CN102522595A - Flexible thin film lithium ion battery and manufacturing method thereof - Google Patents
Flexible thin film lithium ion battery and manufacturing method thereof Download PDFInfo
- Publication number
- CN102522595A CN102522595A CN2011104581147A CN201110458114A CN102522595A CN 102522595 A CN102522595 A CN 102522595A CN 2011104581147 A CN2011104581147 A CN 2011104581147A CN 201110458114 A CN201110458114 A CN 201110458114A CN 102522595 A CN102522595 A CN 102522595A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- positive electrode
- ion battery
- thickness
- negative
- 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.)
- Granted
Links
Images
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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a flexible thin film lithium ion battery and a manufacturing method thereof. The flexible thin film lithium ion battery is composed of a positive layer, a diaphragm, a negative layer and an external packing layer; the positive layer is composed of aluminum foil with a thickness of 16-30 microns and a positive material printed on one surface of the aluminum foil by adopting intaglio printing technology; the negative layer is composed of copper foil with a thickness of 10-30 microns and a negative material printed on one surface of the copper foil by adopting the intaglio printing technology; the external packing layer is an aluminum plastic composite film; the positive material of the battery comprises dispersant Hypermer KD-1; and the negative material of the battery comprises conductive agent vapor-grown carbon fiber. The flexible thin film lithium ion battery provided by the invention has the benefits that the safety is high, the thickness consistency is good, and the thickness of the battery can be controlled and lowered to 0.25MM, besides, the flexibility is good, the performance and the shape of the battery can not be affected even though the flexible thin film lithium ion battery is bent for several times.
Description
Technical field
The present invention relates to film lithium ion battery and make the field, relate in particular to a kind of fexible film lithium ion battery and preparation method thereof.
Background technology
Day crescent benefit along with modern information technologies; Human safety and reliability to the intelligent information technology proposed high requirement; Particularly in the rise of emerging fields such as Intelligent Bank card, RFID radio-frequency technique, film drug medical; It is that intelligent apparatus provides the energy that requirement has a kind of highly stable reliable micro power, realizes the science and technology application, for the mankind provide safe and reliable service.
And cause sending out property complete and can not get ensureing of battery owing to the consistency of thickness difference for domestic common thin lithium ion battery; Bad defective such as bending arbitrarily; Therefore can not really should in high-end intelligent micro device, cause the "smart" products technology of China to lag behind external western developed country level all the time.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, provides to have that a kind of thickness is even, the strong ultra-thin lithium ion battery of pliability, and the method for the ultra-thin lithium ion battery of preparation further is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fexible film lithium ion battery; It is made up of positive electrode layer, barrier film, negative electrode layer and external packing layer; Positive electrode layer is that the aluminium foil of 16-30 μ M is formed with the positive electrode that adopts the intaglio printing technology to be printed on the aluminium foil single face by thickness; Negative electrode layer is that the Copper Foil of 10-30 μ M is formed with the negative material that adopts the intaglio printing technology to be printed on the Copper Foil single face by thickness; Barrier film is polypropylene, polyethylene/polypropylene (PP/PE/PP) structural composite material of 16 μ M or 20 μ M, and the outer surface of aluminium foil and Copper Foil posts the thick bonding gummed paper of 15～30 μ M, and the external packing layer is an aluminum-plastic composite membrane; The positive electrode of this battery comprises dispersant Hypermer KD-1, and the negative material of this battery comprises the conductive agent vapor-grown carbon fibers.
Fexible film lithium ion battery of the present invention, positive electrode by cobalt acid lithium, chain graphite, flaky graphite, Kynoar and dispersant Hypermer KD-1 according to ratio of weight and number 94: 1.7～1.9: 1: 3: 0.1～0.3 solid mixture formed and press solid-to-liquid ratio 60～75 by the solvent that the N-methyl pyrrolidone is formed: 40～25 form; Negative material by graphite, chain graphite, flaky graphite, sodium cellulose glycolate, butadiene-styrene rubber, vapor-grown carbon fibers according to ratio of weight and number 91.5: 0.475～0.495: 0.5: 1.5: 6: 0.005～0.025 solid mixture formed and the solvent be made up of deionized water are by solid-to-liquid ratio 45～65: 55～35 form.
Fexible film lithium ion battery of the present invention, membrane thicknesses are the celgard series of products of 12～16 μ M, and the thickness of bonding gummed paper is 15～30 μ M, and the thickness of clad aluminum plastic film is 70～88 μ M.
Fexible film lithium ion battery of the present invention; The structure of aluminum-plastic composite membrane is following from outside to inside: (unit: μ m) ON (18)+DL (3)+AL (28)+ND (3)+CPP (22)+PP (14)=gross thickness 88 μ m (± 5%) wherein ON for extending nylon; DL is a dry type aluminum-plastic composite membrane adhesive layer, and AL refers to aluminium foil, and ND is the adhesive layer that the new type bonding agent of slightly the writing of NEO-DRY → DNP uses; CPP refers to the polypropylene that do not extend, and PP is the polypropylene composite bed.
Fexible film lithium ion battery of the present invention, the density of dispersant Hypermer KD-1 is 1.11g/cm
3, fusing point is 47 ℃, the alkali equivalent is 1100～1600, have water insoluble, be dissolved in aromatic series halogen-containing ketone the ester class the character of higher alcohols solvent.
The present invention further provides a kind of method for preparing the fexible film lithium ion battery; This flexible thin-film battery is made up of positive electrode layer, barrier film, negative electrode layer and external packing layer; Positive electrode layer is that the aluminium foil of 20-50 μ M is formed with the positive electrode that adopts the intaglio printing technology to be printed on the aluminium foil single face by thickness; Negative electrode layer is that the Copper Foil of 10-30 μ M is formed with the negative material that adopts the intaglio printing technology to be printed on the Copper Foil single face by thickness; The external packing layer is an aluminum-plastic composite membrane, and said positive electrode comprises dispersant Hypermer KD-1, and negative material comprises the conductive agent vapor-grown carbon fibers; The preparation method specifically comprises the steps:
Prepare positive electrode and negative material respectively; And adopt intaglio printing technology printing technology that positive electrode and negative material are printed on respectively on aluminium foil and the Copper Foil; The compound back cut-parts, die-cut of hot pressing; With the positive electrode layer after die-cut, barrier film and negative electrode layer lamination encapsulate, adopt universal adjustment position system device location back welding edge sealing, normal temperature leaves standstill after bakeout degassing, fluid injection, vacuum standing adsorption; Change into again, the processing of interface hot pressing consistency, vacuum suction, survey appearance and burin-in process, pack moulding at last.
The preparation method of fexible film lithium ion battery of the present invention; Its positive and negative electrode material is respectively according to the ratio of weight and number of cobalt acid lithium, chain graphite, flaky graphite, Kynoar and dispersant Hypermer KD-1 94: 1.7～1.9: 1: 3: the anodal solid mixture of 0.1～0.3 preparation; And with this solid mixture and N-crassitude ketone solvent by solid-to-liquid ratio 60～75: 40～25 preparation positive electrodes; According to the ratio of weight and number of graphite, chain graphite, flaky graphite, sodium cellulose glycolate, butadiene-styrene rubber, vapor-grown carbon fibers 91.5: 0.475～0.495: 0.5: 1.5: 6: 0.005～0.025 preparation negative pole solid mixture, and with its with deionized water by solid-to-liquid ratio 45～65: 55～35 preparation negative materials.
The preparation method of fexible film lithium ion battery of the present invention, vacuum suction adopts the vacuum air pump of multipoint mode afflux vacuum suction cavity configuration.
Positive electrode contains the viscosity that dispersant Hypermer KD-1 has the reduction slurry in the present invention, keeps the consistency and the stability of slurry, reduces the thickness and the effect that improves solid dispersed property of pole piece.Negative material contains high-performance conductive agent VGCF in the present invention; Effect is to improve the bonding adhesive force between the cohesive force and Copper Foil and negative material between anode active material particles; Effective prevention negative material slipping into and take off delamination in the embedding process at lithium ion; Thereby improve the cycle life of battery, reduce the conductive coefficient of negative pole.High-performance conductive agent in the positive pole in dispersant and the negative pole can make that battery is more pliable and tougher, cycle life is longer, and body thickness is more stable.In the present invention, the thickness of employing is the ultra-thin lug of 20～50 μ M, can guarantee that lug place thickness is consistent with the body thickness of battery, effectively prevents the phenomenon of lug fracture.
In the preparation method of fexible film lithium ion battery of the present invention, intaglio plate coating and printing technology can make the thickness of printed layers be reduced to 3 μ M with pole piece consistency of thickness Deviation Control at ± 0.5MM.And hot-pressing processing has further been improved electrode slice adhesion strength and conforming purpose.In the preparation method of fexible film lithium ion battery of the present invention, adopt accurate universal adjustment position system device to realize the precision location, the interval crack of inside battery barrier film and edge sealing minimum can be controlled in the 0.2MM.For preventing that the envelope glue that overflows from causing that the thick partially or encapsulation of thickness is not firm to cause leakage, visual encapsulation pressure of increase and pulling force digital display balance sysmte in the encapsulation course of action are guaranteed each battery package thickness accurately simultaneously.In the preparation method of fexible film lithium ion battery of the present invention, true control is bled and is adopted multipoint mode afflux vacuum suction cavity configuration, and it can carry out fast certain position of inside battery, degasification completely.
Use the film lithium ion battery of fexible film preparation method of lithium ion battery of the present invention production have safe, consistency of thickness good and THICKNESS CONTROL is reduced to 0.25MM, pliability is good simultaneously, can be repeatedly crooked indeformable.
Description of drawings
To combine accompanying drawing and embodiment that fexible film lithium ion battery of the present invention is described further below, in the accompanying drawing:
Fig. 1 is the vertical section structure sketch map of fexible film lithium ion battery embodiment of the present invention;
Fig. 2 is the making flow chart of fexible film lithium ion battery embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explanation.The shape of fexible film lithium ion battery of the present invention can not limited by present embodiment according to the concrete needs design of electronic component.
The film lithium cell structure that present embodiment provides is as shown in Figure 1; Its battery is formed by three layers; The single face half storey anodal 4 that positive electrode layer is made up of aluminium foil 5 and positive electrode is formed; Negative electrode layer is formed by Copper Foil 2 with by the single face half storey anodal 1 that negative material is formed, and is barrier film between positive electrode layer and the negative electrode layer.The Copper Foil of battery and aluminium foil outer surface have also been packed bonding gummed paper, and stick aluminum-plastic composite membrane.
The concrete preparation method of this hull cell combines Fig. 2 to explain as follows:
1) preparation of positive electrode
Slurrying: according to cobalt acid lithium (LiCoO
2), the ratio of weight and number of conductive black (chain graphite S-P), flaky graphite (S-O), Kynoar (PVDF) and dispersant Hypermer KD-1 is 94: 1.7: 1: 3: 0.3,94: 1.8: 1: 3: 0.2 and 94: 1.9: 1: respectively prepare anodal solid mixture at 3: 0.1; With these three groups of solid mixtures and N-methyl pyrrolidone (NMP) solvent by solid-to-liquid ratio preparation in 60: 40 positive electrode, high-speed stirred evenly, vacuum or leave standstill degasification after process the anode sizing agent of pulpous state.In addition, prepare three groups of anodal solid mixtures, and by solid-to-liquid ratio preparation in 75: 25 positive electrode according to above-mentioned three kinds of proportionings, high-speed stirred evenly, vacuum or leave standstill degasification after process the anode sizing agent of pulpous state.
Film, compound: adopt intaglio printing precision control technology that above-mentioned anode sizing agent is applied to the single surface of aluminium foil, and carry out the hot pressing Combined Processing.
Cut: the size that anode pole piece is cut into design.
2) preparation of negative electrode
Slurrying: according to the ratio of weight and number of graphite, chain graphite (S-P), flaky graphite (S-O), sodium cellulose glycolate (CMC), butadiene-styrene rubber (SBR), high-performance conductive agent vapor-grown carbon fibers (VGCF) 91.5: 0.475: 0.5: 1.5: 0.025,91.5: 0.485: 0.5: 1.5: 6: 0.015 and 91.5: 0.495: 0.5: three groups of negative pole solid mixtures of preparation in 1.5: 6: 0.005, and with its with deionized water by solid-to-liquid ratio preparation in 45: 55 negative material.Film, compound: adopt intaglio printing precision control technology that above-mentioned anode sizing agent is applied to the single surface of Copper Foil, and carry out the hot pressing Combined Processing.Prepare three groups of negative pole solid mixtures and prepare negative material at 65: 35 by solid-to-liquid ratio according to above-mentioned three assembly sides in addition, processing method is the same.
Cut: the size that cathode pole piece is cut into design.
