CN209184270U - It is a kind of with the cellular li-ion battery for preventing from overcharging - Google Patents
It is a kind of with the cellular li-ion battery for preventing from overcharging Download PDFInfo
- Publication number
- CN209184270U CN209184270U CN201821913487.2U CN201821913487U CN209184270U CN 209184270 U CN209184270 U CN 209184270U CN 201821913487 U CN201821913487 U CN 201821913487U CN 209184270 U CN209184270 U CN 209184270U
- Authority
- CN
- China
- Prior art keywords
- output end
- battery
- pole
- cellular
- positive plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of with the cellular li-ion battery for preventing from overcharging, including battery main body, battery case is provided on the outside of the battery main body, middle position inside the battery case is provided with pole, side at the top of the battery case is provided with pressure valve, the side of the close pole of the pressure valve is provided with positive terminal, and the both ends of place pole are all provided with positive plate, and the positive plate is all provided with circuit board far from the side of pole.The utility model controls current detecting, temperature detection and voltage detecting by power management chip and detects to the electricity of the battery to charge, temperature and voltage, and the result that will test imports in data analytical calculation, when temperature is than or equal to 60 DEG C, directly stop charging, and when the cell voltage to charge is greater than or equal to 4.2V, so that battery is stopped charging, to reduce bring risk in charging process, and avoids battery capacity decline problem.
Description
Technical field
It is specially a kind of with the cellular li-ion battery for preventing from overcharging the utility model relates to technical field of lithium batteries.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that " lithium battery ", which is a kind of, by
It is very active in the chemical characteristic of lithium metal, so that the processing of lithium metal, preservation, use, very high to environmental requirement, and with
The development of science and technology, present lithium battery have become mainstream, such as: cellular li-ion battery.
However existing cellular li-ion battery is easy to produce side effect after lithium cell core, which is crossed, is charged to voltage higher than 4.2V, and
Overcharged voltage is higher, and risk is also followed higher, and remaining lithium atom quantity is not after the high 4.2V of lithium cell voltage, in positive electrode
To half, memory location can often collapse at this time, allow battery capacity to generate permanent decline, if continuing to charge, due to cathode
Memory location has been already filled with lithium atom, and subsequent lithium metal can be piled up in negative electrode material surface, these lithium atoms can be by cathode table
Face grows ingotism toward the direction that lithium ion comes, and the crystallization of these lithium metals can keep positive and negative anodes short-circuit, have across diaphragm paper
When short circuit occur before battery just first explode, to reduce the security performance of cellular li-ion battery, reduce cellular li-ion battery
Service life.
Utility model content
The purpose of this utility model is to provide a kind of with the cellular li-ion battery for preventing from overcharging, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of with the mobile phone lithium electricity for preventing from overcharging
Pond, including battery main body are provided with battery case on the outside of the battery main body, the middle position setting inside the battery case
There is pole, the side at the top of the battery case is provided with pressure valve, and the side of the close pole of the pressure valve is provided with anode
End, the both ends of place pole are all provided with positive plate, and the positive plate is all provided with circuit board, the electricity far from the side of pole
Road plate is equipped with power management chip close to one end of positive plate, and the circuit board is provided with cathode far from the side of positive plate,
The cathode is provided with negative plate at the top of circuit board one end.
Preferably, the output end of the power management chip is electrically connected with current detecting, the power management chip
Output end is electrically connected with temperature detection, and the output end of the power management chip is electrically connected with voltage detecting, and voltage
The output end of detection is electrically connected with data analytical calculation, and the output end of the power management chip and the output end of positive plate are double
Electrotropism connection.
Preferably, input of the output end of the voltage detecting, temperature detection and current detecting all with data analytical calculation
End is electrically connected, and the output end of the data analytical calculation and the input terminal of power management chip are electrically connected.
Preferably, the output end of the power management chip and the two-way electric connection of the output end of negative plate, the anode
The output end of plate and the two-way electric connection of the output end of negative plate.
Preferably, the output end of the positive plate is electrically connected with pole, and the output end of pole and the two-way electricity of positive plate
Property connection.
Preferably, the negative plate uses lithium metal or lithium alloy, and the positive plate uses cobalt acid lithium.
Preferably, the bottom of the positive terminal is connected to the top of pole.
Preferably, the battery main body is in rectangular parallelepiped structure.
Compared with prior art, the utility model has the beneficial effects that the utility model is controlled by power management chip
Current detecting, temperature detection and voltage detecting detect the electricity of the battery to charge, temperature and voltage, and will test
Result import in data analytical calculation, when temperature is than or equal to 60 DEG C, directly stop charging, and the electricity that ought be being charged
When cell voltage is greater than or equal to 4.2V, battery is directly made to stop charging, so that bring risk in charging process is reduced, and
Battery capacity decline problem is avoided, by control voltage, electricity and temperature, generation lithium metal knot is avoided and causes short circuit existing
As improving the service life of cellular li-ion battery to improve the security performance of cellular li-ion battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the system flow chart of the utility model circuit board；
Fig. 3 is the work flow diagram of the utility model；
Fig. 4 is the working principle flow chart of the utility model.
In figure: 1, battery main body；2, battery case；3, pressure valve；4, pole；5, positive plate；6, circuit board；7, power management
Chip；8, negative plate；9, cathode；10, positive terminal.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: it is a kind of with the cellular li-ion battery for preventing from overcharging,
Including battery main body 1, the outside of battery main body 1 is provided with battery case 2, and the middle position inside battery case 2 is provided with pole
4, the side at 2 top of battery case is provided with pressure valve 3, and the side of the close pole 4 of pressure valve 3 is provided with positive terminal 10, place
The both ends of pole 4 are all provided with positive plate 5, and side of the positive plate 5 far from pole 4 is all provided with circuit board 6, and circuit board 6 is close
One end of positive plate 5 is equipped with power management chip 7, and circuit board 6 is provided with cathode 9 far from the side of positive plate 5, and cathode 9 leans on
Negative plate 8 is provided at the top of nearly 6 one end of circuit board.
The utility model imports the inside of battery main body 1 by electric energy from positive terminal 10, and converts electrical energy into lithium ion,
And lithium ion is detached from positive plate 5 and enters negative plate 8, when electric discharge, lithium ion is detached from from negative plate 8 enters positive plate 5, and by lithium from
Son is converted to electric energy, and then electric energy is exported from positive terminal 10, to complete the process being charged and discharged, and passes through power management core
Piece 7 detects battery main body 1, prevents cellular li-ion battery to overcharge to preferably avoid.
Attached drawing 3 please be considered and examined emphatically, the output end of power management chip 7 is electrically connected with current detecting, power management chip 7
Output end be electrically connected with temperature detection, the output end of power management chip 7 is electrically connected with voltage detecting, and voltage is examined
The output end of survey is electrically connected with data analytical calculation, and the output end of the output end and positive plate 5 of power management chip 7 is two-way
It is electrically connected.
This kind has the current detecting, temperature detection and the voltage detecting that prevent the cellular li-ion battery overcharged by setting, together
When to battery main body 1 carry out voltage, the detection of temperature and electricity, when the temperature of battery main body 1, voltage and electricity be not all exceeded
In the case where, it is lasting to charge, to preferably prevent battery main body 1 from overcharging, the security performance of battery main body 1 is improved, and mention
The high service life of battery main body 1.
Please consider and examine attached drawing 3 and 4 emphatically, the output end of voltage detecting, temperature detection and current detecting all with data analysis meter
The input terminal of calculation is electrically connected, and the output end of data analytical calculation and the input terminal of power management chip 7 are electrically connected.
This kind, which has, prevents the cellular li-ion battery overcharged by voltage detecting, temperature detection and current detecting simultaneously to battery
The detection of the progress voltage, temperature and electric current of main body 1 charges normal battery main body 1 in the case that three all meets.
Attached drawing 1 and 3 please be considered and examined emphatically, the output end of power management chip 7 connects with the two-way electrical property of output end of negative plate 8
It connects, the two-way electric connection of output end of the output end and negative plate 8 of positive plate 5.
This kind, which has, prevents the cellular li-ion battery overcharged by negative plate 8 and positive plate 5, and when charging, lithium ion is detached from
Positive plate 5 enters negative plate 8, and when electric discharge, lithium ion is detached from from negative plate 8 enters positive plate 5, and lithium ion is converted to electricity
Can, to complete the process being charged and discharged.
Attached drawing 1 please be considered and examined emphatically, and the output end of positive plate 5 is electrically connected with pole 4, and the output end of pole 4 and anode
The two-way electric connection of plate 5, negative plate 8 use lithium metal or lithium alloy, positive plate 5 use cobalt acid lithium, the bottom of positive terminal 10 with
The top of pole 4 is connected to, and battery main body 1 is in rectangular parallelepiped structure.
This kind, which has, prevents the cellular li-ion battery overcharged from using lithium metal or lithium alloy by negative plate 8, and positive plate 5 is adopted
The use of battery main body 1 is imitated so that the inside of battery main body 1 is preferably converted and be stored in electric energy with cobalt acid lithium
Fruit is more preferable.
Working principle: when charging, electric energy from positive terminal 10 import battery main body 1 inside, and convert electrical energy into lithium from
Son, and lithium ion is detached from positive plate 5 and enters negative plate 8, when electric discharge, lithium ion is detached from from negative plate 8 enters positive plate 5, and will
Lithium ion is converted to electric energy, and then electric energy is exported from positive terminal 10, to complete the process being charged and discharged, and in the mistake of charging
Cheng Zhong, voltage detecting, temperature detection and current detecting simultaneously to battery main body 1 carry out voltage, the detection of temperature and electricity, simultaneously
The voltage that will test, temperature and electricity import in data analytical calculation, and alignment carries out analysis and the result of analysis is imported electricity
Source control chip 7, during charging when the temperature of battery main body 1 is greater than or equal to 60 DEG C, power management chip 7 is controlled
Battery main body 1 stops charging, and temperature during charging of battery main body 1 rises no more than 30 DEG C, otherwise stops charging,
When cell voltage reaches 4.2V, power management chip 7 controls battery main body 1 and stops charging, the electricity inside battery main body 1
When reaching 100%, stop charging, and when temperature, voltage and the electricity of battery main body 1 are all without persistently filling in the case where exceeded
Electricity improves the security performance of battery main body 1 to preferably prevent battery main body 1 from overcharging, and improves battery main body 1
Service life.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (8)
1. a kind of with the cellular li-ion battery for preventing from overcharging, including battery main body (1), it is characterised in that: the battery main body (1)
Outside be provided with battery case (2), the internal middle position of the battery case (2) is provided with pole (4), the battery case
(2) side at the top of is provided with pressure valve (3), and the side of the close pole (4) of the pressure valve (3) is provided with positive terminal
(10), the both ends of place pole (4) are all provided with positive plate (5), and the positive plate (5) is all arranged far from the side of pole (4)
Have circuit board (6), the circuit board (6) is equipped with power management chip (7), the circuit board close to the one end of positive plate (5)
(6) side far from positive plate (5) is provided with cathode (9), and the cathode (9) is provided at the top of circuit board (6) one end
Negative plate (8).
2. according to claim 1 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the power management
The output end of chip (7) is electrically connected with current detecting, and the output end of the power management chip (7) is electrically connected with temperature inspection
It surveys, the output end of the power management chip (7) is electrically connected with voltage detecting, and the output end of voltage detecting is electrically connected
There are data analytical calculation, the output end of the power management chip (7) and the two-way electric connection of output end of positive plate (5).
3. according to claim 2 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the voltage inspection
The output end of survey, temperature detection and current detecting is all electrically connected with the input terminal of data analytical calculation, the data analysis meter
The output end of calculation and the input terminal of power management chip (7) are electrically connected.
4. according to claim 2 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the power management
The output end of chip (7) and the two-way electric connection of output end of negative plate (8), the output end and negative plate of the positive plate (5)
(8) the two-way electric connection of output end.
5. according to claim 1 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the positive plate
(5) output end is electrically connected with pole (4), and the output end of pole (4) and positive plate (5) two-way electric connection.
6. according to claim 1 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the negative plate
(8) lithium metal or lithium alloy are used, the positive plate (5) uses cobalt acid lithium.
7. according to claim 1 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the positive terminal
(10) bottom is connected to the top of pole (4).
8. according to claim 1 a kind of with the cellular li-ion battery for preventing from overcharging, it is characterised in that: the battery main body
It (1) is in rectangular parallelepiped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913487.2U CN209184270U (en) | 2018-11-20 | 2018-11-20 | It is a kind of with the cellular li-ion battery for preventing from overcharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913487.2U CN209184270U (en) | 2018-11-20 | 2018-11-20 | It is a kind of with the cellular li-ion battery for preventing from overcharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209184270U true CN209184270U (en) | 2019-07-30 |
Family
ID=67373472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821913487.2U Active CN209184270U (en) | 2018-11-20 | 2018-11-20 | It is a kind of with the cellular li-ion battery for preventing from overcharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209184270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391008A (en) * | 2018-11-20 | 2019-02-26 | 漳州高新区远见产业技术研究有限公司 | It is a kind of with the cellular li-ion battery for preventing from overcharging |
-
2018
- 2018-11-20 CN CN201821913487.2U patent/CN209184270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391008A (en) * | 2018-11-20 | 2019-02-26 | 漳州高新区远见产业技术研究有限公司 | It is a kind of with the cellular li-ion battery for preventing from overcharging |
| CN109391008B (en) * | 2018-11-20 | 2024-12-31 | 漳州高新区远见产业技术研究有限公司 | A mobile phone lithium battery with overcharge prevention function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107978790B (en) | Method and device for supplementing lithium to battery | |
| CN102593510B (en) | A kind of electrolyte and lithium ion battery | |
| CN109560245A (en) | Symmetrical cells and preparation method thereof | |
| CN114497464B (en) | A kind of lithium-ion battery positive electrode pulse pre-lithiation method and lithium-ion battery | |
| CN209184270U (en) | It is a kind of with the cellular li-ion battery for preventing from overcharging | |
| CN204966611U (en) | 1. 5V constant voltage lithium ion battery | |
| CN110061299A (en) | A kind of method of lithium ion cell electrode pre- embedding lithium in situ | |
| CN112526357B (en) | Lithium ion battery power matching performance evaluation method | |
| CN102520363A (en) | Low-temperature performance evaluation method of lithium ion battery | |
| CN208706787U (en) | A kind of column lithium ion battery | |
| CN109391008A (en) | It is a kind of with the cellular li-ion battery for preventing from overcharging | |
| CN100382378C (en) | Lithium-ion secondary battery | |
| CN103560276A (en) | Reactive polymer electrolyte and water-based lithium ion battery membrane electrode assembly thereof | |
| CN114792853A (en) | Low-temperature lithium ion battery formation method and ultra-low-temperature lithium ion battery | |
| CN208368644U (en) | A kind of lithium battery device of high-efficiency | |
| CN208224459U (en) | A kind of detection device of lead-acid accumulator health status | |
| CN207883808U (en) | A kind of high multiplying power lithium ion battery | |
| CN100397699C (en) | A lithium ion secondary battery | |
| CN217849011U (en) | Intelligent charging system capable of automatically compensating load effect | |
| CN109346722A (en) | A kind of novel chargeable lithium manganate battery | |
| CN204947660U (en) | Lithium battery group state monitoring device | |
| CN110518288A (en) | A kind of high-temp. high-pressure electrolysis liquid matching nickelic positive electrode lithium ion battery | |
| CN218415860U (en) | Lithium battery charging management system | |
| CN209461563U (en) | A kind of anti-short-circuit test of Bluetooth battery or charging panel | |
| CN110676512B (en) | Electrolyte for inhibiting growth of lithium dendrite and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |