CN106099220A - A kind of battery and electronic equipment - Google Patents

A kind of battery and electronic equipment Download PDF

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Publication number
CN106099220A
CN106099220A CN201610510004.3A CN201610510004A CN106099220A CN 106099220 A CN106099220 A CN 106099220A CN 201610510004 A CN201610510004 A CN 201610510004A CN 106099220 A CN106099220 A CN 106099220A
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China
Prior art keywords
battery
lamella
negative electrode
metal plate
core
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CN201610510004.3A
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Chinese (zh)
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CN106099220B (en
Inventor
黄保宁
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Priority to CN201610510004.3A priority Critical patent/CN106099220B/en
Publication of CN106099220A publication Critical patent/CN106099220A/en
Priority to US15/479,361 priority patent/US10243243B2/en
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Publication of CN106099220B publication Critical patent/CN106099220B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the 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
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of battery and electronic equipment, for solving the technical problem that prior art cannot get the current potential of battery negative electrodes lamella.Described battery includes: battery core, and described battery core is made up of core and diaphragm seal;Described core is that negative electrode lamella, the first metal plate layer, the first isolating membrane, anelectrode lamella and the second isolating membrane are constituted according to circumference curling together;Described diaphragm seal wraps up described core;Described first metal plate layer and described negative electrode lamella, be used for producing target voltage values;Protection circuit plate, described protection circuit plate is connected with described first metal plate layer and described negative electrode lamella;For obtaining described target voltage values.

Description

A kind of battery and electronic equipment
Technical field
The application relates to cell art, particularly relates to a kind of battery and electronic equipment.
Background technology
The composition of existing battery includes: anelectrode lamella, negative electrode lamella, and is positioned at anelectrode lamella and negative electrode Isolating membrane between lamella, described isolating membrane is for separating anelectrode lamella and negative electrode lamella, it is to avoid anelectrode lamella and The contact of negative electrode lamella causes short circuit.
In prior art, electronic equipment, when being charged battery, can only get anelectrode lamella and negative electrode plate Voltage between Ceng, described voltage is the difference between the current potential of anelectrode lamella and the current potential of negative electrode lamella, it is impossible to reflection Current potential on negative electrode lamella, and in charging process, the current potential of battery negative electrodes lamella may be 0V (volt), this kind of feelings Under condition, negative electrode lamella there will be crystallization effect, the metallic crystal on negative electrode lamella may pierce through isolating membrane and cause positive and negative The electrical connection of electrode lamella causes short circuit, damages battery, threatens personal safety.
From the foregoing, prior art can not obtain the current potential of the negative electrode lamella of battery, causing cannot be to being likely to occur Risk take measures to evade.
Summary of the invention
The embodiment of the present invention provides a kind of battery and electronic equipment, cannot get battery negative electricity in order to solve prior art The technical problem of the current potential of pole piece layer.
In order to reach foregoing invention purpose, the concrete technical scheme that the embodiment of the present invention provides is as follows:
First aspect, it is provided that a kind of battery, described battery includes:
Battery core, described battery core is made up of core and diaphragm seal;
Described core is negative electrode lamella, the first metal plate layer, the first isolating membrane, anelectrode lamella and the second isolating membrane Constitute according to circumference curling together;Described diaphragm seal wraps up described core;
Described first metal plate layer and described negative electrode lamella, for producing a target voltage values;
Protection circuit plate, described protection circuit plate is connected with described first metal plate layer and described negative electrode lamella;For Obtaining described target voltage values, wherein, described target voltage values indicates the current potential of described negative electrode lamella.
Alternatively, described first metal plate layer is between described negative electrode lamella and described first isolating membrane, to stop The crystallization that described negative electrode lamella produces is pierced through described first isolating membrane and is formed and cause short with the electrical connection of described anelectrode lamella Road.
Alternatively, the hierarchical relationship of described core be followed successively by described negative electrode lamella, described first metal plate layer, described One isolating membrane, described anelectrode lamella and described second isolating membrane.
Alternatively, described core also includes that the second metal plate layer, described second metal plate layer are positioned at described first isolating membrane And between described anelectrode lamella.
Alternatively, described protection circuit plate refers to for producing termination when determining that described target voltage values meets voltage threshold Order, the charge controlling chip of the electronic equipment that described suspended market order has described battery for instruction stops filling described battery Electricity.
Alternatively, described sheet metal is aluminium flake or copper sheet.
Alternatively, described anelectrode lamella is cobalt acid lithium LiCoO2;Described negative electrode lamella is carbon C.
On the other hand, it is provided that a kind of electronic equipment, described electronic equipment includes:
Housing;
Battery, is positioned at described housing, described battery battery as described in above-mentioned first aspect provides.
Alternatively, described electronic equipment also includes:
Charging device, is used for obtaining charging current and is charged described battery;
Charge controlling chip, for controlling the charging that described battery is carried out by described charging device.
Alternatively, described charge controlling chip specifically for: the protection circuit plate receiving described battery is determining described mesh The suspended market order that mark magnitude of voltage produces when meeting voltage threshold, and perform described suspended market order, so that described charging device stops Charging to described battery.
Use such scheme, described first metal plate layer in battery and described negative electrode lamella, be used for producing described mesh Mark magnitude of voltage;Described protection circuit plate is connected with described first metal plate layer and described negative electrode lamella;For obtaining described mesh Mark magnitude of voltage.Wherein, described target voltage values indicates the current potential of negative electrode lamella, solves in prior art and cannot get The technical problem of the current potential of negative electrode lamella, so that include that the electronic equipment of described battery can be according to described negative electricity Battery charging is controlled, and then so that negative electrode lamella does not haves crystallization by pole piece layer, it is to avoid crystallization pierce through every The risk that battery damages is caused from film.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required use in embodiment being described below Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be some embodiments of the present invention, for ability From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings Figure.
Fig. 1 is the structural representation of battery roll core of the prior art;
Fig. 2 provides the structural representation of a kind of battery for the embodiment of the present invention;
The structural representation of a kind of core that Fig. 3 a provides for the embodiment of the present invention;
The structural representation of the another kind of core that Fig. 3 b provides for the embodiment of the present invention;
The structural representation of another core that Fig. 4 provides for the embodiment of the present invention;
The structural representation of another core that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of battery that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of electronic equipment that Fig. 7 a provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 7 b provides for the embodiment of the present invention;
The structural representation of a kind of mobile phone that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make those skilled in the art be easier to understand the technical scheme that the embodiment of the present invention provides, the most right The relevant technical terms that the present embodiments relate to is introduced.
Battery crystallization refers in charging process, and battery negative electrodes lamella produces the phenomenon of crystalline particle.With lithium-ion electric The principle of pond explanation battery crystallization:
The positive electrode of lithium ion battery is generally made up of the reactive compound of lithium, and negative pole is then special molecular structure Carbon, common positive electrode is mainly composed of cobalt acid lithium LiCoO2, and during charging, the electromotive force being added in battery the two poles of the earth forces the change of positive pole Compound disengages lithium ion, embeds in the carbon that negative pole molecules align is lamellar structure, and in charging process, the current potential of negative pole is 0V Time, show the carbon of negative plate Rotating fields cannot embed lithium ion, now, continue charging and lithium ion can be caused to be attached to negative pole On lamella, crystallization occurs, say, that the crystallization on battery cathode lamella is because what over-charging of battery caused.
The harm of the crystallization being described below on negative electrode lamella.Fig. 1 show the knot of battery roll core in prior art Structure schematic diagram, including anelectrode lamella 1, the first isolating membrane 2, negative electrode lamella the 3, second isolating membrane 4, wherein, stacks gradually Described anelectrode lamella 1, described first isolating membrane 2, described negative electrode lamella 3, described second isolating membrane 4 side as shown in Figure 1 Formula winds, negative electrode lamella after winding 3 is coated with by the first isolating membrane 2 and the second isolating membrane 4, it is to avoid with anelectrode lamella 1 contact.In the case of having crystallization on negative electrode lamella 3, crystallization may pierce through the first isolating membrane 2 and the second isolating membrane 4, leads Cause to be formed between negative electrode lamella 3 and anelectrode lamella 1 to electrically connect short circuit, cause battery to damage.
The embodiment of the present invention is by providing a kind of battery and electronic equipment, and described battery includes: battery core, and described battery core is by rolling up Core and diaphragm seal composition;Described core is negative electrode lamella, the first metal plate layer, the first isolating membrane, anelectrode lamella and Two isolating membrane are constituted according to circumference curling together;Described diaphragm seal wraps up described core;Described first metal plate layer is negative with described Electrode lamella, is used for producing target voltage values;Protection circuit plate, described protection circuit plate and described first metal plate layer and described Negative electrode lamella connects, and is used for obtaining described target voltage values.Solve prior art and cannot get battery negative electrodes lamella The technical problem of current potential.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of battery 20, as in figure 2 it is shown, this battery 20 includes:
Battery core 21, described battery core 21 is made up of core 211 and diaphragm seal 212;
Wherein, described diaphragm seal can be aluminum-plastic composite membrane.
Described core 211 is negative electrode lamella the 2111, first metal plate layer the 2112, first isolating membrane 2113, electrode film Layer 2114 and the second isolating membrane 2115 are constituted according to circumference curling together;Described diaphragm seal 212 wraps up described core 211;
Described first metal plate layer 2112 and described negative electrode lamella 2111, be used for producing target voltage values;
Protection circuit plate 22, described protection circuit plate 22 and described first metal plate layer 2112 and described negative electrode lamella 2111 connect, and are used for obtaining described target voltage values.
Wherein, the current potential of described first metal plate layer 2112 is always 0, so, and negative electrode lamella 2111 and described first Target voltage values between metal plate layer 2112 is the current potential of described negative electrode lamella.
Therefore, the electronic equipment including above-mentioned battery 20 can obtain battery negative electrodes sheet based on described protection circuit plate 22 The current potential of layer, so that negative electrode lamella does not haves crystallization, it is to avoid crystallization is pierced through isolating membrane and caused battery to damage Risk.
What deserves to be explained is, Fig. 1 is merely illustrative, and its shown described first metal plate layer 2112 is positioned at negative electrode Between lamella 2111 and the first isolating membrane 2113, in the specific implementation, the first metal plate layer 2112 may be located at appointing of core 211 Layer one by one, this is not limited by the present invention.
Above-mentioned battery 20 can prevent isolating membrane to be pierced by two ways and cause short circuit, enters both modes below Row describes in detail.
Mode one, as shown in Figure 3 a, described first metal plate layer 2112 is positioned at described negative electrode lamella 2111 and described Between one isolating membrane 2113, with the crystallization stoping described negative electrode lamella to produce pierce through described first isolating membrane formed with described just The electrical connection of electrode lamella causes short circuit.
It is to say, in the specific implementation, the first metal plate layer 2112 is positioned at described negative electrode lamella 2111 and described Can be further up to the effect stoping the crystallization on negative electrode lamella pierce through isolating membrane between first isolating membrane 2113, so, Even if negative electrode lamella creates crystallization in charging process, crystallization also cannot be pierced through the first metal plate layer, and then not resulted in Negative electrode lamella and the electrical connection of anelectrode lamella.
Wherein, Fig. 3 b shows the profile of core 211, shows in detail the wound condition of each layer that core 211 includes, Wherein, the hierarchical relationship of described core 211 is followed successively by described negative electrode lamella 2111, described first metal plate layer 2112, described First isolating membrane 2113, described anelectrode lamella 2114 and described second isolating membrane 2115.
What deserves to be explained is, negative electrode lamella 2111 can not be connected with the first metal plate layer 2112, the core shown in Fig. 3 a Between negative electrode lamella 2111 and the first metal plate layer 2112, there is certain interval in 211.In the specific implementation, in order to ensure negative Electrode lamella 2111 does not contacts with the first metal plate layer 2112, can increase by one between negative electrode lamella and the first metal plate layer Layer the 3rd isolating membrane 2116, say, that as shown in Figure 3 b, the hierarchical relationship of described core 211 is followed successively by described negative electrode plate Layer 2111, described 3rd isolating membrane 2116, described first metal plate layer 2112, described first isolating membrane 2113, described anelectrode Lamella 2114 and described second isolating membrane 2115.
In a kind of possible implementation of the embodiment of the present invention, as shown in Figure 4, described core 211 also includes second Metal plate layer 2117, described second metal plate layer 2117 is between described first isolating membrane and described anelectrode lamella.
Wherein, Fig. 4 shows the profile of core 211, shows in detail the wound condition of each layer that core 211 includes, Wherein, the hierarchical relationship of described core 211 is followed successively by described negative electrode lamella 2111, described first metal plate layer 2112, described First isolating membrane 2113, described second metal plate layer 2117, described anelectrode lamella 2114 and described second isolating membrane 2115.