3) preparation of barrier film
Barrier film is cut into the size of design.
4) lamination, encapsulate
Said elements is put well according to the order of positive pole, barrier film, negative pole,, processed battery through lamination and after coating bonding gummed paper.
5) welding, edge sealing
After adopting accurate universal adjustment navigation system to the battery chip of lamination location, soldering polar ear is put in battery and carries out edge sealing between the two-layer aluminum-plastic composite membrane and handle.
6) subsequent treatment
After bakeout degassing, fluid injection; Carrying out the vacuum standing adsorption also leaves standstill at normal temperatures; Charging at a slow speed with special-purpose battery charging and discharging equipment subsequently changes into, and then carries out the hot pressing consistency and handles, and adopt the vacuum suction machine with multipoint mode afflux vacuum suction cavity configuration to carry out vacuum suction; Carry out volume test subsequently and detect, last formed package with aging.
Lug manufacture method flow process among the present invention is following:
1) treatment fluid preparation:
According to potassium hydroxide: deionized water=0.6%～1.0%: 99.4%～99.4% (wt) prepares anodal treatment fluid; According to the main component material: deionized water=0.6%～1.0%: 99.4%～99.4% (wt) preparation negative pole treatment fluid; Wherein ratio is between the main component material: potassium bichromate: chromic acid: charomic fluoride: 17%～20%: 60%～66%: 17%～20% (wt) adds the nitric acid that accounts for treatment fluid total amount 0.5%～1% (wt).
2) manufacture method:
Negative pole nickel lug is handled: with acetone the nickel lug was soaked 60 minutes earlier, require lug not expose the acetone surface when soaking lug; Water cleans up it after soaking completion, uses 30 seconds kinds of negative pole treatment fluid rinsing again; Dry after cleaning two to three times with clear water more at last and get final product.
Anodal aluminium pole ears is handled: after with acetone aluminium pole ears being soaked 60 minutes earlier, water cleans up; After getting reason liquid and soak 30 seconds kinds with positive pole, clean again; Get the cleaning of reason liquid after 30 seconds with negative pole at last, clean oven dry with clear water and get final product.
3) both positive and negative polarity is had burning ears molded: PP glue on the both positive and negative polarity ear muff, be clipped in the middle level of polyester film, get final product through hot press pressing moulding in 30～45 seconds, wherein hot press pressure is set to 0.2～0.4MPA.
The performance test data of fexible film lithium ion battery:
Adopt the thinnest 0.22MM of being of the lithium ion battery of fexible film preparation method of lithium ion battery preparation of the present invention; Wherein anodal thickness (comprising aluminium foil and the positive electrode printed layers that is printed on a surface of aluminium foil) is 20 μ m; Negative pole thickness (comprising Copper Foil and the negative material printed layers that is printed on a surface of Copper Foil) is 14 μ M; The minimum thickness of barrier film is 12 μ M; The minimum thickness of aluminum-plastic composite membrane is 70 μ M, and the minimum thickness of bonding gummed paper is 15 μ M, thus this lithium ion battery the thinnest be 20+14+12+70 * 2+15 * 2=0.22MM.The thickness of lithium ion battery changes within the specific limits, and the deviation at general 0.22-0.45MM and the arbitrary position of main body is in ± 0.5 μ M.
The inventor has designed the proportioning of many groups positive and negative electrode material, finds to use the ion battery of positive and negative pole material proportioning disclosed by the invention to have best performance.
Select the lithium ion battery of different-thickness to carry out performance test, test data is following:
Wherein above-mentioned method of testing is following:
Flexibility test: by GB ISO/IEC7816-1:1998; The integrated circuit card of the 3rd part contact-carrying in the IDT BG/T 17554.3 identification card method of testings (IDT ISO/IEC 10373-3) 4.2.9 flexural property: after 1000 bend cycles tests carrying out describing among the GB/T17554.1, card should keep its function and the crack should not occur.Battery is through behind 1000 crooked tests, and voltage and capacity are normal, meet the due functional requirement of card.
Loop test: by GB GB18287-2000 requirement: under 20 ℃ ± 5 ℃ conditions of ambient temperature, with the 0.2C5mA current charges, when current terminal voltage reaches the charging deboost; Change constant voltage charge into, be less than or equal to 0.05CmA, stop charging up to charging current; Shelve 0.5h-1h; Then with the 0.5C5mA current discharge to final voltage, after discharge finishes, shelve 0.5h-1h; Carry out next charge and discharge cycles again, then think end-of-life less than 36min (or be lower than initial capacity 80%) until double discharge time.Battery cycle life should be not less than 300 times, and the battery cycle life of actual test is all above 2000 times.
Security test (nail thorn test): method of testing: the battery constant-current constant-voltage charging is to upper voltage limit 4.2V, directly stings thoroughly perpendicular to the battery main body centre with the draw point of diameter 3MM, and draw point rests in the battery main body, and battery is not on fire, do not explode.During actual the test, all do not take place on fire or blast.
Although characteristic of the present invention and advantage thereof have been described a lot; Yet it is understandable that; For a person skilled in the art; Can make other multiple changes according to technical scheme of the present invention and technical though, and all these change the scope that all should belong to claim protection of the present invention.
Claims (6)
1. fexible film lithium ion battery; It is characterized in that; Said flexible thin-film battery is made up of positive electrode layer, barrier film, negative electrode layer and external packing layer, and said positive electrode layer is that the aluminium foil of 16-30 μ M is formed with the positive electrode that adopts the intaglio printing technology to be printed on the aluminium foil single face by thickness, and said negative electrode layer is that the Copper Foil of 10-30 μ M is formed with the negative material that adopts the intaglio printing technology to be printed on the Copper Foil single face by thickness; The outer surface of said aluminium foil and said Copper Foil posts bonding gummed paper; Said external packing layer is an aluminum-plastic composite membrane, and said positive electrode comprises dispersant Hypermer KD-1, and said negative material comprises the conductive agent vapor-grown carbon fibers.
2. fexible film lithium ion battery according to claim 1; It is characterized in that; Said positive electrode by cobalt acid lithium, chain graphite, flaky graphite, Kynoar and dispersant Hypermer KD-1 according to ratio of weight and number 94: 1.7～1.9: 1: 3: 0.1～0.3 solid mixture formed and press solid-to-liquid ratio 60～75: 40～25 by the solvent that the N-methyl pyrrolidone is formed and form, said negative material by graphite, chain graphite, flaky graphite, sodium cellulose glycolate, butadiene-styrene rubber, vapor-grown carbon fibers according to ratio of weight and number 91.5: 0.475～0.495: 0.5: 1.5: 6: 0.005～0.025 solid mixture formed and press solid-to-liquid ratio 45～65 by the solvent that deionized water is formed: 55～35 form.
3. fexible film lithium ion battery according to claim 1 and 2 is characterized in that, said membrane thicknesses is 12～16 μ M, and the thickness of said bonding gummed paper is 15～30 μ M, and the thickness of said clad aluminum plastic film is 70～88 μ M.
4. the preparation method of a fexible film lithium ion battery; Said flexible thin-film battery is made up of positive electrode layer, barrier film, negative electrode layer and external packing layer; Said positive electrode layer is that aluminium foil and the positive electrode of 16-30 μ M formed by thickness, and said negative electrode layer is that Copper Foil and the negative material of 10-30 μ M formed by thickness, and said external packing layer is an aluminum-plastic composite membrane; Said positive electrode comprises dispersant Hypermer KD-1, and said negative material comprises the conductive agent vapor-grown carbon fibers; It is characterized in that the preparation method comprises the steps:
Prepare positive electrode and negative material respectively; And adopt intaglio printing technology printing technology that positive electrode and negative material are printed on respectively on aluminium foil and the Copper Foil; The compound back cut-parts, die-cut of hot pressing; With the positive electrode layer after die-cut, barrier film and negative electrode layer lamination encapsulate, adopt universal adjustment position system device location back welding edge sealing, normal temperature leaves standstill after bakeout degassing, fluid injection, vacuum standing adsorption; Change into again, the processing of interface hot pressing consistency, vacuum suction, survey appearance and burin-in process, pack moulding at last.
5. the preparation method of fexible film lithium ion battery according to claim 4; It is characterized in that; According to the ratio of weight and number of cobalt acid lithium, chain graphite, flaky graphite, Kynoar and dispersant Hypermer KD-1 94: 1.7～1.9: 1: 3: the anodal solid mixture of 0.1～0.3 preparation; And with this solid mixture and N-crassitude ketone solvent by solid-to-liquid ratio 60～75: 40～25 preparation positive electrodes; According to the ratio of weight and number of graphite, chain graphite, flaky graphite, sodium cellulose glycolate, butadiene-styrene rubber, vapor-grown carbon fibers 91.5: 0.475～0.495: 0.5: 1.5: 6: 0.005～0.025 preparation negative pole solid mixture, and with its with deionized water by solid-to-liquid ratio 45～65: 55～35 preparation negative materials.
6. the preparation method of fexible film lithium ion battery according to claim 5 is characterized in that, said vacuum suction adopts the vacuum air pump of multipoint mode afflux vacuum suction cavity configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458114.7A CN102522595B (en) | 2011-12-31 | 2011-12-31 | Flexible thin film lithium ion battery and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458114.7A CN102522595B (en) | 2011-12-31 | 2011-12-31 | Flexible thin film lithium ion battery and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102522595A true CN102522595A (en) | 2012-06-27 |
| CN102522595B CN102522595B (en) | 2014-07-16 |
Family
ID=46293431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110458114.7A Active CN102522595B (en) | 2011-12-31 | 2011-12-31 | Flexible thin film lithium ion battery and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102522595B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600368A (en) * | 2014-12-29 | 2015-05-06 | 山东神工海特电子科技有限公司 | Ternary soft-package battery and preparation method thereof |
| CN104900919A (en) * | 2015-05-28 | 2015-09-09 | 杭州金色能源科技有限公司 | Fabrication technique of polymer li-ion battery |
| CN105789372A (en) * | 2014-12-23 | 2016-07-20 | 中国电子科技集团公司第十八研究所 | Preparation method of flexible integral solar battery/lithium-ion battery thin-film composite battery |
| CN105870385A (en) * | 2016-04-16 | 2016-08-17 | 佛山市南海区欣源电子有限公司 | Wearable flexible battery with high safety performance and manufacturing technology of wearable flexible battery |
| CN106415877A (en) * | 2014-05-29 | 2017-02-15 | 株式会社半导体能源研究所 | Secondary battery and electronic device |
| CN106784600A (en) * | 2016-12-23 | 2017-05-31 | 天津力神电池股份有限公司 | One kind is containing lithium cathode sheet and preparation method thereof |
| CN108767319A (en) * | 2018-04-23 | 2018-11-06 | 合肥国轩高科动力能源有限公司 | Formation method of lithium ion battery |
| 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 |
| CN110380107A (en) * | 2019-08-21 | 2019-10-25 | 连云港德立信电子科技有限公司 | Ultra-thin lithium cell |
| JP2019537233A (en) * | 2017-05-22 | 2019-12-19 | エルジー・ケム・リミテッド | Flexible electrode, method of manufacturing the same, and secondary battery including the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020074972A1 (en) * | 1997-12-23 | 2002-06-20 | Subhash Narang | Ion battery using high aspect ratio electrodes |
| CN101320823A (en) * | 2007-06-06 | 2008-12-10 | 日产自动车株式会社 | Secondary battery and method of producing the secondary battery |
| CN101409369A (en) * | 2008-11-14 | 2009-04-15 | 东莞市迈科科技有限公司 | Large-capacity high power polymer ferric lithium phosphate power cell and preparation method thereof |
-
2011
- 2011-12-31 CN CN201110458114.7A patent/CN102522595B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020074972A1 (en) * | 1997-12-23 | 2002-06-20 | Subhash Narang | Ion battery using high aspect ratio electrodes |
| CN101320823A (en) * | 2007-06-06 | 2008-12-10 | 日产自动车株式会社 | Secondary battery and method of producing the secondary battery |
| CN101409369A (en) * | 2008-11-14 | 2009-04-15 | 东莞市迈科科技有限公司 | Large-capacity high power polymer ferric lithium phosphate power cell and preparation method thereof |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10714784B2 (en) | 2014-05-29 | 2020-07-14 | Semiconductor Energy Laboratory Co., Ltd. | Secondary battery and electronic device |
| CN106415877A (en) * | 2014-05-29 | 2017-02-15 | 株式会社半导体能源研究所 | Secondary battery and electronic device |
| US11949061B2 (en) | 2014-05-29 | 2024-04-02 | Semiconductor Energy Laboratory Co., Ltd. | Secondary battery and electronic device |
| US11444311B2 (en) | 2014-05-29 | 2022-09-13 | Semiconductor Energy Laboratory Co., Ltd. | Secondary battery and electronic device |
| CN105789372A (en) * | 2014-12-23 | 2016-07-20 | 中国电子科技集团公司第十八研究所 | Preparation method of flexible integral solar battery/lithium-ion battery thin-film composite battery |
| CN104600368A (en) * | 2014-12-29 | 2015-05-06 | 山东神工海特电子科技有限公司 | Ternary soft-package battery and preparation method thereof |
| CN104900919A (en) * | 2015-05-28 | 2015-09-09 | 杭州金色能源科技有限公司 | Fabrication technique of polymer li-ion battery |
| CN105870385A (en) * | 2016-04-16 | 2016-08-17 | 佛山市南海区欣源电子有限公司 | Wearable flexible battery with high safety performance and manufacturing technology of wearable flexible battery |
| CN106784600A (en) * | 2016-12-23 | 2017-05-31 | 天津力神电池股份有限公司 | One kind is containing lithium cathode sheet and preparation method thereof |
| JP7027642B2 (en) | 2017-05-22 | 2022-03-02 | エルジー エナジー ソリューション リミテッド | Flexible electrode, its manufacturing method and the secondary battery including it |
| JP2019537233A (en) * | 2017-05-22 | 2019-12-19 | エルジー・ケム・リミテッド | Flexible electrode, method of manufacturing the same, and secondary battery including the same |
| CN108767319A (en) * | 2018-04-23 | 2018-11-06 | 合肥国轩高科动力能源有限公司 | Formation method of lithium ion battery |
| 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 |
| 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 |
| CN110380107A (en) * | 2019-08-21 | 2019-10-25 | 连云港德立信电子科技有限公司 | Ultra-thin lithium cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102522595B (en) | 2014-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102522595B (en) | Flexible thin film lithium ion battery and manufacturing method thereof | |
| CN105914037B (en) | Electrical storage device and its manufacturing method | |
| CN103682410B (en) | A kind of bendable battery pack | |
| JP6157445B2 (en) | Electrochemical energy storage device | |
| CN109004234A (en) | A kind of lithium ion secondary battery | |
| CN105336976A (en) | Lithium ion battery lamination unit, battery cell, battery cell preparing method and lithium ion battery | |
| CN108878775A (en) | It is a kind of to mend lithium composite negative pole pole piece and preparation method thereof safely | |
| CN105406086B (en) | Electrochemical cell and preparation method thereof | |
| CN109560245B (en) | Symmetrical battery and preparation method thereof | |
| US11108106B2 (en) | Stretchable fabric based electrode-polymer electrolyte battery | |
| CN105742712A (en) | Electrochemical energy storage device | |
| CN104538591A (en) | Pre-lithiation method of lithium ion battery negative electrode material | |
| CN105024098A (en) | Lithium ion battery formation method | |
| CN108470874A (en) | Improve method, the preparation process of lithium ion battery and the lithium ion battery of battery core extrusion performance | |
| CN106449126A (en) | Method of embedding lithium for lithium ion capacitor by using third electrodes | |
| CN109301308A (en) | Battery | |
| CN101826640B (en) | Pole core for lithium ion battery and lithium ion battery using pole core | |
| CN109494413A (en) | A kind of soft bag lithium ionic cell and preparation method thereof | |
| CN108878991B (en) | High-specific-energy zinc-silver battery and preparation method thereof | |
| CN203690419U (en) | Polymer lithium ion gel electrolyte battery | |
| CN104916849B (en) | A kind of flexible device and preparation method thereof | |
| CN109616696A (en) | A kind of flexible foldable all-solid-state battery and its manufacturing method | |
| CN204407402U (en) | A kind of lithium ion battery of architecture advances | |
| CN114628764B (en) | Preparation method of miniature tab-free soft package battery and application of miniature tab-free soft package battery in flexible equipment | |
| CN100555732C (en) | A kind of polymer lithium secondary battery and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220929 Address after: 212400 No.1, Keji Avenue, Keji new town, Jurong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Beitefu New Energy Technology Co.,Ltd. Address before: 437100 Zhang Guozhi, Dormitory of Industrial and Commercial Bureau, No. 1 Bridge, Nanchang Road, Wenquan District, Xianning City, Hubei Province (Dong Xiangsheng) Patentee before: Dong Xiangsheng |
|
| TR01 | Transfer of patent right |