CN106654344A - Three-layer flexible battery structure and preparation method therefor - Google Patents
Three-layer flexible battery structure and preparation method therefor Download PDFInfo
- Publication number
- CN106654344A CN106654344A CN201710041247.1A CN201710041247A CN106654344A CN 106654344 A CN106654344 A CN 106654344A CN 201710041247 A CN201710041247 A CN 201710041247A CN 106654344 A CN106654344 A CN 106654344A
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- CN
- China
- Prior art keywords
- bridge construction
- battery
- copper
- island bridge
- island
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- 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.)
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Classifications
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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
- H01M10/04—Construction or manufacture in general
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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 three-layer flexible battery structure. The three-layer flexible battery structure comprises a flexible substrate (1), island bridge structures (2) and batteries (3). The batteries and wires on the flexible substrate are designed in a three-layer structure; a tightly-arranged battery array is arranged in the middle layer; conductive small cylinders and copper wires for enabling the conductive small cylinders to be connected in parallel are arranged on the upper and lower sides of the batteries, and positive electrodes and negative electrodes of the batteries are lead out by the conductive small cylinders and the copper wires; each small cylinder is corresponding to a square battery part which is concentric with the small cylinder; the batteries are tightly arranged to cover the whole substrate; the overall structure has high ductility; and meanwhile, the maximum of battery coverage rate is realized, so that unit area capacity of the batteries is greatly improved.
Description
Technical field
The invention belongs to flexible battery manufacturing technology field, more particularly to a kind of three layers of flexible battery structure and preparation side
Method.
Background technology
Flexible battery can be the continued powers such as LED, can stretch, fold, bend, it might even be possible to can photograph well installed in wrist
Often work.Anywhere this battery can use, including inside of human body, and this means that we can plant electronic equipment
Enter human body, monitor brain wave, heart activity signal, these are all that traditional battery to be completed.The island net of construction interconnection
Shape structure is a kind of effective ways for making flexible battery have high ductibility；The area for increasing island namely increases packing factor
Be conducive to flexible battery that there is bigger capacity per unit area, but at the same time will also result in the reduction of ductility；Using flat
The flexible battery that mesa-shaped matrix builds, packing factor has reached 70% while tensile property is ensured；Self-similar structure sets
Meter makes lithium ion battery that higher packing factor is also maintained while having great ductility and flexibility, but these are designed
The coverage rate of battery cannot be still allowed to reach maximization.
The content of the invention
The purpose of the present invention is：A kind of three layers of flexible battery structure and preparation method are provided, are ensureing that flexible battery has
The coverage rate of battery is maximized while high ductibility, so as to lift battery capacity per unit area.
The technical scheme is that：A kind of three layers of flexible battery structure, it includes flexible substrates, island bridge construction, battery；
The flexible substrates be can omnidirectional stretching flexible insulating material；
The island bridge construction is placed in the flexible substrates；The island bridge construction includes conductive small column, copper conductor；It is described
Copper conductor is in parallel by the conductive small column；The binding post of the distance between described conductive small column and two batteries it
Between distance it is identical；
Together with the battery is pasted with the described conductive small column conductive silver glue of the island bridge construction；The battery with
The conductive small column is corresponded, and close-packed arrays cover whole substrate.
Further, the flexible substrates are Ecoflex materials.
Further, the copper conductor between the conductive small column is S types, can be with the drawing of the flexible substrates
Stretch and stretch, ductility is up to 45%.
Further, the island bridge construction is copper island bridge construction, and the side of copper is connected with battery electrode with conducting resinl, thick
Spend for 0.1mm, the distance between left and right or neighbouring described conductive small column center are 4mm, the conductive small column
Radius is 0.5mm；The linear diameter of the copper conductor is 0.1mm, and the length of the initial segment L1 is 3.54mm, the length of the L2 of interlude
The distance between 4.5mm, multiple interlude L2 L3 is 0.3mm；The copper conductor is PI-Cu-PI three-deckers, and the conduction is little
Cylinder is Cu-PI double-deckers, and the side of copper is connected with the battery.
A kind of three layers of flexible battery structure preparation method, it is characterised in that comprise the following steps：
A. PI thin film is prepared with spin-coating method；
B. one layer of Copper Foil is deposited with PI film surfaces, photoetching corrosion Copper Foil forms island bridge shape；
C. one layer of PI thin film of hot repressing on the Copper Foil of the island bridge shape of molding, afterwards dry etching conduction roundlet columnar region
The PI thin film of upper new hot pressing, Jiang Tongdao exposes；
D. using cut PI thin film is formed and copper island bridge construction identical shape, and makes PI thin film be slightly wider than copper
Paper tinsel, obtains whole island bridge construction；
E. repeat step A-D, makes second layer island bridge construction；
F. the side of all PI thin film of ground floor island bridge construction is connected in extensile substrate with gluing；
G. one side bonds of the island exposed copper of the ground floor island bridge construction on the positive pole of battery and substrate are made with conducting resinl
Array is in parallel, and positive pole is drawn by island bridge construction；
H. the negative pole of battery and a side bonds of the island exposed copper of second layer island bridge construction are made into array with conducting resinl
Parallel connection, negative pole is drawn by island bridge construction.
Battery and traverse design on flexible substrates is three-decker by the present invention, and middle one layer is compact arranged electricity
Pond array, the upper and lower both sides of battery are conductive small column and the copper conductor for making their parallel connections, and they draw respectively the positive pole of battery
With negative pole, each small column is corresponding with its concentrical square cell part, and close-packed arrays cover whole base between battery
Bottom, total has very high ductility, while realizing the maximization of packing factor, greatly improves battery unit
Area capacity.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is bridge construction schematic diagram in island of the present invention；
Fig. 3 is bridge construction partial schematic diagram in island of the present invention；
Fig. 4 is bridge construction cross-sectional view in island shown in Fig. 3 of the present invention.
1-flexible substrates, 2-- islands bridge construction, 3-- batteries, 4-- material coppers, 5-- materials PI, 21-- conduction small column,
The distance between 22-- copper conductors, L1-- the initial segments, L2-- interludes, L3--L1 and L2
Specific embodiment
Embodiment 1：Referring to Fig. 1 to Fig. 4, a kind of three layers of flexible battery structure, it include flexible substrates 1, island bridge construction 2,
Battery 3；
The flexible substrates 1 for can omnidirectional stretching flexible insulating material；
The island bridge construction 2 is placed in the flexible substrates 1；The island bridge construction 2 includes conductive small column 21, copper conductor
22；The copper conductor 22 is in parallel by the conductive small column 21；The distance between described conductive small column 21 and two electricity
The distance between the binding post in pond 3 is identical；
Together with the described conductive small column 21 of the battery 3 and the island bridge construction 2 conductive silver glue is pasted；The electricity
Pond 3 corresponds with the conductive small column 21, and close-packed arrays cover whole substrate.
Further, the flexible substrates 1 are Ecoflex materials.
Further, the copper conductor 22 between the conductive small column 21 is S types, can be with the flexible substrates
1 stretching and stretch, ductility is up to 45%.
Further, the island bridge construction 2 is copper island bridge construction, and the side of copper is connected with battery electrode with conducting resinl,
Thickness is 0.1mm, and the distance between left and right or the neighbouring center of described conductive small column 21 are 4mm, the conductive roundlet
The radius of post 21 is 0.5mm；The linear diameter of the copper conductor 22 is 0.1mm, and the length of the initial segment L1 is 3.54mm, interlude
The distance between length 4.5mm of L2, multiple interlude L2 L3 is 0.3mm；The copper conductor 22 is PI-Cu-PI three-deckers,
The conductive small column 21 is Cu-PI double-deckers, and the side of copper is connected with the battery 3.
A kind of embodiment 2, three layers of flexible battery structure preparation method, comprises the following steps：
A. PI thin film is prepared with spin-coating method；
B. one layer of Copper Foil is deposited with PI film surfaces, photoetching corrosion Copper Foil forms island bridge shape；
C. one layer of PI thin film of hot repressing on the Copper Foil of the island bridge shape of molding, afterwards dry etching conduction roundlet columnar region
The PI thin film of upper new hot pressing, Jiang Tongdao exposes；
D. using cut PI thin film is formed and copper island bridge construction identical shape, and makes PI thin film be slightly wider than copper
Paper tinsel, obtains whole island bridge construction；
E. repeat step A-D, makes second layer island bridge construction；
F. the side of all PI thin film of ground floor island bridge construction is connected in extensile substrate with gluing；
G. one side bonds of the island exposed copper of the ground floor island bridge construction on the positive pole of battery and substrate are made with conducting resinl
Array is in parallel, and positive pole is drawn by island bridge construction；
H. the negative pole of battery and a side bonds of the island exposed copper of second layer island bridge construction are made into array with conducting resinl
Parallel connection, negative pole is drawn by island bridge construction.
Claims (5)
1. a kind of three layers of flexible battery structure, it is characterised in that：It includes flexible substrates (1), island bridge construction (2), battery (3)；
The flexible substrates (1) be can omnidirectional stretching flexible insulating material；
The island bridge construction (2) is placed in the flexible substrates (1)；The island bridge construction (2) is including conductive small column (21), copper
Wire (22)；The copper conductor (22) is in parallel by the conductive small column (21)；The distance between described conductive small column (21)
It is identical with the distance between the binding post of two batteries (3)；
Together with the described conductive small column (21) of the battery (3) and the island bridge construction (2) conductive silver glue is pasted；It is described
Battery (3) is corresponded with the conductive small column (21), and close-packed arrays cover whole substrate.
