CN201910466U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN201910466U CN201910466U CN2010206982504U CN201020698250U CN201910466U CN 201910466 U CN201910466 U CN 201910466U CN 2010206982504 U CN2010206982504 U CN 2010206982504U CN 201020698250 U CN201020698250 U CN 201020698250U CN 201910466 U CN201910466 U CN 201910466U
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- CN
- China
- Prior art keywords
- electric core
- protective circuit
- circuit plate
- lithium ion
- ion battery
- 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.)
- Expired - Fee Related
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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
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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
- 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 utility model discloses a lithium ion battery, which comprises a battery cell and a protection circuit board (2). An anode (1.1) and a cathode (1.2) of the battery cell are respectively positioned at two ends of the battery cell (1), the protection circuit board (2) includes an anode charging port (2.1), a cathode charging port (2.2), an anode discharging port (2.3) and a cathode discharging port (2.4), the anode charging port (2.1) is connected with the anode (1.1) of the battery cell (1), the cathode charging port (2.2) is connected with the cathode (1.2) of the battery cell (1), the anode discharging port (2.3) is connected with an anode of a load, the cathode discharging port (2.4) is connected with a cathode of the load, the protection circuit board (2) is arranged at one end of the battery cell (1), and an insulating backing (3) is disposed between the protection circuit board (2) and the anode (1.1) or the cathode (1.2) of the battery cell. The lithium ion battery is compact in structure, high in assembly efficiency, difficult in pseudo soldering and convenient for assembling and disassembling loads.
Description
Technical field
The utility model relates to a kind of lithium ion battery.
Background technology
In recent years, along with continuous progress in science and technology and development, increasing portable type electronic product such as mobile phone, notebook computer, personal digital assistant, Video Camera etc. are popularized gradually, for people's routine work and life offers convenience.Because these products all develop towards wireless penetration, portability direction, its power supply also strides forward toward light, thin, short, little target, and is therefore quite urgent for the secondary cell demand that volume is little, in light weight, energy density is high.
Small-sized secondary batteries comprises nickel-cadmium cell, Ni-MH battery and secondary lithium battery.Preventing under the environmental protection demand of cadmium pollution that nickel-cadmium cell slowly is substituted and has become trend.Though Ni-MH battery does not have the environmental protection problem, but exist energy density low, shortcomings such as hot properties difference and a little memory effect on the 3G product is used, are replaced by lithium ion battery gradually.Advantage such as secondary lithium battery has the operating voltage height, energy density is big, in light weight, the life-span is long and the feature of environmental protection is good, be widely used on the portable electronic product at present, comprise mobile computer, personal digital assistant, mobile phone, Video Camera, digital camera, mini CD-ROM drive, Handy Terminal and game machine or the like, on electric tool, electric bicycle, electric automobile, also obtained application at present.
See also shown in Figure 1ly, lithium ion battery comprises electric core 1 ', protective circuit plate 2 ' and shell 3 '.Described protective circuit plate 2 ' is used for lithium ion battery is carried out additives for overcharge protection, over, overcurrent and short-circuit protection etc.The two ends that the positive pole 1.1 ' of described electric core 1 ' and negative pole 1.2 ' lay respectively at described electric core 1 '; described protective circuit plate 2 ' comprises anodal charging port 2.1 ', negative pole charging port 2.2 ', positive discharge port 2.3 ' and negative discharge port 2.4 ', and in fact described anodal charging port 2.1 ' is same port with described positive discharge port 2.3 '.Described anodal charging port 2.1 ' and negative pole charging port 2.2 ' are connected on the positive pole 1.1 ' and negative pole 1.2 ' of described electric core 1 ' accordingly, and described positive discharge port 2.3 ' and negative discharge port 2.4 ' are connected on the positive pole and negative pole of described load accordingly.The protective circuit plate 2 ' of the lithium ion battery of prior art generally is positioned on the sidewall of described electric core 1 ', therefore makes that the volume ratio of lithium ion battery is bigger, and structure is compact inadequately.In addition; because protective circuit plate 2 ' is positioned on the sidewall of described electric core 1 '; two discharge ports of described protective circuit plate 2 ' need could be connected with the both positive and negative polarity of load by drawing two lead-in wires 2.5 '; and go between 2.5 ' and two of protective circuit plate 2 ' discharge ports between need weld by soldering; packaging efficiency is low, occur the rosin joint phenomenon easily, and the loading and unloading between lead-in wire and the load are also very inconvenient.
The utility model content
The technical problems to be solved in the utility model is, a kind of compact conformation, packaging efficiency height are provided, be not prone to rosin joint and with load handler lithium ion battery easily.
Technical solution of the present utility model is; a kind of lithium ion battery with following structure is provided; comprise electric core and protective circuit plate; the positive pole of described electric core and negative pole lay respectively at the two ends of described electric core; described protective circuit plate comprises and the anodal anodal charging port that is connected of electric core; the negative pole charging port that is connected with electric core negative pole; reach the negative discharge port that is connected with the load negative pole with the anodal positive discharge port that is connected of load; described protective circuit plate is located at an end of described electric core, is provided with the insulating surfaces pad between described protective circuit plate and the electric core negative or positive electrode.
After adopting above structure, the utility model lithium ion battery compared with prior art has the following advantages:
Because the protective circuit plate of the utility model lithium ion battery is located at an end of described electric core, described protective circuit plate is placed on the end of electric core, can reduce the volume of lithium ion battery, make the lithium ion battery structure compactness.Owing to be provided with the insulating surfaces pad between described protective circuit plate and the electric core negative or positive electrode, make circuit and electric core negative or positive electrode on the circuit board isolated, can guarantee protective circuit plate operate as normal.
As a kind of improvement of the present utility model, described protective circuit plate is provided with at described electric core between the negative pole of the end of negative pole and this protective circuit plate and described electric core and is provided with the insulating surfaces pad, and the outer face of described protective circuit plate is the negative discharge port.Because the outer face of described protective circuit plate is the negative discharge port; and the anodal charging port of protective circuit plate is that same port and this port are connected with electric core is anodal with the positive discharge port; thereby the positive pole of an end of electric core is the equal of the positive discharge port of protective circuit plate at this moment; the outer face of the protective circuit plate of the other end of electricity core is the negative discharge port; need not on the discharge port of protective circuit plate, to draw lead-in wire; as long as lithium ion battery of the present utility model is plugged in the battery case of load; just can be connected with the both positive and negative polarity of load; thereby make lithium ion battery packaging efficiency height; be not easy to occur the rosin joint phenomenon, and the loading and unloading between lithium ion battery and the load are also very convenient.
As another kind of improvement the of the present utility model, described electric core is provided with anodal end and is provided with conductive cover plate, and described conductive cover plate is connected with described electric core is anodal.Described conductive cover plate can protect the anodal and electric core of electric core anodal with the protective circuit plate between circuit be connected.
Description of drawings
Fig. 1 is the structural representation of the lithium ion battery of prior art.
Fig. 2 is the blast structural representation of the utility model lithium ion battery.
Fig. 3 is the structural representation of the utility model lithium ion battery.
Shown in the figure:
Prior art: 1 ', electric core, 1.1 ', positive pole, 1.2 ', negative pole, 2 ', the protective circuit plate, 2.1 ', anodal charging port, 2.2 ', the negative pole charging port, 2.3 ', the positive discharge port, 2.4 ', the negative discharge port, 2.5 ', lead-in wire, 3 ', shell;
The utility model: 1, electric core, 1.1, positive pole, 1.2, negative pole, 2, the protective circuit plate, 2.1, anodal charging port, 2.2, the negative pole charging port, 2.3, the positive discharge port, 2.4, the negative discharge port, 3, the insulating surfaces pad, 4, conductive cover plate.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please join Fig. 2 and shown in Figure 3, the utility model lithium ion battery comprises electric core 1 and protective circuit plate 2, and in this specific embodiment, described electric core 1 is a column type.The positive pole 1.1 of described electric core 1 and negative pole 1.2 lay respectively at the two ends of described electric core 1.Described protective circuit plate 2 comprises anodal charging port 2.1, negative pole charging port 2.2, positive discharge port 2.3 and negative discharge port 2.4.The anodal charging port 2.1 of described protective circuit plate 2 is connected with described electric core 1 anodal 1.1; the negative pole charging port 2.2 of described protective circuit plate 2 is connected with described electric core 1 negative pole 1.2; the positive discharge port 2.3 of described protective circuit plate 2 is connected with the positive pole of load; the negative discharge port 2.4 of described protective circuit plate 2 is connected with the negative pole of load; in circuit, described anodal charging port 2.1 is same port with described positive discharge port 2.3.
In this specific embodiment; described protective circuit plate 2 is provided with at described electric core 1 between the negative pole 1.2 of the end of negative pole 1.2 and this protective circuit plate 2 and described electric core 1 and is provided with insulating surfaces pad 3; according to actual needs, described protective circuit plate 2 also can be provided with insulating surfaces pad 3 between described electric core 1 is provided with the positive pole 1.1 of anodal 1.1 end and this protective circuit plate 2 and described electric core 1.The outer face of described protective circuit plate 2 is a negative discharge port 2.4.The end that described electric core 1 is provided with positive pole 1.1 is provided with conductive cover plate 4, and described conductive cover plate 4 is connected with described electric core 1 anodal 1.1.
Lithium ion battery of the present utility model is outer can to put shell, as long as in an end exposed portions serve conductive cover plate 4 of electric core 1, just can in other end exposed portions serve protective circuit plate 2 outer faces (being negative discharge port 2.4) of electric core 1.Described shell is connected in one described electric core 1, conductive cover plate 4 and protective circuit plate 2, also can protect the circuit in the electric core 1 to connect, and makes lithium ion battery structure of the present utility model more reliable.
Claims (3)
1. lithium ion battery; comprise electric core (1) and protective circuit plate (2); the positive pole (1.1) of described electric core (1) and negative pole (1.2) lay respectively at the two ends of described electric core (1); described protective circuit plate (2) comprises the anodal charging port (2.1) that is connected with electric core (1) anodal (1.1); the negative pole charging port (2.2) that is connected with electric core (1) negative pole (1.2); reach the negative discharge port (2.4) that is connected with the load negative pole with the anodal positive discharge port (2.3) that is connected of load; it is characterized in that: described protective circuit plate (2) is located at an end of described electric core (1), is provided with insulating surfaces pad (3) between described protective circuit plate (2) and electric core (1) anodal (1.1) or the negative pole (1.2).
2. lithium ion battery according to claim 1; it is characterized in that: described protective circuit plate (2) is positioned between the negative pole (1.2) that described electric core (1) is provided with the end of negative pole (1.2) and this protective circuit plate (2) and described electric core (1) and is provided with insulating surfaces pad (3), and the outer face of described protective circuit plate (2) is negative discharge port (2.4).
3. lithium ion battery according to claim 2 is characterized in that: the end that described electric core (1) is provided with positive pole (1.1) is provided with conductive cover plate (4), and described conductive cover plate (4) is connected with the positive pole (1.1) of described electric core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206982504U CN201910466U (en) | 2010-12-29 | 2010-12-29 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206982504U CN201910466U (en) | 2010-12-29 | 2010-12-29 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910466U true CN201910466U (en) | 2011-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206982504U Expired - Fee Related CN201910466U (en) | 2010-12-29 | 2010-12-29 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201910466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968215A (en) * | 2021-02-08 | 2021-06-15 | 珠海市鹏森电子科技有限公司 | POS machine battery control board fixing method |
-
2010
- 2010-12-29 CN CN2010206982504U patent/CN201910466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968215A (en) * | 2021-02-08 | 2021-06-15 | 珠海市鹏森电子科技有限公司 | POS machine battery control board fixing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20131229 |