CN112103548A - Power supply module and electronic device - Google Patents
Power supply module and electronic device Download PDFInfo
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- CN112103548A CN112103548A CN201910525163.4A CN201910525163A CN112103548A CN 112103548 A CN112103548 A CN 112103548A CN 201910525163 A CN201910525163 A CN 201910525163A CN 112103548 A CN112103548 A CN 112103548A
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- power supply
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- bending
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- 238000005452 bending Methods 0.000 claims abstract description 58
- 230000005489 elastic deformation Effects 0.000 claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 claims abstract description 12
- 210000004027 cell Anatomy 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 16
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 210000005056 cell body Anatomy 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000013013 elastic material Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920001665 Poly-4-vinylphenol Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present disclosure relates to a power supply module and an electronic device, the power supply module including: the battery comprises at least one battery cell main body and an elastic packaging piece covering the at least one battery cell main body. The deformation parameters of the first elastic part of the electrode layer can be correspondingly matched with the bending parameters of the power supply assembly in the bending state, so that the electrode layer is subjected to corresponding elastic deformation along with the bending of the power supply assembly. Above-mentioned electric core main part is by the cladding in elastic packaging spare for the corresponding elastic deformation that the essential element of power supply module can produce under its each state of buckling, thereby avoid power supply module to take place hard colliding with and damage, promoted power supply module's elasticity performance and safety in utilization. In addition, based on the elastic performance of the power supply assembly, the power supply assembly is compatible with various space structures, and the space utilization rate in the electronic equipment is improved.
Description
Technical Field
The present disclosure relates to the field of electronic technologies, and in particular, to a power supply module and an electronic device.
Background
In the related art, in order to meet the demand of people for miniaturization and diversification of use states of electronic devices, flexible electronic products are becoming a development trend in the future. However, the power supply of the electronic device in the related art generally adopts a rigid structure and package, is difficult to bend, is easy to collide and damage in the use process of the flexible electronic device, and threatens the service life of the power supply and the use safety of the electronic device.
Therefore, how to improve the elastic performance of the power supply to adapt to the bending performance of the flexible electronic device becomes a research hotspot in the current field.
Disclosure of Invention
The present disclosure provides a power supply module and an electronic device, which can improve the elasticity and the safety of the power supply module, and improve the space utilization inside the electronic device.
According to a first aspect of the present disclosure, there is provided a power supply component comprising: the battery comprises at least one battery cell main body and an elastic packaging piece covering the at least one battery cell main body;
the battery cell main body comprises an isolation layer and electrode layers arranged on two sides of the isolation layer;
the power supply assembly comprises a plurality of bending states with different bending parameters, the electrode layer comprises at least one first elastic part, and the deformation parameter of each first elastic part is matched with the bending parameter of at least one bending state, so that the electrode layer generates corresponding elastic deformation along with the bending of the power supply assembly;
the isolation layer includes a second elastic portion corresponding to at least one of the first elastic portions.
Optionally, there is one first elastic portion, and a deformation parameter of the first elastic portion is matched with a bending parameter of any bending state of the power supply component.
Optionally, the first elastic parts are multiple, and two adjacent first elastic parts are arranged at a preset angle with each other.
Optionally, the predetermined angle comprises an acute angle.
Optionally, the first elastic portion is made of silicone.
Optionally, the number and the position of the second elastic parts correspond to those of the first elastic parts one to one.
Optionally, the second elastic portion is made of silica gel.
Optionally, the plurality of battery cell main bodies are arranged according to a preset rule, and the elastic packaging member covers the plurality of battery cell main bodies to form a power supply assembly with a preset shape.
Optionally, the material of the elastic package includes an aluminum plastic film.
According to a second aspect of the present disclosure, there is provided an electronic device comprising a flexible screen, a device body, and the power supply assembly; an accommodating space is arranged in the equipment main body, and the power supply assembly is assembled in the accommodating space; the flexible screen comprises a plurality of flexible states, and the flexible states correspond to the bending states of the power supply assembly one by one.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
this is disclosed sets up at least one first elasticity portion through the electrode layer for electric core main part, and wherein, the deformation parameter of first elasticity portion can correspond to be matchd in the bending parameter under the power supply module is in the state of buckling to make the electrode layer take place corresponding elastic deformation along with the buckling of power supply module. And the isolation layer of the battery cell main body further comprises a second elastic part corresponding to the at least one first elastic part so as to be matched with the electrode layer to generate corresponding elastic deformation. Above-mentioned electric core main part is by the cladding in elastic packaging spare for the corresponding elastic deformation that the essential element of power supply module can produce under its each state of buckling, thereby avoid power supply module to take place hard colliding with and damage, promoted power supply module's elasticity performance and safety in utilization. In addition, based on the elastic performance of the power supply assembly, the power supply assembly is compatible with various space structures, and the space utilization rate in the electronic equipment is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic diagram of a power supply assembly in an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a power supply assembly in another exemplary embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a power supply assembly in yet another exemplary embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a cell body and an electrode layer thereof in an exemplary embodiment of the disclosure;
fig. 5 is a schematic structural diagram of an electronic device in an exemplary embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the related art, in order to meet the demand of people for miniaturization and diversification of use states of electronic devices, flexible electronic products are becoming a development trend in the future. However, the power supply of the electronic device in the related art generally adopts a rigid structure and package, is difficult to bend, is easy to collide and damage in the use process of the flexible electronic device, and threatens the service life of the power supply and the use safety of the electronic device.
Fig. 1 is a schematic diagram of a power supply assembly in an exemplary embodiment of the present disclosure. As shown in fig. 1, the power supply module 1 includes: at least one cell main body 11 and an elastic packaging member 12 covering the at least one cell main body 11. The battery cell main body 11 comprises an isolation layer 112 and electrode layers 111 arranged on two sides of the isolation layer 112, the power supply module 1 comprises a plurality of bending states with different bending parameters, each electrode layer 111 comprises at least one first elastic part 1111, and the deformation parameter of each first elastic part 1111 is matched with the bending parameter of at least one bending state, so that the electrode layer 111 is bent along with the power supply module 1 to generate corresponding elastic deformation. The release layer 112 includes a second elastic portion 1121 corresponding to at least one first elastic portion 1111.
It should be noted that the bending parameters of the power module 1 in the bent state may be: the bending position, the bending angle, the bending direction and other parameters of the power supply assembly 1 are used for representing and describing the current bending state of the power supply assembly 1 through the bending parameters. The deformation parameters of the first elastic part 1111 may be: the deformation direction and the deformation magnitude of the first elastic portion 1111 are used to characterize and describe the state of the first elastic portion 1111 stretching or compressing along with the bending of the power module 1.
For example, the following steps are carried out: taking the power module 1 including one cell body 11 as an example, a bending state of the power module 1 shown in fig. 2, for example, will be described: the bending position is one corner of the bottom of the power supply assembly 1, the bending direction is the diagonal direction along the bottom corner, and the bending angle is the curl of a preset angle. The deformation parameters of the first elastic portion 1111 corresponding to the power supply module 1 may be: along the diagonal direction of one corner of the bottom, the deformation is elastic and tensile corresponding to the bending angle of the power supply module 1.
In the above embodiment, since the strain parameter of the first elastic portion 1111 of the electrode layer 111 can be matched to the bending parameter when the power module 1 is bent, the electrode layer 111 can be elastically deformed according to the bending of the power module 1. And the separation layer 112 of the cell main body 11 further includes a second elastic portion 1121 corresponding to the at least one first elastic portion 1111, so as to cooperate with the electrode layer 111 to generate corresponding elastic deformation. Above-mentioned electric core main part 11 is by the cladding in elastic packaging part 12 for the corresponding elastic deformation that power supply module 1's essential element can produce under its each state of buckling, thereby avoid power supply module 1 to take place hard colliding with and damage, promoted power supply module 1's elasticity performance and safety in utilization.
The following description will be made for the arrangement of the first elastic part 1111 in the electrode layer 111 and the second elastic part 1121 in the separator layer 112:
in one embodiment, as shown in fig. 3, one electrode layer 111 includes one first elastic portion 1111, and the deformation parameter of the first elastic portion 1111 matches the bending parameter of any bending state of the power module 1. That is, regardless of the bent state of the power module 1, the first elastic portion 1111 can be elastically deformed in response thereto, and can absorb the bending stress applied to the electrode layer 111. At this time, the first elastic part 1111 may be matched in structural size to the entire size of the electrode layer 111; alternatively, the first elastic part 1111 may be a base layer of the electrode layer 111, and the working electrode may be provided on the first elastic part 1111 as the base layer. The structure of the first elastic part 1111 integrated with the electrode layer 111 can improve the deformation capability of the electrode layer 111 for different bending, prevent the electrode layer 111 from breaking and hard collision due to excessive local stress, and improve the use safety of the electrode layer 111.
In another embodiment, as shown in fig. 4, the first elastic portion 1111 is provided in plurality, and the plurality of first elastic portions 1111 are arranged in an array. Further, two adjacent first elastic parts 1111 may be disposed at a predetermined angle with each other. Through a plurality of first elastic parts 1111 with inclination angles, the electrode layer 111 has the capability of elastic deformation in a plurality of directions, the excessive occupation of the thickness or the assembly space of the electrode layer 111 can be avoided, and a sufficient space is provided for the working electrode and other functional parts of the electrode layer 111.
The preset angle includes an acute angle to improve the density of the first elastic portion 1111, and increase the stress absorption capability of the electrode layer 111 to bending. In addition, the preset angles between the adjacent first elastic parts 1111 may be the same, so as to improve the processing convenience of the electrode layer 111. Or, since the frequencies of the flexible electronic device 2 in different flexible states are different during use, and the frequencies of the power module 1 in the corresponding bending states are different, the number of the first elastic portions 1111 at the bending positions corresponding to the bending states with higher use frequency can be increased, so that the number of the first elastic portions 1111 at the bending positions is greater than that at other bending positions, and the preset angle between the adjacent first elastic portions 1111 at the bending positions is smaller than that at other bending positions.
Furthermore, the number and the positions of the second elastic portions 1121 correspond to the first elastic portions 1111 one by one, so as to improve the bending performance of the isolation layer 112, and avoid the stress damage of the isolation layer 112 disposed between the two electrode layers 111 from affecting the use effect of the electrode layers 111 and the power module 1 as a whole. Alternatively, the isolation layer 112 may be formed by directly selecting a polyolefin film, a polyvinyl alcohol film, a polyvinyl chloride film, a polytetrafluoroethylene film, a polystyrene film, a polyvinyl phenol film, a polymethyl methacrylate film, a polyimide film, or a polyethylene terephthalate film, and adding an elastic material such as silica gel, and the like to the film, and the entire isolation layer 112 may be formed as the second elastic portion 1121 so as to generate elastic deformation corresponding to the bent state of the power module 1 in cooperation with the first elastic portion 1111.
The first elastic portion 1111 may be made of silicone, for example, an elastic material such as silicone is added to the aluminum plastic film, so that the first elastic portion 1111 has good stretching performance. Alternatively, the first elastic portion 1111 may further include other elastic materials such as rubber and elastic plastic to achieve elastic performance, which is not limited in this disclosure.
The number of the battery cell main bodies 11 is one or more, and when the number of the battery cell main bodies 11 is plural, the plural battery cell main bodies 11 are arranged according to a preset rule, and the elastic packaging member 12 covers the plural battery cell main bodies 11 to form the power supply module 1 having a preset shape. For example, the isolation layer 112 and the electrode layers 111 disposed on both sides of the isolation layer 112 are curled into columnar core main bodies, the columnar core main bodies are arranged in a regular arrangement in parallel, and the elastic package 12 hermetically wraps a plurality of core main bodies arranged in parallel to form a sheet structure matching the internal installation space of the electronic device 2. Different arrangement rules can obtain different shapes of power supply module 1, and the compatibility of power supply module 1 to different installation spaces is improved.
The elastic packaging member 12 is made of an aluminum-plastic film, so that the elasticity of the aluminum-plastic film is utilized to increase the overall deformation capacity of the power supply module 1 and the absorption capacity of the power supply module 1 on bending stress, and the power supply module 1 is prevented from being damaged due to bending. Furthermore, elastic materials such as silica gel and rubber may be added to the aluminum plastic film material of the elastic package 12 to improve the overall deformation capability of the power supply module 1 and the absorption capability of the power supply module 1 on bending stress, and prevent the power supply module 1 from being damaged by bending.
The present disclosure further proposes an electronic device 2, as shown in fig. 5, said electronic device 2 comprising a flexible screen 21, a device body 22 and said power supply assembly 1. An accommodating space is arranged in the equipment main body 22, and the power supply module 1 is assembled in the accommodating space; the flexible screen 21 includes a plurality of flexible states, and the flexible states correspond to the bent states of the power supply module 1 one to one.
At least one first elastic part 1111 is arranged on the electrode layer 111 of the battery cell main body 11, wherein the deformation parameters of the first elastic part 1111 can be correspondingly matched with the bending parameters of the power supply module 1 in the bending state, so that the electrode layer 111 is elastically deformed correspondingly along with the bending of the power supply module 1. And the separation layer 112 of the cell main body 11 further includes a second elastic portion 1121 corresponding to the at least one first elastic portion 1111, so as to cooperate with the electrode layer 111 to generate corresponding elastic deformation. Above-mentioned electric core main part 11 is by the cladding in elastic packaging part 12 for the corresponding elastic deformation that power supply module 1's essential element can produce under its each state of buckling, thereby avoid power supply module 1 to take place hard colliding with and damage, promoted power supply module 1's elasticity performance and safety in utilization.
When the flexible state of the flexible screen 21 corresponds to the bent state of the power module 1, the power module 1 can be in the corresponding bent state with respect to the flexible state of the flexible screen 21, and the elastic package 12 of the power module 1, the first elastic portion 1111 of the electrode layer 111, and the second elastic portion 1121 of the isolation layer 112 can generate corresponding elastic deformation, thereby absorbing stress acting on the power module 1, preventing the power module 1 from being damaged by stress, extrusion, or collision, and improving the safety of the electronic device 2. Further, the power module 1 can be made compatible with a plurality of types of storage spaces due to the above-described elastic properties of the respective components, and contributes to an improvement in space utilization efficiency inside the electronic device 2.
It should be noted that the electronic device 2 may be a mobile phone, a vehicle-mounted terminal, a tablet computer, a medical terminal, and the like, and the disclosure is not limited thereto.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A power supply assembly, comprising: the battery comprises at least one battery cell main body and an elastic packaging piece covering the at least one battery cell main body;
the battery cell main body comprises an isolation layer and electrode layers arranged on two sides of the isolation layer;
the power supply assembly comprises a plurality of bending states with different bending parameters, the electrode layer comprises at least one first elastic part, and the deformation parameter of each first elastic part is matched with the bending parameter of at least one bending state, so that the electrode layer generates corresponding elastic deformation along with the bending of the power supply assembly;
the isolation layer includes a second elastic portion corresponding to at least one of the first elastic portions.
2. The power supply component of claim 1, wherein there is one of said first resilient portions, and wherein a deformation parameter of said first resilient portion matches a bending parameter of any one of said power supply components in a bent state.
3. The power supply component of claim 1, wherein said first resilient portion is provided in plurality, and adjacent ones of said first resilient portions are disposed at a predetermined angle with respect to each other.
4. The power supply component of claim 3, wherein the predetermined angle comprises an acute angle.
5. The power supply component of claim 1, wherein the material of the first resilient portion comprises silicone.
6. The power supply component of claim 1, wherein the number and location of the second resilient portions correspond one-to-one with the first resilient portions.
7. The power supply component of claim 1, wherein the second resilient portion comprises silicone.
8. The power supply module of claim 1, wherein the plurality of battery cell bodies are arranged according to a predetermined rule, and the elastic packaging member covers the plurality of battery cell bodies to form a power supply module with a predetermined shape.
9. The power supply component of claim 1, wherein the resilient enclosure comprises an aluminum plastic film.
10. An electronic device comprising a flexible screen, a device body, and a power supply assembly according to any one of claims 1-9; an accommodating space is arranged in the equipment main body, and the power supply assembly is assembled in the accommodating space; the flexible screen comprises a plurality of flexible states, and the flexible states correspond to the bending states of the power supply assembly one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525163.4A CN112103548A (en) | 2019-06-18 | 2019-06-18 | Power supply module and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525163.4A CN112103548A (en) | 2019-06-18 | 2019-06-18 | Power supply module and electronic device |
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| CN112103548A true CN112103548A (en) | 2020-12-18 |
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| CN201910525163.4A Pending CN112103548A (en) | 2019-06-18 | 2019-06-18 | Power supply module and electronic device |
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| 刘振东，李成波: "《光伏技术理论与应用》", 30 April 2016 * |
| 陈新志等: "《化工热力学》", 30 April 2001 * |
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