2. three layers of flexible battery structure of one kind as claimed in claim 1, it is characterised in that：The flexible substrates (1) are
Ecoflex materials.
3. three layers of flexible battery structure of one kind as claimed in claim 1, it is characterised in that：Between the conductive small column (21)
The copper conductor (22) be S types, can stretch with the stretching of the flexible substrates (1), ductility is up to 45%.
4. three layers of flexible battery structure of one kind as claimed in claim 1, it is characterised in that：The island bridge construction (2) is copper island
Bridge construction, the side of copper is connected with battery electrode with conducting resinl, and thickness is 0.1mm, and left and right or the neighbouring conduction are little
The distance between cylinder (21) center is 4mm, and the radius of the conductive small column (21) is 0.5mm；The copper conductor (22)
Linear diameter is 0.1mm, and the length of the initial segment L1 is 3.54mm, length 4.5mm of the L2 of interlude, between multiple interlude L2
It is 0.3mm apart from L3；The copper conductor (22) is PI-Cu-PI three-deckers, and the conductive small column (21) is double-deck for Cu-PI
Structure, the side of copper is connected with the battery (3).
5. a kind of three layers of flexible battery structure preparation method, it is characterised in that comprise the following steps：
A. PI thin film is prepared with spin-coating method；
B. one layer of Copper Foil is deposited with PI film surfaces, photoetching corrosion Copper Foil forms island bridge shape；
C. one layer of PI thin film of hot repressing on the Copper Foil of the island bridge shape of molding, new on dry etching conduction roundlet columnar region afterwards
The PI thin film of hot pressing, Jiang Tongdao exposes；
D. using cut PI thin film is formed and copper island bridge construction identical shape, and makes PI thin film be slightly wider than Copper Foil,
Obtain whole island bridge construction；
E. repeat step A-D, makes second layer island bridge construction；
F. the side of all PI thin film of ground floor island bridge construction is connected in extensile substrate with gluing；
G. one side bonds of the island exposed copper of the ground floor island bridge construction on the positive pole of battery and substrate are made into battery with conducting resinl
Array in parallel, positive pole is drawn by island bridge construction；
H. the negative pole of battery and a side bonds of the island exposed copper of second layer island bridge construction are made into array simultaneously with conducting resinl
Connection, negative pole is drawn by island bridge construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041247.1A CN106654344B (en) | 2017-01-20 | 2017-01-20 | Three layers of flexible battery structure of one kind and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041247.1A CN106654344B (en) | 2017-01-20 | 2017-01-20 | Three layers of flexible battery structure of one kind and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106654344A true CN106654344A (en) | 2017-05-10 |
| CN106654344B CN106654344B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710041247.1A Active CN106654344B (en) | 2017-01-20 | 2017-01-20 | Three layers of flexible battery structure of one kind and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273610A (en) * | 2018-11-07 | 2019-01-25 | 东华大学 | A kind of stretchable perovskite solar battery and its preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7870691B2 (en) * | 2009-07-15 | 2011-01-18 | Williams David A | Green roof tile system and methods of use |
| CN104701472A (en) * | 2013-12-10 | 2015-06-10 | 许振宇 | Tensible and bendable flexible battery structure |
| US20150373831A1 (en) * | 2013-02-06 | 2015-12-24 | Lin Jia | Stretchable electronic systems with containment chambers |
| CN106185782A (en) * | 2016-09-12 | 2016-12-07 | 桂林电子科技大学 | A kind of flexible substrates towards extending electronics |
-
2017
- 2017-01-20 CN CN201710041247.1A patent/CN106654344B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7870691B2 (en) * | 2009-07-15 | 2011-01-18 | Williams David A | Green roof tile system and methods of use |
| US20150373831A1 (en) * | 2013-02-06 | 2015-12-24 | Lin Jia | Stretchable electronic systems with containment chambers |
| CN104701472A (en) * | 2013-12-10 | 2015-06-10 | 许振宇 | Tensible and bendable flexible battery structure |
| CN106185782A (en) * | 2016-09-12 | 2016-12-07 | 桂林电子科技大学 | A kind of flexible substrates towards extending electronics |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273610A (en) * | 2018-11-07 | 2019-01-25 | 东华大学 | A kind of stretchable perovskite solar battery and its preparation method and application |
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| Publication number | Publication date |
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| CN106654344B (en) | 2019-09-06 |
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