CN115224452A - Battery packaging structure and terminal - Google Patents
Battery packaging structure and terminal Download PDFInfo
- Publication number
- CN115224452A CN115224452A CN202110402754.XA CN202110402754A CN115224452A CN 115224452 A CN115224452 A CN 115224452A CN 202110402754 A CN202110402754 A CN 202110402754A CN 115224452 A CN115224452 A CN 115224452A
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- Prior art keywords
- protection
- battery
- plates
- tab
- packaging structure
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The disclosure relates to a battery packaging structure and a terminal, wherein the battery packaging structure comprises a battery cell, a tab and a protection structure, the protection structure comprises at least two independent protection plates, and the battery cell is electrically connected with the at least two protection plates through the tab; at least two protection plates are stacked in the thickness direction of the protection plates. Among this battery packaging structure, a single protection shield among the correlation technique falls into a plurality of protection shields, then stacks up it and sets up, forms brand-new protection architecture, promptly, through the thickness that increases protection architecture, avoids protection architecture width size's increase to reduce the encroachment of protection architecture to the space that is used for installing electric core and occupy, can better satisfy the powerful demand of battery, can guarantee the arrangement space of electric core again, and then guarantee the size of electric core, ensure the capacity of battery.
Description
Technical Field
The present disclosure relates to the field of terminal technologies, and in particular, to a battery package structure and a terminal.
Background
Because the material of the lithium battery determines that the lithium battery cannot be overcharged, overdischarged, overcurrent, short-circuited and ultra-high-temperature charging and discharging, a protection plate is generally arranged in the lithium battery to protect the electric core of the lithium battery.
Along with people to the needs of battery power bigger and bigger, the protection shield is more and more complicated, sets up protection circuit and relevant device on it also more and more, leads to the protection plate size bigger and bigger, and the protection shield occupies the space of battery bigger and bigger, and this space that just leads to being used for arranging electric core in the battery can reduce, influences the size of electric core, influences the capacity of whole battery.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a battery package structure and a terminal.
According to a first aspect of the embodiments of the present disclosure, a battery package structure is provided, where the battery package structure includes a battery cell, a tab, and a protection structure, where the protection structure includes at least two independent protection plates, and the battery cell is electrically connected to the at least two protection plates through the tab;
the at least two protection plates are stacked in a thickness direction of the protection plate.
Optionally, the protection circuits on the at least two protection boards are electrically connected in parallel.
Optionally, each of the protection circuits includes at least two segments of protection cells.
Optionally, the at least two segments of protection cells are electrically connected in series.
Optionally, at least one of the at least two protection plates is connected with the tab.
Optionally, the tab is configured in a bent structure, and each of the protection plates is connected with the tab.
Optionally, the first side of the protection board is provided with a protection circuit, the second side is an insulating surface,
in the adjacent protection plates, at least one of two opposite side surfaces is an insulating surface.
Optionally, the first side and the second side of the protection board are both provided with a protection circuit,
and an insulating layer is arranged between the adjacent protection plates.
Optionally, each of the protection plates is the same size.
According to a second aspect of embodiments of the present disclosure, there is provided a terminal comprising the battery package structure according to the first aspect.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: among this battery packaging structure, a single protection shield among the correlation technique falls into a plurality of protection shields, then stacks up it and sets up, forms brand-new protection architecture, promptly, through the thickness that increases protection architecture, avoids protection architecture width size's increase to reduce the encroachment of protection architecture to the space that is used for installing electric core and occupy, can better satisfy the powerful demand of battery, can guarantee the arrangement space of electric core again, and then guarantee the size of electric core, ensure the capacity of battery.
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 invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a partial structural schematic diagram illustrating a first angle of a battery package structure according to an exemplary embodiment.
Fig. 2 is a partial structural view illustrating a second angle of a battery package structure according to an exemplary embodiment.
Fig. 3 is a partial structural schematic view (excluding a protection structure) of a battery packaging structure shown according to an exemplary embodiment.
Fig. 4 is a schematic diagram of a battery package structure according to an exemplary embodiment.
FIG. 5 is a circuit schematic diagram of a battery package structure shown according to an example embodiment
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 following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The present disclosure provides a battery package structure. Among this battery packaging structure, a single protection shield among the correlation technique falls into a plurality of protection shields, then stacks up it and sets up, forms brand-new protection architecture, promptly, through the thickness that increases protection architecture, avoids protection architecture width size's increase to reduce the encroachment of protection architecture to the space that is used for installing electric core and occupy, can better satisfy the powerful demand of battery, can guarantee the arrangement space of electric core again, and then guarantee the size of electric core, ensure the capacity of battery.
In one exemplary embodiment, a battery package structure is provided. The battery packaging structure can be applied to electronic equipment such as a mobile phone. Referring to fig. 1 to 4, the battery packaging structure includes a battery cell 1, a tab 2 and a protection structure 3, where the protection structure 3 includes at least two independent protection plates, and the battery cell 1 is electrically connected to the at least two protection plates through the tab 2. Wherein at least two protection plates are stacked in the thickness direction of the protection plates.
The dimensions of the individual protective plates may be the same or different. When the size of each protection plate is the same, the protection plate is more convenient to process and manufacture, the protection plate is also convenient to arrange, and subsequent maintenance is also convenient.
In the battery packaging structure, the protection board in the related technology is split into at least two protection boards, so that a brand new protection structure 3 is formed. Wherein, all can arrange corresponding protection circuit on every protection shield to protect electric core 1 of high-power battery better, and, because the range upon range of setting of protection shield among this protection architecture 3, consequently can also reduce whole protection architecture 3's width dimension, reduce the influence to electric core 1 space, thereby guarantee electric core 1's size better, guarantee electric core 1's capacity, realize high-power, large-capacity battery.
In general, due to the design requirement of an electronic scheme, a battery protection circuit needs to be provided with two sections of protection units, but under the conditions of high power and high current, the complexity of the first section of protection unit and the second section of protection unit can be increased continuously, meanwhile, in order to control the impedance of the components, the components in the protection circuit need to be connected in parallel, and if the protection circuit is continuously arranged in the same protection board, the width of the protection board can be increased.
Referring to fig. 5, in the battery pack structure, the protection circuits 30 on the at least two protection plates are electrically connected in parallel. That is, a protection circuit 30 can be disposed on each protection board, and the protection circuits 30 are electrically connected in parallel, so that the battery can be protected under high power and high current, the overall width of the protection structure 3 can be prevented from being too large, and the capacity of the battery core 1 can be ensured.
Moreover, if the protection circuit 30 needs to be further improved, a protection board can be directly added, and then a protection circuit is connected in parallel, so that the subsequent improvement of the protection structure 3 is facilitated, and the subsequent improvement of the battery power is facilitated.
In addition, referring to fig. 5, in the battery packaging structure, each protection circuit 30 may also include two segments of protection units 301, and the two segments of protection units 301 are electrically connected in series.
Of course, more segments of protection units may be included in each protection circuit 30 to accommodate protection of the battery at higher power. In addition, in the battery packaging structure, two protection plates or more protection plates may be provided according to actual needs, which is not limited in this respect.
In the case of example 1, the following examples,
referring to fig. 1 to 5, the battery pack structure is applied to a terminal, which may be a mobile phone. In the battery pack structure, the protection structure 3 includes two protection plates, which are respectively referred to as a first protection plate 31 and a second protection plate 32, and the two protection plates are stacked in the thickness direction of the protection plates. Each of the protection plates is provided with a protection circuit 30, and two protection circuits 30 are arranged in parallel, wherein the protection circuit 30 on the first protection plate 31 is referred to as a first protection circuit 30a, and the protection circuit 30 on the second protection plate 32 is referred to as a second protection circuit 30b. Each protection circuit 30 is provided with two segments of protection units 301, and the two segments of protection units 301 are connected in series.
Example 2 (not shown in the figures) of the present invention,
the battery packaging structure is applied to a terminal, and the terminal can be a mobile phone. In the battery package structure, the protection structure includes three protection plates, which are respectively referred to as a first protection plate, a second protection plate and a third protection plate, and the three protection plates are stacked in the thickness direction of the protection plates. And each protection board is provided with a protection circuit, and the three protection circuits are connected in parallel, wherein the protection circuit on the first protection board is marked as a first protection circuit, the protection circuit on the second protection board is marked as a second protection circuit, and the protection circuit on the third protection board is marked as a third protection circuit. Each protection circuit is provided with two sections of protection units which are connected in series.
The protection structure in a brand new form is arranged in the battery packaging structure, so that the protection of the electric power battery can be realized, the influence on the size of the battery core can be avoided, and the capacity of the battery core is ensured. Namely, the battery packaging structure can simultaneously realize high-power and large-capacity batteries so as to meet different requirements of users.
In one exemplary embodiment, a battery package structure is provided. Referring to fig. 1 to 5, at least one of at least two protection plates of the battery packaging structure is coupled to the tab 2, where the coupling means a physical coupling for accomplishing fixation rather than an electrical coupling for accomplishing charge transfer.
In the battery pack structure, the tab 2 may be coupled to only one of the protection plates.
For example, the tab 2 is connected to the protection circuit 30 of one of the protection plates by welding, so that the tab 2 is fixedly connected to the protection plate, and the tab 2 is electrically connected to the protection plate. The rest of the protection plates can be electrically connected with the protection plates through connecting wires, so that the battery cell 1 can be electrically connected with the protection plates through the tabs 2, and the protection circuits 30 are also electrically connected in parallel. In this example, the structure of the tab 2 is relatively simple, and the tab 2 is convenient to process, manufacture and install.
Of course, as shown in fig. 2 and 3, the tab 2 may also be constructed in a bent structure while being coupled with a plurality of protection plates.
For example, referring to fig. 1 to 5, the tab 2 is welded to the protection circuit 30 on each protection plate, so that both the fixed connection of the tab 2 to the protection plate and the electrical connection of the tab 2 to the protection plate are realized. In this way, the battery cell 1 may also be electrically connected to each protection board through the tab 2, and each protection circuit 30 may also be electrically connected in parallel. In this example, the protection plates are directly free from the need for connecting wires, and the connection of the tab 2 to the protection plates is more stable.
