CN111969264B - Battery, terminal and method for detecting open circuit of battery - Google Patents
Battery, terminal and method for detecting open circuit of battery Download PDFInfo
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- CN111969264B CN111969264B CN202010800670.7A CN202010800670A CN111969264B CN 111969264 B CN111969264 B CN 111969264B CN 202010800670 A CN202010800670 A CN 202010800670A CN 111969264 B CN111969264 B CN 111969264B
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- 238000000034 method Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 210000004027 cell Anatomy 0.000 claims description 38
- 238000003466 welding Methods 0.000 claims description 6
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 230000001413 cellular effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
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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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The application discloses battery, terminal and battery open circuit detection method, including: the protection board is provided with a control circuit for controlling the battery cell and a detection circuit for detecting; the battery cell comprises a battery cell main body and a lug arranged on the battery cell main body, wherein the lug comprises a positive lug and a negative lug which are connected with the protection plate; wherein, at least one utmost point ear includes main polar part, auxiliary polar part and connecting portion, main polar part with auxiliary polar part passes through connecting portion link to each other, main polar part is connected on the control circuit, main polar part with auxiliary polar part all with detection circuitry links to each other, detection circuitry is used for detecting main polar part with voltage value between the auxiliary polar part. According to the battery of this application embodiment, can detect the connection status between utmost point ear and the protection shield, promote fault detection efficiency and degree of accuracy, the operation such as follow-up maintenance of being convenient for.
Description
Technical Field
The present application relates to the field of battery technologies, and in particular, to a battery, a terminal, and a method for detecting a battery open circuit.
Background
In the related art, the tab is often used as a communicating member between the protection plate and the cell main body. In the use, especially along with charging power is bigger and bigger, and the electric current through utmost point ear is also bigger and bigger, and utmost point ear probably has the condition of disconnection with the protection shield, and the disconnected connection of utmost point ear can directly cause the unable power supply of battery simultaneously to can influence the normal use at terminal. The users mostly think that the terminal is damaged or the battery is damaged, and the fault caused by the disconnection of the lug is difficult to find.
Disclosure of Invention
The application provides a battery to automated inspection utmost point ear and protection shield between the connected state promote fault detection efficiency and degree of accuracy, the operation such as follow-up maintenance of being convenient for.
The application provides a terminal with the battery, so that the terminal can be conveniently detected and maintained.
The application also provides a detection method for the battery open circuit.
A battery according to an embodiment of the present application includes: the protection board is provided with a control circuit for controlling the battery cell and a detection circuit for detecting; the battery cell comprises a battery cell main body and a lug arranged on the battery cell main body, wherein the lug comprises a positive lug and a negative lug which are connected with the protection plate; wherein, at least one utmost point ear includes main polar part, auxiliary polar part and connecting portion, main polar part with auxiliary polar part passes through connecting portion link to each other, main polar part is connected on the control circuit, main polar part with auxiliary polar part all with detection circuitry links to each other, detection circuitry is used for detecting main polar part with voltage value between the auxiliary polar part.
According to the battery of this application embodiment, be provided with detection circuitry on the protection shield, at least one utmost point ear sets up including main pole portion, auxiliary pole portion, and the control circuit on the protection shield is connected in order to accomplish normal electric core power supply operation to main pole portion, and main pole portion and auxiliary pole portion all link to each other with detection circuitry, and detection circuitry can detect the voltage difference between main pole portion and the auxiliary pole portion like this. Therefore, the connection state between the lug and the protection plate can be judged through the voltage value, so that the fault detection efficiency and accuracy are improved, and subsequent maintenance and other operations are facilitated.
A terminal according to an embodiment of the present application includes a battery as described in any of the above embodiments of the present application.
According to the terminal of this application embodiment, through setting up above-mentioned battery, at least one utmost point ear of this battery includes main pole portion, auxiliary pole portion, and the main pole portion is used for accomplishing normal electric core power supply operation, and main pole portion and auxiliary pole portion all link to each other with detection circuitry, and detection circuitry can detect the voltage difference between main pole portion and the auxiliary pole portion like this. Therefore, the connection state between the lug and the protection plate can be judged through the voltage value, so that the fault detection efficiency and the detection accuracy of the terminal are improved, and subsequent maintenance and other operations are facilitated.
According to the method for detecting disconnection of a battery of the present application, the battery is the battery of any one of the above embodiments of the present application, and whether the main pole portion is disconnected or not is determined by the voltage value detected by the detection circuit.
According to the detection method for the open circuit of the battery, whether the tab is open circuit or not is judged according to the voltage value detected by the detection circuit, and the connection condition between the tab and the protection plate can be accurately known, so that the fault detection efficiency and the detection accuracy of the battery are improved, and subsequent maintenance and other operations are facilitated.
Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.
Drawings
Fig. 1 is a schematic structural diagram of a battery according to an embodiment of the present application (where the battery includes one cell);
fig. 2 is a schematic structural view of a tab in one embodiment of the present application;
fig. 3 is a schematic structural diagram of a tab in an embodiment of the present application (in which a region for measuring voltage is shown in a shaded portion);
fig. 4 is a schematic structural diagram of a battery according to an embodiment of the present application (where the battery includes a plurality of battery cells).
Reference numerals:
a battery 100,
A protective plate 1,
An external connector 3 and a connecting port 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It should be noted that the terminal mentioned herein may be a mobile phone, a game device, a music playing device, an AR (Augmented Reality) device, or the like. Further, a "terminal," as used herein, also includes, but is not limited to, a device configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communications electronics). Communication terminals that are arranged to communicate over a wireless interface may be referred to as "wireless communication devices," wireless devices, "and/or" mobile devices. Examples of mobile devices include, but are not limited to, satellite or cellular telephones; personal Communications System (PCS) devices that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other terminals including radiotelephone transceivers.
A battery 100 according to an embodiment of the present application is described below with reference to fig. 1 to 4.
The battery 100 according to the embodiment of the present application, as shown in fig. 1, includes: protection plate 1 and electric core 2. And a control circuit for controlling the battery cell 2 and a detection circuit for detecting are arranged on the protection plate 1. The battery cell 2 comprises a battery cell main body 21 and a tab 22 arranged on the battery cell main body 21, wherein the tab 22 comprises a positive tab 221 and a negative tab 222 connected with the protective plate 1. Wherein, at least one utmost point ear 22 includes main pole portion 223, auxiliary pole portion 224 and connecting portion 225, and main pole portion 223 passes through connecting portion 225 with auxiliary pole portion 224 and links to each other, and main pole portion 223 is connected on the control circuit, and main pole portion 223 and auxiliary pole portion 224 all link to each other with detection circuitry, and detection circuitry is used for detecting the voltage value between main pole portion 223 and auxiliary pole portion 224.
It can be understood that the battery cell main body 21 is a provider of energy, the protection plate 1 can manage the charging and discharging functions of the battery cell main body 21 through the control circuit, the realization of the functions of collecting the state quantity of the battery 100, such as electric quantity, current, voltage and temperature, and the like, and secondly, the protection function of the battery cell main body 21 in the use process, such as short circuit, battery balance management and the like, can be realized, and the protection plate 1 can also be used as a connecting bridge between the battery cell main body 21 and a terminal system, so that a current access window is realized.
The tabs 22 are arranged to communicate the cell main body 21 with the protection plate 1, so that the protection plate 1 can manage the cell main body 21 through a control circuit. Here, the cell main body 21 is connected to the protective plate 1 via the positive electrode tab 221 and the negative electrode tab 222, so that power can be supplied to the terminal conveniently.
In the related art, if the tab is disconnected from the protection plate, the battery cannot be powered directly, thereby affecting the use of the terminal. For the user, the terminal or the battery is damaged, and the actual tab disconnection is difficult to find.
In particular, the charging power used by the terminals is increasing and thus the current through the tabs is also increasing. For example, when the charging voltage exceeds 65W and even exceeds 100W, the current passing through the battery is greater than 10A, so that the probability of the tab disconnection is greatly increased.
In the battery 100 of the embodiment of the present application, at least one tab 22 includes a main pole portion 223, a sub-pole portion 224, and a connecting portion 225. The main pole portion 223 and the auxiliary pole portion 224 are connected through a connecting portion 225, the main pole portion 223 is connected to a control circuit, and both the main pole portion 223 and the auxiliary pole portion 224 are connected to a detection circuit, so that the detection circuit can detect the voltage value between the main pole portion 223 and the auxiliary pole portion 224.
Therefore, the connection state of the tab 22 can be fed back in real time through the voltage value, for example, when the voltage is 0 or the voltage is less than or equal to V0 and the voltage is less than or equal to V0 is less than or equal to 0.01mV, the tab 22 is judged to be well connected with the protection plate 1, otherwise, the connection between the tab 22 and the protection plate 1 is judged to be a problem or disconnected.
The control circuit is a known circuit on the protection board in the prior art, and the control circuit is not described in detail here. In the solution of the present application, the detection circuit may adopt a circuit structure capable of detecting a voltage value known in the art, and the structure of the detection circuit is not particularly limited herein.
According to the battery 100 of the embodiment of the present application, by including the main pole portion 223 and the auxiliary pole portion 224 in at least one tab 22 and connecting the main pole portion 223 to the control circuit, the main pole portion 223 and the auxiliary pole portion 224 are both connected to the detection circuit, so that the detection circuit can detect the voltage value between the main pole portion 223 and the auxiliary pole portion 224. Therefore, the connection state between the tab 22 and the protection plate 1 can be judged through the voltage value, so that the fault detection efficiency and accuracy are improved, and subsequent maintenance and other operations are facilitated.
In some embodiments, as shown in fig. 1, the connection portion 225 is located within the cell body 21. In this way, the connection portion 225 can be reliably connected to the cell main body 21, and the reliability of power supply to the cell main body 21 is improved.
It is to be understood that throughout the description of the present application, the terms "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In some embodiments, a portion of the connection portion 225 is exposed out of the cell main body 21. The intensity of being convenient for promote utmost point ear like this, be convenient for promote the life of utmost point ear.
In some embodiments, as shown in fig. 1, the main pole part 223 and the auxiliary pole part 224 are both connected to the protection plate 1 by welding. It can be understood that the welding has the advantages of good connection performance, large welding structure strength, good integrity and the like, and therefore the main pole part 223 and the auxiliary pole part 224 are both connected to the protection plate 1 through welding, so that the connection reliability between the main pole part 223 and the protection plate 1 can be improved, and the connection reliability between the auxiliary pole part 224 and the protection plate 1 can also be improved, thereby improving the working reliability of the battery 100, and reducing the situation that the battery 100 cannot supply power due to the disconnection between the tab 22 and the protection plate 1.
Of course, in other embodiments, the main pole portion 223 and the auxiliary pole portion 224 may be connected to the protection plate 1 by a fixing member such as a bolt, and the connection form between the main pole portion 223 and the protection plate 1 and between the auxiliary pole portion 224 and the protection plate 1 is not particularly limited.
In some embodiments, as shown in fig. 2, the tab 22 is a plate having a notch 226, and the plate is divided into a main pole portion 223 and a sub-pole portion 224 by the notch 226. It will be appreciated that by the provision of the notches 226 it is convenient to divide the sheet into a main pole portion 223 and a subsidiary pole portion 224, thereby facilitating effective communication between the main pole portion 223 and the subsidiary pole portion 224 and the detection circuitry.
Specifically, as shown in fig. 2, the plate may be a rectangular plate and the notch 226 may be a rectangular opening. Thus, the processing is convenient, the production efficiency can be improved, and the batch production is facilitated. In addition, the connection area between the plate and the protection plate 1 is increased, and the connection strength between the plate and the protection plate 1 is improved.
Further, as shown in fig. 3, the regions where the detection circuit measures the voltage are the surface having the largest area of the main pole portion 223 and the surface having the largest area of the sub pole portion 224, respectively.
Of course, in other embodiments, the plate may also be a trapezoid plate, a special-shaped plate, and the like, and the notch 226 may also be a trapezoid opening, a zigzag opening, and the like, and the form of the plate and the notch 226 is not limited herein.
In some embodiments, as shown in fig. 1 and 4, all tabs 22 on the battery cell 2 include a main pole portion 223, an auxiliary pole portion 224, and a connection portion 225, and the detection circuit is configured to detect a voltage value between the main pole portion 223 and the auxiliary pole portion 224 on each tab 22. This can improve the detection accuracy of the detection circuit, and thus can more accurately know the connection condition between the tab 22 and the protection plate 1.
Specifically, as shown in fig. 4, the battery cell 2 is plural, and the plural battery cells 2 are connected to the protective plate 1 through tabs 22. It can be understood that the arrangement of the plurality of battery cells 2 facilitates the battery 100 to provide a larger capacity of energy for the terminal, so as to improve the standby capability or endurance capability of the terminal, and the like. In addition, when a problem occurs in a terminal or the like, it is also possible to perform detection of the connection condition between the tab 22 in each of the cells 2 and the protective plate 1, thereby quickly locking the cells 2 in which the tab 22 is in the disconnected state.
A battery 100 in one specific example of the embodiment of the present application is described below with reference to fig. 1.
The battery 100 according to the embodiment of the present application includes: protection plate 1 and electric core 2.
The protection board 1 is provided with a control circuit for controlling the battery cell 2 and a detection circuit for detecting.
The battery cell 2 comprises a battery cell main body 21 and a tab 22 arranged on the battery cell main body 21, wherein the tab 22 comprises a positive tab 221 and a negative tab 222 connected with the protective plate 1. Each tab 22 includes a main pole portion 223, a sub-pole portion 224, and a connecting portion 225, the main pole portion 223 and the sub-pole portion 224 are connected through the connecting portion 225, the main pole portion 223 is connected to the control circuit, and the main pole portion 223 and the sub-pole portion 224 are connected to the detection circuit.
Each tab 22 is a rectangular sheet having a rectangular opening through which the rectangular sheet is divided into a main pole portion 223 and a sub-pole portion 224. Both the main pole portion 223 and the auxiliary pole portion 224 are connected to the protection plate 1 by welding, and a part of the connection portion 225 is exposed from the cell main body 21. The detection circuit is used for detecting the voltage value between the main pole part 223 and the auxiliary pole part 224 on each tab 22.
A terminal according to an embodiment of the present application is described below with reference to the accompanying drawings.
A terminal according to an embodiment of the present application includes the battery 100 according to any one of the above-described embodiments of the present application.
According to the terminal of the embodiment of the present application, by including the main pole portion 223 and the auxiliary pole portion 224 in at least one tab 22 and connecting the main pole portion 223 to the control circuit, the main pole portion 223 and the auxiliary pole portion 224 are both connected to the detection circuit, so that the detection circuit can detect the voltage difference between the main pole portion 223 and the auxiliary pole portion 224. Therefore, the connection state between the tab 22 and the protection plate 1 can be judged through the voltage value, so that the fault detection efficiency and the detection accuracy of the terminal are improved, and subsequent maintenance and other operations are facilitated.
In some embodiments, the battery 100 further includes an external connector 3, and the protection board 1 is externally connected to a connection port 4 through the external connector 3 to be connected to a control system of the terminal. Therefore, real-time energy supply for the terminal can be facilitated.
A method of detecting a disconnection of battery 100 according to an embodiment of the present application is described below with reference to the drawings.
According to the method for detecting the open circuit of the battery 100 of the present application, the battery 100 is the battery 100 according to any one of the above embodiments of the present application, and whether the main pole portion 223 is open circuit is determined by the voltage value detected by the detection circuit.
According to the detection method for the open circuit of the battery 100, whether the tab 22 is open circuit or not is judged through the voltage value detected by the detection circuit, and the connection condition between the tab and the protection plate 1 can be accurately known, so that the fault detection efficiency and the detection accuracy of the battery 100 are improved, and subsequent maintenance and other operations are facilitated.
Other configurations of the terminal according to the embodiments of the present application, such as a control system and the like, and operations are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the embodiments of the application, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A battery, comprising:
the protection board is provided with a control circuit for controlling the battery cell and a detection circuit for detecting;
the battery cell comprises a battery cell main body and a lug arranged on the battery cell main body, wherein the lug comprises a positive lug and a negative lug which are connected with the protection plate; wherein,
the at least one tab comprises a main pole part, an auxiliary pole part and a connecting part, the main pole part is connected with the auxiliary pole part through the connecting part, the main pole part is connected with the control circuit, the main pole part and the auxiliary pole part are both connected with the detection circuit, and the detection circuit is used for detecting a voltage value between the main pole part and the auxiliary pole part;
all on the electric core utmost point ear all include main polar portion, auxiliary pole portion and connecting portion, detection circuitry is used for detecting every on the utmost point ear main polar portion with the voltage value between the auxiliary pole portion.
2. The battery according to claim 1, wherein the tab is a plate having a notch, the plate being divided into the main pole portion and the sub-pole portion by the notch.
3. The battery of claim 2, wherein the plate is a rectangular plate and the recess is a rectangular opening.
4. The battery of claim 1, wherein the connection portion is located within the cell body.
5. The battery of claim 1, wherein a portion of the connection portion is exposed out of the cell body.
6. The battery according to claim 1, wherein the main pole part and the sub-pole part are each connected to the protection plate by welding.
7. The battery of claim 1, wherein the battery core is multiple, and the multiple battery cores are connected to the protection plate through the tabs.
8. A terminal, characterized in that it comprises a battery according to any one of claims 1-7.
9. A method for detecting disconnection of a battery, wherein the battery is the battery according to any one of claims 1 to 7, and whether the main pole portion is disconnected or not is determined by a voltage value detected by the detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800670.7A CN111969264B (en) | 2020-08-11 | 2020-08-11 | Battery, terminal and method for detecting open circuit of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800670.7A CN111969264B (en) | 2020-08-11 | 2020-08-11 | Battery, terminal and method for detecting open circuit of battery |
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| CN111969264A CN111969264A (en) | 2020-11-20 |
| CN111969264B true CN111969264B (en) | 2022-03-15 |
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| CN111969264A (en) | 2020-11-20 |
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