CN207896215U - Battery and electronic equipment including the battery - Google Patents
Battery and electronic equipment including the battery Download PDFInfo
- Publication number
- CN207896215U CN207896215U CN201820288460.2U CN201820288460U CN207896215U CN 207896215 U CN207896215 U CN 207896215U CN 201820288460 U CN201820288460 U CN 201820288460U CN 207896215 U CN207896215 U CN 207896215U
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- battery
- electrically connected
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- lug
- reference electrode
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The disclosure provides a kind of battery and the electronic equipment including the battery.Battery includes battery core and connector.Battery core includes positive plate, the anode ear being electrically connected with positive plate, the negative plate separated with positive plate, the negative electrode lug being electrically connected with negative plate, the reference electrode separated with positive plate and negative plate, the reference lug being connect with reference electrode, reference electrode include lithium material.Connector is electrically connected with reference lug.
Description
Technical field
This application involves a kind of electronic technology field more particularly to a kind of battery and including the electronic equipment of battery.
Background technology
With the development of electronic technology, the function of electronic equipment is become stronger day by day, it has also become people live and entertain important
Component part.Battery is installed, battery can be power electronic equipment, and can utilize external power supply in many electronic equipments
It is charged the battery by the charging hole of electronic equipment.
Utility model content
The disclosure provides a kind of safe battery and the electronic equipment including the battery.
On the one hand, the disclosure provides one according to the first aspect of the embodiments of the present disclosure, provides a kind of battery and includes：Battery core,
The negative plate and negative plate electricity that the anode ear being electrically connected including positive plate, with the positive plate and the positive plate separate
The negative electrode lug of connection, the reference electrode separated with the positive plate and the negative plate, and the ginseng that is connect with the reference electrode
Than lug, the reference electrode includes lithium material；And connector, it is electrically connected with the reference lug.
Further, the reference electrode is between the positive plate and the negative plate, and with the positive plate and
It is respectively provided with diaphragm between the negative plate.
Further, the reference electrode includes lithium metal piece.
Further, the reference electrode includes the copper wire of surface plating lithium.
Further, the connector includes the positive pin being electrically connected with the anode ear, is electrically connected with the negative electrode lug
The cathode pin connect and the reference pin being electrically connected with the reference lug.
Further, the battery includes protection circuit plates, and the reference lug is electrically connected by the protection circuit plates
To the connector.
Further, the battery core includes plastic packaging film, the positive plate, the negative plate and the reference electrode plastic packaging in
In the plastic packaging film.
Further, the battery core includes positive current-collector and negative current-collector, and the positive plate is attached at the positive current-collector
On, the negative plate is attached on the negative current-collector.
According to the second aspect of the embodiment of the present disclosure, a kind of electronic equipment is provided, including：Above-mentioned battery；Charging circuit, with
The battery electrical connection, charges to the battery；And monitoring system, it is electrically connected, monitors with the battery and the charging circuit
Second between the poor and described negative plate of first voltage between the positive plate and the reference electrode and the reference electrode
Voltage difference, and the charging circuit is controlled according to the first voltage difference and the second voltage difference and is charged to the battery.
Further, the electronic equipment includes mobile phone.
The technical scheme provided by this disclosed embodiment can include the following benefits：Battery core is provided with reference electrode,
The voltage and anodic potentials that battery can be accurately monitored using reference electrode monitor the voltage and anode of battery when battery charges
The upper limit of current potential also ensures the stability of positive electrode to ensure battery while fully charged, is conducive to what battery used
Safety extends battery.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
It is open.
Description of the drawings
Fig. 1 show the schematic diagram of one embodiment of disclosure battery；
Fig. 2 show the schematic cross-section of the battery core of battery shown in FIG. 1；
Fig. 3 show the schematic block diagram of one embodiment of disclosure electronic equipment.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of consistent device and method of some aspects be described in detail in claims, the application.
It is the purpose only merely for description specific embodiment in the term that the disclosure uses, is not intended to be limiting the application.
Unless otherwise defined, technical term or scientific terminology used in this application, which are should be in fields of the present invention, has general skill
The ordinary meaning that the personage of energy is understood.The classes such as "one" or " one " used in present specification and claims
It does not indicate that quantity is limited like word yet, but indicates that there are at least one.Unless otherwise noted, " front ", " rear portion ", " lower part "
And/or the similar word such as " top " is only to facilitate illustrate, and be not limited to a position or a kind of spatial orientation." packet
Including " element or object that either the similar word such as "comprising" means to appear in before " comprising " or "comprising" cover and appear in
The " comprising " either element of "comprising" presented hereinafter or object and its equivalent, it is not excluded that other elements or object." even
Connect " either the similar word such as " connected " be not limited to physics or mechanical connection, and may include electrical company
It connects, it is either directly or indirect.In present specification and singulative used in the attached claims
"an", " described " and "the" are also intended to including most forms, unless context clearly shows that other meanings.It should also manage
Solution, term "and/or" used herein refer to and include one or more associated list items purposes any or all can
It can combination.
Electronic equipment at present, such as mobile phone monitor the voltage between anode and cathode, by the size of the voltage come
Judge whether battery fills with electricity or completely electric discharge.It is LiCoO in cell positive material2Embodiment in, battery charging and discharging
When, positive LiCoO2Generally it is being completely filled with lithium state (LiCoO2) and half de- lithium state (Li0.5CoO2) between recycled, at this time
Battery has good safety and cycle performance.However when charge or discharge, inside battery will produce ohmic polarization and dense
The current potential of difference polarization, positive and negative anodes has deviated from equilibrium potential, therefore the voltage only monitored between anode and cathode cannot have
Effect monitors the real-time current potential of anode and cathode, and when battery is fully charged, anode state has deviation Li0.5CoO2(lithium Li contains state
Amount<0.5) possibility occurs, and easily leads to inside battery at this time and a series of side reaction occurs, influence the safety and use of battery
Service life.
The battery of the embodiment of the present disclosure includes battery core and connector.Battery core includes positive plate, is electrically connected just with positive plate
Lug, the negative plate separated with positive plate, the negative electrode lug being electrically connected with negative plate, the reference separated with positive plate and negative plate electricity
Pole, and the reference lug that is connect with reference electrode, reference electrode includes lithium material.Connector is electrically connected with reference lug.Battery core
Reference electrode is set, the voltage and anodic potentials of battery can be accurately monitored using reference electrode, electricity is monitored when battery charges
The voltage in pond and the upper limit of anodic potentials also ensure the stability of positive electrode to ensure battery while fully charged, have
Conducive to the safety that battery uses, extend battery.
Fig. 1 show the schematic diagram of one embodiment of battery 10.Battery 10 includes battery core 11 and is electrically connected with battery core 11
Connector 12.Battery 10 further includes protection circuit plates 13, and battery core 11 is connected to connector 12 by protection circuit plates 13.One
In a embodiment, battery 10 can be lithium battery.Lithium ion moves between a positive electrode and a negative electrode in the electrolyte.Usually metal
Current-collector be used for from anode and cathode collect electronics.Lithium ion moves on to cathode in discharge process from anode, charging when from
Cathode moves on to anode.
Fig. 2 show the schematic cross-section of one embodiment of battery core 11.With reference to Fig. 1 and 2, battery core 11 is the storage of battery 10
Electric part.Battery core 11 includes positive plate 111, the anode ear 112 being electrically connected with positive plate 111, the cathode separated with positive plate 111
Piece 113, the negative electrode lug 114 being electrically connected with negative plate 113, the reference electrode 115 separated with positive plate 112 and negative plate 113, and
The reference lug 116 being connect with reference electrode 115.
Positive plate 111 is attached on positive current-collector 117.In one embodiment, positive current-collector 117 includes aluminium foil.Anode
The material of piece 111 needs can to supply lithium ion in battery charging process, and combine in battery discharge procedure later lithium from
Son.The material of positive plate 111 can be lithium metal oxide, phosphate or silicate.In some embodiments, positive plate 111
Material include but not limited to LiMO2 (M=Fe, Mn, Co or combination thereof), LiM2O4 (M=Mn, Ti or their group
Close), LiMPO4 (M=Fe, Mn, Co or combination thereof), LiMXM ' 2-XO4 (M, M '=Mn or Ni).
Negative plate 113 is attached on negative current-collector 118.In one embodiment, it may include copper foil to bear current-collector 118.
The material of negative plate 113 needs that lithium ion can be combined in battery charging process, and is discharged in battery discharge procedure later
Lithium ion.In some embodiments, the material of negative plate 113 can include but is not limited to carbon material, such as graphite, coke, soft
Carbon or hard carbon and metal, such as silicon (Si), aluminium (Al), tin (Sn) or their alloy.In further embodiments, cathode
The material of piece 113 may include titanium oxide, germanium oxide, copper oxide, tin oxide, and containing metal oxide (such as tungsten (W),
The oxide of iron (Fe), cobalt (Co)) lithium compound.In one embodiment, the material of negative plate 113 includes LiCoO2.
Reference electrode 115 includes lithium material, and lithium material includes lithium metal or lithium alloy.In one embodiment, reference electricity
Pole 115 includes lithium metal piece.In another embodiment, reference electrode 115 includes the copper wire of surface plating lithium.In other embodiment
In, reference electrode 115 can also be that other include the electric conductor of lithium metal or lithium alloy.Reference electrode 115 can be with reference electrode
Ear 116 welds together.
In one embodiment, reference electrode 115 is between positive plate 111 and negative plate 113, and with positive plate 111
Diaphragm 119 and 1190 is respectively provided between negative plate 113.Diaphragm 119 is for being isolated positive plate 111 and reference electrode 115, diaphragm
1190 for being isolated negative plate 113 and reference electrode 115, make positive plate 111, reference electrode 115 and the insulation of negative plate 113 every
From.
Anode ear 112 is electrically connected positive plate 111 and protection circuit plates 13.Negative electrode lug 114 is electrically connected negative plate 113 and protection
Circuit board 13.Reference lug 116 is electrically connected reference electrode 115 and protection circuit 13.Battery core 11 includes plastic packaging film 110, positive plate
111, negative plate 113 and 116 plastic packaging of reference electrode are in plastic packaging film 110.Plastic packaging film 110 can be aluminum plastic film.Anode ear 112,
Negative electrode lug 114 and reference lug 116 are stretched out out of plastic packaging film 110, are electrically connected with the protection circuit plates 13 outside plastic packaging film 110
It connects.
Anode ear 112, negative electrode lug 114 and reference lug 116 include metallic conductor.In one embodiment, anode ear
112 metallic conductor includes aluminum material, and aluminum material includes aluminum metal or aluminium alloy.The metallic conductor of negative electrode lug 114 includes
Nickel material, nickel material include nickel metal or nickel alloy.In one embodiment, negative electrode lug 114 may include copper plating nickel material.
In one embodiment, the metallic conductor of reference lug 116 may include aluminum material or nickel material.In one embodiment, just
Lug 112, negative electrode lug 114 and reference lug 116 include that film and metal tape are combined, and metal tape is as metallic conductor.
In one embodiment, anode ear 112, negative electrode lug 114 and reference lug 116 respectively include two panels film and are clipped in two panels film
Between metal tape.Film is the insulated part of lug, film can be prevented when battery core 11 encapsulates metal tape and aluminum plastic film it
Between short circuit occurs, and film and aluminum plastic film hot-melting sealed are bonded together by heating when encapsulating, prevent 11 leakage of battery core.
Connector 12 is electrically connected with reference lug 116.Reference lug 116 is electrically connected to connector by protection circuit plates 13
12.Anode ear 112 and negative electrode lug 114 are electrically connected to connector 12 also by protection circuit plates 13.Connector 12 can be by soft
Property circuit board 15 is electrically connected with protection circuit plates 13.Connector 12 includes the positive pin P+ being electrically connected with anode ear 112 and bears
The cathode pin P- that lug 114 the is electrically connected and reference pin S being electrically connected with reference lug 116.Battery core 11, protection circuit plates
13, connector 12 and flexible PCB 15 are packaged together.Connector 12 can be connect with the external circuit of electronic equipment, will be electric
Pond battery core 11 is electrically connected with external circuit, and external circuit is supplied electricity to the charging of battery 10 or battery 10.
Reference electrode 115 is arranged in battery core 11, and the voltage and anode electricity of battery 20 can be accurately monitored using reference electrode 115
Position, the upper limit of the voltage and anodic potentials of monitoring battery 10 when battery 10 charge, to ensure battery 10 fully charged same
When also ensure the stability of positive electrode, be conducive to the safety that battery 10 uses, extend battery.
Fig. 3 show the schematic diagram of one embodiment of electronic equipment 20.Electronic equipment 20 can be mobile phone.Other one
In a little embodiments, electronic equipment 20 can be tablet computer, electronics wearable device, other mobile terminals or other need to charge
Battery powered electronic equipment.Electronic equipment 20 includes above-mentioned battery 10, charging circuit 21 and monitoring system 22.Charging circuit 21
It is electrically connected with battery 10, charges to battery 10.Charging circuit 21 can by the charging jacks (not shown) of electronic equipment 20 with
Adapter connection (not shown) charges to battery 10 to be electrically connected with external power supply.
Monitoring system 22 is electrically connected with battery 10 and charging circuit 21, is monitored between positive plate 111 and reference electrode 115
The poor second voltage between negative plate 113 and reference electrode 115 of first voltage is poor, and according to first voltage difference and the second electricity
Pressure difference controls charging circuit 21 and charges to battery 10.The positive pin P+ of the connector 12 of the electrical connection battery 10 of monitoring system 22,
Cathode pin P- and reference pin S, is so electrically connected to positive plate 111, negative plate 113 and reference electrode 115.Monitoring system 22
The voltage difference between the positive pin P+ and reference pin S of connector 12 is monitored, i.e., between positive plate 111 and reference electrode 115
First voltage it is poor, obtain the anodic potentials U of battery 10+.Monitoring system 22 monitors between cathode pin P- and reference pin S
Second voltage between voltage difference, i.e. negative plate 113 and reference electrode 115 is poor, obtains the cathode potential U of battery 10-.Monitoring system
System 22 is according to anodic potentials U+With cathode potential U-Obtain cell voltage V=U+-U-, i.e. cell voltage V be equal to first voltage difference and
The difference of second voltage difference.
When battery 10 charges, the charge cutoff voltage of battery 10 is Vmax, such as 4.4V, the current potential of half de- lithium state of anode
For Umax.When cell voltage V is less than charge cutoff voltage Vmax(V<Vmax), and anodic potentials U+Less than half de- lithium state of anode
Current potential Umax(U+<Umax) when, monitoring system 22 controls charging circuit 21 and carries out constant-current charge to battery 10.As cell voltage V etc.
In charge cutoff voltage Vmax(V=Vmax) and/or anodic potentials U+Equal to the current potential U of half de- lithium state of anodemax(U+=Umax)
When, monitoring system 22 controls charging circuit 21 and stops improving voltage, carries out constant-pressure drop electric current charging.
Monitoring system 22 can accurately monitor the anodic potentials U of battery 10 when battery 10 charges+With cathode potential U-, and
Cell voltage V is calculated, monitors the voltage V and anodic potentials U of battery 10+The upper limit, control charging circuit 21 to battery 10
The charging for carrying out different mode, also ensures the stability of positive electrode to ensure battery 10 while fully charged, is conducive to
The safety that battery 10 uses extends battery.
The foregoing is merely the preferred embodiments of the application, not limiting the application, all essences in the application
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of the application protection god.
Claims (10)
1. a kind of battery, it is characterised in that：It includes：
Battery core, including positive plate, the anode ear being electrically connected with the positive plate, the negative plate that separates with the positive plate and institute
The negative electrode lug for stating negative plate electrical connection, the reference electrode separated with the positive plate and the negative plate, and it is electric with the reference
The reference lug of pole connection, the reference electrode includes lithium material；And
Connector is electrically connected with the reference lug.
2. battery as described in claim 1, it is characterised in that：The reference electrode is located at the positive plate and the negative plate
Between, and it is respectively provided with diaphragm between the positive plate and the negative plate.
3. battery as described in claim 1, it is characterised in that：The reference electrode includes lithium metal piece.
4. battery as described in claim 1, it is characterised in that：The reference electrode includes the copper wire of surface plating lithium.
5. battery as described in claim 1, it is characterised in that：The connector includes the anode being electrically connected with the anode ear
Pin, the cathode pin being electrically connected with the negative electrode lug and the reference pin being electrically connected with the reference lug.
6. battery as described in claim 1, it is characterised in that：The battery includes protection circuit plates, and the reference lug is logical
It crosses the protection circuit plates and is electrically connected to the connector.
7. battery as described in claim 1, it is characterised in that：The battery core includes plastic packaging film, the positive plate, the cathode
Piece and the reference electrode plastic packaging are in the plastic packaging film.
8. battery as described in claim 1, it is characterised in that：The battery core includes positive current-collector and negative current-collector, it is described just
Pole piece is attached on the positive current-collector, and the negative plate is attached on the negative current-collector.
9. a kind of electronic equipment, it is characterised in that：It includes：
Battery as described in claim 1-8 is any；
Charging circuit is electrically connected with the battery, is charged to the battery；And
Monitoring system is electrically connected with the battery and the charging circuit, is monitored between the positive plate and the reference electrode
The poor and described negative plate of first voltage and the reference electrode between second voltage it is poor and poor according to the first voltage
The charging circuit is controlled with the second voltage difference to charge to the battery.
10. electronic equipment as claimed in claim 9, it is characterised in that：The electronic equipment includes mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820288460.2U CN207896215U (en) | 2018-03-01 | 2018-03-01 | Battery and electronic equipment including the battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820288460.2U CN207896215U (en) | 2018-03-01 | 2018-03-01 | Battery and electronic equipment including the battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896215U true CN207896215U (en) | 2018-09-21 |
Family
ID=63541765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820288460.2U Active CN207896215U (en) | 2018-03-01 | 2018-03-01 | Battery and electronic equipment including the battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896215U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131026A (en) * | 2019-12-30 | 2021-07-16 | 荣盛盟固利新能源科技有限公司 | Evaluation device and evaluation method for battery health state of hard-shell battery |
| CN113178612A (en) * | 2021-04-27 | 2021-07-27 | Oppo广东移动通信有限公司 | Battery pack, control method thereof and electronic device |
| CN114982040A (en) * | 2020-09-17 | 2022-08-30 | 华为数字能源技术有限公司 | Three-electrode battery and energy storage system |
| WO2023284575A1 (en) * | 2021-07-16 | 2023-01-19 | 华为技术有限公司 | Tab assembly, circuit board, battery cell, battery, electronic device and mobile apparatus |
-
2018
- 2018-03-01 CN CN201820288460.2U patent/CN207896215U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131026A (en) * | 2019-12-30 | 2021-07-16 | 荣盛盟固利新能源科技有限公司 | Evaluation device and evaluation method for battery health state of hard-shell battery |
| CN113131026B (en) * | 2019-12-30 | 2022-09-30 | 荣盛盟固利新能源科技有限公司 | Evaluation device and evaluation method for battery health state of hard-shell battery |
| CN114982040A (en) * | 2020-09-17 | 2022-08-30 | 华为数字能源技术有限公司 | Three-electrode battery and energy storage system |
| CN113178612A (en) * | 2021-04-27 | 2021-07-27 | Oppo广东移动通信有限公司 | Battery pack, control method thereof and electronic device |
| WO2022227821A1 (en) * | 2021-04-27 | 2022-11-03 | Oppo广东移动通信有限公司 | Battery assembly and control method therefor, and electronic device |
| CN113178612B (en) * | 2021-04-27 | 2023-12-15 | Oppo广东移动通信有限公司 | Battery assembly, control method thereof and electronic equipment |
| WO2023284575A1 (en) * | 2021-07-16 | 2023-01-19 | 华为技术有限公司 | Tab assembly, circuit board, battery cell, battery, electronic device and mobile apparatus |
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