As an example, with reference to fig. 1 to 5, the protective structure 3 comprises two protective plates, to which the tab 2 is simultaneously connected. In the process of packaging the battery, the tab 2 and the two protection plates are welded and connected respectively (refer to fig. 4), and then the protection plate far away from the battery core 1 is turned over to be stacked with another protection plate (refer to fig. 1 and 2).
In one exemplary embodiment, a battery package structure is provided. Referring to fig. 1 to 3, in the battery packaging structure, a first side surface of a protection plate is provided with a protection circuit, a second side surface is provided with an insulating surface, and at least one of opposite side surfaces of adjacent protection plates is an insulating surface.
Among this battery packaging structure, be convenient for more realize the insulating setting between the range upon range of protection shield, avoided the electric leakage risk better, improved whole battery packaging structure's security.
In addition, the first side and the second side of the protection board can be provided with protection circuits, so that more components can be arranged on the same protection board, more complex circuit design is realized, the number of protection boards in the protection structure 3 can be reduced better, and the thickness of the protection structure 3 is reduced.
In an exemplary embodiment, a terminal is also provided, and the terminal can be a mobile phone, a tablet computer, a notebook computer, a camera and other devices provided with a battery. This terminal includes foretell battery packaging structure, thickness through increasing protection architecture, avoid the increase of protection architecture width size, thereby reduce the encroachment of protection architecture to the space that is used for installing electric core and account for, can better satisfy the powerful demand of battery, can guarantee the arrangement space of electric core again, and then guarantee the size of electric core, ensure the capacity of battery, can guarantee the high-power operation of this terminal, can guarantee the capacity of battery again, better different demands that satisfy the user, promote user to use and experience.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A battery packaging structure is characterized by comprising a battery core, a tab and a protection structure, wherein the protection structure comprises at least two independent protection plates, and the battery core is electrically connected with the at least two protection plates through the tab;
the at least two protection plates are stacked in a thickness direction of the protection plate.
2. The battery package structure according to claim 1, wherein the protection circuits on the at least two protection boards are electrically connected in parallel.
3. The battery packaging structure of claim 2, wherein each of the protection circuits comprises at least two segments of protection cells.
4. The battery packaging structure of claim 3, wherein the at least two segments of protection cells are electrically connected in series.
5. The battery package structure according to claim 1, wherein at least one of the at least two protection plates is coupled to the tab.
6. The battery package structure according to claim 5, wherein the tab is configured in a bent structure, and each of the protection plates is coupled to the tab.
7. The battery package structure according to any one of claims 1 to 6, wherein the first side of the protective plate is provided with a protective circuit, the second side is an insulating surface,
in the adjacent protection plates, at least one of two opposite side surfaces is an insulating surface.
8. The battery packaging structure according to any one of claims 1 to 6, wherein the first side and the second side of the protective plate are each provided with a protective circuit,
and an insulating layer is arranged between the adjacent protection plates.
9. The battery packaging structure according to any one of claims 1 to 6, wherein each of the protection plates has the same size.
10. A terminal, characterized in that the terminal comprises a battery packaging structure according to any one of claims 1-9.
Priority Applications (1)
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CN202110402754.XA CN115224452A (en) | 2021-04-14 | 2021-04-14 | Battery packaging structure and terminal |
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CN202110402754.XA CN115224452A (en) | 2021-04-14 | 2021-04-14 | Battery packaging structure and terminal |
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CN115224452A true CN115224452A (en) | 2022-10-21 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207250574U (en) * | 2017-08-01 | 2018-04-17 | 珠海市魅族科技有限公司 | Battery and mobile terminal |
CN207530023U (en) * | 2017-11-03 | 2018-06-22 | 维沃移动通信有限公司 | A kind of battery and mobile terminal |
CN209515796U (en) * | 2019-03-19 | 2019-10-18 | 维沃移动通信有限公司 | Cell module encapsulation structure and mobile terminal |
CN110867552A (en) * | 2019-12-16 | 2020-03-06 | 东莞新能德科技有限公司 | Battery protection plate and battery pack |
CN212676424U (en) * | 2020-08-21 | 2021-03-09 | 东莞新能德科技有限公司 | Battery and device using battery |
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2021
- 2021-04-14 CN CN202110402754.XA patent/CN115224452A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207250574U (en) * | 2017-08-01 | 2018-04-17 | 珠海市魅族科技有限公司 | Battery and mobile terminal |
CN207530023U (en) * | 2017-11-03 | 2018-06-22 | 维沃移动通信有限公司 | A kind of battery and mobile terminal |
CN209515796U (en) * | 2019-03-19 | 2019-10-18 | 维沃移动通信有限公司 | Cell module encapsulation structure and mobile terminal |
CN110867552A (en) * | 2019-12-16 | 2020-03-06 | 东莞新能德科技有限公司 | Battery protection plate and battery pack |
CN212676424U (en) * | 2020-08-21 | 2021-03-09 | 东莞新能德科技有限公司 | Battery and device using battery |
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