CN206976501U - Battery core component, lithium battery and mobile terminal - Google Patents

Battery core component, lithium battery and mobile terminal Download PDF

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Publication number
CN206976501U
CN206976501U CN201721008388.5U CN201721008388U CN206976501U CN 206976501 U CN206976501 U CN 206976501U CN 201721008388 U CN201721008388 U CN 201721008388U CN 206976501 U CN206976501 U CN 206976501U
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CN
China
Prior art keywords
battery core
gummed paper
positive pole
core component
cathode membrane
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721008388.5U
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Chinese (zh)
Inventor
陈伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201721008388.5U priority Critical patent/CN206976501U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model discloses battery core component, lithium battery and mobile terminal.Battery core component includes:Battery core, the battery core include:Positive pole diaphragm, the positive pole diaphragm are provided with anode ear;Cathode membrane, the cathode membrane is correspondingly arranged with the positive pole diaphragm and the cathode membrane is provided with negative electrode lug, and the negative electrode lug is located at the same side of the battery core with the anode ear;Barrier film, the barrier film are located between the positive pole diaphragm and the cathode membrane so that the positive pole diaphragm and the cathode membrane to be spaced apart;First gummed paper, first gummed paper are located at the first end with the anode ear and the negative electrode lug of the battery core;Second gummed paper, second gummed paper be coated on completely the end face of the second end of the battery core and the perisporium of the second end it is at least one on.According to battery core component of the present utility model, the short circuit of positive pole diaphragm and cathode membrane can be effectively prevented, improves the life-span of battery core and the resistance to stress ability of battery.

Description

Battery core component, lithium battery and mobile terminal
Technical field
Field of terminal technology is the utility model is related to, more particularly, to a kind of battery core component, lithium battery and mobile terminal.
Background technology
Usually, lithium battery is mainly made up of positive pole diaphragm, cathode membrane, barrier film and electrolyte.When lithium battery is subjected to During outside ABNORMAL STRESS (such as fall, hit, extruding), the battery core of lithium battery can inside packaging bag play up and down, battery core with The severe friction of packaging bag easily causes barrier film turnover, stretching or damaged, causes both positive and negative polarity film contact short-circuit;It is or positive and negative Misplacing and contact short circuit occurs in pole diaphragm.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries Go out a kind of battery core component, positive pole diaphragm can be effectively prevented from and cathode membrane produces short circuit.
The utility model also proposes a kind of lithium battery, and the lithium battery includes above-mentioned battery core component.
The utility model also proposes a kind of mobile terminal, and the mobile terminal includes above-mentioned lithium battery.
According to the battery core component of the utility model embodiment, including:Battery core, the battery core include:Positive pole diaphragm, it is described just Pole diaphragm is provided with anode ear;Cathode membrane, the cathode membrane is correspondingly arranged with the positive pole diaphragm and the cathode membrane Negative electrode lug is provided with, the negative electrode lug is located at the same side of the battery core with the anode ear;Barrier film, the barrier film are located at So that the positive pole diaphragm and the cathode membrane to be spaced apart between the positive pole diaphragm and the cathode membrane;First gummed paper, First gummed paper is located at the first end with the anode ear and the negative electrode lug of the battery core;Second gummed paper, it is described Second gummed paper be coated on completely the end face of the second end of the battery core and the perisporium of the second end it is at least one on.
According to the battery core component of the utility model embodiment, pass through fixation of first gummed paper to first end, the second gummed paper Fixation to the second end, it can be achieved to reliable spacing between positive pole diaphragm, barrier film and cathode membrane, so as to prevent because of lithium Battery be subjected to outside ABNORMAL STRESS as fall, hit, extrude etc. caused by barrier film turnover, stretching, abrasion, dislocation or positive pole Dislocation between diaphragm and cathode membrane, and then the short circuit of positive pole diaphragm and cathode membrane is effectively prevented, improve battery core Life-span and the resistance to stress ability of battery.
According to some embodiments of the utility model, first gummed paper is multiple, and multiple first gummed papers are described It is spaced apart and sets in the septal direction of anode ear and the negative electrode lug.
Alternatively, first gummed paper be three, one of them described first gummed paper be located at the anode ear and it is described bear Between lug.
According to some embodiments of the utility model, first gummed paper is coated on the removing of the end face of the first end In other parts beyond the corresponding anode ear and the negative electrode lug.
According to some embodiments of the utility model, set at least one in first gummed paper and second gummed paper There are multiple mesh.
Specifically, multiple mesh are respectively equipped with first gummed paper and second gummed paper.
Specifically, multiple mesh uniform intervals on first gummed paper are set.
Specifically, multiple mesh uniform intervals on second gummed paper are set.
According to some embodiments of the utility model, second gummed paper coats the end of the second end of the battery core completely Face.
According to some embodiments of the utility model, the positive pole diaphragm, the barrier film and the cathode membrane are along together One direction is wound into the battery core.
According to the lithium battery of the utility model embodiment, including above-mentioned battery core component.
According to the lithium battery of the utility model embodiment, by setting above-mentioned battery core component, the anti-of lithium battery can be improved Stress ability, increases the service life.
According to the mobile terminal of the utility model embodiment, including above-mentioned lithium battery.
According to the mobile terminal of the utility model embodiment, by setting above-mentioned lithium battery, the anti-of lithium battery can be improved Stress ability, extend the service life of lithium battery, improve the experience sense that user uses mobile terminal.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein:
Fig. 1 is the schematic diagram according to the battery core component of the utility model some embodiments;
Fig. 2 is the schematic diagram according to the battery core component of the utility model other embodiments;
Fig. 3 is the schematic diagram according to the battery core component of the other embodiment of the utility model;
Fig. 4 is the schematic diagram according to the battery core component of the utility model still other embodiments;
Fig. 5 is the schematic diagram according to the battery core component of the utility model other embodiments;
Fig. 6 is the schematic diagram according to the battery core component of other other embodiments of the utility model.
Fig. 7 is the schematic diagram according to the battery core component of the other other embodiments of the utility model.
Sectional views of the Fig. 8 according to the battery core of the utility model embodiment in the deployed state;
Fig. 9 is according to the schematic diagram of the lithium battery of the utility model embodiment;
Figure 10 is the schematic diagram according to the terminal of the utility model embodiment.
Reference:
Mobile terminal 10000;
Lithium battery 1000;
Battery core component 100;
Battery core 10;Positive pole diaphragm 101;Anode ear 1011;Cathode membrane 102;Negative electrode lug 1021;Barrier film 103;
First gummed paper 20;Mesh 201;
Second gummed paper 30;Mesh 301.
Packaging bag 200.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.
In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term "left", "right" Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as to limitation of the present utility model.In addition, define " first ", the feature of " second " can express or implicitly include one Individual or more this feature.In description of the present utility model, unless otherwise indicated, " multiple " are meant that two or two More than.
, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in utility model.
Below with reference to Fig. 1-Fig. 8 descriptions according to the battery core component 100 of the utility model embodiment, the battery core component 100 can In lithium battery 1000, lithium battery 1000 can with terminal, such as lithium battery 1000 can be used in mobile phone, notebook computer or On the mobile terminals such as tablet personal computer 10000.
Shown in reference picture 1- Fig. 7, according to the battery core component 100 of the utility model embodiment, battery core 10, first can be included The gummed paper 30 of gummed paper 20 and second.
Specifically, shown in reference picture 8, can be included according to the battery core 10 of the utility model embodiment:Positive pole diaphragm 101st, cathode membrane 102 and barrier film 103.
Cathode membrane 102 is correspondingly arranged with positive pole diaphragm 101, and barrier film 103 is located at positive pole diaphragm 101 and cathode membrane So that positive pole diaphragm 101 and cathode membrane 102 to be spaced apart between 102.For example, as shown in figure 8, positive pole diaphragm 101 and negative electrode film Piece 102 be spaced apart set, barrier film 103 positioned at positive pole diaphragm 101 and cathode membrane 102 between with by positive pole diaphragm 101 and bear Pole diaphragm 102 is spaced apart.So as to prevent positive pole diaphragm 101 and the contact short circuit of cathode membrane 102.
In some specific examples of the present utility model, positive pole diaphragm 101, barrier film 103 and cathode membrane 102 are along same Direction winding is set to limit battery core 10.That is, positive pole diaphragm 101, barrier film 103 and the stacking of cathode membrane 102 are set Postpone and be wound as an entirety to limit battery core 10.Certainly, the utility model not limited to this, it is optional at other In embodiment, it can also be cascading according to the order of positive pole diaphragm 101, barrier film 103, cathode membrane 102 to limit Go out battery core 10.
Alternatively, barrier film 103 extends between positive pole diaphragm 101 and cathode membrane 102.For example, for winding and Into battery core 10 for, when battery core 10 is in deployed condition, the developed area of barrier film 103 is more than positive pole diaphragm 101 and negative The developed area of pole diaphragm 102, orthographic projection of the positive pole diaphragm 101 on barrier film 103 are located in barrier film 103, cathode membrane 102 orthographic projection on barrier film 103 is located in barrier film 103.So as to improve barrier film 103 to positive pole diaphragm 101 and bear The isolation effect of pole diaphragm 102.
Specifically, as shown in Fig. 1-Fig. 7, positive pole diaphragm 101 is provided with anode ear 1011, and cathode membrane 102 is provided with negative Lug 1021, so as to which when battery core component 100 is with when on lithium battery 1000, lithium battery 1000 can pass through anode ear 1011 and negative pole Ear 1021 is connected with other circuits to realize the charging/discharging function of lithium battery 1000.
Alternatively, negative electrode lug 1021 and anode ear 1011 are located at the same side of battery core 10.For example, as shown in Fig. 1-Fig. 7, electricity Core 10 is formed as rectangular-shape, and negative electrode lug 1021 and anode ear 1011 are located at the side wall of the same side of battery core 10.Consequently facilitating lithium The connection of battery 1000 and other circuits.Here it is possible to understand, in order to avoid producing short circuit, negative electrode lug 1021 and positive pole Ear 1011 is spaced apart each other.
As shown in Fig. 1-Fig. 7, battery core 10 has first end a and the second end b, anode ear 1011 and negative electrode lug 1021 In first end a., wherein it is desired to explanation, when battery core 10 is by positive pole diaphragm 101, barrier film 103 and the edge of cathode membrane 102 When same direction winds and limited, first end a and the second end b septal direction and coiling direction are vertically arranged.
First gummed paper 20 is located on first end a, and the second gummed paper 30 can be coated on the second end b of battery core 10 end completely Face and the second end b perisporium it is at least one on.That is, the second gummed paper 30 can be coated on the second end of battery core 10 completely On portion b end face, the second gummed paper 30 can be coated on completely on the second end b perisporium of battery core 10, or the second gummed paper 30 is complete The second end b end face of full cladding battery core 10 and the second end b perisporium.Thus, by the first gummed paper 20 to first end a Fixation to the second end b of fixation, the second gummed paper 30, can be achieved to positive pole diaphragm 101, barrier film 103 and cathode membrane 102 Between it is reliable spacing, so as to prevent because lithium battery 1000 is caused by being subjected to outside ABNORMAL STRESS and such as falling, hit, extrude Barrier film 103 is turned down, stretched, wearing, misplacing or the dislocation between positive pole diaphragm 101 and cathode membrane 102, and then effectively prevents The only short circuit of positive pole diaphragm 101 and cathode membrane 102, improve the life-span of battery core 10 and the resistance to stress ability of lithium battery 1000.
According to the battery core component 100 of the utility model embodiment, pass through fixation of first gummed paper 20 to first end a, Fixation of two gummed papers 30 to the second end b, can be achieved between positive pole diaphragm 101, barrier film 103 and cathode membrane 102 can By spacing, so as to prevent because lithium battery 1000 be subjected to outside ABNORMAL STRESS such as fall, hit, extrude caused by barrier film 103 turnovers, stretching, abrasion, dislocation or the dislocation between positive pole diaphragm 101 and cathode membrane 102, and then effectively prevent positive pole The short circuit of diaphragm 101 and cathode membrane 102, improve the life-span of battery core 10 and the resistance to stress ability of battery.
According to some embodiments of the utility model, the removing that the first gummed paper 20 is coated on first end a end face is corresponding In other parts beyond anode ear 1011 and negative electrode lug 1021.That is, first end a is removed in first end a end face The corresponding anode ear 1011 of end face and the part of negative electrode lug 1021 be referred to as other parts, the first gummed paper 20 is coated on described completely In other parts.So as to be advantageous to improve the first gummed paper 20 to the fixed effect of battery core 10, cathode film is effectively further prevented The short circuit of piece 101 and cathode membrane 102, improve the life-span of battery core 10 and the resistance to stress ability of lithium battery 1000.
In some embodiments of the utility model, the first gummed paper 20 is multiple, and multiple first gummed papers 20 are in anode ear 1011 and negative electrode lug 1021 septal direction on be spaced apart set.For example, as shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 7, anode ear 1011 It is spaced apart and sets in the lateral direction with negative electrode lug 1021, multiple first gummed papers 20 is also spaced apart sets in the lateral direction.
Alternatively, the first gummed paper 20 is three, and one of them first gummed paper 20 is located at anode ear 1011 and negative electrode lug 1021 Between.For example, as shown in Fig. 1, Fig. 4 and Fig. 7, the first gummed paper 20 is three, and one of them first gummed paper 20 is located at anode ear Between 1011 and negative electrode lug 1021 and first end a end face is located at anode ear 1011 by one of them described first gummed paper 20 Part cladding between negative electrode lug 1021, another first gummed paper 20 be located at the left side of anode ear 1011 and it is described another the One gummed paper 20 coats first end a end face positioned at the part in the left side of anode ear 1011, remaining first gummed paper 20 First end a end face is located at the right side of negative electrode lug 1021 in the right side of negative electrode lug 1021 and remaining first gummed paper 20 Part cladding.
In other optional embodiments, shown in reference picture 2, Fig. 5 and Fig. 6, the first gummed paper 20 can also coat completely On the first end a of the first battery core 10 perisporium, that is to say, that the first gummed paper 20 is wrapped in the first end of the first battery core 10 On a perisporium, so as to realize the fastening to first end a opening positions, effectively prevent because lithium battery 1000 be subjected to it is outside different Chang Yingli as fall, hit, extrude etc. caused by barrier film 103 turn down, stretch, wear, misplace or positive pole diaphragm 101 and negative pole Dislocation between diaphragm 102.
In some optional embodiments of the present utility model, at least one in the first gummed paper 20 and the second gummed paper 30 Provided with multiple mesh 201,301, that is to say, that the first gummed paper 20 is provided with multiple mesh 201, and the second gummed paper 30 is provided with multiple Mesh 301, or multiple mesh 201,301 can also be set on the first gummed paper 20 and the second gummed paper 30 simultaneously respectively.Thus. When battery core component 100 is with lithium battery 1000 and when needing to inject electrolyte into battery core 10, mesh 201,301 is arranged to Electrolyte provides passage into battery core 10, so as to be advantageous to lift the electrolyte wet-out rate of battery core 10.
Alternatively, with reference to shown in figure 3- Fig. 7, be respectively equipped with the first gummed paper 20 and the second gummed paper 30 multiple mesh 201, 301.So as to when battery core component 100 infiltrates speed with the electrolyte for when on lithium battery 1000, being advantageous to further lifting battery core 10 Rate.
Alternatively, as shown in shown in Fig. 3-Fig. 7, the uniform intervals of multiple mesh 201 on the first gummed paper 20 are set, thus, Be advantageous to electrolyte by multiple mesh 201 evenly into each opening position of battery core 10, avoid because of the inequality of mesh 201 Partial electrolysis liquid is more in battery core 10 caused by even setting, does not have the problem of electrolyte locally.
Alternatively, multiple mesh 201 on the first gummed paper 20 can be formed as round-shaped, elliptical shape or polygon Shape, the utility model are not especially limited to this.
Specifically, the uniform intervals of multiple mesh 301 on the second gummed paper 30 are set, and thus, are advantageous to electrolyte through excessive Individual mesh 301 avoids the battery core caused by the uneven setting of mesh 301 evenly into each opening position of battery core 10 Partial electrolysis liquid is more in 10, does not have the problem of electrolyte locally.
Alternatively, multiple mesh 301 on the second gummed paper 30 can be formed as round-shaped, elliptical shape or polygon Shape, the utility model are not especially limited to this.Preferably, multiple mesh 301 on the second gummed paper 30 are formed as circular shape Shape.
In some specific examples of the present utility model, as Figure 1-Figure 5, the second gummed paper 30 coats battery core 10 completely The second end b end face.So as to realize the fastening to the second end b opening positions, effectively prevent because lithium battery 1000 is being subjected to Outside ABNORMAL STRESS as fall, hit, extrude etc. caused by barrier film 103 turn down, stretch, wear, misplace or positive pole diaphragm 101 Dislocation between cathode membrane 102.
Lithium battery 1000 below with reference to Fig. 9 descriptions according to the utility model embodiment.
According to the lithium battery 1000 of the utility model embodiment, the He of battery core component 100 in above-described embodiment can be included Packaging bag 200, packaging bag 200 are used for packaging electric core component 100.Alternatively, packaging bag 200 is aluminum plastic film.
Alternatively, the first gummed paper 20 and the second gummed paper 30 are respectively one side glue.Certainly, the utility model not limited to this, the One gummed paper 20 and the second gummed paper 30 can also be respectively double faced adhesive tape, consequently facilitating realizing battery core 10 and packaging bag using double faced adhesive tape Fixation between 200.
Utility model people carries out falling survey in practical study using the lithium battery 1000 of the utility model difference embodiment Have a try and test to assess the anti-dropping capability of battery core 10, wherein, the capacity of lithium battery 1000:3000mAh, charging limitation voltage:4.4V.
Wherein, using the first gummed paper 20 shown in Fig. 1 and the second gummed paper 30 to the fixed form of battery core 10 as embodiment 1, Using the first gummed paper 20 shown in Fig. 3 and the second gummed paper 30 to the fixed form of battery core 10 as embodiment 2, with shown in Fig. 4 One gummed paper 20 and the second gummed paper 30 to the fixed form of battery core 10 as embodiment 3, with the first gummed paper 20 and second shown in Fig. 5 Gummed paper 30 is to the fixed form of battery core 10 as embodiment 4.
Specifically method of testing is:By the different rubberizing sides in the finished product lithium battery 1000 and the utility model in correlation technique The finished product lithium battery 1000 of case is attached separately in mobile phone, is fallen using 1.2 meters of height freely falling bodies, according to " recto-verso-on The order in the face-below-left side-right side-upper left corner-upper right corner-lower left corner-lower right corner " is fallen to complete machine, and each face is fallen 2 times, fall 5 wheels altogether, count crash rate.
Fail-ure criterion method:Lithium battery 1000 has voltage in heating or 1h to reduce > 10mV.As a result it is as shown in the table:
Method of testing 1st wheel 2nd wheel 3rd wheel 4th wheel 5th wheel Crash rate
Comparative example 0 2 4 1 2 9/10
Embodiment 1 0 0 0 0 2 2/10
Embodiment 2 0 0 0 1 2 3/10
Embodiment 3 0 0 0 2 1 3/10
Embodiment 4 0 0 0 2 2 4/10
It follows that the crash rate of lithium battery 1000 in the utility model embodiment is than the lithium battery 1000 in correlation technique Crash rate it is much lower, in other words, the resistance to stress ability of the lithium battery 1000 in the utility model embodiment is preferable.
According to the lithium battery 1000 of the utility model embodiment, by setting above-mentioned battery core component 100, lithium electricity can be improved The resistance to stress ability in pond 1000, extend the service life of lithium battery 1000.
Mobile terminal 10000 below with reference to Figure 10 descriptions according to the utility model embodiment.
According to the mobile terminal 10000 of the utility model embodiment, including the lithium battery 1000 in above-described embodiment.
According to the mobile terminal 10000 of the utility model embodiment, by setting above-mentioned lithium battery 1000, lithium battery 1000 service life is high, is advantageous to improve the experience sense of user.
In the description of this specification, reference term " some embodiments ", " example ", " specific example " or " some show The description of example " etc. means that combining specific features, structure, material or feature that the embodiment or example describe is contained in this practicality In new at least one embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to Identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be in any one or more Combined in an appropriate manner in individual embodiment or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (12)

  1. A kind of 1. battery core component, it is characterised in that including:
    Battery core, the battery core include:
    Positive pole diaphragm, the positive pole diaphragm are provided with anode ear;
    Cathode membrane, the cathode membrane is correspondingly arranged with the positive pole diaphragm and the cathode membrane is provided with negative electrode lug, institute State negative electrode lug and be located at the same side of the battery core with the anode ear;
    Barrier film, the barrier film are located between the positive pole diaphragm and the cathode membrane with by the positive pole diaphragm and described Cathode membrane is spaced apart;
    First gummed paper, first gummed paper are located at the first end with the anode ear and the negative electrode lug of the battery core On;
    Second gummed paper, second gummed paper are coated on the end face of the second end of the battery core and the perisporium of the second end completely On at least one.
  2. 2. battery core component according to claim 1, it is characterised in that first gummed paper is multiple, and multiple described first Gummed paper is spaced apart in the septal direction of the anode ear and the negative electrode lug and set.
  3. 3. battery core component according to claim 2, it is characterised in that first gummed paper is three, described in one of them First gummed paper is between the anode ear and the negative electrode lug.
  4. 4. battery core component according to claim 1, it is characterised in that first gummed paper is coated on the first end In other parts beyond the corresponding anode ear of removing of end face and the negative electrode lug.
  5. 5. battery core component according to claim 1, it is characterised in that in first gummed paper and second gummed paper extremely Few one is provided with multiple mesh.
  6. 6. battery core component according to claim 5, it is characterised in that on first gummed paper and second gummed paper respectively Provided with multiple mesh.
  7. 7. battery core component according to claim 6, it is characterised in that multiple mesh on first gummed paper are uniform It is arranged at intervals.
  8. 8. battery core component according to claim 6, it is characterised in that multiple mesh on second gummed paper are uniform It is arranged at intervals.
  9. 9. battery core component according to claim 1, it is characterised in that second gummed paper coats the of the battery core completely The end face of two ends.
  10. 10. the battery core component according to any one of claim 1-9, it is characterised in that the positive pole diaphragm, the isolation Film and the cathode membrane are wound into the battery core in the same direction.
  11. 11. a kind of lithium battery, it is characterised in that including the battery core component according to any one of claim 1-10.
  12. 12. a kind of mobile terminal, it is characterised in that including lithium battery according to claim 11.
CN201721008388.5U 2017-08-11 2017-08-11 Battery core component, lithium battery and mobile terminal Expired - Fee Related CN206976501U (en)

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Application Number Priority Date Filing Date Title
CN201721008388.5U CN206976501U (en) 2017-08-11 2017-08-11 Battery core component, lithium battery and mobile terminal

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113451631A (en) * 2020-03-27 2021-09-28 宁德新能源科技有限公司 Battery structure and electronic device using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113451631A (en) * 2020-03-27 2021-09-28 宁德新能源科技有限公司 Battery structure and electronic device using same

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Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd.

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Granted publication date: 20180206