In like manner, one layer of the 4th isolating membrane 2118 can also be increased between the second metal plate layer 2117 and anelectrode lamella, i.e. The hierarchical relationship of described core 211 can be followed successively by described negative electrode lamella 2111, described first metal plate layer 2112, described One isolating membrane 2113, described second metal plate layer 2117, described 4th isolating membrane 2118, described anelectrode lamella 2114 and institute State the second isolating membrane 2115.
Preferably, can use core 211 as shown in Figure 5 in the specific implementation, its hierarchical relationship is followed successively by described negative Electrode lamella the 2111, the 3rd isolating membrane 2116, described first metal plate layer 2112, described first isolating membrane 2113, described second Metal plate layer 2117, described 4th isolating membrane 2118, described anelectrode lamella 2114 and described second isolating membrane 2115.
What deserves to be explained is, piercing through the situation of isolating membrane except there is crystallization on negative electrode lamella, anelectrode lamella is with negative Burr on electrode lamella is likely to pierce through isolating membrane, and described burr is that electrode lamella produces in the course of processing, due to system Making the restriction of technique, currently manufactured electrode slice still there may be burr, according to there is the electrode slice of burr and not depositing In the case of metal plate layer, in use, burr is likely to pierce through the isolating membrane between positive and negative electrode lamella, causes short Road.The embodiment of the present invention uses core as shown in Figure 5, and the crystallization both avoided on negative electrode lamella is pierced through, and just turn avoid Burr on negative electrode lamella pierces through, and improves the safety of battery.
Mode two, described protection circuit plate 22 are specifically for producing when determining that described target voltage values meets voltage threshold Suspended market order, the charge controlling chip of the electronic equipment that described suspended market order has described battery for instruction stops described electricity The charging in pond.
Illustratively, as shown in Figure 6, the ground connection of described first metal plate layer, so, the electricity of described first metal plate layer 2112 Position is always 0V, and the target voltage values between described negative electrode lamella 2111 and described first metal plate layer 2112 is described negative The current potential of electrode lamella 2111, as shown in Figure 6, protection circuit plate 22 one end connects negative electrode lamella 2111, and the other end connects the One metal plate layer 2112, so, the voltage that protection circuit plate 22 two ends record is described target voltage values.
What deserves to be explained is, target voltage values described in the embodiment of the present invention deducts the first gold medal equal to the current potential of negative electrode lamella Belonging to the current potential of lamella, owing to the current potential of the first metal plate layer is 0, therefore, described target voltage values is described negative electrode lamella Current potential.If described target voltage values being interpreted as deducting equal to the current potential of the first metal plate layer the current potential of negative electrode lamella, then The negative of described target voltage values is the current potential of described negative electrode lamella.
Above-mentioned voltage threshold can be 0V, when described protection circuit plate 22 determines that described first metal plate layer 2112 is with described When target voltage values between negative electrode lamella 2111 is 0V, show that the current potential of the most described negative electrode lamella is also 0V, at this In the case of Zhong, continuing charging and negative electrode lamella will be caused to crystallize, therefore, described protection circuit plate 22 can send suspended market order Give the electronic equipment that charges for described battery, indicate described electronic equipment to stop battery and charge, it is to avoid negative electrode lamella produces Raw crystallization, and then avoid isolating membrane and be crystallized to pierce through and cause short circuit.
Wherein, described voltage threshold can preset according to the actual requirements, and the most described voltage threshold also may be used To be a negative, this is not limited by the present invention.Preferably, deduct equal to the current potential of negative electrode lamella in described target voltage values In the case of the current potential of the first metal plate layer, may range from of the voltage threshold described in the embodiment of the present invention: [-1.5V, 0V].
What deserves to be explained is, the sheet metal described in the embodiment of the present invention can be aluminium flake, it is also possible to for copper sheet, also may be used Thinking the lamella of other metal materials, this is not limited by the present invention.
It addition, the battery 20 that the embodiment of the present invention provides can be lithium ion battery, in this case, described battery 20 The material of anelectrode lamella 2114 be cobalt acid lithium LiCoO2, the material of described negative electrode lamella 2111 is carbon C.
Using above-mentioned battery, the first metal plate layer increased in described battery is i.e. possible to prevent the knot on negative electrode lamella Crystalline substance pierces through and causes negative electrode lamella to electrically connect with anelectrode lamella causing short circuit, it is also possible to produces together with negative electrode lamella and is used for The target voltage values of the current potential of reflection negative electrode lamella, so, after protection circuit plate gets described target voltage values, can make Obtaining negative electrode lamella and will not produce crystallization, the technology solving the current potential that cannot get negative electrode lamella in prior art is asked Topic, it is to avoid the risk that isolating membrane causes battery to damage is pierced through in crystallization.
The embodiment of the present invention also provides for a kind of electronic equipment 70, and as shown in Figure 7a, described electronic equipment includes:
Housing 71;
Battery 20, is positioned at described housing 71, and described battery 20 includes: battery core, and described battery core is by core and diaphragm seal group Become;Described core be negative electrode lamella, the first metal plate layer, the first isolating membrane, anelectrode lamella and the second isolating membrane together Constitute according to circumference curling;Described diaphragm seal wraps up described core;Described first metal plate layer and described negative electrode lamella, be used for Produce a target voltage values;Protection circuit plate, described protection circuit plate and described first metal plate layer and described negative electrode lamella Connecting, be used for obtaining described target voltage values, described target voltage values indicates the current potential of described negative electrode lamella.
Alternatively, described first metal plate layer is between described negative electrode lamella and described first isolating membrane, to stop The crystallization that described negative electrode lamella produces is pierced through described first isolating membrane and is formed and cause short with the electrical connection of described anelectrode lamella Road.
Alternatively, the hierarchical relationship of described core be followed successively by described negative electrode lamella, described first metal plate layer, described One isolating membrane, described anelectrode lamella and described second isolating membrane.
Alternatively, described core also includes that the second metal plate layer, described second metal plate layer are positioned at described first isolating membrane And between described anelectrode lamella.
Alternatively, described sheet metal is aluminium flake or copper sheet.
Alternatively, described anelectrode lamella is cobalt acid lithium LiCoO2, and described negative electrode lamella is carbon C.
What deserves to be explained is, the explanation about battery 20 is specifically referred to the foregoing invention embodiment phase to Fig. 1 to Fig. 6 Should describe, here is omitted.
In a kind of possible implementation of the embodiment of the present invention, as shown in Figure 7b, described electronic equipment also includes: fill Electric installation 72, is used for obtaining charging current and is charged described battery;Charge controlling chip 73, is used for controlling described charging dress Put the charging that described battery is carried out.
Specifically, described charge controlling chip 73 is used for: the protection circuit plate receiving described battery is determining described target The suspended market order that magnitude of voltage produces when meeting voltage threshold, and perform described suspended market order, so that described charging device 72 stops Charging to described battery.
Illustratively, when the protection circuit plate of described battery 20 determine described first metal plate layer and described negative electrode lamella it Between target voltage values when being 0V, show that the current potential of the most described negative electrode lamella, also for 0V, in this case, continues charging Negative electrode lamella will be caused to crystallize, and therefore, described charge controlling chip 73 can receive in the transmission of described protection circuit plate Only instruction, and perform described suspended market order and control described charging device 72 and stop the charging to described battery 20, it is to avoid negative electricity Pole piece layer produces crystallization, and then avoids isolating membrane and be crystallized to pierce through and cause short circuit, improves the safety of described electronic equipment.
What deserves to be explained is, above-mentioned electronic equipment 70 can be mobile phone, panel computer, notebook computer, UMPC (Ultra- Mobile Personal Computer, Ultra-Mobile PC), net book, PDA (Personal Digital Assistant, personal digital assistant) etc. terminal unit, illustrate as a example by mobile phone below, Fig. 8 is illustrated that and the present invention The block diagram of the part-structure of the mobile phone 80 that each embodiment is relevant.
As shown in Figure 8, mobile phone 80 includes: battery 20, charging device 801, charge controlling chip 802, RF (radio Frequency, radio frequency) circuit 803, memorizer 804, input block 805, display unit 806, processor 807, voicefrequency circuit 808 parts such as grade.It will be understood by those skilled in the art that the handset structure shown in Fig. 8 is not intended that the restriction to mobile phone, permissible Illustrate more or less of parts including ratio, or combine some parts, or different parts are arranged.
Described processor 807 can be CPU (Center Processing Unit, referred to as CPU).Institute Stating charge controlling chip 802 can be FPGA (Field Programmable Gate Array, field programmable gate array), To realize the control to battery charging.Described charging device 801 is the device being connected with external charging adapter, is used for obtaining electricity Battery 20 is charged by stream.The crystallization that the first metal plate layer in described battery 20 is possible to prevent on negative electrode lamella is pierced through and is led Cause negative electrode lamella electrically connects with anelectrode lamella and causes short circuit, it is also possible to produce for reflecting negative electricity together with negative electrode lamella The target voltage values of the current potential of pole piece layer, so, the protection circuit plate of battery 20 is in the charging device 501 charging to battery 20 After journey gets described target voltage values, if described target voltage values is 0V, then can be to described charge controlling chip 802 Send suspended market order, described charge controlling chip 802 to perform described suspended market order to stop described to control described charging device 801 Battery 20 is charged, it is to avoid the negative electrode lamella of described battery 20 produces crystallization, and then avoids crystallization and pierce through isolating membrane Cause battery to damage, improve the safety of mobile phone 80.
Although having been described for the preferred embodiment of the application, but one of ordinary skilled in the art once knowing substantially Creative concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to bag Include preferred embodiment and fall into all changes and the amendment of the application scope.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the application to the application God and scope.So, if these amendments of the application and modification belong to the scope of the application claim and equivalent technologies thereof Within, then the application is also intended to comprise these change and modification.

Claims (10)

1. a battery, described battery includes:
Battery core, described battery core is made up of core and diaphragm seal;
Described core be negative electrode lamella, the first metal plate layer, the first isolating membrane, anelectrode lamella and the second isolating membrane together Constitute according to circumference curling;Described diaphragm seal wraps up described core;
Described first metal plate layer and described negative electrode lamella, for producing a target voltage values;
Protection circuit plate, described protection circuit plate is connected with described first metal plate layer and described negative electrode lamella;For obtaining Described target voltage values, wherein, described target voltage values indicates the current potential of described negative electrode lamella.
Battery the most according to claim 1, it is characterised in that described first metal plate layer be positioned at described negative electrode lamella and Between described first isolating membrane, pierce through described first isolating membrane with the crystallization stoping described negative electrode lamella to produce and formed with described The electrical connection of anelectrode lamella causes short circuit.
Battery the most according to claim 2, it is characterised in that the hierarchical relationship of described core is followed successively by described negative electrode plate Layer, described first metal plate layer, described first isolating membrane, described anelectrode lamella and described second isolating membrane.
Battery the most according to claim 3, it is characterised in that described core also includes the second metal plate layer, described second Metal plate layer is between described first isolating membrane and described anelectrode lamella.
Battery the most according to claim 1, it is characterised in that described protection circuit plate is for determining described target voltage Value produces suspended market order when meeting voltage threshold, and described suspended market order has the charging of the electronic equipment of described battery for instruction Control chip stops the charging to described battery.
6. according to the battery described in any one of claim 1 to 5, it is characterised in that described sheet metal is aluminium flake or copper sheet.
7. according to the battery described in any one of claim 1 to 5, it is characterised in that described anelectrode lamella is cobalt acid lithium LiCoO2;Described negative electrode lamella is carbon C.
8. an electronic equipment, described electronic equipment includes:
Housing;
Battery, is positioned at described housing, and described battery is the battery as described in any one of Claims 1-4.
Electronic equipment the most according to claim 8, it is characterised in that described electronic equipment also includes:
Charging device, is used for obtaining charging current and is charged described battery;
Charge controlling chip, for controlling the charging that described battery is carried out by described charging device.
Electronic equipment the most according to claim 9, it is characterised in that described charge controlling chip specifically for: receive institute State the protection circuit plate of battery determining the suspended market order produced when described target voltage values meets voltage threshold, and perform described Suspended market order, so that described charging device stops the charging to described battery.
CN201610510004.3A 2016-06-30 2016-06-30 Battery and electronic equipment Active CN106099220B (en)

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CN201610510004.3A CN106099220B (en) 2016-06-30 2016-06-30 Battery and electronic equipment
US15/479,361 US10243243B2 (en) 2016-06-30 2017-04-05 Battery and charging method

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CN106099220B CN106099220B (en) 2021-10-22

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Citations (10)

* Cited by examiner, † Cited by third party
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