CN205583056U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN205583056U CN205583056U CN201620378590.6U CN201620378590U CN205583056U CN 205583056 U CN205583056 U CN 205583056U CN 201620378590 U CN201620378590 U CN 201620378590U CN 205583056 U CN205583056 U CN 205583056U
- Authority
- CN
- China
- Prior art keywords
- electrode
- foil
- cover plate
- negative electrode
- interpolation slit
- 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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Classifications
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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
-
- 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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a lithium ion battery, an electrolysis chamber has in the battery case, the apron is fixed on the battery case, the screw rod passes the apron and is fixed on the apron by the nut, just, negative electrode all has utmost point ear, the next -door neighbour just, set up two elastic foil directly over the negative electrode, the foil lower extreme is equipped with the electrode interpolation slit, every just, negative electrode is all just to the counter electrode interpolation slit on the corresponding foil, electrode interpolation slit open end is greater than utmost point ear thickness for tubaeform and maximum breadth, the seam width of part is less than utmost point ear thickness below the electrode interpolation slit open end, the electrolysis intracavity is provided with the metallic interconnect piece and its both ends are connected to respectively on corresponding screw rod side and the corresponding foil, just, negative electrode 's utmost point ear inserts respectively in corresponding foil's the counter electrode interpolation slit. Owing to adopt foil, metallic interconnect piece, can reduce utmost point ear length degree and use amount to reduce the space and occupy, improved lithium ion battery power efficiency.
Description
Technical field
This utility model relates to a kind of lithium ion battery, and it is mainly using lithium ion as medium transmission electric energy.
Background technology
201420014147.1 disclose a kind of lithium ion battery, including battery case, cover plate, electrode assemblie, two electrodes
Drawing assembly, wherein, this battery case has an electrolyte chamber, and described battery case is provided with metallic rod and insulating trip, and described metallic rod is solid
Being scheduled on the side of described battery case, described insulating trip is enclosed within this metallic rod；Described cover plate is fixed on this battery case, described lid
Plate is provided with a receiving chamber, and described receiving intracavity is provided with a protection circuit plate, and described metallic rod stretches into this receiving chamber, this metallic rod
End be connected to described protection circuit plate；Described electrode assemblie is positioned at described electrolyte chamber, and this electrode assemblie is at least by positive pole
Electrode, negative electrode and demarcation strip composition, described demarcation strip between described anode electrode and negative electrode, described positive pole
Electrode and/or negative electrode have lug, and this lug is enclosed within described metallic rod；The described electrode of at least one draws assembly
At least including a screw rod, this screw rod is arranged on described cover plate, and the lower end of described screw rod is connected to described lug.This utility model
In, lug length is long, increases space hold, also lug length long increase power consumption thus reduce battery supply
Electrical efficiency.
Utility model content
This utility model solves the technical problem that and is, proposes a kind of lithium ion battery for the problem mentioned in background technology
To solve the problem in background technology.
This utility model the technical scheme is that for solving above-mentioned technical problem
A kind of lithium ion battery, including battery case, cover plate, screw rod, nut, wherein, has an electrolysis in described battery case
Chamber, described cover plate is fixed on described battery case, and described screw rod is provided with two and both passes through described cover plate and by being positioned at described lid
The described nut of plate upper end is fixed on described cover plate, is provided with at least one anode electrode and at least one is born in described electrolyte chamber
Pole electrode, is provided with the demarcation strip that insulant is made, described anode electrode, negative electricity between described anode electrode and negative electrode
Pole is respectively provided with lug, is close to described anode electrode, negative electrode is arranged above two elastic foils, described metal foil
Sheet lower end is equipped with at least one electrode interpolation slit, and each described anode electrode is the most just on foil one of them described
Individual described electrode interpolation slit, just the most described on foil another the described electrode interpolation slit of each described negative electrode,
The opening of described electrode interpolation slit is tubaeform and the Breadth Maximum of its opening is more than described lug thickness, described electrode interpolation slit
Opening is less than the thickness of described lug with the seam width of lower part, is provided with two metal connecting sheets in described electrolyte chamber, its
In described metal connecting sheet two ends be respectively connecting to be positioned at one of them screw rod side of described electrolyte chamber and connect institute
Stating on the foil of anode electrode, another described metal connecting sheet two ends are respectively connecting to be positioned at the another of described electrolyte chamber
One screw rod side and connect on the foil of described negative electrode, described foil and anode electrode, negative electrode it
Between be provided with insulation spacer, the lug of described anode electrode and the lug of described negative electrode both pass through described insulation spacer and insert respectively
Enter in the counter electrode interpolation slit of corresponding described foil.
In described lithium ion battery, described metal connecting sheet at right angles bends, and described metal connecting sheet one bends side
Against described internal surface of battery shell, another bending side of described metal connecting sheet is against described cover plate.
In described lithium ion battery, between described metal connecting sheet and cover plate, battery case, it is provided with at right angles bending
Insulating trip, described insulating trip one bends side against described internal surface of battery shell, and another bending side of described insulating trip is against described cover plate.
In described lithium ion battery, between described screw rod and cover plate, it is provided with sealing shroud.
Lithium ion battery described in the utility model, owing to using foil, metal connecting sheet, it is possible to reduce lug is long
Degree and usage amount, thus decrease space hold, improve lithium ion battery power supplying efficiency.
Accompanying drawing explanation
Fig. 1 is lithium ion battery partial structurtes schematic diagram.
Description of reference numerals in figure: battery case 1；Electrolyte chamber 2；Demarcation strip 3；Negative electrode 4；Anode electrode 5；Foil
6；Electrode interpolation slit 7；Insulation spacer 8；Metal connecting sheet 9；Insulating trip 10；Screw rod 11；Sealing shroud 12；Cover plate 13；Nut 14；Lug
15。
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of lithium ion battery, including battery case 1, cover plate 13, screw rod 11, nut 14, wherein, described electricity
Having an electrolyte chamber 2 in pond shell 1, described cover plate 13 is fixed on described battery case 1, and cover plate 13 is provided with two screwed holes, institute
State screw rod 11 be provided with two and both pass through screwed hole corresponding on described cover plate 13, and by being positioned at described in described cover plate 13 upper end
Nut 14 is fixed on described cover plate 13, is provided with sealing shroud 12 close to increase between the screwed hole on described screw rod 11 and cover plate 13
Envelope effect.At least one anode electrode 5 and at least one negative electrode 4, described anode electrode 5 He it is provided with in described electrolyte chamber 2
Being provided with the demarcation strip 3 that insulant is made between negative electrode 4, described anode electrode 5, negative electrode 4 are respectively provided with lug 15, tightly
Adjacent described anode electrode 5, negative electrode 4 are arranged above two elastic foils 6, with absolutely between two foils 6
Edge material separates, and foil 6 is made by having certain elastic conducting metal, and described foil 6 lower end is equipped with at least
One electrode interpolation slit 7, a described electrode on foil one of them described 6 is the most just inserted by each described anode electrode 5
Seam 7, just the most described on foil another the described 6 electrode interpolation slit 7 of each described negative electrode 4, described electrode
The opening of interpolation slit 7 is tubaeform and the Breadth Maximum of its opening is more than described lug 15 thickness, such lug 15 easily from
Electrode interpolation slit 7 opening inserts in electrode interpolation slit 7, and described electrode interpolation slit 7 opening is less than described pole with the seam width of lower part
The thickness of ear 15, such lug 15 just backs down electrode interpolation slit 7 after inserting electrode interpolation slit 7 opening, owing to foil 6 is flexible
Just rebound, thus the foil 6 directly over stuck fast lug 15, so next-door neighbour's described anode electrode 5, negative electrode 4 can
So that the lug 15 of multiple anode electrodes 5 or negative electrode 4 need not bend insert in corresponding foil 6 nearby multiple right
In the electrode interpolation slit 7 answered, decrease space hold and lug 15 length, usage amount, improve lithium ion battery power supplying efficiency.Institute
Being provided with two metal connecting sheets 9 in stating electrolyte chamber 2, one of them described metal connecting sheet 9 two ends is respectively connecting to be positioned at institute
State one of them screw rod 11 side in electrolyte chamber 2 and connect on the foil 6 of described anode electrode 5, another described gold
Belong to connection sheet 9 two ends be respectively connecting to be positioned at another screw rod 11 side of described electrolyte chamber 2 and connect described negative electrode 4
Foil 6 on, the use of metal connecting sheet 9 can reduce lug in the case of having multiple anode electrode 5, negative electrode 4
The usage amount of 15.Described metal connecting sheet 9 the most at right angles bending, described metal connecting sheet 9 one bending side is against described battery
Shell 1 inwall, another bending side of described metal connecting sheet 9, against described cover plate 13, so can form one more in electrolyte chamber 2
Big space is for utilization.In order to prevent metal connecting sheet 9 from contacting with battery case 1, cover plate 13, described metal connecting sheet 9 and lid
Being preferably provided with the insulating trip 10 of at right angles bending between plate 13, battery case 1, described insulating trip 10 1 bending side is against described battery
Shell 1 inwall, another bending side of described insulating trip 10 is against described cover plate 13.Described foil 6 and anode electrode 5, negative electricity
It is provided with insulation spacer 8 that insulant makes between pole 4 and causes short circuit preventing anode electrode 5 from directly connecting with negative electrode 4,
Insulation spacer 8 is just being provided with through hole, the lug 15 or described of described anode electrode 5 to anode electrode 5, negative electrode 4 position
The lug 15 of negative electrode 4 both passes through the respective through hole on described insulation spacer 8 and inserts the right of corresponding described foil 6 respectively
In answering electrode interpolation slit 7.
