CN210224174U - Flexible battery with coplanar positive and negative electrodes and composite flexible battery - Google Patents
Flexible battery with coplanar positive and negative electrodes and composite flexible battery Download PDFInfo
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- CN210224174U CN210224174U CN201920976186.2U CN201920976186U CN210224174U CN 210224174 U CN210224174 U CN 210224174U CN 201920976186 U CN201920976186 U CN 201920976186U CN 210224174 U CN210224174 U CN 210224174U
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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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Abstract
The utility model relates to a positive negative pole is at coplanar flexible battery, including structure and compound flexible battery. This flexible battery includes: the collector comprises a base material, wherein a positive collector electrode and a negative collector electrode are arranged on the base material; the positive electrode and the negative electrode on the positive collector and the negative collector are positioned on the same plane, and the upper ends of the positive collector and the negative collector are covered with a connecting layer; the connecting layer is suitable for conducting ion current and insulating electron current; the utility model discloses an effectual battery thickness that has reduced of flexible battery has improved the flexibility to when preparing, can realize through printing or coating process, improved preparation efficiency, reduce the preparation cost.
Description
Technical Field
The utility model relates to a flexible battery field, concretely relates to positive negative pole is with plane flexible battery and compound flexible battery.
Background
At present, the positive electrode and the negative electrode printed on the flexible battery on the market are not on the same plane, the printing process is complex, the production efficiency is low, and the application environment is single.
The positive electrode and the negative electrode are not on the same plane and are arranged in a layered mode, so that the flexible battery with the structure is thick, poor in flexibility and limited in use occasions and product derivation due to the fact that the general curvature radius is 2-5 cm.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positive negative pole is with plane flexible battery, compound flexible battery.
In order to solve the technical problem, the utility model provides a flexible battery, include:
the collector comprises a base material, wherein a positive collector electrode and a negative collector electrode are arranged on the base material;
the positive electrode and the negative electrode of the positive collector and the negative collector are positioned on the same plane, and the upper ends of the positive collector and the negative collector are covered with a connecting layer;
the connecting layer is adapted to conduct a flow of ions and to insulate a flow of electrons.
Further, a positive gap and a negative gap are arranged between the positive collector and the negative collector;
the width of the positive and negative gaps is 1 mm-9 mm.
Further, the thickness of the base material is 20-300 μm;
the thickness of the positive collector and the negative collector is 10-200 μm;
the thickness of the positive electrode is 10-300 mu m, and the thickness of the negative electrode is 10-500 mu m; and
the thickness of the connecting layer is 20-400 μm; and is
And the upper end surface of the connecting layer is provided with a packaging layer.
Further, the positive and negative current collectors are suitable for printing or coating on a substrate using a carbon paste.
Furthermore, the area ratio of the positive electrode to the negative electrode is 0.5-30.
In another aspect, the present invention also provides a composite flexible battery, including:
the battery pack comprises a substrate, at least two battery units which are arranged on the substrate and are suitable for being connected in parallel or series; wherein
The battery unit includes: a pair of positive and negative collectors;
the positive collector and the negative collector are positioned on the same plane;
connecting layers are covered on the upper ends of the positive electrode and the negative electrode of the positive collector and the negative collector;
the connecting layer is adapted to conduct a flow of ions and to insulate a flow of electrons.
Further, when the battery units are connected in parallel, the positive electrode and the negative electrode in each battery unit are respectively connected to form a positive common end and a negative common end, namely the positive common end and the negative common end are used as the positive electrode and the negative electrode of the composite flexible battery; or
When the battery units are connected in series, the positive electrodes and the negative electrodes in the battery units are sequentially connected, and positive and negative common ends are formed from head to tail to be used as the positive electrodes and the negative electrodes of the composite flexible battery.
The beneficial effects of the utility model are that, the utility model discloses an effectual battery thickness that has reduced of flexible battery has improved flexibility to when preparing, can realize through printing or coating process, improved preparation efficiency, reduce the preparation cost.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural view of a flexible battery of the present invention;
fig. 2 is a diagram showing the structure of each layer of the flexible battery of the present invention.
In the figure:
a substrate 1;
collector layer 2, positive collector 201, negative collector 202, positive and negative gaps 203;
a positive electrode 301 and a negative electrode 302;
a connection layer 4;
a glue layer 5;
and an encapsulation layer 6.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
Fig. 1 is a structural view of a flexible battery of the present invention;
fig. 2 is a diagram showing the structure of each layer of the flexible battery of the present invention.
As shown in fig. 1 and 2, the present embodiment 1 provides a flexible battery including: the collector comprises a substrate 1, wherein a positive collector electrode layer 2 and a negative collector electrode layer 2 are arranged on the substrate 1; the positive and negative electrodes of the positive and negative collectors are located on approximately the same plane, and the upper ends are covered with a connecting layer 4; the connection layer 4 is adapted to conduct the flow of ions and to insulate the flow of electrons.
The positive electrode and the negative electrode corresponding to the positive collector and the negative collector in the flexible battery are positioned on the same plane, so that the thickness of the flexible battery is reduced, the flexible battery is thinner, the flexibility is high, and the curvature radius can reach 0.5-2 cm.
In this embodiment, the shape of the flexible battery may be any geometric figure. The main material of the positive electrode 301 may be, but is not limited to, one or more compounds capable of receiving electrons, such as manganese dioxide and silver oxide; the main material of the negative electrode 302 may be, but is not limited to, zinc powder, copper powder, or a reducing substance capable of releasing electrons. In other embodiments, materials that can satisfy the normal operation of the positive and negative electrodes are within the scope of the present application.
In this embodiment, in order to prevent the internal short circuit of the battery, a positive and negative gap 203 is provided between the positive and negative collectors, the width of the positive and negative gap 203 is adjustable according to the design of the battery, and the width of the positive and negative gap 203 is 1mm to 9mm, preferably 3mm or 6 mm.
As a preferred embodiment of the present flexible battery, the thickness parameters of the layers are as follows:
the thickness of the base material 1 is 50-300 μm, preferably 100-200 μm; the thickness of the positive collector and the negative collector is 10-200 μm, preferably 50-150 μm; the thickness of the positive electrode is 10-300 μm, preferably 50-150 μm, 260 μm, and the thickness of the negative electrode is 10-500 μm, preferably 50-150 μm, 260 μm, 350 μm, 450 μm; and the thickness of the connecting layer is 20-400 μm, preferably 50, 150, 260, 350 μm; and the upper end face of the connecting layer is provided with an encapsulation layer.
In the present embodiment, the positive and negative current collectors are suitable for being printed or coated on the substrate 1 by using carbon paste, such as but not limited to carbon paste, carbon material such as graphene, carbon black, graphite, etc.
The slurry of the substrate 1 may be, but is not limited to, a carbon-based material.
Preferably, in the embodiment, the area ratio of the positive electrode to the negative electrode is 0.5-30, wherein the area of the negative electrode is not less than 2m2E.g. 4m2、18m2、25m2And the like.
The connection layer is made of, for example, but not limited to, a fibrous material such as a separator paper or a filter paper, and can be made conductive to ions and insulating electron flow by adding an appropriate amount of electrolyte.
The positive and negative electrodes may be in a regular or irregular structure such as a semicircle, a triangle, a square, etc. in this embodiment.
The connecting layer 4 is connected with an encapsulating layer 6 through a glue layer 5, and the encapsulating layer 6 can be encapsulated by but not limited to an insulating glue, and can also be made of plastic films such as PET, PV and PE materials.
In the present embodiment, the voltage of the flexible battery can be divided into 1.5V or 3V, but not limited thereto, and both the area and the shape of the battery region can be changed. The capacity of the present flexible battery may be, but is not limited to, 0.1mAH to 10 mAH.
The electric capacity of the flexible battery is reduced compared with that of the laminated battery, but the flexibility is improved, so that the situation that the traditional laminated battery cannot be used can be met, and the flexible battery can be used in the fields of cosmetics and medicine and is more skin-friendly.
Example 2
On the basis of embodiment 1, this embodiment 2 provides a composite flexible battery including: the battery pack comprises a substrate 1, at least two battery units which are arranged on the substrate 1 and are suitable for being connected in parallel or series; wherein the battery cell includes: a pair of positive and negative collectors; the positive collector and the negative collector are positioned on the same plane; connecting layers are covered on the upper ends of the positive electrode and the negative electrode of the positive collector and the negative collector; the connecting layer is adapted to conduct a flow of ions and to insulate a flow of electrons.
In this embodiment, the description of the battery cell is similar to the principle of the flexible battery in embodiment 1, except that the same substrate 1 may be used.
For the composite flexible battery, the specific embodiment of the parallel connection or the series connection of the battery units is as follows:
when the battery units are connected in parallel, the positive electrode and the negative electrode in each battery unit are respectively connected to form a positive common end and a negative common end, namely the positive common end and the negative common end are used as the positive electrode and the negative electrode of the composite flexible battery. The output current of the composite flexible battery can be improved through parallel connection.
When the battery units are connected in series, the positive electrode 301 and the negative electrode 302 in each battery unit are sequentially connected, and form a positive common end and a negative common end from head to tail to serve as the positive electrode and the negative electrode of the composite flexible battery, and the output voltage of the flexible battery can be improved by connecting the battery units in series.
Electronically conductive materials may be used for each cell connection.
Therefore, the flexible battery can be widely used in skin care products such as a drug pasting film, a face pasting film and the like.
In conclusion, the flexible battery effectively reduces the thickness of the battery, improves the flexibility, can be realized by a printing or coating process during preparation, improves the preparation efficiency and reduces the preparation cost; the material consumption can be controlled by the printing area, the production cost is reduced, and the production efficiency is improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A flexible battery, comprising:
the collector comprises a base material, wherein a positive collector electrode and a negative collector electrode are arranged on the base material;
the positive electrode and the negative electrode on the positive collector and the negative collector are positioned on the same plane, and the upper ends of the positive collector and the negative collector are covered with a connecting layer;
the connecting layer is adapted to conduct a flow of ions and to insulate a flow of electrons.
2. The flexible battery of claim 1,
a positive gap and a negative gap are arranged between the positive collector and the negative collector;
the width of the positive and negative gaps is 1 mm-9 mm.
3. The flexible battery of claim 1,
the thickness of the base material is 20-300 mu m;
the thickness of the positive collector and the negative collector is 10-200 μm;
the thickness of the positive electrode is 10-300 mu m, and the thickness of the negative electrode is 10-500 mu m; and
the thickness of the connecting layer is 20-400 μm; and is
And the upper end surface of the connecting layer is provided with a packaging layer.
4. The flexible battery of claim 1,
the positive and negative current collectors are suitably printed or coated on the substrate using a carbon paste.
5. The flexible battery of claim 1,
the area ratio of the positive electrode to the negative electrode is 0.5-30.
6. A composite flexible battery, comprising:
the battery pack comprises a substrate, at least two battery units which are arranged on the substrate and are suitable for being connected in parallel or series; wherein
The battery unit includes: a pair of positive and negative collectors;
the positive collector and the negative collector are positioned on the same plane;
connecting layers are covered on the upper ends of the positive electrode and the negative electrode of the positive collector and the negative collector;
the connecting layer is adapted to conduct a flow of ions and to insulate a flow of electrons.
7. The composite flexible battery of claim 6,
when the battery units are connected in parallel, the positive electrode and the negative electrode in each battery unit are respectively connected to form a positive common end and a negative common end, namely the positive common end and the negative common end are used as the positive electrode and the negative electrode of the composite flexible battery; or
When the battery units are connected in series, the positive electrodes and the negative electrodes in the battery units are sequentially connected, and positive and negative common ends are formed from head to tail to be used as the positive electrodes and the negative electrodes of the composite flexible battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976186.2U CN210224174U (en) | 2019-06-26 | 2019-06-26 | Flexible battery with coplanar positive and negative electrodes and composite flexible battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976186.2U CN210224174U (en) | 2019-06-26 | 2019-06-26 | Flexible battery with coplanar positive and negative electrodes and composite flexible battery |
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| CN210224174U true CN210224174U (en) | 2020-03-31 |
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| CN201920976186.2U Active CN210224174U (en) | 2019-06-26 | 2019-06-26 | Flexible battery with coplanar positive and negative electrodes and composite flexible battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165238A (en) * | 2019-06-26 | 2019-08-23 | 江苏恩福赛柔性电子有限公司 | Positive and negative electrodes in same planar flexible battery, method of preparation and use, composite and flexible battery |
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2019
- 2019-06-26 CN CN201920976186.2U patent/CN210224174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165238A (en) * | 2019-06-26 | 2019-08-23 | 江苏恩福赛柔性电子有限公司 | Positive and negative electrodes in same planar flexible battery, method of preparation and use, composite and flexible battery |
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