CN113540652A - Battery and terminal equipment - Google Patents
Battery and terminal equipment Download PDFInfo
- Publication number
- CN113540652A CN113540652A CN202010237240.9A CN202010237240A CN113540652A CN 113540652 A CN113540652 A CN 113540652A CN 202010237240 A CN202010237240 A CN 202010237240A CN 113540652 A CN113540652 A CN 113540652A
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- battery
- naked
- naked electric
- cores
- electric core
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- 239000004033 plastic Substances 0.000 claims abstract description 42
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000005538 encapsulation Methods 0.000 claims abstract description 22
- 239000002985 plastic film Substances 0.000 claims description 7
- 229920006255 plastic film Polymers 0.000 claims description 7
- 239000008393 encapsulating agent Substances 0.000 claims 1
- 239000012785 packaging film Substances 0.000 abstract description 8
- 229920006280 packaging film Polymers 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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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
Abstract
The application discloses battery and terminal equipment, battery include plastic envelope membrane and encapsulation many naked electric cores in the plastic envelope membrane, naked electric core piles up the encapsulation and is in the plastic envelope membrane, and/or naked electric core encapsulates side by side in the plastic envelope membrane. According to the technical scheme provided by the embodiment of the application, the two naked battery cores are arranged in the same plastic packaging film, and the two naked battery cores are in the same electrochemical environment in the same plastic packaging film, so that the influence caused by other factors is avoided when the two naked battery cores are charged and discharged, and the consistency of the cycle life of the two battery cores in the battery can be improved; further, set up two naked electric cores in same plastic envelope membrane, compare the mode that two finished product electric cores are connected, the battery in this application can increase certain width, the capacity of further promotion battery.
Description
Technical Field
The present invention relates generally to the field of batteries, and more particularly to batteries and terminal devices.
Background
With the arrival of 5G, the charging power requirement for the mobile phone battery is higher and higher, and the charging power is voltage and current. The existing method for improving the charging power is to improve the voltage of a battery material system on one hand and enhance the high-rate through-current capacity of the material on the other hand; however, the change of the material system generally brings about a significant increase of the cost, and the development of the new generation of materials requires a long development period; on the other hand can carry out the electricity with a plurality of good electric cores of encapsulation and connect, carries out the promotion of charging power, but, the electrochemical environment that a plurality of good electric cores of encapsulation actually were located has the difference, and the more important parameter that influences electric core charging speed is concentration polarization, and concentration polarization is influenced by electrochemical environment greatly, and a plurality of good electric core electrochemical environment of encapsulation are different, and charging speed each other can have the difference.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a battery and a terminal device.
In a first aspect, a battery is provided, including plastic packaging film and encapsulation many naked electric cores in the plastic packaging film, naked electric core piles up the encapsulation and is in the plastic packaging film, and/or naked electric core encapsulates side by side in the plastic packaging film.
In a second aspect, a terminal device is provided, which comprises the battery.
According to the technical scheme provided by the embodiment of the application, the two naked battery cores are arranged in the same plastic packaging film, and the two naked battery cores are in the same electrochemical environment in the same plastic packaging film, so that the influence caused by other factors is avoided when the two naked battery cores are charged and discharged, and the consistency of the cycle life of the two battery cores in the battery can be improved; further, set up two naked electric cores in same plastic envelope membrane, compare the mode that two finished product electric cores are connected, the battery in this application can increase certain width, the capacity of further promotion battery.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a battery according to an embodiment;
FIG. 2 is a schematic diagram of another embodiment of a battery;
fig. 3 is a diagram illustrating the test results of the battery of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1 and fig. 2, the present application provides a battery, including plastic envelope membrane 1 and encapsulation in many naked electric cores in the plastic envelope membrane 1, naked electric core stack encapsulation is in the plastic envelope membrane 1, and/or naked electric core side by side encapsulation is in the plastic envelope membrane 1.
This application is through encapsulating many naked electric cores in same plastic envelope membrane for many naked electric cores are in the same electrochemistry environment when carrying out charge-discharge, makes many naked electric cores avoid the influence that other factors brought in charge-discharge, can improve two electric core cycle life's in the battery uniformity. The arrangement mode of the multiple bare cells in this embodiment is determined by the specific requirements of the battery, and whether the multiple bare cells are stacked or placed side by side is determined by the actual space architecture of the battery, for example, if the battery is enough in the longitudinal space, the bare cells are stacked or placed, or if the battery is enough in the transverse space, the bare cells are placed side by side; further, or the naked electric core number that needs the encapsulation is more, can set many naked electric cores to the mode that the array was arranged for naked electric core can regular spread, the manufacturing of being convenient for.
