CN103682419A - Thin-film lithium battery and preparation method thereof - Google Patents
Thin-film lithium battery and preparation method thereof Download PDFInfo
- Publication number
- CN103682419A CN103682419A CN201310755086.4A CN201310755086A CN103682419A CN 103682419 A CN103682419 A CN 103682419A CN 201310755086 A CN201310755086 A CN 201310755086A CN 103682419 A CN103682419 A CN 103682419A
- Authority
- CN
- China
- Prior art keywords
- substrate
- film
- film lithium
- flexible material
- lithium cell
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
-
- 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
-
- 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 invention discloses a thin-film lithium battery, which comprises a protective shell and a substrate, an anode, a cathode and electrolyte are arranged in the protective shell, the substrate is a flexible material substrate, and a titanium dioxide interface layer is sputtered on the flexible material substrate. Compared with the prior art, the thin-film lithium battery has the advantages that: because flexible material is used as the substrate material, besides the advantages of the thin-film batteries, the battery also has the characteristic of flexibility, and consequently, the battery can be used not only in miniature devices but also in conventional products. Meanwhile, the thin-film lithium battery avoids the problems of leakage, low active substance proportion and the like in conventional lithium ion batteries, and the reliability of the battery is greatly enhanced. The titanium dioxide interface layer added in the thin-film lithium ion battery can effectively decrease the stress between the interface pattern layers of the battery, so the electrical properties of the battery can be better exerted.
Description
Technical field
The present invention relates to film lithium cell technical field, particularly relate to a kind of application flexibility composite material as film lithium cell of substrate and preparation method thereof.
Background technology
Development along with electronics industry; at present a lot of microelectronic devices need micro power that can integrated low current output, such as: miniature transplantation medicine equipment (rhythm of the heart adjuster, nerve stimulator and drug delivery), integrated circuit, bank's antitheft tracing system, electronic anti-theft protection, mini type gas sensor, miniature Coulomb meter, Smart Card based on CMOS, power is wireless asset tracking sign, electronical record tracking system and any needs are ultra-thin, light, the micromodule equipment of high-energy power supply.Film secondary lithium battery is the latest fields of lithium ion battery development, and its thickness can reach even micron order of millimeter.It is lightweight except having, capacity density is high, the life-span is long, antidetonation, resistance to collision and volume little, also have following advantage:
(1) can design any shape according to the requirement of product;
(2) can be assembled in the substrate of different materials;
(3) sedimentary condition of available standards realizes the preparation of hull cell;
(4) there is no solid-liquid contact interface, reduced solid liquid interface resistance;
(5) coefficient of safety is high, there is no gaseous product when battery operated.Above-mentioned advantage makes it become the ideal source of microelectronic component;
(6) hull cell also has very high multiplying power, can reach 50 more than.
The most important difference of film lithium ion battery and conventional batteries is to adopt real solid-state electrolytic solution, this has not only reduced the generation of gas in battery but also has solved the thickness problem of conventional lithium battery, can be used on ultra-thin battery the advantage that has conventional lithium ion battery to be difficult to compare.There are at present two kinds of miniature lithium batteries can meet above-mentioned requirements: the first is the film lithium cell with high polymeric polyelectrolyte assembling; The second is all solid state inorganic thin film lithium battery.At the bottom of the main substrate of existing film ion battery is silicon substrate and stainless steel lining, its main shortcoming is inflexibility, cannot be prepared into flexible battery thin film.
Summary of the invention
The object of the invention is for the technological deficiency existing in prior art, and a kind of use flexible material film lithium cell as substrate and preparation method thereof is provided.
For realizing the technical scheme that object of the present invention adopts, be: a kind of film lithium cell, it is characterized in that comprising containment vessel and substrate, in described containment vessel, be provided with positive pole, negative pole and electrolyte, described substrate is flexible material substrate.
Described flexible material substrate is the flexible substrate that PETG is made.
Preferably, the substrate thickness of described flexible material is 0.5mm, and length is at 1mm.
On described flexible material substrate, sputter has titanium dioxide boundary layer, and the main purpose of sputter titanium dioxide is in order to play the effect of resilient coating, can to reduce the stress producing in hull cell.
The thickness range of described titanium dioxide boundary layer is 200nm-500nm.
The preparation method of above-mentioned a kind of film lithium cell, is characterized in that carrying out successively following steps:
(1) prepare flexible material as substrate, be coated on the substrate of flexible board in vacuum chamber by direct current sputtering technology with titanium target under the effect of oxygen, sputter forms titanium dioxide boundary layer.
(2) on titanium dioxide boundary layer, be divided into two parts, be coated with and be covered with plus plate current-collecting body and negative current collector, i.e. Cu film and Al film respectively;
(3), on Al film, plate successively positive electrode and solid electrolyte;
(4) at electrolyte, plate negative pole, make it to be connected on negative current collector Cu film;
(5) finally coat outside protective layer, and draw micropolar ear to carry out the input and output of signal with the external world from anodal and negative pole.
Flexible material described in described step (1) is PETG..
The thickness range of described titanium dioxide boundary layer is 200nm-500nm.
Positive electrode described in described step (3) comprises LiCoO
2, NCM and NCA.
Compared with prior art, the invention has the beneficial effects as follows:
(1) using flexible material as backing material, battery is not only had outside the advantage of hull cell, can also make him there is flexible characteristic, not only can be used in micromodule equipment, also can be used in conventional product.Avoided again the leakage of conventional lithium ion battery, the problem such as active material ratio is not high, has improved the reliability of battery greatly simultaneously;
(2) in film lithium ion battery, increase titanium dioxide boundary layer, can effectively reduce the stress between the surface chart layer of battery, can better bring into play its electric property.
Accompanying drawing explanation
Figure 1 shows that the sectional structure chart of film lithium ion battery of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment:
Be illustrated in figure 1 a kind of film lithium cell, comprise containment vessel and substrate, be provided with positive pole, negative pole and electrolyte in described containment vessel, described substrate is flexible material substrate.
Described flexible material substrate is the flexible substrate that PETG is made.
On described flexible material substrate, sputter has titanium dioxide boundary layer, and the main purpose of sputter titanium dioxide is in order to play the effect of resilient coating, can to reduce the stress producing in hull cell.
The thickness range of described titanium dioxide boundary layer is 200nm-500nm.
The preparation method of above-mentioned a kind of film lithium cell, is characterized in that carrying out successively following steps:
(1) prepare flexible material as substrate, be coated on the substrate of flexible board in vacuum chamber by direct current sputtering technology with titanium target under the effect of oxygen, sputter forms titanium dioxide boundary layer.
(2) on titanium dioxide boundary layer, be divided into two parts, be coated with and be covered with plus plate current-collecting body and negative current collector, i.e. Cu film and Al film respectively;
(3), on Al film, plate successively the electrolyte of positive electrode and solid;
(4) at electrolyte, plate negative pole, make it to be connected on negative current collector Cu film;
(5) finally coat outside protective layer, and draw micropolar ear to carry out the input and output of signal with the external world from anodal and negative pole.
Preferably, the flexible material described in described step (1) is PETG.The feature of this film comprises:
1. have good mechanical property, impact strength is 3-5 times of other films, and folding resistance is good;
2. oil resistant, resistance to fat, resistance to olefin(e) acid, diluted alkaline, resistance to most of solvents;
3. have good high-and low-temperature resistance performance, can be in 120 ℃ of temperature ranges use for a long time, short-term is used can resistance to 150 ℃ of high temperature, can resistance to-70 ℃ low temperature, and very little on its mechanical performance impact during high and low temperature;
4. gas and vapor permeability are low, existing good choke, water, oil and peculiar smell performance;
5. transparency is high, can shielding of ultraviolet, and glossiness is good.
Preferably, the thickness range of described titanium dioxide boundary layer is 200nm-500nm.
Preferably, the positive electrode described in described step (3) comprises LiCoO
2, NCM and NCA.
About the specification of film lithium ion battery, the thickness of positive pole and negative pole is best between 500nm-1000nm, and the thickness of solid electrolyte be best in 2000nm left and right, and the thickness of protective layer be take and is greater than 1000nm as the best.
Wherein, the thickness of flexible material substrate can not be excessive, but need to have certain length; Otherwise can affect to battery bending.Through evidence, the substrate thickness of flexible material is that 0.5mm is best; The substrate length of flexible material is best at 1mm, because make several unit in the distance of 1mm unit, according to actual situation, carries out series and parallel connections, to reach the total capacity needing.
To sum up, the present invention, using flexible material as backing material, not only has outside the advantage of hull cell battery, can also make him have flexible characteristic, not only can be used in micromodule equipment, also can be used in conventional product.Avoided again the leakage of conventional lithium ion battery, the problem such as active material ratio is not high, has improved the reliability of battery greatly simultaneously.In addition, in film lithium ion battery, increase titanium dioxide boundary layer, can effectively reduce the stress between the surface chart layer of battery, can better bring into play its electric property.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a film lithium cell, is characterized in that: comprise containment vessel and substrate, be provided with positive pole, negative pole and electrolyte in described containment vessel, described substrate is flexible material substrate.
2. a kind of film lithium cell according to claim 1, is characterized in that described flexible material substrate is the flexible substrate that PETG is made.
3. a kind of film lithium cell according to claim 1, is characterized in that the substrate thickness of described flexible material is 0.5mm, and length is at 1mm.
4. a kind of film lithium cell according to claim 1, is characterized in that on described flexible material substrate, sputter has titanium dioxide boundary layer.
5. a kind of film lithium cell according to claim 4, the thickness range that it is characterized in that described titanium dioxide boundary layer is 200nm-500nm.
6. the preparation method of the described a kind of film lithium cell of one of the claims 1-5, is characterized in that carrying out successively following steps:
(1) prepare flexible material as substrate, be coated on the substrate of flexible board in vacuum chamber by direct current sputtering technology with titanium target under the effect of oxygen, sputter forms titanium dioxide boundary layer.
(2) on titanium dioxide boundary layer, be divided into two parts, be coated with and be covered with plus plate current-collecting body and negative current collector, i.e. Cu film and Al film respectively;
(3), on Al film, plate successively positive electrode and solid electrolyte;
(4) at electrolyte, plate negative pole, make it to be connected on negative current collector Cu film;
(5) finally coat outside protective layer, and draw micropolar ear to carry out the input and output of signal with the external world from anodal and negative pole.
7. the preparation method of a kind of film lithium cell according to claim 6, is characterized in that the flexible material described in described step (1) is PETG.
8. the preparation method of a kind of film lithium cell according to claim 6, is characterized in that the substrate thickness of described flexible material is 0.5mm, and length is at 1mm.
9. the preparation method of a kind of film lithium cell according to claim 6, the thickness range that it is characterized in that described titanium dioxide boundary layer is 200nm-500nm.
10. the preparation method of a kind of film lithium cell according to claim 6, is characterized in that the positive electrode described in described step (3) comprises LiCoO2, NCM and NCA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755086.4A CN103682419A (en) | 2013-12-30 | 2013-12-30 | Thin-film lithium battery and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755086.4A CN103682419A (en) | 2013-12-30 | 2013-12-30 | Thin-film lithium battery and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103682419A true CN103682419A (en) | 2014-03-26 |
Family
ID=50319229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755086.4A Pending CN103682419A (en) | 2013-12-30 | 2013-12-30 | Thin-film lithium battery and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682419A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784988A (en) * | 2015-11-24 | 2017-05-31 | 中国航空工业集团公司北京航空材料研究院 | A kind of flexible all solid-state thin-film lithium battery and its production method |
| CN108110213A (en) * | 2017-12-15 | 2018-06-01 | 北京亦庄材料基因研究院有限公司 | A kind of lithium ion cell positive structure and lithium ion battery |
| CN110073535A (en) * | 2019-02-21 | 2019-07-30 | 京东方科技集团股份有限公司 | Lithium ion battery and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008226728A (en) * | 2007-03-14 | 2008-09-25 | Geomatec Co Ltd | Thin-film solid secondary battery and complex type apparatus equipped with this |
| CN102301518A (en) * | 2009-02-03 | 2011-12-28 | 索尼公司 | Solid state thin film lithium ion secondary battery and manufacturing method therefor |
-
2013
- 2013-12-30 CN CN201310755086.4A patent/CN103682419A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008226728A (en) * | 2007-03-14 | 2008-09-25 | Geomatec Co Ltd | Thin-film solid secondary battery and complex type apparatus equipped with this |
| CN102301518A (en) * | 2009-02-03 | 2011-12-28 | 索尼公司 | Solid state thin film lithium ion secondary battery and manufacturing method therefor |
Non-Patent Citations (1)
| Title |
|---|
| B.J.NEUDECKER,ET AL.: ""Lithium-Free" Thin-Film Battery with In Situ Plated Li Anode", 《JOURNAL OF THE ELECTROCHEMICAL SOCIETY》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784988A (en) * | 2015-11-24 | 2017-05-31 | 中国航空工业集团公司北京航空材料研究院 | A kind of flexible all solid-state thin-film lithium battery and its production method |
| CN108110213A (en) * | 2017-12-15 | 2018-06-01 | 北京亦庄材料基因研究院有限公司 | A kind of lithium ion cell positive structure and lithium ion battery |
| CN110073535A (en) * | 2019-02-21 | 2019-07-30 | 京东方科技集团股份有限公司 | Lithium ion battery and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109088071B (en) | Composite layer and application thereof | |
| TWI591875B (en) | Electric core for thin film battery | |
| US20150340727A1 (en) | All-solid-state thin-film battery | |
| JP2010015782A (en) | All-solid battery | |
| US9793573B2 (en) | Lithium ion secondary battery containing a non-polar active material | |
| CN102324557B (en) | A kind of flexible packing lithium ion battery | |
| CN109004234A (en) | A kind of lithium ion secondary battery | |
| CN109004283A (en) | A kind of solid lithium battery and preparation method thereof | |
| CN104485478A (en) | Flexible lithium ion battery and preparation method thereof | |
| CN110249467A (en) | All-solid-state battery and its manufacturing method | |
| CN108511543A (en) | A kind of integrated energy resource supply product and preparation method thereof and equipment | |
| CN109148894A (en) | Lithium ion cell positive, all-solid lithium-ion battery and preparation method thereof and electricity consumption device | |
| US20210267063A1 (en) | Method of Direct Embedding a Lithium Ion Battery on a Flexible Printed Circuit Board | |
| CN103682419A (en) | Thin-film lithium battery and preparation method thereof | |
| CN108808058A (en) | A kind of high voltage solid film lithium battery piece with pattern structure | |
| CN106207099A (en) | A kind of three-dimensional LiMn2o4thin film anelectrode and the preparation method of three-dimensional solid-State Thin Film Li-Ion Batteries | |
| CN109314183A (en) | The manufacturing method of secondary cell | |
| EP2850678B1 (en) | An apparatus and associated methods | |
| CN106159315B (en) | Flexible battery and preparation method thereof | |
| JP2014086330A (en) | Small-sized power supply module and semiconductor module | |
| CN106531949A (en) | Tab extraction method for all-solid-state thin film lithium ion battery with vertical structure | |
| TWI323541B (en) | Electricity supply system | |
| JP4381176B2 (en) | Thin film solid secondary battery | |
| CN207624803U (en) | A kind of lithium ion cell positive structure and lithium ion battery | |
| CN207459090U (en) | A kind of lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |