CN207529999U - A kind of battery and mobile terminal - Google Patents
A kind of battery and mobile terminal Download PDFInfo
- Publication number
- CN207529999U CN207529999U CN201721483909.2U CN201721483909U CN207529999U CN 207529999 U CN207529999 U CN 207529999U CN 201721483909 U CN201721483909 U CN 201721483909U CN 207529999 U CN207529999 U CN 207529999U
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- Prior art keywords
- battery
- metal
- battery core
- protective film
- lug
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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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Abstract
The utility model embodiment discloses a kind of battery and mobile terminal.The battery includes battery core, metal-back and protective film, wherein：The metal-back is internally provided with hollow chamber; the hollow chamber is provided with the first open region and the second open region; first open region and second open region are oppositely arranged; the metal-back is set in outside the battery core; component is formed with the battery core; the component is coated with the protective film, and is sealed in the chamber that the protective film is formed.When protective film breakage, metal-back plays the role of second protection to battery core, so as to ensure that cell safety, avoids the generation of safety accident.In addition, the setting based on metal-back, increases the hardness of battery, facilitates battery roll.
Description
Technical field
The utility model is related to the communications field more particularly to a kind of batteries and mobile terminal.
Background technology
With the fast development of mobile phone industry, mobile phone also brings safety and asks while convenient and fast communication is brought to user
Topic is the most prominent with the safety problem of battery of mobile phone.
The battery of mobile phone used at present is mainly polymer Li-ion soft-package battery, such battery includes battery core and plastic-aluminum
Film, aluminum plastic film are coated on outside battery core, and based on handset structure and performance etc. consideration, the thickness of aluminum plastic film is generally located on 70-
115μm。
For existing polymer soft-package battery, due to the thinner thickness of aluminum plastic film, work as user's detaching mobile phones battery
When, aluminum plastic film is easily punctured damage, and battery core is exposed, leads to safety accident.Therefore it is badly in need of a kind of safe gather at present
Close object soft-package battery.
Utility model content
The utility model provides a kind of battery, to solve the thinner thickness in the prior art due to aluminum plastic film,
Therefore when user's detaching mobile phones battery, aluminum plastic film is easily punctured damage, the problem of safety accident is caused to occur.
In a first aspect, a kind of battery is provided, including battery core, metal-back and protective film, wherein：
The metal-back is internally provided with hollow chamber, and the hollow chamber is provided with the first open region and the second opening
Area, first open region and second open region are oppositely arranged；
The metal-back is set in outside the battery core, and component is formed with the battery core；
The component is coated with the protective film, and is sealed in the chamber that the protective film is formed.
Second aspect provides a kind of mobile terminal, including above-mentioned battery.
In the utility model embodiment, battery includes battery core, metal-back and protective film for this, and metal-back is internally provided with
Hollow chamber, hollow chamber are provided with the first open region and the second open region, and the first open region and the second open region are oppositely arranged,
Metal-back is set in outside battery core, and metal-back forms component with battery core, and component is coated with protective film, and is sealed in protective film shape
Into chamber in, when protective film breakage, metal-back plays the role of second protection to battery core, so as to ensure that cell safety, keeps away
The generation of safety accident is exempted from.In addition, the setting based on metal-back, increases the hardness of battery, facilitates battery roll.
Description of the drawings
Fig. 1 is the structure diagram of the battery of the utility model one embodiment；
Fig. 2 is the sectional view of battery shown in FIG. 1；
Fig. 3 is the production process figure of the battery of the utility model one embodiment.
Reference sign
1st, battery core 11, lug 12, battery core body 13, lug glue-line
2nd, metal-back 3, protective film a, side seal seal area b, closedtop seal area
C, component
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is the implementation of the utility model part of the embodiment rather than whole
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 is the structure diagram of the battery of the utility model one embodiment.With reference to figure 1, battery pack shown in FIG. 1
It includes：Battery core 1, metal-back 2 and protective film 3, metal-back 2 are internally provided with hollow chamber, and hollow chamber is provided with the first opening
Area and the second open region, the first open region and the second open region are oppositely arranged, i.e. the top and bottom of metal-back 2 are opening
Shape, metal-back 2 are designed without top and bottom, and metal-back 2 is set in outside battery core 1, metal-back 2 and the formation component of battery core 1, outside component
Protective film 3 is coated with, and is sealed in the chamber of the formation of protective film 3.Battery core 1 is naked battery core.
Fig. 2 is the sectional view of battery shown in FIG. 1, is that section view obtains at the A-A positions of battery shown in Fig. 1.By Fig. 2
It is found that the structure of battery side-walls includes battery core 1, the metal-back 2 being arranged on outside battery core 1 and the protection being arranged on outside metal-back 2
Film 3.
Outside the component that protective film 3 is coated on battery core 1 and metal-back 2 is formed, in Fig. 1, protective film 3 is to the sealing area of component
Including side seal seal area a and closedtop seal area b.Protective film 3 can be according to being actually configured to the sealing area of component.
It can be according to the size of actual setting metal-back 2, in Fig. 1, the longitudinal size of metal-back 2 and the longitudinal direction of battery core 1
Size is identical；For another example, the longitudinal size of metal-back 2 is less than the longitudinal size of battery core 1, and for the size of metal-back 2, the present invention is real
It applies example only to illustrate, not be limited.
In above-mentioned battery structure, based on the setting of metal-back 2, when protective film 3 is damaged, metal-back 2 plays two to battery core 1
Secondary protective effect, it is exposed outside to avoid battery core 1, ensure that cell safety, avoids the generation of safety accident.In addition, it is based on
The setting of metal-back 2 increases the hardness of battery, and battery is facilitated to be dismantled from terminal.
Since the hollow chamber inside metal-back 2 is provided with the first open region and the second open region, i.e., top and bottom are equal
For open-like shape, therefore when battery failure flatulence, failure gas can burst the protective film 3 at the top and bottom of metal-back 2, lose
Effect gas will not lead to battery explosion, so as to ensure that the safety of battery.
In battery provided by the utility model, battery core 1 can include lug 11 and battery core body 12, and lug 11 is arranged on electricity
On core ontology 12, the part lug close to battery core body 12 is coated with lug glue-line 5；Metal-back 2 is set in battery core body 12
Outside, metal-back 2 forms component with battery core body 12, and component is coated with protective film 3, and component is sealed in protective film 3 and is formed
Chamber in, the seal area covered section lug glue-line of protective film 3 and component.For the lug glue-line 13 of 11 outer cladding of lug,
Part lug glue-line is encapsulated in protective film 3, and part lug glue-line is located at outside protective film 3.
Electrode includes positive pole ear and negative lug, i.e. positive-pole base material and base material of cathode.When positive pole ear is aluminium pole ears,
Metal-back can be aluminum hull in battery provided by the utility model.It is aluminium pole ears based on positive pole ear, therefore introducing aluminum hull will not
Influence the stabilization of the chemical system in battery.Negative lug can be nickel lug.It can be according to the thickness of actual setting aluminum hull, aluminium
The thickness of shell can be 0.1-0.2mm.
In battery provided by the utility model, protective film can be aluminum plastic film.Aluminum plastic film can include being stacked poly-
Propylene (Polypropylene, PP) layer, aluminium layer and nylon layer, polypropylene layer are set close to battery core.For the type of protective film,
It can be according to being actually configured.
In battery provided by the utility model, when lug is coated with lug glue-line, lug glue-line can be polypropylene
Layer.
When protective film is aluminum plastic film, and aluminum plastic film is included close to the polypropylene layer of battery core, when aluminum plastic film encapsulates, aluminum plastic film
In polypropylene layer can merge fixation with the polypropylene layer outside lug, so as to achieve the effect that secure seal.
Fig. 3 is the production process figure of the battery of the utility model one embodiment.Battery production method packet shown in Fig. 3
It includes：Step 1, metal-back 2 is made, metal-back 2 is internally provided with hollow chamber, and hollow chamber is provided with the first open region and the
Two open regions, the first open region and the second open region are oppositely arranged；Step 2, naked battery core 1 is packed into metal-back 2, forms component
c；Step 3, component c is coated and is encapsulated using protective film 3.
Specifically, when making battery, the size of protective film 3 is larger, and first component c is packaged using protective film 3, completes
To a side of component c and the encapsulation of top surface, side seal seal area and closedtop seal area are correspondingly formed, is formed simultaneously two film layers
Separation is not fully sealed for chamber, i.e. the first film layer chamber and the second film layer chamber, the first film layer chamber and the second film layer chamber, deposits
In chamber passage, the side unsealing far from the first film layer chamber of the second film layer chamber.
The side unsealing far from the first film layer chamber based on the second film layer chamber, passes through the side of the second film layer chamber
Electrolyte is injected to the first film layer chamber, after fluid injection, the side of the second film layer chamber is packaged, battery is carried out into change
Processing.
Battery carries out, into changing in processing procedure, having gas generation, gas passes through the first film layer chamber and the second film layer chamber
Channel enter in the second film layer chamber, after change, pumping process is carried out to the second film layer chamber indoor gas, later to the
The separated region of one film layer chamber and the second film layer chamber is packaged, separated region after packaging, cuts the first film layer chamber
Room and the second film layer chamber, the first film layer chamber structure after cutting are required battery structure.
The utility model embodiment additionally provides a kind of mobile terminal, includes the electricity of the above-mentioned offer of the utility model embodiment
Pond.Mobile terminal has the advantages that battery, and details are not described herein for the utility model.
Mobile terminal can include a variety of, such as mobile phone, tablet, notebook, wearable device etc..
According to the utility model, battery includes battery core, metal-back and protective film, and metal-back is internally provided with hollow cavity
Room, hollow chamber are provided with the first open region and the second open region, and the first open region and the second open region are oppositely arranged, metal-back
It is set in outside battery core, metal-back forms component with battery core, and component is coated with protective film, and is sealed in the chamber of protective film formation
Interior, when protective film breakage, metal-back plays the role of second protection to battery core, so as to ensure that cell safety, avoids peace
The generation of full accident.In addition, the setting based on metal-back, increases the hardness of battery, facilitates battery roll.
A kind of battery provided by the utility model and mobile terminal are described in detail above, it is used herein
Specific case is expounded the principle and embodiment of the utility model, and the explanation of above example is only intended to help to manage
Solve the method and its core concept of the utility model；Meanwhile for those of ordinary skill in the art, according to the utility model
Thought, there will be changes in specific embodiments and applications, in conclusion the content of the present specification should not be construed as
Limitation to the utility model.
Claims (10)
1. a kind of battery, which is characterized in that including battery core, metal-back and protective film, wherein：
The metal-back is internally provided with hollow chamber, and the hollow chamber is provided with the first open region and the second open region,
First open region and second open region are oppositely arranged；
The metal-back is set in outside the battery core, and component is formed with the battery core；
The component is coated with the protective film, and is sealed in the chamber that the protective film is formed.
2. battery according to claim 1, which is characterized in that the battery core includes lug and battery core body, the lug
It is arranged in the battery core body, the part lug close to the battery core body is coated with lug glue-line；
The metal-back is set in outside the battery core body, and component is formed with the battery core body；
The component is coated with the protective film, and is sealed in the chamber that the protective film is formed, the protective film with
The seal area covered section lug glue-line of the component.
3. battery according to claim 2, which is characterized in that the lug includes positive pole ear, and the positive pole ear is
Aluminium pole ears.
4. battery according to claim 3, which is characterized in that the metal-back is aluminum hull.
5. battery according to claim 4, which is characterized in that the thickness of the aluminum hull is 0.1-0.2mm.
6. battery according to claim 3, which is characterized in that the lug further includes negative lug, the negative lug
For nickel lug.
7. battery according to claim 2, which is characterized in that the lug glue-line is polypropylene layer.
8. battery according to claim 1, which is characterized in that the protective film is aluminum plastic film.
9. battery according to claim 8, which is characterized in that the aluminum plastic film includes the polypropylene layer, the aluminium that are stacked
Layer and nylon layer, the polypropylene layer are set close to the battery core.
10. a kind of mobile terminal, which is characterized in that including the battery described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483909.2U CN207529999U (en) | 2017-11-08 | 2017-11-08 | A kind of battery and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483909.2U CN207529999U (en) | 2017-11-08 | 2017-11-08 | A kind of battery and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529999U true CN207529999U (en) | 2018-06-22 |
Family
ID=62581266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721483909.2U Active CN207529999U (en) | 2017-11-08 | 2017-11-08 | A kind of battery and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430086A (en) * | 2022-01-25 | 2022-05-03 | 东莞新能安科技有限公司 | Battery core subassembly and battery |
-
2017
- 2017-11-08 CN CN201721483909.2U patent/CN207529999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430086A (en) * | 2022-01-25 | 2022-05-03 | 东莞新能安科技有限公司 | Battery core subassembly and battery |
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