Further, the bare electric cores in the plastic package films are connected in parallel and/or in series. The multiple bare cells in the embodiment are connected in parallel and/or in series, the charging power of the battery is improved by a method for increasing the charging current or a method for increasing the charging voltage, and the bare cells in the specific plastic film are electrically connected in parallel or in series or in parallel or in series, so that the number of the bare cells and the battery demand need to be determined.
Further, two naked electric core encapsulation is in the plastic envelope, two naked electric core piles up the encapsulation in the plastic envelope, two naked electric core parallel connection.
In the aspect of this battery in implementation is applied to the cell-phone usually, consequently, adopt two naked electric cores to carry out the electricity and connect in the battery can, as shown in fig. 1, this embodiment provides a schematic diagram that two naked electric cores carry out the encapsulation, be first naked electric core 2 and the naked electric core 3 of second respectively, the battery is sufficient in the direction of height space in this encapsulated mode, pile up first naked electric core 2 and the naked electric core 3 of second and place, the encapsulation is in plastic envelope membrane 1, two naked electric cores form parallel circuit, the method through promoting charging current improves charging power.
Further, two naked electric core encapsulation is in the plastic envelope membrane, two naked electric core encapsulation side by side is in the plastic envelope membrane, two naked electric core series connection or parallel connection.
As shown in fig. 2, the naked electric core 3 of first naked electric core 2 and second that this embodiment provided is placed side by side, and the battery is enough in length direction upper space in this packaging mode, and the naked electric core 3 of first naked electric core 2 and second side by side encapsulation is in the plastic envelope membrane, and two naked electric cores can form series circuit side by side, improve charging power through the method of lifting voltage, or two naked electric cores form parallel circuit, improve charging power through the method of lifting charging current.
Fig. 1 and fig. 2 two embodiments all encapsulate first naked electric core 2 and the naked electric core 3 of second in same plastic envelope membrane, the plastic envelope membrane is when encapsulating naked electric core, fold again after the side of battery needs to overlap, compare two conventional finished product electric core electricity and connect, the battery in the above-mentioned embodiment has reduced six layers of plastic envelope membrane on the encapsulation of plastic envelope membrane, can provide the distance of 0.545 ~ 0.69mm length for the battery, if make the same volume with the battery, the battery in the above-mentioned embodiment can promote 25 ~ 50 mAh's capacity, can effectively promote the capacity and the life of battery under the same volume.
Further, every be equipped with a pair of utmost point ear on the naked electric core, a pair of utmost point ear protrusion naked electric core setting.
Each naked electric core protrusion in this embodiment is provided with utmost point ear, for example utmost point ear 21 that first naked electric core 2 stretches out and the utmost point ear 31 that the naked electric core 3 of second stretches out, and the utmost point ear of connecting each naked electric core through the circuit board realizes the electricity between the naked electric core to be connected, and the utmost point ear stretches out the plastic envelope membrane, and the last opening that is equipped with of plastic envelope membrane is used for stretching out utmost point ear, and the position of opening still is equipped with the plastic envelope and glues and fix utmost point ear on the plastic envelope membrane.
Further, it is a plurality of the utmost point ear setting of naked electric core is in the same side of battery. In this embodiment, each bare cell is stacked or placed side by side, wherein the tab of each bare cell extends out of the plastic package film, the position of the tab illustrates the placing manner of each bare cell in the plastic package film, the tab of each bare cell can be placed on the same side of the battery, such as the structure shown in fig. 2, the placing position enables the first bare cell 2 and the second bare cell 3 to be placed in sequence, the tab 21 of the first bare cell 2 and the tab of the second bare cell 3 are also placed in sequence and arranged on the same side of the battery to form a regular shape, which is convenient for the preparation of the battery, two pits can be provided for placing two bare cells respectively when placing the bare cells, a large pit can also be provided, two bare cells are directly placed therein, in the subsequent electrolyte injection process, the regular placing of the bare cells can ensure that the electrolyte has good wettability, and the battery charging and discharging effect is ensured to be better. Further, in the actual production process, the structure and the shape of the battery can be changed according to actual requirements, and the placement positions among all the bare cells can also be changed to change the structure of the battery.
Further, it is a plurality of the utmost point ear setting of naked electric core is in the relative both sides face of battery.
This embodiment can also set up the utmost point ear of each naked electric core in the different sides of battery, for example shown in fig. 1, set up in the relative both sides face of battery, first naked electric core 2 and the naked electric core 3 of second are placed for piling up in fig. 1, and the utmost point ear of every naked electric core stretches out the plastic envelope membrane, can stretch out the different sides of the follow battery that utmost point ear set up according to actual installation demand, and the utmost point ear 21 of first naked electric core 2 and the utmost point ear 31 setting of the naked electric core 3 of second are in the relative both sides face of electricity measurement.
Furthermore, the maximum current that each naked electric core can bear is different.
In this embodiment, a plurality of bare cells are disposed in the same plastic film, for example, as shown in fig. 1 and fig. 2, when a bare cell is selected, the maximum currents that can be borne by two bare cells may be the same or different, and when a chemical system is selected, a chemical system whose dynamic capability can satisfy the maximum current that can be borne by a small-capacity bare cell is selected; furthermore, the dynamic capacity of the small-capacity bare cell can be improved through the adjustment of the coating weight, and the cycle life of the battery is further prolonged.
The two bare cells provided in the above embodiment are packaged in the same plastic film, and the prepared battery is tested, and the test result is shown in fig. 3, where the abscissa is the number of cycles of charging and discharging of each battery, and the ordinate is the capacity ratio of each battery, and the whole curve can show the attenuation trend of the battery, and after 500 cycles, the capacity ratio of the battery is still maintained at about 94%, and the performance of the battery meets the requirements.
The embodiment also provides a terminal device, which comprises the battery. The terminal equipment of the embodiment can be a mobile phone and a panel lamp electronic equipment, and is generally packaged by two bare cells; also can further use in the aspect of storage battery car, electric automobile, carry out the encapsulation of a plurality of naked electric cores according to actual need, through the life who promotes the battery improve terminal equipment.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. The utility model provides a battery, its characterized in that, includes plastic envelope membrane and encapsulation many naked electric cores in the plastic envelope membrane, naked electric core piles up the encapsulation and is in the plastic envelope membrane, and/or naked electric core encapsulates side by side in the plastic envelope membrane.
2. The battery of claim 1, wherein the bare cells within the plastic encapsulant are connected in parallel and/or series.
3. The battery of claim 1 or 2, wherein two of the bare cells are encapsulated in the plastic film, two of the bare cells are stacked and encapsulated in the plastic film, and two of the bare cells are connected in parallel.
4. The battery of claim 1 or 2, wherein two of the bare cells are encapsulated in the plastic film, two of the bare cells are encapsulated side by side in the plastic film, and two of the bare cells are connected in series or in parallel.
5. The battery of claim 1, wherein each of the bare cells has a pair of tabs protruding from the bare cell.
6. The battery of claim 5, wherein the tabs of the plurality of bare cells are disposed on a same side of the battery.
7. The battery of claim 5, wherein the tabs of the plurality of bare cells are disposed on opposite sides of the battery.
8. The battery of claim 1, wherein the maximum current that each of the bare cells can withstand is different.
9. A terminal device, characterized in that it comprises a battery according to claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010237240.9A CN113540652A (en) | 2020-03-30 | 2020-03-30 | Battery and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010237240.9A CN113540652A (en) | 2020-03-30 | 2020-03-30 | Battery and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113540652A true CN113540652A (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010237240.9A Pending CN113540652A (en) | 2020-03-30 | 2020-03-30 | Battery and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113540652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116937723A (en) * | 2022-04-08 | 2023-10-24 | 荣耀终端有限公司 | Battery control circuit, electronic device and charging control method |
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| CN201766116U (en) * | 2010-09-15 | 2011-03-16 | 惠州市德赛聚能电池有限公司 | Coiled flexible package lithium ion battery |
| WO2013042612A1 (en) * | 2011-09-21 | 2013-03-28 | Ｎｅｃエナジーデバイス株式会社 | Film sheath battery and assembled battery |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |