CN106207195A - A kind of stacked flexible battery and preparation method thereof - Google Patents
A kind of stacked flexible battery and preparation method thereof Download PDFInfo
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- CN106207195A CN106207195A CN201610833979.XA CN201610833979A CN106207195A CN 106207195 A CN106207195 A CN 106207195A CN 201610833979 A CN201610833979 A CN 201610833979A CN 106207195 A CN106207195 A CN 106207195A
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
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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
- H01M10/052—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
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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
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
A kind of stacked flexible battery and preparation method thereof, (1) punches out positive pole carrying object；Positive pole carrying object includes plural positive pole current carrying lug, positive strap and positive pole ear welding sheet, is connected by positive strap between adjacent positive current carrying lug；(2) negative pole carrying object is punched out；Negative pole carrying object includes plural negative pole current carrying lug, negative straps and negative lug welding sheet, is connected by negative straps between adjacent cathode current carrying lug；(3) at the surface-coated positive electrode of positive pole current carrying lug, at the surface-coated negative material of negative pole current carrying lug；(4) utilizing lamination process by positive pole carrying object, negative pole carrying object and barrier film stratification battery core, positive pole current carrying lug overlaps with the stratification position of negative pole current carrying lug, overlapped positive pole current carrying lug and negative pole current carrying lug composition battery core monomer；(5) battery core is put in aluminum plastic film it is packaged.The present invention improves the crooking ability of flexible battery, improves the space availability ratio of flexible battery, improves the safety of flexible battery.
Description
Technical field
The present invention relates to lithium ion battery, a kind of stacked flexible battery and preparation method thereof.
Background technology
Electronic equipment generally exists in society, and from Portable mobile phone to wrist-watch, electronic equipment is the most visible.These electronics
Equipment is much required for certain compact power.The form factor much with uniqueness in these electronic equipments, therefore,
The compact power of any one electronic equipment possibly cannot be assembled in any other electronic equipment.Additionally, these uniquenesses
Form factor it is frequently necessary to flexible battery and arranges, and conventional batteries group is the firmest, repeatedly bending they may cause electricity
Pool unit damages and battery failures.The result attempting accommodating non-flexible cells group is that the package dimension of portable electric appts can
Can be undesirable.Along with wearable smart machine is fast-developing, need to research and develop and can meet its " thin, different in nature, bent, energy density is high "
Etc. feature flexible battery for it.
Existing appearance a lot of flexible battery group, if China Patent Publication No. is 103959480 makes in electronic equipment
Flexible battery group, this flexible battery can include multiple battery unit, and set of cells can also include being coupled to battery unit
Multiple laminate layers, multiple laminate layers include top laminate layer and bottom layer laminate layer, it is possible to use binding agent is by top laminate layer
It is coupled with bottom layer laminate layer so that each in multiple battery units is isolated from each other.And for example Chinese patent is open
Number being a kind of flexible battery group and the manufacture method thereof of 103824985, flexible battery group includes: aluminum plastic film, sets in the width direction
The multiple punching holes put, multiple batteries, each battery has battery core, positive pole ear and negative lug and the electrolyte injected, many
The positive pole ear of individual battery links together, mutually isolated between adjacent battery；And polylith silica gel, each silica gel passes through glue
The aluminum plastic film of the side rushing hole of the battery adjacent with its both sides and the plastic-aluminum rushed between hole with two adjacent batteries
Film is bonding.
These flexible battery cores generally use the outside also cascaded structure of the many independent monomers of inside battery at present, meet it flexible
Feature.But the therefore internal many independent monomers of class formation, external connection, so real space utilization rate is relatively low, flexible structure bending
Limited in one's ability.
Summary of the invention
The technical problem to be solved is to provide a kind of stacked flexible battery and preparation method thereof, improves flexibility
The crooking ability of battery, improves the space availability ratio of flexible battery, improves the safety of flexible battery.
For solving above-mentioned technical problem, the technical scheme is that a kind of stacked flexible battery, including by positive pole pole
Sheet, cathode pole piece and barrier film are by the battery core being laminated and the aluminum plastic film wrapping up described battery core；Described anode pole piece just includes
Pole carrying object, described positive pole carrying object includes two or more positive pole spaced apart from each other current carrying lug, is arranged on adjacent positive current carrying lug
Between positive strap and be arranged on positive pole carrying object head positive pole ear welding sheet, pass through between adjacent positive current carrying lug
Positive strap is connected, and described positive pole current carrying lug, positive strap and positive pole ear welding sheet are integrated punching molding, described just
The surface-coated of pole current carrying lug has positive electrode；Described cathode pole piece includes that negative pole carrying object, described negative pole carrying object include two
Individual above negative pole current carrying lug spaced apart from each other, the negative straps being arranged between adjacent cathode current carrying lug and be arranged on negative pole and carry
The negative lug welding sheet of fluid header, is connected by negative straps between adjacent cathode current carrying lug, described negative pole current carrying lug,
Negative straps and negative lug welding sheet are integrated punching molding, and the surface-coated of described negative pole current carrying lug has negative material；
Positive pole current carrying lug overlaps with the stratification position of negative pole current carrying lug, overlapped positive pole current carrying lug and negative pole current carrying lug composition battery core
Monomer.
The manufacture method of the flexible battery of the present invention battery stacked with monomer is identical, with existing by multiple monomers electricity
The structure that pond is together in series is different, and flexible battery of the present invention is actually the cell of a bent strip, therefore
The processing technology of the flexible battery of the present invention is the simplest；And battery is connected without complicated joint outer part, safety
More preferably；By connecting sheet connection between adjacent battery core monomer, the width connecting sheet is less, and bending gets up to be easier, and makes flexibility
Battery entirety can form a bending successively；The flexible battery of the present invention is packaged into cell, saves existing flexible electrical
Connection distance between cell in the group of pond, under equal length, the flexible battery energy density of the present invention is higher.
As improvement, the width of described positive strap is less than the width of positive pole current carrying lug；The width of described negative straps
Degree is less than the width of negative pole current carrying lug.Guarantee that the positive strap of the positive pole carrying object after stacking and negative pole carrying object can be with
Negative pole current carrying lug staggers, and reduces the difficulty of bending.
As improvement, described positive pole current carrying lug is identical with the shape of negative pole current carrying lug.
As improvement, described positive pole current carrying lug and negative pole current carrying lug be shaped as square.The battery core list that this kind of shape is formed
The energy density of body is higher, can also punch out difform positive pole current carrying lug and negative pole current carrying lug as required simultaneously.
As improvement, described positive strap is mutually staggered with negative pole current carrying lug, and such as positive strap is positioned at positive pole and carries
The left side of flow, negative straps is positioned at the right side of negative pole current carrying lug.
As improvement, described aluminum plastic film includes the pit of some parcels described battery core monomer, and described pit integrated punching becomes
Type.Thickness between pit is thin, easily bends.
As improvement, junction between adjacent battery core monomer, the both sides of described aluminum plastic film is provided with angle envelope.Angle envelope is permissible
Strengthen the structural strength of aluminum plastic film so that it is also will not fracture after repeatedly bending.
As improvement, described positive pole carrying object is aluminium foil, and negative pole carrying object is Copper Foil.Available die cutting die punches out respectively
Planting shape, technique is simple.
For solving above-mentioned technical problem, the present invention another solution is that the manufacture method of a kind of stacked flexible battery,
Comprise the following steps:
(1) positive pole carrying object is punched out；Described positive pole carrying object includes two or more positive pole spaced apart from each other current carrying lug, is arranged on
Positive strap between adjacent positive current carrying lug and be arranged on the positive pole ear welding sheet of positive pole carrying object head, adjacent positive
Connected by positive strap between current carrying lug；
(2) negative pole carrying object is punched out；Described negative pole carrying object includes two or more negative pole spaced apart from each other current carrying lug, is arranged on
Negative straps between adjacent cathode current carrying lug and the negative lug welding sheet being arranged on negative pole carrying object head, adjacent cathode
Connected by negative straps between current carrying lug；
(3) at the surface-coated positive electrode of positive pole current carrying lug, at the surface-coated negative material of negative pole current carrying lug；
(4) utilize lamination process by positive pole carrying object, negative pole carrying object and barrier film stratification battery core, positive pole current carrying lug and negative pole
The stratification position of current carrying lug overlaps, overlapped positive pole current carrying lug and negative pole current carrying lug composition battery core monomer；
(5) battery core being put in aluminum plastic film and be packaged, the connection between adjacent battery core monomer of the both sides of described aluminum plastic film is done
Angle envelope processes, and prepares battery.
The manufacture method of the flexible battery of the present invention battery stacked with monomer is identical, with existing by multiple monomers electricity
The structure that pond is together in series is different, and flexible battery of the present invention is actually the cell of a bent strip, therefore
The processing technology of the flexible battery of the present invention is the simplest；And battery is connected without complicated joint outer part, safety
More preferably；By connecting sheet connection between adjacent battery core monomer, the width connecting sheet is less, and bending gets up to be easier, and makes flexibility
Battery entirety can form a bending successively；The flexible battery of the present invention is packaged into cell, saves existing flexible electrical
Connection distance between cell in the group of pond, under equal length, the flexible battery energy density of the present invention is higher.
As improvement, described aluminum plastic film includes the pit of some parcels described battery core monomer, and described pit integrated punching becomes
Type.
The present invention is compared with prior art had the benefit that
The manufacture method of the flexible battery of the present invention battery stacked with monomer is identical, with existing by multiple cell strings
The structure that connection gets up is different, and flexible battery of the present invention is actually the cell of a bent strip, therefore this
The processing technology of bright flexible battery is the simplest；And battery is connected without complicated joint outer part, safety is more preferable；
By connecting sheet connection between adjacent battery core monomer, the width connecting sheet is less, and bending gets up to be easier, and makes flexible battery whole
Body can form a bending successively；The flexible battery of the present invention is packaged into cell, saves in existing flexible battery group
Connection distance between cell, under equal length, the flexible battery energy density of the present invention is higher.
Accompanying drawing explanation
Fig. 1 is positive pole carrying object structural representation.
Fig. 2 is negative pole carrying object structural representation.
Fig. 3 is positive pole carrying object and negative pole carrying object stacking schematic diagram.
Fig. 4 is flexible battery front schematic view.
Fig. 5 is flexible battery edgewise bend view.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described.
A kind of stacked flexible battery, including by anode pole piece, cathode pole piece and barrier film by the battery core being laminated and
Wrap up the aluminum plastic film of described battery core.Barrier film is between anode pole piece and cathode pole piece, and the head of anode pole piece welds positive pole pole
Ear, the head welding negative lug of cathode pole piece.The present invention is except positive pole carrying object, negative pole carrying object and aluminum plastic film structure and making
Method is different from conventional lithium ion cell, and other can be essentially identical with prior art about the Making programme of battery.
As it is shown in figure 1, described anode pole piece includes that positive pole carrying object 1, described positive pole carrying object 1 include that two or more is mutual
The positive pole current carrying lug 11, the positive strap 12 being arranged between adjacent positive current carrying lug 11 that separate and be arranged on positive pole carrying object
The positive pole ear welding sheet 13 of 1 head, is connected by positive strap 12 between adjacent positive current carrying lug 11；Described positive pole current-carrying
Body 1 is aluminium foil, and described positive pole current carrying lug 11, positive strap 12 and positive pole ear welding sheet 13 are integrated punching molding；Described
The surface-coated of positive pole current carrying lug 11 has positive electrode.As in figure 2 it is shown, described cathode pole piece includes negative pole carrying object 2, described negative
The negative pole that pole carrying object 2 includes two or more negative pole spaced apart from each other current carrying lug 21, is arranged between adjacent cathode current carrying lug 21
Connect sheet 22 and be arranged on the negative lug welding sheet 23 of negative pole carrying object 2 head, by negative between adjacent cathode current carrying lug 21
Pole connects sheet 22 and connects, and described negative pole carrying object 2 is Copper Foil, described negative pole current carrying lug 21, negative straps 22 and negative lug
Welding sheet 23 is integrated punching molding；The surface-coated of described negative pole current carrying lug 21 has negative material.
As it is shown on figure 3, positive pole current carrying lug 11 overlaps with the stratification position of negative pole current carrying lug 21, overlapped positive pole current-carrying
Sheet 11 and negative pole current carrying lug 21 form battery core monomer 3.Described positive pole current carrying lug 11 is identical with the shape of negative pole current carrying lug 21, and all
For square, the energy density of the battery core monomer 3 of this kind of shape formation is higher, can also punch out difformity as required simultaneously
Positive pole current carrying lug 11 and negative pole current carrying lug 21.The width of described positive strap 12 is less than the width of positive pole current carrying lug 11；Institute
State the width width less than negative pole current carrying lug 21 of negative straps 22；In the present embodiment, positive strap 12 and negative pole connect
The width of sheet 22 is 0.05 ~ 10.0mm, it is ensured that be enough to cross stream between adjacent battery core monomer 3, and after guaranteeing stacking
The positive strap 12 of positive pole carrying object 1 and negative pole carrying object 2 can be staggered with negative pole current carrying lug 21, in the present embodiment, and positive pole
Connecting sheet 12 and be positioned at the left side of positive pole current carrying lug 11, negative straps 22 is positioned at the right side of negative pole current carrying lug 21, so can drop
The difficulty of low battery junction bending.
Described aluminum plastic film includes the pit of some parcels described battery core monomer 3, described pit integrated punching molding, pit it
Between thickness thin, easily bend.As shown in Figure 4, junction between adjacent battery core monomer 3, the both sides of described aluminum plastic film is provided with
Angle envelope 4, does not has angle envelope 4, angle envelope 4 can strengthen the structural strength of aluminum plastic film, make at positive strap 12 and negative straps 22
It also will not fracture after repeatedly bending.
The manufacture method of the stacked flexible battery of the present invention, comprises the following steps:
(1) positive pole carrying object 1 is punched out；Described positive pole carrying object 1 includes two or more positive pole spaced apart from each other current carrying lug 11, sets
Put the positive strap 12 between adjacent positive current carrying lug 11 and be arranged on the positive pole ear welding sheet of positive pole carrying object 1 head
13, connected by positive strap 12 between adjacent positive current carrying lug 11；
(2) negative pole carrying object 2 is punched out；Described negative pole carrying object 2 includes two or more negative pole spaced apart from each other current carrying lug 21, sets
Put the negative straps 22 between adjacent cathode current carrying lug 21 and be arranged on the negative lug welding sheet of negative pole carrying object 2 head
23, connected by negative straps 22 between adjacent cathode current carrying lug 21；
(3) at the surface-coated positive electrode of positive pole current carrying lug 11, at the surface-coated negative material of negative pole current carrying lug 21；
(4) utilize lamination process by positive pole carrying object 1, negative pole carrying object 2 and barrier film stratification battery core, positive pole current carrying lug 11 with
The stratification position of negative pole current carrying lug 21 overlaps, and overlapped positive pole current carrying lug 11 and negative pole current carrying lug 21 form battery core monomer 3；
(5) battery core being put in aluminum plastic film and be packaged, the connection between adjacent battery core monomer 3 of the both sides of described aluminum plastic film is done
Angle envelope processes, and prepares battery.
The manufacture method of the flexible battery of the present invention battery stacked with monomer is identical, with existing by multiple monomers electricity
The structure that pond is together in series is different, and flexible battery of the present invention is actually the cell of a bent strip, therefore
The processing technology of the flexible battery of the present invention is the simplest；And battery is connected without complicated joint outer part, safety
More preferably；As it is shown in figure 5, by connecting sheet connection between adjacent battery core monomer 3, the width connecting sheet is less, and bending gets up to compare
Easily, flexible battery entirety is made can to form a bending successively；The flexible battery of the present invention is packaged into cell, saves
Connection distance between cell in existing flexible battery group, under equal length, the flexible battery energy density of the present invention is more
High.
Claims (10)
1. a stacked flexible battery, including the battery core and the bag that are passed through to be laminated by anode pole piece, cathode pole piece and barrier film
Wrap up in the aluminum plastic film of described battery core；It is characterized in that: described anode pole piece includes that positive pole carrying object, described positive pole carrying object include two
Individual above positive pole current carrying lug spaced apart from each other, the positive strap being arranged between adjacent positive current carrying lug and be arranged on positive pole and carry
The positive pole ear welding sheet of fluid header, is connected by positive strap between adjacent positive current carrying lug, described positive pole current carrying lug,
Positive strap and positive pole ear welding sheet are integrated punching molding, and the surface-coated of described positive pole current carrying lug has positive electrode；
Described cathode pole piece includes that negative pole carrying object, described negative pole carrying object include two or more negative pole spaced apart from each other current carrying lug, set
Put the negative straps between adjacent cathode current carrying lug and be arranged on the negative lug welding sheet of negative pole carrying object head, adjacent
Being connected by negative straps between negative pole current carrying lug, described negative pole current carrying lug, negative straps and negative lug welding sheet are
Integrally punching molding, the surface-coated of described negative pole current carrying lug has negative material；Positive pole current carrying lug and the stacking of negative pole current carrying lug
Position overlaps, overlapped positive pole current carrying lug and negative pole current carrying lug composition battery core monomer.
The stacked flexible battery of one the most according to claim 1, it is characterised in that: the width of described positive strap is little
Width in positive pole current carrying lug；The width of described negative straps is less than the width of negative pole current carrying lug.
The stacked flexible battery of one the most according to claim 1, it is characterised in that: described positive pole current carrying lug carries with negative pole
The shape of flow is identical.
The stacked flexible battery of one the most according to claim 3, it is characterised in that: described positive pole current carrying lug and negative pole carry
Being shaped as of flow is square.
The stacked flexible battery of one the most according to claim 1, it is characterised in that: described positive strap carries with negative pole
Flow is mutually staggered.
The stacked flexible battery of one the most according to claim 1, it is characterised in that: described aluminum plastic film includes some parcels
The pit of described battery core monomer, described pit integrated punching molding.
The stacked flexible battery of one the most according to claim 1, it is characterised in that: the both sides of described aluminum plastic film are in adjacent
Junction between battery core monomer is provided with angle envelope.
The stacked flexible battery of one the most according to claim 1, it is characterised in that: described positive pole carrying object is aluminium foil,
Negative pole carrying object is Copper Foil.
9. the manufacture method of a stacked flexible battery, it is characterised in that comprise the following steps:
(1) positive pole carrying object is punched out；Described positive pole carrying object includes two or more positive pole spaced apart from each other current carrying lug, is arranged on
Positive strap between adjacent positive current carrying lug and be arranged on the positive pole ear welding sheet of positive pole carrying object head, adjacent positive
Connected by positive strap between current carrying lug；
(2) negative pole carrying object is punched out；Described negative pole carrying object includes two or more negative pole spaced apart from each other current carrying lug, is arranged on
Negative straps between adjacent cathode current carrying lug and the negative lug welding sheet being arranged on negative pole carrying object head, adjacent cathode
Connected by negative straps between current carrying lug；
(3) at the surface-coated positive electrode of positive pole current carrying lug, at the surface-coated negative material of negative pole current carrying lug；
(4) utilize lamination process by positive pole carrying object, negative pole carrying object and barrier film stratification battery core, positive pole current carrying lug and negative pole
The stratification position of current carrying lug overlaps, overlapped positive pole current carrying lug and negative pole current carrying lug composition battery core monomer；
(5) battery core being put in aluminum plastic film and be packaged, the connection between adjacent battery core monomer of the both sides of described aluminum plastic film is done
Angle envelope processes, and prepares battery.
The manufacture method of a kind of stacked flexible battery the most according to claim 9, it is characterised in that: described aluminum plastic film
Including the pit of some parcels described battery core monomer, described pit integrated punching molding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610833979.XA CN106207195B (en) | 2016-09-20 | 2016-09-20 | A kind of stacked flexible battery and preparation method thereof |
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| CN201610833979.XA CN106207195B (en) | 2016-09-20 | 2016-09-20 | A kind of stacked flexible battery and preparation method thereof |
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| CN106207195A true CN106207195A (en) | 2016-12-07 |
| CN106207195B CN106207195B (en) | 2019-06-14 |
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| CN108155332A (en) * | 2018-01-04 | 2018-06-12 | 广东长盈精密技术有限公司 | The substrate and intelligent terminal of a kind of bent battery, terminal |
| CN109830739A (en) * | 2019-02-13 | 2019-05-31 | 柔电（武汉）科技有限公司 | A kind of flexible battery and preparation method thereof |
| CN109860721A (en) * | 2019-02-13 | 2019-06-07 | 柔电（武汉）科技有限公司 | A kind of batch preparation of minicell |
| CN110140240A (en) * | 2017-07-10 | 2019-08-16 | 株式会社Lg化学 | 3D pattern-cut machine for metal lithium electrode |
| CN110277584A (en) * | 2019-06-24 | 2019-09-24 | 湖南聚锂能源科技有限公司 | A kind of production technology and rotary disc type device of laminated batteries |
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| CN110828770A (en) * | 2019-11-19 | 2020-02-21 | 凌帕新能源科技(上海)有限公司 | Manufacturing method of lithium battery |
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| CN114695831A (en) * | 2020-12-30 | 2022-07-01 | 深圳信达新能源科技有限公司 | Method for preparing pole piece by using mask and preparation method of battery |
| WO2022143260A1 (en) * | 2020-12-30 | 2022-07-07 | 深圳信达新能源科技有限公司 | Pole piece, battery comprising pole piece, and manufacturing methods |
| CN116387454A (en) * | 2023-04-06 | 2023-07-04 | 孚能科技(赣州)股份有限公司 | Solid-state battery pole piece and manufacturing method thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110140240A (en) * | 2017-07-10 | 2019-08-16 | 株式会社Lg化学 | 3D pattern-cut machine for metal lithium electrode |
| CN108155332A (en) * | 2018-01-04 | 2018-06-12 | 广东长盈精密技术有限公司 | The substrate and intelligent terminal of a kind of bent battery, terminal |
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| CN111477805A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Folding battery pack and vehicle |
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| CN113707836A (en) * | 2020-05-22 | 2021-11-26 | 松山湖材料实验室 | Flexible battery, zebra-shaped electrode of flexible battery and manufacturing method of flexible battery |
| CN112002931A (en) * | 2020-06-16 | 2020-11-27 | 深圳信达新能源科技有限公司 | Preparation method of flexible battery pack and prepared flexible battery pack |
| CN112002931B (en) * | 2020-06-16 | 2022-03-18 | 深圳信达新能源科技有限公司 | Preparation method of flexible battery pack and prepared flexible battery pack |
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| CN114695831A (en) * | 2020-12-30 | 2022-07-01 | 深圳信达新能源科技有限公司 | Method for preparing pole piece by using mask and preparation method of battery |
| WO2022143260A1 (en) * | 2020-12-30 | 2022-07-07 | 深圳信达新能源科技有限公司 | Pole piece, battery comprising pole piece, and manufacturing methods |
| CN116387454A (en) * | 2023-04-06 | 2023-07-04 | 孚能科技(赣州)股份有限公司 | Solid-state battery pole piece and manufacturing method thereof |
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