The above is only embodiment of the present utility model and the introduction of technological means used, and is not new to practicality
The restriction of type, disclosing and illustrating that any change made, equivalence replacement, improvement etc. are accordingly to be regarded as being included in this practicality according to this paper
Within novel technology category.
Claims (4)
1. a lithium ion battery, it is characterised in that include battery case, cover plate, screw rod, nut, wherein, tool in described battery case
Having an electrolyte chamber, described cover plate to be fixed on described battery case, described screw rod is provided with two and both passes through described cover plate and by position
Described nut in described cover plate upper end is fixed on described cover plate, is provided with at least one anode electrode and extremely in described electrolyte chamber
A few negative electrode, is provided with the demarcation strip that insulant is made, described positive electrical between described anode electrode and negative electrode
Pole, negative electrode are respectively provided with lug, are close to described anode electrode, negative electrode is arranged above two elastic foils,
Described foil lower end is equipped with at least one electrode interpolation slit, and each described anode electrode is the most just to metal one of them described
A described electrode interpolation slit on thin slice, each described negative electrode is the most just to described on foil another described
Electrode interpolation slit, the opening of described electrode interpolation slit is tubaeform and the Breadth Maximum of its opening is more than described lug thickness, institute
State electrode interpolation slit opening and be less than the thickness of described lug with the seam width of lower part, in described electrolyte chamber, be provided with two metals
Connecting sheet, one of them described metal connecting sheet two ends is respectively connecting to be positioned at one of them screw rod side of described electrolyte chamber
With on the foil connecting described anode electrode, another described metal connecting sheet two ends are respectively connecting to be positioned at described electrolysis
Another screw rod side of intracavity and connect on the foil of described negative electrode, described foil and anode electrode, negative
Being provided with insulation spacer between the electrode of pole, the lug of described anode electrode and the lug of described negative electrode both pass through described felt pad
Sheet inserts in the counter electrode interpolation slit of corresponding described foil respectively.
Lithium ion battery the most according to claim 1, it is characterised in that described metal connecting sheet at right angles bends, described
Metal connecting sheet one bends side against described internal surface of battery shell, and another bending side of described metal connecting sheet is against described cover plate.
Lithium ion battery the most according to claim 2, it is characterised in that described metal connecting sheet and cover plate, battery case it
Between be provided with the insulating trip of at right angles bending, described insulating trip one bends side against described internal surface of battery shell, described insulating trip another
Bending side is against described cover plate.
Lithium ion battery the most according to claim 1, it is characterised in that be provided with sealing shroud between described screw rod and cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620378590.6U CN205583056U (en) | 2016-04-30 | 2016-04-30 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620378590.6U CN205583056U (en) | 2016-04-30 | 2016-04-30 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583056U true CN205583056U (en) | 2016-09-14 |
Family
ID=56858890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620378590.6U Expired - Fee Related CN205583056U (en) | 2016-04-30 | 2016-04-30 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583056U (en) |
-
2016
- 2016-04-30 CN CN201620378590.6U patent/CN205583056U/en not_active Expired - Fee Related
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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: 20160914 Termination date: 20170430 |