CN203932225U - A kind of lithium ion battery - Google Patents
A kind of lithium ion battery Download PDFInfo
- Publication number
- CN203932225U CN203932225U CN201420321192.1U CN201420321192U CN203932225U CN 203932225 U CN203932225 U CN 203932225U CN 201420321192 U CN201420321192 U CN 201420321192U CN 203932225 U CN203932225 U CN 203932225U
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- fore
- grooves
- plug
- gap type
- 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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- Secondary Cells (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model relates to lithium battery production field, and a kind of lithium ion battery, comprises gap type plug and two fore-sets specifically, and two described fore-set symmetries are arranged on the two ends of gap type plug; Described gap type plug is cylindrical, on gap type plug, is provided with endoporus, is provided with four grooves on inner hole wall; Described fore-set comprises fore-set main body, and fore-set main body upper end is provided with jig, is provided with four No. two grooves on jig; In described fore-set main body, be also provided with four No. three grooves, and No. three grooves are connected with No. two grooves.The utility model, by add fore-set at plug two ends, has reached the effect that plug is completely fixed, and the risk of having avoided plug to slide in battery core, has significantly improved battery safety and electrochemistry; By adopting gap type plug, shorten and know clearly the fluid injection time, improved fluid injection efficiency.
Description
Technical field
The utility model relates to lithium battery production field, specifically a kind of lithium ion battery.
Background technology
At present, lithium battery is broadly divided into lithium metal battery and the large class of lithium ion battery two, and lithium ion battery is a kind of secondary cell, and it mainly relies on lithium ion between positive pole and negative pole, to move work.In charge and discharge process, Li+ comes and goes and embeds and de-embedding between two electrodes: during charging, Li+, from the de-embedding of positive pole, embeds negative pole through electrolyte, and negative pole is in rich lithium state; Contrary during electric discharge.The general material that contains elemental lithium that adopts of battery, as electrode, is the representative of modern high performance battery, in present industry and sphere of life, has all played very important effect.
In recent years, cylindrical high-capacity lithium ion battery was at low-speed vehicles such as sanitation cart, cruiser, tour bus and start the application sudden emergences such as power supply, was developed rapidly.Along with market is more and more higher to the requirement of properties of product, traditional column lithium ion battery production technology cannot meet the requirement of quality and safety.At the inner plug that adds of battery core, be a current improved important directions, plug both can improve the dimensional stability of battery core, can also prevent inner both positive and negative polarity short circuit.But, at the inner plug that adds of battery core, can cause following problem:
(1) plug is mainly stainless steel, the mode adding comprise in electric core winding process automatically add or reeled after manually add two kinds, the combination of the former plug and battery core is more firm, be not easy to slide, but battery core is easily slided in battery core falling process, the latter adds rear plug and is difficult to fix, and diameter of mandrel is generally less than coiling bore dia, easily slide, thereby increase the problems such as battery short circuit, the quick decay of capacity;
(2) at the inner plug that adds of battery core, taken the space of part electrolyte, extend the fluid injection time of battery, thereby reduced fluid injection efficiency.
The patent No. is that 201310394151.5 Chinese patent has been announced a kind of cylinder multi-pole lug lithium ion battery and preparation method thereof, and a plurality of lugs on negative plate are set directly at and are protruded on platform by a pad, has improved the design capacity of battery; The patent No. is the lithium ion battery that the Chinese patent of 201210242375.X is announced, and by adopting the collector of graphene film, makes lithium ion battery have higher energy density.But prior art does not all relate to the performance that improves lithium ion battery by improving plug.
Sign in above problem, the utility model provides a kind of lithium ion battery and gap type plug thereof, fore-set.The utility model, by add fore-set at plug two ends, has reached the effect that plug is completely fixed, and the risk of having avoided plug to slide in battery core, has significantly improved battery safety and chemical property.Meanwhile, by adopting gap type plug, shorten and know clearly the fluid injection time, improved fluid injection efficiency.
Summary of the invention
In order to make up the deficiencies in the prior art, the utility model provides a kind of lithium ion battery.
The utility model will solve its technical problem and realize by the following technical solutions.
A lithium ion battery, comprises gap type plug and two fore-sets, and two described fore-set symmetries are arranged on the two ends of gap type plug; Described gap type plug is cylindrical, on gap type plug, is provided with endoporus, is provided with four grooves on inner hole wall; Described fore-set comprises fore-set main body, and fore-set main body upper end is provided with jig, is provided with four No. two grooves on jig; In described fore-set main body, be also provided with four No. three grooves, and No. three grooves are connected with No. two grooves.
As a kind of optimal technical scheme of the present utility model, the material of described gap type plug is polypropylene PP or polythene PE.
As a kind of optimal technical scheme of the present utility model, the endoporus on described gap type plug is shaped as circle, rectangle, square, rhombus or hexagon.
As a kind of optimal technical scheme of the present utility model, a described groove shapes is semicircle, half rectangle, half square, half rhombus or semi-hexagon shape.
As a kind of optimal technical scheme of the present utility model, described fore-set body shape is consistent with interior hole shape, and the size of fore-set main body and interior hole dimension match.
As a kind of optimal technical scheme of the present utility model, the shape of No. three described grooves, size, position are corresponding with shape, size, the position of a groove.
As a kind of optimal technical scheme of the present utility model, described jig is round table-like.
The beneficial effects of the utility model are:
(1) the utility model is by automatically adding plug by equipment in full-automatic battery core winding process, and at plug two ends interpolation fore-set, battery core is connected with lithium battery pole ear, cover plate by plug, fore-set, reached the effect that plug is completely fixed, the risk of having avoided plug to slide in battery core, has significantly improved battery safety and chemical property.
(2) the utility model is by adopting gap type plug and fore-set, on plug, fore-set, be all provided with groove, electrolyte can enter inner temporary transient storage of plug by groove, after battery liquid-filling completes, in standing process, electrolyte passes through again groove out by absorptions such as battery core pole piece, barrier films, shorten the fluid injection time, thereby improved fluid injection efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is assembling front view of the present utility model;
Fig. 2 is A-A sectional drawing of the present utility model;
Fig. 3 is the perspective view of the utility model plug;
Fig. 4 is the left view of the utility model plug;
Fig. 5 is the perspective view of the utility model fore-set;
Fig. 6 is the front view of the utility model fore-set;
Fig. 7 is the left view of the utility model fore-set;
Fig. 8 is the vertical view of the utility model fore-set.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below by an embodiment and in conjunction with specifically illustrating, further set forth the utility model.
As shown in Figure 1, a kind of lithium ion battery described in the utility model, comprises gap type plug 1 and two fore-sets 2, and two described fore-set 2 symmetries are arranged on the two ends of gap type plug 1; Described gap type plug 1 is cylindrical, on gap type plug 1, be provided with endoporus, on inner hole wall, be provided with four grooves 101, and in the present embodiment, endoporus on described gap type plug 1 is shaped as hexagon, and a described groove 101 is shaped as semicircle; Described fore-set 2 comprises fore-set main body 201, fore-set main body 201 upper ends are provided with jig 202, and jig 202 is round table-like, on jig 202, be provided with four No. two grooves 2021, the lug of battery core completes laser welding and is directly connected with the both positive and negative polarity cover plate of battery on jig 202, battery core is connected with lug, cover plate by plug 1, fore-set 2, battery in use plug 1 is completely fixed, avoided plug 1 in the inner risk of sliding of battery core, battery safety and chemical property have obtained significantly improving; In described fore-set main body 201, be also provided with four No. three grooves 2011, and No. three grooves 2011 are connected with No. two grooves 2021.
Described fore-set main body 201 shapes are consistent with interior hole shape, and the size of fore-set main body 201 and interior hole dimension match, the shape of No. three described grooves 2011, size, the shape of position and a groove 101, size, position is corresponding, fore-set main body 201 is inserted in plug 1 endoporus, an and groove 101 on plug 1 inner hole wall, No. two grooves 2021 on jig 202 and No. three grooves 2011 in fore-set main body 201 are connected and form the access way of an electrolyte, thereby electrolyte can enter inner temporary transient storage of plug 1 by access way, after battery liquid-filling completes, in standing process, electrolyte passes through again access way out by battery core pole piece, the absorptions such as barrier film, shortened the fluid injection time, improved fluid injection efficiency.
The material of described gap type plug 1 is polypropylene PP or polythene PE, polypropylene PP or polythene PE have higher thermal endurance, serviceability temperature can reach 110-120 ℃ continuously, it has higher dielectric coefficient simultaneously, electrical insulating property is good, and the gap type plug that is polypropylene PP or polythene PE by employing material has improved capability and performance of the present utility model to a certain extent.
More than show and described basic principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; description in above-described embodiment and specification principle of the present utility model is just described; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a lithium ion battery, is characterized in that: comprise gap type plug (1) and two fore-sets (2), described two fore-sets (2) symmetry is arranged on the two ends of gap type plug (1); Described gap type plug (1) is cylindrical, and gap type plug is provided with endoporus on (1), is provided with four grooves (101) on inner hole wall; Described fore-set (2) comprises fore-set main body (201), and fore-set main body (201) upper end is provided with jig (202), is provided with four No. two grooves (2021) on jig (202); In described fore-set main body (201), be also provided with four No. three grooves (2011), and No. three grooves (2011) are connected with No. two grooves (2021).
2. a kind of lithium ion battery according to claim 1, is characterized in that: the material of described gap type plug (1) is polypropylene PP or polythene PE.
3. a kind of lithium ion battery according to claim 1, is characterized in that: the endoporus on described gap type plug (1) is shaped as circle, rectangle, square, rhombus or hexagon.
4. a kind of lithium ion battery according to claim 1, is characterized in that: a described groove (101) is shaped as semicircle, half rectangle, half square, half rhombus or semi-hexagon shape.
5. a kind of lithium ion battery according to claim 1, is characterized in that: described fore-set main body (201) shape is consistent with interior hole shape, and the size of fore-set main body (201) and interior hole dimension match.
6. a kind of lithium ion battery according to claim 1, is characterized in that: the shape of described No. three grooves (2011), size, position are corresponding with shape, size, the position of a groove (101).
7. a kind of lithium ion battery according to claim 1, is characterized in that: described jig (202) is round table-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321192.1U CN203932225U (en) | 2014-06-16 | 2014-06-16 | A kind of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321192.1U CN203932225U (en) | 2014-06-16 | 2014-06-16 | A kind of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203932225U true CN203932225U (en) | 2014-11-05 |
Family
ID=51827989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321192.1U Expired - Fee Related CN203932225U (en) | 2014-06-16 | 2014-06-16 | A kind of lithium ion battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN203932225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009251A (en) * | 2014-06-16 | 2014-08-27 | 浙江金开来新能源科技有限公司 | Lithium ion battery and notch type core rod and support pillars of lithium ion battery |
-
2014
- 2014-06-16 CN CN201420321192.1U patent/CN203932225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009251A (en) * | 2014-06-16 | 2014-08-27 | 浙江金开来新能源科技有限公司 | Lithium ion battery and notch type core rod and support pillars of lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170616 |