CN106299171A - A kind of power type lithium electricity capping structure - Google Patents
A kind of power type lithium electricity capping structure Download PDFInfo
- Publication number
- CN106299171A CN106299171A CN201610800843.9A CN201610800843A CN106299171A CN 106299171 A CN106299171 A CN 106299171A CN 201610800843 A CN201610800843 A CN 201610800843A CN 106299171 A CN106299171 A CN 106299171A
- Authority
- CN
- China
- Prior art keywords
- aluminium flake
- explosion
- edge
- proof
- type lithium
- 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.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- 230000005611 electricity Effects 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000945 filler Chemical group 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 12
- 229910000679 solder Inorganic materials 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 239000004411 aluminium Substances 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a kind of power type lithium electricity capping structure, including sealing ring, and connection aluminium flake, insulation cushion rubber, explosion-proof aluminium flake, filler ring and the electrode cap being set in turn in from the bottom to top in sealing ring；Described sealing ring is in the form of slot, its bottom opening, connects aluminium flake and is covered by this opening, and the edge flange connecting aluminium flake is set up in the edge of this opening；Central lug that the centrally disposed oriented connection aluminium flake of described explosion-proof aluminium flake protrudes and compressing, the edge of explosion-proof aluminium flake upwards bound edge is by the edge wrap of electrode cap；Filler ring is undertaken between electrode cap and explosion-proof aluminium flake, and the middle part of electrode cap is provided with the protuberance protruded laterally.
Description
Technical field
The present invention relates to lithium battery accessory technical field, particularly a kind of power type lithium electricity capping structure.
Background technology
At present, lithium battery is applied in combination typically by multi-series and parallel, and so, the gross energy of battery is relatively big, in charging process
The hidden danger that single over-charging of battery of middle existence or whole set of cells overcharge, and when lithium battery overcharges, cell voltage increases with polarization
And rise rapidly, the irreversible change of positive active material structure and the decomposition of electrolyte can be caused, produce a large amount of gas, release
Substantial amounts of heat, makes battery temperature and intrinsic pressure sharply increases, there is the hidden danger such as blast, burning.The safety of lithium battery causes people
Extensive concern.The safety of lithium battery overcharge and the positive electrode of battery, electrolyte, the factor such as explosion-proof combined block structure
Relevant.
Especially for explosion-proof combined block structure, current explosion-proof combined block is relatively simple for structure, and safety coefficient is low,
Also have influence on the performance of lithium battery simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, it is provided that a kind of power type lithium electricity block
Structure.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of power type lithium electricity capping structure, bag
Include sealing ring, and connection aluminium flake, insulation cushion rubber, explosion-proof aluminium flake, filler ring and the electricity being set in turn in from the bottom to top in sealing ring
Polar cap；Described sealing ring is in the form of slot, its bottom opening, connects aluminium flake and is covered by this opening, and connects the edge flange of aluminium flake
It is set up in the edge of this opening；Central lug that the centrally disposed oriented connection aluminium flake of described explosion-proof aluminium flake protrudes and pressing
Tightly, the edge of explosion-proof aluminium flake upwards bound edge is by the edge wrap of electrode cap；Filler ring is undertaken between electrode cap and explosion-proof aluminium flake, electricity
The middle part of polar cap is provided with the protuberance protruded laterally.
In technique scheme, the inner bottom part of described sealing ring is provided with tray, and medial wall is provided with fixture block, described explosion-proof
Aluminium flake is resisted against on described tray and is limited under described fixture block.
In technique scheme, described tray is circumferentially arranged along sealing ring, forms continuous print torr bar；Described fixture block is along close
Seal is circumferentially arranged, and forms continuous print card article.
In technique scheme, the outer surface at described torr bar has sealant layer.
In technique scheme, the bottom surface of described explosion-proof aluminium flake is provided with circumferential groove, and this groove is arranged at explosion-proof aluminium
The center of sheet is the round dot protrusion starting point at central lug.
In technique scheme, the cross section angle of described groove is 45 degree.
In technique scheme, the bound edge edge of described explosion-proof aluminium flake is fixing with described electrode cap by the way of welding to be connected
Connect.
In technique scheme, the mode of described welding is for being one group with the multiple solder joint of continuous print, around described explosion-proof aluminium
The bound edge marginating compartment welding of sheet.
In technique scheme, the middle part of described explosion-proof aluminium flake is to having one-level concave face, in one-level concave face
Portion forms described central lug；The middle part of described electrode cap has set up one-level projecting surface, at this one-level projecting surface
Middle part forms described protuberance；The diameter of described one-level concave face, less than the diameter of one-level projecting surface, makes described explosion-proof aluminium flake
There is gap between surface and described one-level projecting surface, the edge of described filler ring is embedded in this gap and the middle part of filler ring is to anti-
Quick-fried aluminium flake caves in and is resisted against explosion-proof aluminum flake surface.
In technique scheme, in the middle part of the bottom surface of described connection aluminium flake, be provided with depression, this depression by laser welding with
The central lug of described explosion-proof aluminium flake is fixing to be connected.
The invention has the beneficial effects as follows: this overall construction design is ingenious, structural reliability is good, it is possible to greatly improve safety
Property and provide the highest sealing for battery, explosion-proof capabilities is eager to excel than existing explosion-proof cap.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the plan structure schematic diagram of Fig. 1；
Fig. 3 be Fig. 1 look up structural representation.
In figure, 1, sealing ring；2, aluminium flake is connected；3, insulation cushion rubber；4, explosion-proof aluminium flake；5, filler ring；6, electrode cap；7, center
Protuberance；8, bound edge；9, flange；10, tray；11, fixture block；12, groove；13, solder joint group；14, sealant layer；15, one-level is recessed
The face of falling into；16, one-level projecting surface；17, protuberance；18, gap；19, torr bar；20, laser welding；21, depression.
Detailed description of the invention
The present invention is further detailed explanation below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, a kind of power type lithium electricity capping structure, including sealing ring 1, and set gradually from the bottom to top
Connection aluminium flake 2, insulation cushion rubber 3, explosion-proof aluminium flake 4, filler ring 5 and electrode cap 6 in sealing ring 1；Described sealing ring 1 is in the form of slot,
Its bottom opening, connects aluminium flake 2 and is covered by this opening, and the edge flange 9 connecting aluminium flake 2 is set up in the edge of this opening；
Central lug 7 that the centrally disposed oriented connection aluminium flake 2 of described explosion-proof aluminium flake 4 protrudes and compressing, the edge of explosion-proof aluminium flake 4
Upwards bound edge 8 is by the edge wrap of electrode cap 6；Filler ring 5 is undertaken between electrode cap 6 and explosion-proof aluminium flake 4, the middle part of electrode cap 6
It is provided with the protuberance 17 protruded laterally.
Wherein, the inner bottom part of described sealing ring 1 is provided with tray 10, and medial wall is provided with fixture block 11, described explosion-proof aluminium flake 4
It is resisted against on described tray 10 and is limited under described fixture block 11.Tray 10 is spaced multiple, with multiple
The mode of support point is as support.In like manner fixture block 11 is spaced multiple, using in the way of multiple limit points as spacing.Or
Described tray 10 is circumferentially arranged along sealing ring 1, forms continuous print torr bar 19, using in the way of line/face as support；Described fixture block
11 are circumferentially arranged along sealing ring 1, form continuous print card article, spacing in the way of line/face.Appearance topcoating at described torr bar 19
It is covered with sealant layer 14.
Wherein, the bottom surface of described explosion-proof aluminium flake 4 is provided with circumferential groove 12, and this groove 12 is arranged at explosion-proof aluminium flake 4
Center is the round dot protrusion starting point at central lug 7.The cross section angle of described groove 12 is 45 degree.This groove 12 makes explosion-proof
The central lug 7 of aluminium flake 4 has certain elasticity, improves the annexation of capping structure.
Wherein, bound edge 8 edge of described explosion-proof aluminium flake 4 is fixing with described electrode cap 6 by the way of welding is connected.Described
The mode of welding forms solder joint group 13 for being one group with the multiple solder joint of continuous print, and solder joint group 13 is around the bag of described explosion-proof aluminium flake 4
Limit 8 marginating compartment welding.The most typically using 8 solder joints of continuous print is one group, has greatly increased this structure
Fastness.
Wherein, the middle part of described explosion-proof aluminium flake 4, to having one-level concave face 15, is formed at the middle part of one-level concave face 15
Described central lug 7；The middle part of described electrode cap 6 has set up one-level projecting surface 16, at this one-level projecting surface 16
Middle part forms described protuberance 17；The diameter of described one-level concave face 15, less than the diameter of one-level projecting surface 16, makes described explosion-proof
There is gap 18 between surface and the described one-level projecting surface 16 of aluminium flake 4, the edge of described filler ring 5 be embedded in this gap 18 and
The middle part of filler ring 5 caves in 21 and be resisted against explosion-proof aluminium flake 4 surface to explosion-proof aluminium flake 4.
Wherein, the bottom margin at described sealing ring 1 is coated with sealant layer 14.For sealing between battery container
Connect, improve sealing.
Wherein, being provided with depression 21 in the middle part of the bottom surface of described connection aluminium flake 2, this depression 21 passes through laser welding 20 with described
The central lug 7 of explosion-proof aluminium flake 4 is fixing to be connected.Improve reliability of structure, thus improve safety.
Above embodiment is merely illustrative and not limiting to the invention, therefore all according to described in present patent application scope
Method done equivalence change or modify, in the range of being all included in present patent application.
Claims (10)
1. a power type lithium electricity capping structure, it is characterised in that: include sealing ring, and be set in turn in sealing from the bottom to top
Connection aluminium flake, insulation cushion rubber, explosion-proof aluminium flake, filler ring and electrode cap in circle；Described sealing ring is in the form of slot, its bottom opening, even
Connect aluminium flake to be covered by this opening, and the edge flange connecting aluminium flake is set up in the edge of this opening；In described explosion-proof aluminium flake
The heart arranges the central lug of directed connection aluminium flake protrusion and compresses, and the edge of explosion-proof aluminium flake upwards bound edge is by the limit of electrode cap
Edge wraps up；Filler ring is undertaken between electrode cap and explosion-proof aluminium flake, and the middle part of electrode cap is provided with the protuberance protruded laterally.
A kind of power type lithium electricity capping structure the most according to claim 1, it is characterised in that: the inner bottom part of described sealing ring
Being provided with tray, medial wall is provided with fixture block, and described explosion-proof aluminium flake is resisted against on described tray and is limited in described fixture block
Under.
A kind of power type lithium electricity capping structure the most according to claim 2, it is characterised in that: described tray is along sealing ring edge
Circumference is arranged, and forms continuous print torr bar；Described fixture block is circumferentially arranged along sealing ring, forms continuous print card article.
A kind of power type lithium electricity capping structure the most according to claim 3, it is characterised in that: at the outer surface of described torr bar
It is coated with sealant layer.
A kind of power type lithium electricity capping structure the most according to claim 1, it is characterised in that: the bottom surface of described explosion-proof aluminium flake
Being provided with circumferential groove, this groove is arranged at the center of explosion-proof aluminium flake for round dot in the protrusion starting point of central lug.
A kind of power type lithium electricity capping structure the most according to claim 4, it is characterised in that: the cross section angle of described groove
It it is 45 degree.
A kind of power type lithium electricity capping structure the most according to claim 1, it is characterised in that: the bound edge of described explosion-proof aluminium flake
Edge is fixing with described electrode cap by the way of welding to be connected.
A kind of power type lithium electricity capping structure the most according to claim 7, it is characterised in that: the mode of described welding be with
The multiple solder joint of continuous print is one group, and the bound edge marginating compartment around described explosion-proof aluminium flake welds.
A kind of power type lithium electricity capping structure the most according to claim 1, it is characterised in that: the middle part of described explosion-proof aluminium flake
To having one-level concave face, at the central lug described in the formation of the middle part of one-level concave face；The middle part of described electrode cap to
On be provided with one-level projecting surface, form described protuberance at the middle part of this one-level projecting surface；The diameter of described one-level concave face is little
In the diameter of one-level projecting surface, make to exist between the surface of described explosion-proof aluminium flake and described one-level projecting surface gap, described filler ring
Edge be embedded in this gap and cave in explosion-proof aluminium flake and be resisted against explosion-proof aluminum flake surface in the middle part of filler ring.
A kind of power type lithium electricity capping structure the most according to claim 1, it is characterised in that: the end of described connection aluminium flake
Middle face is provided with depression, and this depression is connected by laser welding is fixing with the central lug of described explosion-proof aluminium flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800843.9A CN106299171A (en) | 2016-09-05 | 2016-09-05 | A kind of power type lithium electricity capping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610800843.9A CN106299171A (en) | 2016-09-05 | 2016-09-05 | A kind of power type lithium electricity capping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106299171A true CN106299171A (en) | 2017-01-04 |
Family
ID=57709508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610800843.9A Pending CN106299171A (en) | 2016-09-05 | 2016-09-05 | A kind of power type lithium electricity capping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106299171A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065770A (en) * | 2018-07-20 | 2018-12-21 | 苏州橙柳电子精密有限公司 | A kind of explosion-proof type battery combination block and manufacture craft |
| CN110379993A (en) * | 2019-08-14 | 2019-10-25 | 横店集团东磁股份有限公司 | A kind of lithium battery combination cover cap and lithium battery |
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| CN105226209A (en) * | 2015-10-20 | 2016-01-06 | 常州市武进中瑞电子有限公司 | The ultra-thin power combination block of lithium battery |
| CN205542928U (en) * | 2016-04-08 | 2016-08-31 | 江阴市东润电子有限公司 | Novel cylinder lithium cell hangs down explosion -proof combined cover cap of internal resistance power type |
| CN206040727U (en) * | 2016-09-05 | 2017-03-22 | 东莞市奕东电子有限公司 | Power type lithium electricity block structure |
-
2016
- 2016-09-05 CN CN201610800843.9A patent/CN106299171A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814589A (en) * | 2010-05-06 | 2010-08-25 | 熊辉 | Explosion-proof cap of micro-resistance cylindrical lithium ion battery |
| CN102005549A (en) * | 2010-10-27 | 2011-04-06 | 杨学新 | Explosion-proof combined cap of high-power battery |
| CN201820810U (en) * | 2010-10-27 | 2011-05-04 | 杨学新 | Explosion-proof combined cap of high-power power battery |
| CN102290542A (en) * | 2011-07-13 | 2011-12-21 | 无锡市金杨新型电源有限公司 | Low-resistance lithium ion battery cover cap |
| CN202282396U (en) * | 2011-11-03 | 2012-06-20 | 常州市武进中瑞电子有限公司 | Anti-explosion combination nut cap of Z structure wrap-around power battery |
| CN202817081U (en) * | 2012-09-28 | 2013-03-20 | 山西皇城相府中道能源有限公司 | Cylindrical lithium ion power battery cap |
| CN204792947U (en) * | 2015-06-30 | 2015-11-18 | 常州市武进中瑞电子有限公司 | Prevent rotatory block |
| CN204792951U (en) * | 2015-07-08 | 2015-11-18 | 常州市武进中瑞电子有限公司 | Power type arc -welding block |
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| CN205542928U (en) * | 2016-04-08 | 2016-08-31 | 江阴市东润电子有限公司 | Novel cylinder lithium cell hangs down explosion -proof combined cover cap of internal resistance power type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065770A (en) * | 2018-07-20 | 2018-12-21 | 苏州橙柳电子精密有限公司 | A kind of explosion-proof type battery combination block and manufacture craft |
| CN110379993A (en) * | 2019-08-14 | 2019-10-25 | 横店集团东磁股份有限公司 | A kind of lithium battery combination cover cap and lithium battery |
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Address after: 523000, Dongguan, Guangdong province Dongcheng District sand science and Technology Industrial Park Applicant after: Yidong Electronic Technology Co.,Ltd. Address before: 523000, Dongguan, Guangdong province Dongcheng District sand science and Technology Industrial Park Applicant before: DONGGUAN YIDONG TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170104 |