CN207925535U - A kind of lithium ion cylinder battery that high power capacity is bonded - Google Patents
A kind of lithium ion cylinder battery that high power capacity is bonded Download PDFInfo
- Publication number
- CN207925535U CN207925535U CN201721884703.0U CN201721884703U CN207925535U CN 207925535 U CN207925535 U CN 207925535U CN 201721884703 U CN201721884703 U CN 201721884703U CN 207925535 U CN207925535 U CN 207925535U
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- Prior art keywords
- lithium
- ion
- metal gasket
- explosion
- lithium ion
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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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- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of lithium ion cylinder batteries that high power capacity is bonded,Including shell and lithium-ion electric core,The upper and lower ends of shell are respectively equipped with top metal gasket and bottom metal gasket,The center of top metal gasket is equipped with positive connecting pole,Firm ball is equipped in positive connecting pole,Top metal gasket and bottom metal gasket lower surface are equipped with explosion-proof rubber ring,The upper and lower ends of lithium-ion electric core are respectively connected with insulated enclosure circle,Lithium-ion electric core includes lithium ion anode piece,Lithium-ion negative pole piece,Anode ear and cathode pole,Anode ear sequentially passes through insulated enclosure circle,Explosion-proof rubber ring and firm ball are fixedly welded on positive connecting pole,Cathode pole sequentially passes through explosion-proof rubber ring from top to bottom and insulated enclosure circle is fixedly welded on bottom metal gasket,PTC element is equipped between anode ear,This programme is compact-sized,Component stable connection,The internal circuit stable connection of lithium ion battery,It simultaneously also can be explosion-proof,Prolong the service life.
Description
Technical field
The utility model is related to technical field of lithium ion, specially a kind of lithium ion cylinder that high power capacity is bonded
Battery.
Background technology
Lithium ion battery is succeeded in developing by Sony Corporation of Japan in nineteen ninety at first.It is that lithium ion is embedded in carbon (oil
Coke and graphite) in formed cathode (traditional lithium battery lithium or lithium alloy make cathode).Positive electrode often uses LixCoO2, also uses
LixNiO2 and LixMnO4, electrolyte LiPF6+ divinyls carbonic ester (EC)+dimethyl carbonate (DMC).Petroleum coke and
It is nontoxic that graphite makees negative material, and resource is sufficient, and lithium ion is embedded in carbon, overcomes the high activity of lithium, solves traditional lithium electricity
Safety problem existing for pond, positive LixCoO2 is in charging-discharging performances and can reach higher level on the service life, makes cost reduction.
With the rapid development of lithium ion battery technology, lithium ion battery advantage compared with traditional battery is numerous at present,
Such as its have high-energy density, electric discharge when high voltage, also have under low-temperature condition excellent charging and discharging capabilities and
Environmental protection and public nuisance free, and the battery variety designed is also various, and according to Shape Classification, lithium ion battery can be divided into cylindrical, side
Shape and coin shape, all so that lithium ion battery is increasingly made a pet of by people.
But the column lithium ion being widely used at present, there is also major defect be mainly reflected in following side
Face：
(1) anti-explosion safety performance is low, inside battery micro-short circuit, results in electrolyte decomposition and generates bulk gas, leads to lithium
Ion battery is easy to happen the case where explosion.
(2) connection type of positive electrode and negative electrode built on the sand, leads to the situation for being susceptible to open circuit so that lithium ion battery
Service life reduces.
Utility model content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of lithium ion that high power capacity is bonded circle
Column battery, compact-sized, component stable connection is safe to use, and energy density is high, realizes the high power capacity of battery, and in addition addition is protected
Protection unit so that the internal circuit stable connection of lithium ion battery, while also can be explosion-proof, prolong the service life, can effectively solve
The problem of certainly background technology proposes.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of lithium ion cylinder battery that high power capacity is bonded, including shell and the lithium ion that is arranged in the shell
The upper and lower ends of battery core, the shell are respectively equipped with top metal gasket and bottom metal gasket, the top metal gasket
Center is equipped with positive connecting pole, and firm ball, the top metal gasket and bottom are equipped in the anode connecting pole
Metal gasket lower surface is fixed with explosion-proof rubber ring, and it is close that the upper and lower ends of the lithium-ion electric core have been fixedly connected with insulation
Seal, the lithium-ion electric core include the anode ear that lithium ion anode piece, lithium-ion negative pole piece, lithium ion anode piece are fixedly connected
The cathode pole being fixedly connected with lithium-ion negative pole piece, the anode ear sequentially pass through insulated enclosure circle, explosion-proof rubber from top to bottom
Cushion rubber and firm ball, and the cathode pole is fixedly welded on positive connecting pole, and the cathode pole is from top to bottom
Explosion-proof rubber ring and insulated enclosure circle are sequentially passed through, and the cathode pole is fixedly welded on bottom metal gasket, it is described
Anode ear, which is equipped with, disconnects section, and be additionally provided with PTC elements in the disconnection section connect with anode ear.
As a kind of preferred technical solution of the utility model, the lithium ion anode piece and lithium-ion negative pole piece outer surface
It is respectively equipped with positive pole current collections net and cathode collection power grid.
As a kind of preferred technical solution of the utility model, the housing outer surface fixing wound has PVC plastic foils,
Heat-conducting pad is equipped between the PVC plastic film and the shell.
As a kind of preferred technical solution of the utility model, the upper surface of the lithium-ion electric core and top metal gasket
On be equipped with gas liberation port, be equipped with cellular gas vent on the explosion-proof rubber ring and insulated enclosure circle.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model is compact-sized, component stable connection, safe to use, and energy density is high, and voltage platform is high, leads to
It crosses and is equipped with protection rubber bodies between lithium-ion electric core and shell, play the role of shatter-resistant anticollision to anode and cathode, prevent
Only after battery hard hit, circuit disconnection can not be powered,
(2) the utility model structure adds exhaust and explosion prevention function again simultaneously, prevents battery from accident occurring when in use quick-fried
It is fried, improve the safety used.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the PVC plastic film and casing connecting structure schematic diagram of the utility model；
Fig. 3 is the PTC element mounting structure schematic diagram of the utility model；
Figure label：
1- shells；2- lithium-ion electric cores；3- top metal gaskets；4- bottom metal gaskets；5- anode connecting poles；6- is firm
Ball；The explosion-proof rubber rings of 7-；8- insulated enclosure circles；9- disconnects section；10-PTC elements；11- positive pole current collections nets；12- cathode collection
Power grid；13-PVC plastic foils；14- heat-conducting pads；15- gas liberation ports；The cellular gas vents of 16-；
201- lithium ion anode pieces；202- lithium-ion negative pole pieces；203- anode ears；204- cathode poles；
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, the utility model provides a kind of lithium ion cylinder battery that high power capacity is bonded, packet
The upper and lower ends of the lithium-ion electric core 2 for including shell 1 and being arranged in the shell 1, the shell 1 are respectively equipped with top metal pad
The center of piece 3 and bottom metal gasket 4, the top metal gasket 3 is equipped with positive connecting pole 5, the anode connecting pole 5
Interior to be equipped with firm ball 6, the top metal gasket 3 and 4 lower surface of bottom metal gasket are fixed with explosion-proof rubber ring
7, when short circuit generates a large amount of gas to lithium-ion electric core 2 during electrolysis, the explosion-proof rubber ring 7 can effectively be kept away
The case where exempting from explosion enhances safety in utilization, and the anode connecting pole 5 and bottom metal gasket 4 are respectively as lithium ion circle
The positive and negative anodes of battery.
It should be noted that explosion-proof rubber ring 7 is the prior art.
The upper and lower ends of the lithium-ion electric core 2 have been fixedly connected with insulated enclosure circle 8, and the lithium-ion electric core 2 includes
The anode ear 203 and lithium ion that lithium ion anode piece 201, lithium-ion negative pole piece 202, lithium ion anode piece 201 are fixedly connected are negative
The cathode pole 204 that pole piece 202 is fixedly connected, the anode ear 203 sequentially pass through insulated enclosure circle 8, explosion-proof rubber from top to bottom
Cushion rubber 7 and firm ball 6, and the anode ear 203 is fixedly welded on positive connecting pole 5, the cathode pole 204 from
Top to bottm sequentially passes through explosion-proof rubber ring 7 and insulated enclosure circle 8, and the cathode pole 204 is fixedly welded on bottom metal
On gasket 4, the insulated enclosure circle 8, explosion-proof rubber ring 7 and 6 one side of firm ball play insulation explosion-proof, insulation and anticollision
The case where effect hit, the insulated enclosure circle 8 can prevent electric leakage, insulating effect is played, the utilization of battery power is improved
Rate, on the other hand, the firm ball 6 can consolidate anode ear 203, will not be lost during use by external force generation
Phenomenon.
The anode ear 203, which is equipped with, disconnects section 9, and be additionally provided with PTC element 10 in the disconnection section 9 connect with anode ear 203,
The circuit disconnected when 9 pairs of lithium ion batteries of section charge plays the role of protection.
It should be noted that when fill lithium ion battery charge to battery both end voltage it is excessively high when, battery leakage can be increased, emitted
Cigarette, burning, the danger of explosion are this kind of dangerous often quite violent.Overcharge may be by the out of control, electrode fault of charging or using not
Correct charger causes.For lithium ion battery when charging and discharging currents are excessive or external short circuit, inner heat may damage battery
Or other component is burnt, the service life cycle of serious curtailment battery.
PTC element 10 can protect circuit, for the various failures that battery is likely to occur, to the parameter of battery charging condition
It is monitored, to ensure battery life and efficiency, when there is situations such as above-mentioned fever, the resistance of PTC element 10 is with temperature
Raising and increase, to reduce charging current, prevent the above situation, charging when protection is played to lithium ion battery
Effect.
Gas liberation port 15, the explosion-proof rubber are equipped on the upper surface of the lithium-ion electric core 2 and top metal gasket 3
It is equipped with cellular gas vent 16 on cushion rubber 7 and insulated enclosure circle 8, can prevent internal electrode film short circuit from generating gas and exploding,
The gas that inside generates is discharged in time, and does not influence the function of explosion-proof rubber ring 7 and insulated enclosure circle 8.
The lithium ion anode piece 201 and 202 outer surface of lithium-ion negative pole piece are respectively equipped with positive pole current collections net 11 and cathode
Collect power grid 12, anti-short-circuit diaphragm be equipped on the apparent surface of the positive pole current collections net 11 and cathode collection power grid 12, increase lithium from
The activity of sub- battery charging and discharging improves charge efficiency, realizes high power capacity, anti-short circuit diaphragm can effectively prevent short circuit, and allow
Electrolytic ion passes through, and does not influence discharge effect.
Preferably, 1 outer surface fixing wound of the shell has PVC plastic film 13, the PVC plastic film 13 and the shell
Heat-conducting pad 14 is equipped between body 1 prevents internal temperature of battery excessively high on the one hand to heat conduction, another conveniently to play anticollision
The ability hit increases the stability of inside battery circuit.
In conclusion the utility model is mainly characterized by：
(1) right by the way that insulated enclosure circle, explosion-proof rubber ring and firm ball are arranged between lithium-ion electric core and shell
Anode and cathode play the role of shatter-resistant anticollision, while inside battery also being protected to connect circuit, prevent battery from acutely hitting
After hitting, circuit disconnection can not be powered,
(2) exhaust outlet and explosion-proof rubber ring are added, prevents battery from accidental explosion occurring when in use, improves the peace used
Quan Xing.
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 practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (4)
1. a kind of lithium ion cylinder battery that high power capacity is bonded includes the lithium of shell (1) and setting in the shell (1)
Ion battery core (2), it is characterised in that：The upper and lower ends of the shell (1) are respectively equipped with top metal gasket (3) and bottom metal
The center of gasket (4), the top metal gasket (3) is equipped with positive connecting pole (5), is set in the anode connecting pole (5)
There are firm ball (6), the top metal gasket (3) and bottom metal gasket (4) lower surface to be fixed with explosion-proof rubber
It encloses (7), the upper and lower ends of the lithium-ion electric core (2) have been fixedly connected with insulated enclosure circle (8), the lithium-ion electric core (2)
The anode ear being fixedly connected including lithium ion anode piece (201), lithium-ion negative pole piece (202), lithium ion anode piece (201)
(203) the cathode pole (204) being fixedly connected with lithium-ion negative pole piece (202), the anode ear (203) are worn successively from top to bottom
Insulated enclosure circle (8), explosion-proof rubber ring (7) and firm ball (6) are crossed, and the anode ear (203) is fixedly welded on just
On pole connecting pole (5), the cathode pole (204) sequentially passes through explosion-proof rubber ring (7) and insulated enclosure circle (8) from top to bottom,
And the cathode pole (204) is fixedly welded on bottom metal gasket (4), and the anode ear (203), which is equipped with, disconnects section
(9), PTC element (10) is additionally provided in the disconnection section (9) to connect with anode ear (203).
2. the lithium ion cylinder battery that a kind of high power capacity according to claim 1 is bonded, it is characterised in that：The lithium
Ion positive plate (201) and lithium-ion negative pole piece (202) outer surface are respectively equipped with positive pole current collections net (11) and cathode collection power grid
(12)。
3. the lithium ion cylinder battery that a kind of high power capacity according to claim 1 is bonded, it is characterised in that：The shell
Body (1) outer surface fixing wound has PVC plastic film (13), and heat conduction is equipped between the PVC plastic film (13) and the shell (1)
Gasket (14).
4. the lithium ion cylinder battery that a kind of high power capacity according to claim 1 is bonded, it is characterised in that：The lithium
Gas liberation port (15), the explosion-proof rubber ring (7) are equipped on the upper surface of ion battery core (2) and top metal gasket (3)
With cellular gas vent (16) is equipped on insulated enclosure circle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884703.0U CN207925535U (en) | 2017-12-29 | 2017-12-29 | A kind of lithium ion cylinder battery that high power capacity is bonded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884703.0U CN207925535U (en) | 2017-12-29 | 2017-12-29 | A kind of lithium ion cylinder battery that high power capacity is bonded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207925535U true CN207925535U (en) | 2018-09-28 |
Family
ID=63616539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721884703.0U Expired - Fee Related CN207925535U (en) | 2017-12-29 | 2017-12-29 | A kind of lithium ion cylinder battery that high power capacity is bonded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207925535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888406A (en) * | 2019-01-25 | 2019-06-14 | 东莞市海商泰通讯科技有限公司 | 1 to No. 7 solid lithium ion rechargeable battery |
-
2017
- 2017-12-29 CN CN201721884703.0U patent/CN207925535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888406A (en) * | 2019-01-25 | 2019-06-14 | 东莞市海商泰通讯科技有限公司 | 1 to No. 7 solid lithium ion rechargeable battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |