CN205882039U - Battery collector body and alkaline battery - Google Patents
Battery collector body and alkaline battery Download PDFInfo
- Publication number
- CN205882039U CN205882039U CN201620767386.3U CN201620767386U CN205882039U CN 205882039 U CN205882039 U CN 205882039U CN 201620767386 U CN201620767386 U CN 201620767386U CN 205882039 U CN205882039 U CN 205882039U
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- CN
- China
- Prior art keywords
- battery
- breathable
- vent
- air
- current collector
- 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.)
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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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a battery collector body and alkaline battery, including the sealing washer subassembly, negative pole bottom and conductor nail, the sealing washer subassembly includes the central cylinder of cartridge conductor nail, and the battery case inner wall closely the laminating the peripheral part and lie in the connecting portion between central cylinder and the peripheral part, be provided with the bleeder vent on the connecting portion, in the bleeder vent occasionally the lateral part be provided with ventilative thin slice or the breathable film who makes by expanded polytetrafluoroethylene or polytetrafluoroethylene composite material, ventilative thin slice or breathable film prevent the inside alkaline liquid of battery outwards to be reserved from the bleeder vent, its advantage is that the adoption is the ventilative thin slice of expanded polytetrafluoroethylene or polytetrafluoroethylene composite material preparation or the bleeder vent in the breathable film combined sealing circle substitutes the weak layer in traditional sealing washer, utilize the polytetrafluoroethylene alkali -resistant, the utility model is high temperature resistant, an, the most ageing advantage makes the life -span greatly increased of collector body in the plastics. Utilize the gas permeability that polytetrafluoroethylene is good simultaneously, go out the gas release of the inside gradual production of battery, make that the battery is inside not to be produced gas and pile up.
Description
Technical field
This utility model relates to a kind of cell sealing and blast resistance construction, especially relates to battery current collector and alkaline battery.
Background technology
Alkaline battery plays the structure of sealing function and includes battery bottom, is positioned at the sealing ring inside battery bottom and institute
State bottom to be integrated and through the conductive nail of newel of sealing ring and the outer surface box hat of battery, and described box hat utilizes it
Together with bottom is sealed by the crimping force at edge with the edge of sealing ring.
Generally, the sealing ring of alkaline battery is that the plastics having and having certain resilience are made, such as PP and nylon, Ke Yishi
Nylon66 fiber, NYLON610, nylon 612, nylon 1010.
Battery is during long term storage and using, in making battery because of reasons such as the self discharge of battery cathode, impurity liberations of hydrogen
Air pressure increase.In order to make cell safety use, the sealing ring of present alkaline battery be substantially designed with thickness about 0.1～
The weak floor of 0.3mm.Weak floor and sealing ring single injection-molded.
PP or nylon material are the most aging in alkali liquor, and the catabiosis on weak floor surface can show even more serious, and
And owing to inside battery air pressure makes the sealing ring moment of battery bear an outside stress, this can cause the weak floor of sealing ring
Accelerated ageing.If meeting severe external environment condition, such as high temperature, high humidity, sealing ring weak floor aging even more serious.
After sealing ring weak floor can not bear cell internal pressure, weak floor will break, inside battery gas and electricity
The electrolyte in pond will discharge in battery, and such alkaline battery occurs as soon as leakage.
In the past, we were generally by reducing gas generated (adjust house formulations, reduce impurity introducing etc.), sealing ring
The scheme such as protective rubber, change sealing ring material that is coated with at weak floor realizes the lifting of leakageresistance after it stores.
Utility model content
Technical problem to be solved in the utility model is to provide one and can discharge inside battery gas constantly
Battery current collector, it is to avoid the increase of inside battery air pressure, the solution leakage of inside battery can be prevented again simultaneously.This practicality is new
The further technical problem of type is to provide a kind of alkaline battery being provided with above-mentioned battery current collector.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: battery colelctor electrode, including sealing ring group
Part, cathode bottom cover and conductor nail, seal ring assembly includes that the center column that plug-in mounting conductor is followed closely fits tightly with battery case inwall
Peripheral part and connecting portion between center column and peripheral part, it is characterised in that be provided with ventilative on described connecting portion
Hole, the centre of described air-vent or sidepiece are provided with the breathable lamina or breathable films being made up of politef, described
Breathable lamina or breathable films stop the alkalies of inside battery outwards to reserve from air-vent.It can also be expanded PTFE
Or ptfe composite is fabricated to thin slice or form of film, simple in processing technique.
The further preferred version of this utility model is: described breathable lamina or breathable films attach and be fixed on ventilative
The inner side in hole or outside.Air-vent is sealed by breathable lamina or breathable films, prevents the solution leakage of inside battery from going out, and
And the gas of inside battery is by breathable lamina or breathable films discharge, prevents inside battery air pressure excessive.This utility model enters
The preferred version of one step is: described seal ring assembly includes sealing ring and lower seal, and described air-vent is by lower seal
First air-vent of circle and the second air-vent composition of upper sealing ring, the first described air-vent and the alignment of the second air-vent, institute
The breathable lamina stated or breathable films are crushed between described upper sealing ring and lower seal.Breathable lamina or breathable films energy
Entirely between upper sealing ring and lower seal, on the premise of ensureing good air permeability, electrolyte inside can be prevented
Seepage.
The further preferred version of this utility model is: described center column is positioned in lower seal, described periphery
Portion is positioned in lower seal.
The further preferred version of this utility model is: described breathable lamina or the inner of breathable films extend to center
The outer wall of cylinder, described breathable lamina or the outer end of breathable films extend to the inwall of peripheral part.
The further preferred version of this utility model is: described breathable lamina or the Air permenbility of breathable films are 60-
80L/㎡.S。
Described breathable lamina or the thickness of breathable films are 0.01～3.
The further preferred version of this utility model is: lobe that described upper sealing ring includes having centre bore and with
The round plate that lobe is connected, multiple second air-vents are distributed on described round plate.
The further preferred version of this utility model is: use between described upper sealing ring, breathable lamina and lower seal
The fluid sealant of alkali resistance seals further.The electrolyte making inside battery will not leak.
The further preferred version of this utility model is: alkaline battery, it is characterised in that include the arbitrary institute of claim 1-7
The battery current collector stated
Compared with prior art, the utility model has the advantages that the breathable lamina using politef to make or ventilative thin
Film combines the air-vent in sealing ring to substitute the weak floor in conventional seals circle, utilize politef alkali resistant, high temperature resistant, mould
Most being difficult to aging advantage in material makes the life-span of collector body be greatly increased.In traditional handicraft, because inside battery gas cannot obtain
To release, control interior gas amount and become the bottleneck of alkaline battery development.One comes raw-material degree of purity, box hat and conductive nail
Plated layer compact degree, production process cleannes, production equipment and materials and wearability require the highest, and this just considerably increases former material
Material cost and production management's cost, product quality is affected the biggest by human factors.Two in order to make internal gas generation amount little, really
Protect the safety of battery, the resistance to ag(e)ing of sealing member, the resistance to leakage of battery, it has to reduce the content of active substance, or add
Entering a little inhibitor, this has just limited to the raising of battery electrical property.This utility model utilizes the breathability that politef is good, will
The gas that inside battery slowly produces discharges, and makes inside battery not produce gas and piles up.The stress so making sealing ring subtracts
Little, catabiosis reduces.And air pressure inside is greatly reduced, the safety of battery explosion phenomenon, beneficially battery will not be produced
Can, also break the obstruction condition of the raising of battery electrical property.This utility model is to raw-material degree of purity, box hat with lead simultaneously
Electricity nail plated layer compact degree, production process cleannes, production equipment and materials and wearability require all to be substantially reduced, and reduce cost, for
Enterprise creates bigger profit.
Accompanying drawing explanation
Fig. 1 is the sectional view of alkaline battery of the present utility model；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the sectional view of lower seal of the present utility model；
Fig. 4 is the axonometric chart of lower seal of the present utility model；
Fig. 5 is the sectional view of upper sealing ring of the present utility model；
Fig. 6 is the axonometric chart of upper sealing ring of the present utility model；
Fig. 7 is the axonometric chart of breathable lamina of the present utility model or breathable films；
Fig. 8 is the sectional view of cathode bottom cover of the present utility model and conductive nail；
Fig. 9 is the axonometric chart of cathode bottom cover of the present utility model and conductive nail.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Battery colelctor electrode, follows closely 3 including seal ring assembly 1, cathode bottom cover 2 and conductor, and seal ring assembly 1 includes plug-in mounting conductor
The center column 4 of nail 3 and the peripheral part 6 that fits tightly of battery case 5 inwall and between center column 4 and peripheral part 6
Connecting portion 7, connecting portion 7 is provided with air-vent 8, the centre of air-vent 8 or sidepiece be provided with by politef make saturating
Gas thin slice or breathable films 9, breathable lamina or breathable films 9 stop the alkalies of inside battery outwards to reserve from air-vent 8.Thoroughly
Gas thin slice or breathable films 9 attach and are fixed on inner side or the outside of air-vent 8.Seal ring assembly 1 includes lower seal 11 He
Upper sealing ring 12, air-vent 8 is made up of the first air-vent 81 of lower seal 11 and the second air-vent 82 of upper sealing ring 12, the
One air-vent 81 and the second air-vent 82 align, and breathable lamina or breathable films 9 are crushed on lower seal 11 and upper sealing ring 12
Between.Breathable films or breathable lamina can also be expanded PTFE or ptfe composite is made.
Center column 4 is positioned in lower seal 11, and peripheral part 6 is positioned in lower seal 11.
The inner of breathable lamina or breathable films 9 extends to the outer wall of center column 4, breathable lamina or breathable films 9
Outer end extends to the inwall of peripheral part 6.Breathable lamina or breathable films 9 can also be expanded PTFE or politef
Composite is made, and it is holey, has certain porosity.These little boring ratio hydrones of this material are little, compare gas
Molecule is big, simultaneously in irregular alignment, is the material of permeable watertight.
Alkaline battery, including the battery current collector of said structure.
Lower seal 11 of the present utility model once can be noted by the thermoplastic macromolecule material with certain resilience
Molded prepared.Breathable lamina that expanded PTFE or ptfe composite are made or thin film 9, centre bore is outward
Footpath is slightly larger than the circular hole of the center column external diameter of lower seal.Thin slice or thin film 9 area must cover the first of lower seal 11
Air-vent 81, its thickness sets according to every kind of battery and material behavior situation, selects between 0.01 to 3, preferably 2
㎜。
Politef is the king of plastics, but its cannot injection mo(u)lding, this utility model thin slice or thin film 9 structure letter
Single, the various facility of processing mode, with low cost.The electrical insulating property of politef is good, heatproof span is big, compression resilience is good non-
Often it is suitable for making battery seal.And its have excellent chemical stability, corrosion resistance and good ageing resistance,
(can long-term work at a temperature of+250 DEG C to-180 DEG C), it is the most extremely difficult aging that this makes it be placed in inside battery for a long time.Institute simultaneously
The poly tetrafluoroethylene of choosing or sheet permeable watertight, the gas slowly produced by inside battery discharges, and makes inside battery not
Generation gas is piled up.So stress of seal ring assembly reduces, and catabiosis reduces.And air pressure inside is greatly reduced, will not
Produce battery explosion phenomenon and be conducive to security performance.
Upper sealing ring 12 includes and has the lobe 121 longitudinally through centre bore, the round plate being connected with lobe 121
122, the second air-vent 82 that round plate 122 relative with lower seal 11 runs through longitudinal it is located at.Lower seal 11 newel
Body 4 is embedded in the centre bore of sealing ring 12, and this makes the center column 4 of lower seal 11 add the active force of conductive nail 3
By force, sealing effectiveness is more preferable.
Upper sealing ring 12 material requires wide in range, can be macromolecular material or metal material.Its thickness is according to the intensity of material
Different and different.Generally speaking use rigidity to be slightly better than the material of lower seal, not only act as sealing function, more play certain
Supporting role.
For making sealing effectiveness good, make at upper sealing ring 12, expanded PTFE or ptfe composite
Breathable lamina 9, the fluid sealant of available alkali resistance seals further between lower seal 11.
Being cathode bottom cover 2 on upper sealing ring 12, cathode bottom cover 2 is rotary body, can be one time punching molded by steel band, its
Including intermediate lands, periphery horizontal plane and the passage being arranged at boss side surfaces.Its center is connected with conductive nail 3.At collector body
In assembling process, conductive nail 3 is inserted in lower seal 12 centre bore, and cathode bottom cover is embedded into outside sealing ring and lower seal
In the caulking groove that perimembranous is constituted.
In battery forming process, by bending edge curling seal, each for above-mentioned collector body member in tight is pressed in groove groove top
And between box hat oral area bending part.Alkaline-resisting fluid sealant is scribbled outside lower seal peripheral part and between box hat inwall.
Claims (10)
1. battery current collector, follows closely including seal ring assembly, cathode bottom cover and conductor, and seal ring assembly includes in plug-in mounting conductor nail
The peripheral part that stem body and battery case inwall fit tightly and the connecting portion between center column and peripheral part, it is special
Levying and be on described connecting portion to be provided with air-vent, centre or the sidepiece of described air-vent are provided with by politef system
The breathable lamina become or breathable films, described breathable lamina or breathable films stop the alkalies of inside battery from air-vent to
Reserve outward.
Battery current collector the most according to claim 1, it is characterised in that described breathable lamina or breathable films attach also
It is fixed on inner side or the outside of air-vent.
Battery current collector the most according to claim 1, it is characterised in that described seal ring assembly include sealing ring and
Lower seal, described air-vent is made up of the first air-vent of lower seal and the second air-vent of upper sealing ring,
The first described air-vent and the alignment of the second air-vent, described breathable lamina or breathable films are crushed on described upper close
Between seal and lower seal.
Battery current collector the most according to claim 3, it is characterised in that described center column is positioned in lower seal,
Described peripheral part is positioned in lower seal.
Battery current collector the most according to claim 4, it is characterised in that described breathable lamina or the inner of breathable films
Extending to the outer wall of center column, described breathable lamina or the outer end of breathable films extend to the inwall of peripheral part.
Battery current collector the most according to claim 1, it is characterised in that described breathable lamina or breathable films ventilative
Amount is 60-80L/ .S.
Battery current collector the most according to claim 1, it is characterised in that described breathable lamina or the thickness of breathable films
It is 0.01～3.
Battery current collector the most according to claim 3, it is characterised in that described upper sealing ring includes having centre bore
Lobe and the round plate being connected with lobe, multiple second air-vents are distributed on described round plate.
Battery current collector the most according to claim 3, it is characterised in that described upper sealing ring, breathable lamina and lower seal
Seal further with the fluid sealant of alkali resistance between circle.
10. alkaline battery, it is characterised in that include the arbitrary described battery current collector of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767386.3U CN205882039U (en) | 2016-07-18 | 2016-07-18 | Battery collector body and alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767386.3U CN205882039U (en) | 2016-07-18 | 2016-07-18 | Battery collector body and alkaline battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882039U true CN205882039U (en) | 2017-01-11 |
Family
ID=57698531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620767386.3U Active CN205882039U (en) | 2016-07-18 | 2016-07-18 | Battery collector body and alkaline battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058120A (en) * | 2016-07-18 | 2016-10-26 | 中银（宁波）电池有限公司 | Battery current collector and alkaline battery |
-
2016
- 2016-07-18 CN CN201620767386.3U patent/CN205882039U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058120A (en) * | 2016-07-18 | 2016-10-26 | 中银（宁波）电池有限公司 | Battery current collector and alkaline battery |
| CN106058120B (en) * | 2016-07-18 | 2018-08-31 | 中银（宁波）电池有限公司 | Battery current collector and alkaline battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |