C measures its thickness and capacity, finished product electricity
Pond.
Embodiment 2
Raw material used by the present embodiment and embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this example provide thickness 100um, have charge level product to be 10cm2, and 4 layers of the number of plies, corresponding cathode have the identical number of plies, correspond to negative electricity
Extremely wide and height all standing is more than anode.
Embodiment 3
Raw material used by the present embodiment and embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this example provide thickness 100um, have charge level product to be 10cm2, and 6 layers of the number of plies, corresponding cathode have the identical number of plies, correspond to negative electricity
Extremely wide and height all standing is more than anode.
Embodiment 4
Raw material used by the present embodiment and embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this example provide thickness 100um, have charge level product to be 10cm2, and 7 layers of the number of plies, corresponding cathode have the identical number of plies, correspond to negative electricity
Extremely wide and height all standing is more than anode.
Embodiment 5
Raw material used by the present embodiment and embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this this example provide thickness 100um, have charge level product to be 10cm2, and 9 layers of the number of plies, corresponding cathode have the identical number of plies, correspond to negative
Electrode is wide and height all standing is more than anode.
Table 1
As shown in Table 1, normal using lithium ion battery prepared by the present invention and thickness measurement, the electricity of the novel offer of the present invention
Pole production method and all great operability use of battery appearance and practical application.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, any ripe
Professional and technical personnel is known, without departing from the scope of the present invention, according to the technical essence of the invention, to the above reality
Any simple modifications, equivalent substitutions and improvements etc. made by example are applied, it is fallen within the scope of protection of the technical scheme of the present invention
It is interior.
Claims (9)
1. a kind of bending polymer Li-ion battery, it is characterised in that: including soft shell, be filled in the soft shell
Positive and negative plate；The positive and negative plate is punched out using punching cutter, is washed into several electrode slices of grid shape；The anode
Piece is punched into fixed-grid shape, and wherein there are empty foils for one end；The negative electrode tab is punched into fixed-grid shape, and wherein one end is stayed
There is free foil；The positive plate and the left a blank foil of negative electrode tab are that the positive/negative plate for transfer electrode lug, after punching uses lamination assembling
Mode form battery packet, the battery packet is placed in molding flexible shell, shell is packaged.
2. bending polymer Li-ion battery according to claim 1, it is characterised in that: the grid shape is to intersect rib
Shape.
3. bending polymer Li-ion battery according to claim 1, it is characterised in that: the outer housing is flexible shell,
Using comprising PP, PE, PET, nylon and with the flexible material of metal layer.
4. bending polymer Li-ion battery according to claim 1, it is characterised in that: the positive and negative electrode electrode is
Electrode slice made from lithium ion battery material, by being punched into regular lattice-shaped.
5. bending polymer Li-ion battery according to claim 1, it is characterised in that: the positive and negative anodes combine assembling side
Formula is lamination, and diaphragm and anode form overall structure.
6. bending polymer Li-ion battery according to claim 1, it is characterised in that: hull shape shape is rushed in the shell molding
For lattice-shaped.
7. bending polymer Li-ion battery according to claim 1, it is characterised in that: the grid length a in electrode slice
It is 2-8mm for 8-20mm, grid height b；The positive and negative plate grid is staggered.
8. bending polymer Li-ion battery according to claim 1, it is characterised in that: the thickness C of the soft shell
For 0.07~0.15mm.
9. bending polymer Li-ion battery according to claim 1, it is characterised in that: bending polymer lithium obtained from
The thickness T of sub- battery is 0.5~3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169793.XU CN208690414U (en) | 2018-07-24 | 2018-07-24 | A kind of bending polymer Li-ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169793.XU CN208690414U (en) | 2018-07-24 | 2018-07-24 | A kind of bending polymer Li-ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690414U true CN208690414U (en) | 2019-04-02 |
Family
ID=65881778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821169793.XU Active CN208690414U (en) | 2018-07-24 | 2018-07-24 | A kind of bending polymer Li-ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690414U (en) |
-
2018
- 2018-07-24 CN CN201821169793.XU patent/CN208690414U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208690415U (en) | A kind of flexible lithium ion battery | |
| CN104882587B (en) | Positive electrode for nonaqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery | |
| CN103413975B (en) | Lithium nickel cobalt manganate cylindrical high-rate battery and preparation method thereof | |
| CN108598559A (en) | a kind of flexible lithium ion battery | |
| CN100546075C (en) | High power plastic-aluminum flexible packing lithium ionic cell | |
| CN102683752B (en) | Stacked lithium ion power battery and manufacturing method thereof | |
| CN103779579A (en) | Lithium battery negative electrode sheet and preparation method thereof as well as lithium battery preparation method | |
| US20200099019A1 (en) | Aluminum Laminated Packaging Film, and Lithium-Ion Battery Using Same | |
| JPWO2012014780A1 (en) | Bipolar electrode, bipolar secondary battery using the same, and method of manufacturing bipolar electrode | |
| US11296325B2 (en) | Electrode for secondary battery including electrode protecting layer | |
| CN103035954A (en) | Winding lithium ion battery and fabrication method thereof | |
| CN101944635A (en) | High-power lithium-ion secondary battery and manufacturing method thereof | |
| CN109103494A (en) | A kind of flexible polymer Li-ion battery group | |
| CN206340617U (en) | A kind of circular ring type lithium ion battery | |
| CN109888162A (en) | Have gluing structure battery core of embedded tab and preparation method thereof and lithium battery | |
| CN208690413U (en) | A kind of flexible polymer Li-ion battery group | |
| CN102024990A (en) | Method for manufacturing cells of power lithium ion batteries | |
| CN203434247U (en) | Nickel cobalt lithium manganate cylindrical high-magnification battery | |
| CN103367700B (en) | Lithium ion secondary battery cathode and lithium rechargeable battery | |
| CN217740617U (en) | Battery, electronic product and electric vehicle | |
| CN208690414U (en) | A kind of bending polymer Li-ion battery | |
| EP3131149B1 (en) | Flat-type secondary battery | |
| CN107799799A (en) | Battery bag | |
| CN207489927U (en) | A kind of polymer based electrolyte all-solid lithium-ion battery | |
| CN206293555U (en) | A kind of flexible package graphene lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |