CN102544594A - Cell and terminal - Google Patents

Cell and terminal Download PDF

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Publication number
CN102544594A
CN102544594A CN2012100477045A CN201210047704A CN102544594A CN 102544594 A CN102544594 A CN 102544594A CN 2012100477045 A CN2012100477045 A CN 2012100477045A CN 201210047704 A CN201210047704 A CN 201210047704A CN 102544594 A CN102544594 A CN 102544594A
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CN
China
Prior art keywords
plate
negative electrode
negative
electric core
positive plate
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Pending
Application number
CN2012100477045A
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Chinese (zh)
Inventor
赵文龙
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.)
Huawei Device Co Ltd
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Huawei Device Co Ltd
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Publication date
Application filed by Huawei Device Co Ltd filed Critical Huawei Device Co Ltd
Priority to CN2012100477045A priority Critical patent/CN102544594A/en
Publication of CN102544594A publication Critical patent/CN102544594A/en
Priority to PCT/CN2013/071751 priority patent/WO2013127313A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/116Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/116Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117Inorganic material
    • H01M50/119Metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The embodiment of the invention provides a cell and a terminal, relating to the electronic field. According to the cell and the terminal disclosed by the invention, current flowing on a positive electrode plate and current flowing on a negative electrode plate are equal in size and opposite in direction so that background noise of a magnetic field is reduced; and furthermore, the production cost of the cell is not only not increased, but also the production cost of the terminal is not increased. The cell provided by the embodiment of the invention comprises an electric core, the electric core comprises the positive electrode plate, a diagram, the negative electrode plate, a positive electrode plug and a negative electrode lug, wherein the positive electrode plate, the diagram and the negative electrode plate are sequentially stacked and wound, the positive electrode lug is in electric contact with the positive electrode plate, the negative electrode lug is in electric contact with the negative electrode plate, the positive electrode lug and the negative electrode lug are arranged at the same ends of the positive electrode plate and the negative electrode plate, thus the current flowing on the positive electrode plate and the current flowing on the negative electrode plate are equal in size and opposite in direction.

Description

A kind of battery and terminal
Technical field
The present invention relates to electronic applications, relate in particular to a kind of battery and terminal.
Background technology
In recent years; Along with popularizing of digital mobile phone; The radio wave that digital mobile phone sends can form electromagnetic field around antenna, this can make the people that wear hearing aids hear ear-piercing buzz, and increasing hearing aids wearer begins to complain that their digital mobile phone and hearing aids can not compatiblely well use; One of them reason is that it is bigger to make an uproar at the bottom of the magnetic field that digital mobile phone produces.Making an uproar in the end, or claims background noise, also claims background noise.Refer generally to the overall noise except that useful signal in the electroacoustics system: comprise stereo set noise and playback ambient noise two parts.Therefore, seek favorable compatibility between hearing aids and digital mobile phone, become hearing aids manufacturer, digital mobile phone manufacturer, the common problem of paying close attention to of Internet service provider.
Yet, stating in realization and reduce in the process of making an uproar at the bottom of the magnetic field, the inventor finds to make an uproar at the bottom of the most magnetic field and comes from battery; At least have following problem in the prior art: making an uproar at the bottom of the most magnetic field comes from battery, and prior art has hearing aid compatibility (Hearing Aid Compatibility, HAC through on digital mobile phone, increasing; Hearing aid compatibility) device; Intensity with through increase magnetic field improves the magnetic field signal to noise ratio, yet, in actual use; Prior art is made an uproar at the bottom of can not effectively reducing magnetic field, and has increased the production cost of digital mobile phone.
Summary of the invention
Embodiments of the invention provide a kind of battery and terminal; Can make the size of current that flows on positive plate and the negative plate equate, in the opposite direction, to make an uproar at the bottom of the reduction magnetic field, further; Not only do not increase the production cost of battery, and do not increase the production cost at terminal.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand; The embodiment of the invention provides a kind of battery, comprises electric core, and said electric core comprises positive plate, barrier film, negative plate stacked successively and that reel; And the anode ear that electrically contacts with said positive plate, the negative electrode lug that electrically contacts with said negative plate; It is characterized in that said anode ear and said negative electrode lug are positioned at the same end of said positive plate, negative plate so that mobile size of current equates on the electric current that flows on the said positive plate and the said negative plate, in the opposite direction.
On the one hand; The embodiment of the invention provides a kind of terminal, comprises electric core, and said electric core comprises positive plate, barrier film, negative plate stacked successively and that reel; And the anode ear that electrically contacts with said positive plate, the negative electrode lug that electrically contacts with said negative plate; It is characterized in that said anode ear and said negative electrode lug are positioned at the same end of said positive plate, negative plate so that mobile size of current equates on the electric current that flows on the said positive plate and the said negative plate, in the opposite direction.
Battery that the embodiment of the invention provides and terminal; Through anode ear and negative electrode lug being arranged at the same end of the stacked successively and positive plate of reeling, barrier film, negative plate; Wherein, Anode ear and positive plate electrically contact, and negative electrode lug and negative plate electrically contact so that equate with size of current mobile on negative plate at the electric current that flows on the positive plate, in the opposite direction.Through this scheme, can make the size of current that flows on positive plate and the negative plate equate, in the opposite direction, to make an uproar at the bottom of the reduction magnetic field, further, not only do not increase the production cost of battery, and do not increase the production cost at terminal.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The core strueture sketch map one that Fig. 1 provides for the embodiment of the invention;
Fig. 2 just (bears) pole piece structural representation one for what the embodiment of the invention provided;
Produce the magnetic field sketch map on the current-carrying circular coil axis that Fig. 3 provides for the embodiment of the invention;
Fig. 4 is the core strueture sketch map of prior art;
The core strueture sketch map two that Fig. 5 provides for the embodiment of the invention;
The core strueture sketch map three that Fig. 6 provides for the embodiment of the invention;
Fig. 7 just (bears) pole piece structural representation two for what the embodiment of the invention provided.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of battery; Comprise electric core; As shown in Figure 1; Said electric core comprises positive plate 10, barrier film 11, negative plate 12 stacked successively and that reel, and the anode ear 13 that electrically contacts with said positive plate 10, the negative electrode lug 14 that electrically contacts with said negative plate 12, wherein; Said anode ear 13 and said negative electrode lug 14 are positioned at the same end of said positive plate 10, negative plate 12 so that mobile size of current equates on the electric current that flows on the said positive plate 10 and the said negative plate 12, in the opposite direction.
Because the size of current that flows on the electric current that flows on the positive plate 10 and the said negative plate 12 equates, thereby the positive and negative plate that makes in the opposite direction is cancelled out each other in the magnetic field of far-end generation, and then made an uproar at the bottom of having reduced magnetic field.
Fig. 2 is positive plate 10 (or negative plate a 12) structural representation, and wherein anode ear 13 electrically contacts (or negative electrode lug 14 electrically contacts with negative plate 12) with positive plate 10.
Here, as shown in Figure 3, relative theories such as electric current generation magnetic field are elaborated.
Fig. 3 is the magnetic field on the current-carrying circular coil axis:
If radius is the I that alives in the lead annulus of R, takes up an official post at annulus and to get this current element of current element
Figure BDA0000139157860000031
and on the annulus axis be from the magnetic flux density of the field at ring heart x place point P generation:
(μ wherein 0Magnetic permeability for vacuum)
Can know that by Fig. 3 α is the angle of r and R, α and θ's and be 90 the degree, dB is vertical with r, dB Vertical with the x axle, r with
Figure BDA0000139157860000033
Vertically.
By symmetry: whole annulus equals zero i.e.:
Figure BDA0000139157860000034
at the component perpendicular to axis direction of the magnetic induction that the P point produces
And the component of the direction that parallels to the axis is: DB | | = μ 0 4 π Idl r 2 Cos α = μ 0 IR · Dl 4 π ( R 2 + x 2 ) 3 / 2
So whole current-carrying circular coil at the magnetic induction that the P point produces is:
Figure BDA0000139157860000041
1. when x=0, the electric current that promptly on the current-carrying circular coil, flows through at the magnetic induction that circle centre position produces is: B o = μ 0 I 2 R
2. when x>>during R: m is the magnetic moment of current-carrying circular coil in
Figure BDA0000139157860000043
formula, and S is the area of the circle that constituted of current-carrying circular coil.
The periphery of electric current can produce magnetic field, above-mentioned magnetic field intensity that is some generation in the space of current-carrying circular coil.Because constant electric current produces constant magnetic field; The magnetic field that the electric current that changes changes, so, if the electric current that flows in the current-carrying circular coil changes; And change frequency then can produce the variation magnetic field of corresponding frequencies at current-carrying circular coil periphery in audiorange.
And then; As shown in Figure 4; Electric core of the prior art does; Stacked successively and reel positive plate 10, barrier film (not shown), negative plate 12, anode ear 13 is positioned at an end of the said positive plate 10 of stacked successively said positive plate 10, barrier film, negative plate 12, and negative electrode lug 14 is positioned at the other end of the said negative plate 12 of stacked successively positive plate 10, barrier film, negative plate 12; Be the anode ear 13 coiling head end that is positioned at positive plate 10, coiling that negative electrode lug 14 is positioned at negative plate 12 is terminal; Perhaps, anode ear 13 is positioned at the coiling head end that coiling is terminal, negative electrode lug 14 is positioned at negative plate 12 of positive plate 10, and the electric current that flows through on positive plate 10, the negative plate 12 in the electric core after therefore reeling is sub-circular (sense of current is as indicated with a dotted line in Fig. 4).Magnetic field from above-mentioned current-carrying circular coil axis can know, the magnetic field that ring current produces is very strong, for the magnetic field calculation formula of typical round electric is: radius is that magnetic field intensity of its circle center does when aliving I in the lead annulus of R
Figure BDA0000139157860000044
(μ wherein 0Magnetic permeability for vacuum), thereby can know that magnetic field intensity and electric current are directly proportional, when electric current changed more greatly, the variation in magnetic field was also big more.
And then; As shown in Figure 5; The electric core that the embodiment of the invention provides does, stacked successively and positive plate 10, barrier film (not shown), the negative plate 12 of reeling, anode ear 13 and negative electrode lug 14 lay respectively at the same end of said positive plate 10, negative plate 12; It is the coiling head end that anode ear 13 and negative electrode lug 14 are positioned at positive plate 10, negative plate 12; Perhaps, anode ear 13 is terminal with the coiling that negative electrode lug 14 is positioned at positive plate 10, negative plate 12, on the electric current that flows on the positive plate 10 in the electric core after therefore reeling and the negative plate 12 mobile size of current equate, (sense of current is shown in dotted line among Fig. 5) in the opposite direction.Because the distance between the positive and negative plate is very little, thus can basic neutralisation on the positive and negative plate in magnetic field that far-end produces, thus realize the electric core design of downfield noise, make an uproar at the bottom of promptly having reduced magnetic field, and, do not increase the production cost of electric core.Wherein, anode ear and positive plate electrically contact, and negative electrode lug and negative plate electrically contact.
Further, as shown in Figure 5, anode ear 13 and negative electrode lug 14 are positioned at the coiling head end of said positive plate 10, negative plate 12, and anode ear 13, the negative electrode lug 14 after promptly reeling is positioned at the electric core outside;
Perhaps, as shown in Figure 6, it is terminal that anode ear 13 and negative electrode lug 14 are positioned at the coiling of said positive plate 10, negative plate 12, and anode ear 13, negative electrode lug 14 after promptly reeling are positioned at electric in-core side.
Further, the battery of the embodiment of the invention also comprises battery container, and it is inner that said electric core is arranged at said battery container.
Further, the battery of the embodiment of the invention also comprises electric core housing, and said electric core is arranged at the inside of said electric core housing, and it is inner that said electric core housing is arranged at said battery container.
Further, the material of said battery container can be ferromagnetic material.Battery container is used to encapsulate electric core and electric core housing.Common battery container does not all use ferromagnetic material.The embodiment of the invention uses ferromagnetic materials such as iron, steel, nickel, cobalt to come overall package electricity core and electric core housing, further armoured magnetic field.
Further, can use the electric core housing of ferromagnetic material, electric core is arranged at the inside of said electric core housing.Design basically all is to use aluminum electricity core housing for lithium ion battery at present; Can't shield magnetic field well; The embodiment of the invention uses ferromagnetic materials such as iron, steel, nickel or cobalt to do electric core housing design, the magnetic field that can further shield electric core and produced.
Further, the length of anode ear 13 is not less than the width of positive plate 10, and the length of negative electrode lug 14 is not less than the width of negative plate 12.The length that is anode ear 13 can be more than or equal to the width of positive plate 10, and the length of negative electrode lug 14 can be more than or equal to the width of negative plate 12.Preferably, as shown in Figure 7, the length of anode ear 13 can be greater than the width of positive plate 10; The length of negative electrode lug 14 can be greater than the width of negative plate 12; And then when cell package, anode ear and negative electrode lug can stretch out from the electric core of reeling, with positive pole and the negative pole that touches electric core housing.
The battery that the embodiment of the invention provides; Through anode ear and negative electrode lug being arranged at the same end of said positive plate, negative plate; Wherein, Anode ear and positive plate electrically contact, and negative electrode lug and negative plate electrically contact so that equate with size of current mobile on negative plate at the electric current that flows on the positive plate, in the opposite direction.Through this scheme, can make the size of current that flows on positive plate and the negative plate equate, in the opposite direction, to make an uproar at the bottom of the reduction magnetic field, further, not only do not increase the production cost of battery, and do not increase the production cost at terminal.
The terminal that the embodiment of the invention provides; Said terminal comprises electric core; As shown in Figure 1; Said electric core comprises positive plate 10, barrier film 11, negative plate 12 stacked successively and that reel, and the anode ear 13 that electrically contacts with said positive plate 10, the negative electrode lug 14 that electrically contacts with said negative plate 12, wherein; Said anode ear 13 and said negative electrode lug 14 are positioned at the same end of said positive plate 10, negative plate 12 so that mobile size of current equates on the electric current that flows on the said positive plate 10 and the said negative plate 12, in the opposite direction.
Further, said anode ear 13 and the negative electrode lug 14 same end that is positioned at said positive plate 10, negative plate 12 comprises:
Said anode ear 13 and said negative electrode lug 14 are positioned at the coiling head end of said positive plate 10, negative plate 12;
Perhaps, it is terminal that said anode ear 13 and said negative electrode lug 14 are positioned at the coiling of said positive plate 10, negative plate 12.
Further, the outer electric core housing that coats a ferromagnetic material of said electric core.Can use the electric core housing of ferromagnetic material, electric core is arranged at the inside of said electric core housing.Design basically all is to use aluminum electricity core housing for lithium ion battery at present; Can't shield magnetic field well; The embodiment of the invention uses ferromagnetic materials such as iron, steel, nickel or cobalt to do electric core housing design, the magnetic field that can further shield electric core and produced.
Further, said electric core housing also coats the battery container of a ferromagnetic material outward.The material of said battery container can be ferromagnetic material.Battery container is used to encapsulate electric core.Common battery container does not all use ferromagnetic material.The embodiment of the invention uses ferromagnetic materials such as iron, steel, nickel, cobalt to do battery container design, further armoured magnetic field.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of said claim.

Claims (11)

1. battery; Comprise electric core; Said electric core comprises positive plate, barrier film, negative plate stacked successively and that reel, and the anode ear that electrically contacts with said positive plate, with the negative electrode lug that said negative plate electrically contacts, it is characterized in that; Said anode ear and said negative electrode lug are positioned at the same end of said positive plate, negative plate so that mobile size of current equates on the electric current that flows on the said positive plate and the said negative plate, in the opposite direction.
2. battery according to claim 1 is characterized in that, the same end that said anode ear and negative electrode lug are positioned at said positive plate, negative plate comprises:
Said anode ear and said negative electrode lug are positioned at the coiling head end of said positive plate, negative plate;
Perhaps, said anode ear and said negative electrode lug are positioned at the coiling end of said positive plate, negative plate.
3. according to claim 1 or 2 arbitrary described batteries, it is characterized in that, also comprise battery container, it is inner that said electric core is arranged at said battery container.
4. battery according to claim 3 is characterized in that, also comprises electric core housing, and said electric core is arranged at the inside of said electric core housing, and it is inner that said electric core housing is arranged at said battery container.
5. according to claim 3 or 4 arbitrary described batteries, it is characterized in that the material of said battery container is a ferromagnetic material.
6. battery according to claim 4 is characterized in that, the material of said electric core housing is a ferromagnetic material.
7. according to the arbitrary described battery of claim 1-6, it is characterized in that the length of said anode ear is not less than the width of said positive plate, the length of said negative electrode lug is not less than the width of said negative plate.
8. terminal; It is characterized in that, comprise electric core, said electric core comprises positive plate, barrier film, negative plate stacked successively and that reel; And the anode ear that electrically contacts with said positive plate, the negative electrode lug that electrically contacts with said negative plate; It is characterized in that said anode ear and said negative electrode lug are positioned at the same end of said positive plate, negative plate so that mobile size of current equates on the electric current that flows on the said positive plate and the said negative plate, in the opposite direction.
9. said according to Claim 8 terminal is characterized in that, the same end that said anode ear and negative electrode lug are positioned at said positive plate, negative plate comprises:
Said anode ear and said negative electrode lug are positioned at the coiling head end of said positive plate, negative plate;
Perhaps, said anode ear and said negative electrode lug are positioned at the coiling end of said positive plate, negative plate.
10. according to Claim 8 or 9 said terminals, it is characterized in that the outer electric core housing that coats a ferromagnetic material of said electric core.
11., it is characterized in that said electric core housing also coats the battery container of a ferromagnetic material outward according to the said terminal of claim 10.
CN2012100477045A 2012-02-28 2012-02-28 Cell and terminal Pending CN102544594A (en)

Priority Applications (2)

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CN2012100477045A CN102544594A (en) 2012-02-28 2012-02-28 Cell and terminal
PCT/CN2013/071751 WO2013127313A1 (en) 2012-02-28 2013-02-22 Battery and terminal

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WO2013127313A1 (en) * 2012-02-28 2013-09-06 华为终端有限公司 Battery and terminal
CN105957982A (en) * 2016-05-27 2016-09-21 珠海光环新能源科技有限公司 Wirelessly-charged hearing aid battery
CN112615039A (en) * 2020-12-31 2021-04-06 广东微电新能源有限公司 Battery cell structure, battery and electronic equipment
CN113394465A (en) * 2021-06-08 2021-09-14 歌尔智能科技有限公司 Winding type battery and TWS Bluetooth headset

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CN108615950A (en) * 2018-07-06 2018-10-02 江苏卓高新材料科技有限公司 A kind of takeup type battery core method for shaping and shaping equipment
WO2022068690A1 (en) 2020-09-30 2022-04-07 南京德朔实业有限公司 Battery pack, electric tool system, and charging system
CN114361674B (en) * 2020-09-30 2024-08-02 南京泉峰科技有限公司 Battery pack
CN114094285B (en) * 2021-11-15 2023-06-27 蜂巢能源科技有限公司 Single-side pole long battery and electric energy storage device

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
WO2013127313A1 (en) * 2012-02-28 2013-09-06 华为终端有限公司 Battery and terminal
CN105957982A (en) * 2016-05-27 2016-09-21 珠海光环新能源科技有限公司 Wirelessly-charged hearing aid battery
CN112615039A (en) * 2020-12-31 2021-04-06 广东微电新能源有限公司 Battery cell structure, battery and electronic equipment
CN112615039B (en) * 2020-12-31 2022-05-17 广东微电新能源有限公司 Battery cell structure, battery and electronic equipment
CN113394465A (en) * 2021-06-08 2021-09-14 歌尔智能科技有限公司 Winding type battery and TWS Bluetooth headset
CN113394465B (en) * 2021-06-08 2022-11-22 歌尔智能科技有限公司 Winding type battery and TWS Bluetooth headset

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Application publication date: 20120704