CN105789499B - A kind of alkaline battery sealing ring - Google Patents
A kind of alkaline battery sealing ring Download PDFInfo
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- CN105789499B CN105789499B CN201610264545.2A CN201610264545A CN105789499B CN 105789499 B CN105789499 B CN 105789499B CN 201610264545 A CN201610264545 A CN 201610264545A CN 105789499 B CN105789499 B CN 105789499B
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- Prior art keywords
- battery
- sealing ring
- explosion
- proof valve
- alkaline
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- 238000007789 sealing Methods 0.000 title claims abstract description 113
- 239000000463 material Substances 0.000 claims description 12
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 7
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 230000035882 stress Effects 0.000 description 11
- 230000005611 electricity Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920000572 Nylon 6/12 Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910002640 NiOOH Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance 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
- H01M50/183—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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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 present invention provides a kind of alkaline battery sealing ring, the sealing ring is between battery bottom cover, newel and battery case, and for closing alkaline battery, the newel is located at the center of sealing ring, is disposed with explosion-proof valve on the sealing ring；The explosion-proof valve is the weak groove on sealing ring along newel direction, and the weakness groove opening is in sealing ring close to the side of battery bottom cover；The explosion-proof valve is uniformly or non-uniformly arranged on sealing ring；The shape of the weakness groove is linear type or " V " font or "U" shaped or " Y " font.
Description
Technical field
The present invention relates to a kind of alkaline batteries, and in particular to a kind of alkaline battery sealing ring.
Background technique
With the development of our countries, the living standard of the people is continuously improved, and the environmental protection consciousness of people constantly enhances,
People more and more use the alkaline battery of green non-pollution.Alkaline battery has following several big relative to traditional carbon battery
Advantage: (1) high power discharge performance is good, and alkaline battery uses 5 times or more that the time is carbon battery；(2) low temperature performance
It is good, it can also work in minus 20 degrees alkaline battery, and carbon battery just almost can not put electricity in zero degree or so；(3) alkaline battery
The utilization rate of middle active material is greater than carbon battery, is conducive to the reasonable utilization of resource；(4) alkaline battery does not contain any huge sum of money
Belong to, is green non-pollution battery, and carbon battery then has a small amount of mercury chloride is added as corrosion inhibiter, thus have centainly to environment
Pollution；(5) self-discharge of battery is small, and less than 5%, three year capacitance loss of 1 year capacitance loss is stored under conditions of 20 degree and is less than
10%.
Although alkaline battery sales volume increases, some problems are exposed, such as: the explosion of battery leakage problem, battery is asked
Topic etc..In addition, requirement of the consumer to alkaline battery is also higher and higher, such as: it is required that cell discharge performance is continuously improved, it is desirable that
Battery price reduction etc..
For the leakage problem of alkaline battery, each battery producer situation is all different, and good producer is within the battery shelf-life
It is not in leakage.Although leakage will not cause big injury to consumer, the purchase again of consumer will affect.One
Battery leakage fills perhaps under a little special occasions, if battery is installed incorrectly, battery charges, new used batteries are used in mixed way, still
Battery should not explode in any condition.There is explosion-proof valve on the sealing ring of alkaline battery under normal circumstances, it is right
In the shape of explosion-proof valve and position, each producer is also not necessarily identical, but explosion-proof valve is the most weak place of sealing ring.Why
Alkaline battery will have explosion-proof valve to be that some consumers are incorrect in order to prevent can be such that cell internal pressure increases using battery,
At this moment the explosion-proof valve on battery seal ring will be broken through first, and inside battery gas is released, to avoid battery
Explosion.
Since the probability that battery leakage occurs is much larger than explosion, thus some producers more pay close attention to the leakage problem of battery,
Battery seal ring be designed without plus explosion-proof valve or explosion-proof valve design it is unreasonable, when explosion-proof valve needs to open, without
It is normal to open.Such battery leakproof can well, but explosion-proof performance does not ensure.There is the anti-of concern battery in some producers
Quick-fried property, but the leakproof of possible battery can be again very poor.
Therefore it is directed to the above problem and consumer demand of alkaline battery, needs a kind of preventing liquid leakage performance that can be improved
With the alkaline battery of explosion-proof performance.
Summary of the invention
The present invention provides a kind of alkaline battery sealing ring, the sealing ring is located at battery bottom cover, newel and battery case
Between body, for closing alkaline battery, the newel is located at the center of sealing ring, is disposed on the sealing ring explosion-proof
Valve；The explosion-proof valve is the weak groove on sealing ring along newel direction, and the weakness groove opening is in sealing ring close to electricity
The side of bottom of pond lid；The explosion-proof valve is uniformly or non-uniformly arranged on sealing ring；The shape of the weakness groove is " one "
Font or " V " font or "U" shaped or " Y " font.
Preferably, it is blind hole that cross-sectional shapes are " V " shape or " u "-shaped that the weak groove is horizontal.
Preferably, the number of the explosion-proof valve is 1-5.
It is highly preferred that the number of the explosion-proof valve is 2-5.
Preferably, the sealing ring is 0.3mm-1.0mm in the thickness range without weak grooved position, is there is weak groove
Position with a thickness of 0.05-0.25mm.
It is highly preferred that the sealing ring is 0.4mm-0.8mm in the thickness range without weak grooved position, there is weak ditch
Groove location with a thickness of 0.05-0.15mm.
Preferably, the injected plastics material of the sealing ring is selected from: nylon66 fiber, nylon 610, nylon 612 or PP.
Preferably, the injection temperature of the sealing ring is 200-320 DEG C
Preferably, the sealing ring is between battery bottom cover and battery case, for closing alkaline battery, the cathode
Seal body further includes the opening portion of battery case, battery cathode end, negative current collector.
Preferably, the sealing ring is between battery bottom cover and battery case, for closing alkaline battery, the alkali
Property battery further include: battery bottom cover, battery steel shell, battery separation layer, battery cathode collector, anode, battery cathode, electricity
Solve liquid.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage are by the as follows of embodiment through the invention
Description is illustrated, in which:
Fig. 1 is the structural schematic diagram of alkaline battery in the prior art；
Fig. 2 (a) is the sectional view of battery cathode seal body in the prior art；
Fig. 2 (b) is stress schematic diagram suffered by the sealing ring and explosion-proof valve in Fig. 2 (a)；
Fig. 2 (c) is the top view of battery seal ring in the prior art；
Fig. 2 (d) is the bottom view of battery seal ring in the prior art；
Fig. 3 (a) is the sectional view of alkaline battery cathode seal body of the invention；
Fig. 3 (b) is the top view of a specific embodiment of alkaline battery sealing ring of the invention；
Fig. 3 (c) is the bottom view of a specific embodiment of alkaline battery sealing ring of the invention.
Fig. 4 is the top view of the sealing ring of first embodiment of the invention.
Fig. 5 is the top view of the sealing ring of second embodiment of the invention.
Fig. 6 is the top view of the sealing ring of third embodiment of the invention.
Fig. 7 is the top view of the sealing ring of fourth embodiment of the invention.
Specific embodiment
By reference to exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to exemplary embodiment as disclosed below；Can by different form come
It is realized.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding detail of the invention.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the present invention.
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents identical
Or similar component or same or like step.
For the shell of alkaline battery before sealing, outer diameter positions all more other than battery in opening portion are big, and battery seal ring is again than electricity
The internal diameter of pond opening portion is slightly larger, and the opening portion of such sealing ring insertion battery case would not pop up, and rolls up later to battery
Side, battery opening portion edge to the bending of battery case center, the opening portion edge shell being bent over consolidates battery seal ring
It is scheduled on inside battery.Battery next process after crimping is to stretch, and since the outer diameter of battery opening portion is greater than cell outside diameter, is led to
Overstretching narrows down to battery opening portion big as cell outside diameter, and the outer diameter of sealing ring is greater than battery internal diameter, so after stretching
Sealing ring is realized the sealing to battery by compression.The alkaline battery production line of current major battery producer produces alkaline electro
The speed in pond all quickly, usually 300/minute -700/minutes, then each battery realizes that the process stretched is very short
, it is only necessary to 1 second to 2 seconds time can complete, certain impact force that sealing ring is subject in drawing process.Many producers
The explosion-proof valve of sealing ring is located at the outer ring of battery center column, and the sealing ring stress deformation when battery stretches is sealed in outside newel
The explosion-proof valve of circle also accordingly has certain impact power, this impact force can make the explosion-proof valve of sealing ring impaired, the degree of damage
Greatly, battery production comes out and is easy for leakage situation occur, and degree of injury is small, and possible battery storage just leaks after for a period of time
Liquid.In addition, due to after battery seal sealing ring centainly compressed, the sealing of compression can make explosion-proof valve by certain stress,
During storage, the explosion-proof valve for being constantly subjected to stress is easier to be broken because of aging battery, to make battery that electrolyte occur
It is leaked from explosion-proof valve fracture position.
The electrolyte of alkaline battery is strong alkaline aqueous solution, and the sealing ring of alkaline battery is mainly PP (polypropylene
Polypropylene) and nylon66 fiber, nylon 610, nylon 1010.Since alkaline battery raw material are not exclusively pure, battery steel shell electroplated layer
Not fine and close enough, in addition, the environment of production can also introduce some impurity, these impurity are mainly iron, copper, nickel, molybdenum etc., and hydrogen is easy
It is precipitated in these contaminant surfaces, so that the air pressure in battery be made to increase.In addition, these impurity can also be with anode and cathode
Active matter forms a micro cell, can also generate hydrogen.The tolerance generated inside the alkaline battery of different battery producer production
Different, good producer, material purity pass through strict control, and production process is rigid in checking up, and the tolerance generated in battery can be small
Very much, but can not prevent.Due to inevitably generating gas inside alkaline battery, the pressure of inside battery can be greater than big
Atmospheric pressure, the sealing ring of battery, moment bear an outside stress；In addition, after sealing ring explosion-proof valve is also stretched by battery
The stress that cell deformation is subject to, damage sealing ring explosion-proof valve meeting accelerated ageing, after sealing ring cannot bear cell internal pressure,
Sealing ring will be broken, and the electrolyte of inside battery gas and battery will be released out of battery, and such battery occurs as soon as
Leakage.On the other hand, sealing ring material nylon and PP react in which also will be slow under strongly alkaline conditions, make the intensity of material
It dies down and becomes fragile, along with the gas pressure in battery is bigger and sealing ring explosion-proof valve is also by sealed ring deformation behind battery drawing Shen
The stress being subject to and damage, just more there is leakage to battery in capacity.
The present invention redesigns ring structure, sealing ring explosion-proof valve is avoided to stretch by a large number of experiments
Process be damaged and battery stretch after explosion-proof valve not will receive sealed ring deformation generation stress, to improve alkaline battery
Preventing liquid leakage performance.
Alkaline battery structure in the prior art is as shown in Figure 1, specifically include that (1) battery bottom cover 101, i.e., battery is negative
Extremely.For being connected with external electrical appliance, turn-on battery internal electron；(2) battery seal ring 102, be located at battery bottom cover and
Between battery case, it is used for sealed cell, prevents inside battery strong alkaline electrolytes liquid from leaking out, while playing insulating effect, is prevented
Only anode and cathode short circuit.(3) battery case 103, the i.e. positive terminal of the container of battery and battery.(4) battery separation layer
104, for the active matter of anode and cathode to be isolated, prevent internal short-circuit of battery.(5) battery cathode collector 105, is used for
Collect the electronics that battery cathode generates, and the negative pole end of the electronic conduction battery collection.(6) anode 106, it is mainly electric
The positive active material and conductive material in pond, active material are mainly Mn02, NiOOH, AgO either above-mentioned oxide mixing
Object.(7) battery cathode 107, mainly negative electrode active material, binder, protect fluid and KOH electrolyte.Negative electrode active material is main
It is that the substance that alloy zinc powder and zinc form alloy has one or more of elements such as indium, bismuth, aluminium, calcium.(8) electrolyte.Electrolysis
Liquid is distributed in the separation layer of the anode of battery, cathode and battery, plays the role of ionic conduction in inside battery, main matter is
Concentration is 29% to 40%KOH aqueous solution, simultaneously containing a small amount of corrosion inhibiter for preventing zinc powder from corroding.
In the prior art, shown in the structure of alkaline battery cathode seal body such as Fig. 2 (a), Fig. 2 (a) is electric in the prior art
The sectional view of pond cathode seal body, alkaline battery cathode seal body include: the opening portion 201 of battery case, battery cathode end
202, sealing ring 203, newel 204, negative current collector 205, explosion-proof valve 206.Wherein, newel 204 is located in sealing ring
Center portion position, explosion-proof valve 206 are located at next to the outer ring of newel.Fig. 2 (b) is to answer suffered by sealing ring and explosion-proof valve in Fig. 2 (a)
Power schematic diagram it can be seen that, can carry out crimping to battery opening portion edge first during cell sealing from Fig. 2 (b),
Sealing ring 203 is subject to the power of the direction a compression.Next process after crimping is to stretch, outer due to battery opening portion
Diameter is greater than cell outside diameter, by stretch battery opening portion narrowed down to it is big as cell outside diameter, in above process, explosion-proof valve
206 will receive downward (direction b) or the upwards stress in (direction c).Fig. 2 (c) is the top view of battery seal ring in the prior art；
Fig. 2 (d) is the bottom view of battery seal ring in the prior art, and wherein the position d is the position of explosion-proof valve.By Fig. 2 (a)-Fig. 2 (d)
It is found that the opening portion of the explosion-proof valve of alkaline battery is located remotely from the side at battery cathode end in the prior art.
Shown in sectional view such as Fig. 3 (a) of the alkaline battery cathode seal body of a specific embodiment of the invention, comprising:
The opening portion 306 of battery bottom cover 301, sealing ring 302, newel 303, negative current collector 304, explosion-proof valve 305, battery case.
Sealing ring 302 is located between the opening portion 306 of battery bottom cover 301, newel 303 and battery case, for closing alkaline battery,
Newel 303 is located at the center of sealing ring 302.The injected plastics material of sealing ring are as follows: nylon66 fiber, nylon 610, nylon 612 or
PP.Explosion-proof valve 305 is disposed on sealing ring 302.Sealing ring 302 with a thickness of 0.3mm-1.0mm, preferably 0.4mm-0.8mm.It is anti-
Quick-fried valve 305 is the weak groove on sealing ring 302 along 303 direction of newel, and explosion-proof valve is opening " V " font in the present embodiment
Weak groove (shown in such as Fig. 3 (b)), is opened on sealing ring 302 close to the side of battery bottom cover 301.The quantity of explosion-proof valve 305 is
At least one, can uniformly or non-uniformly be arranged on sealing ring 302 by preferably 2-5.The shape of weak groove can also be
Linear type or "U" shaped or " Y " font.Weak groove transverse cross-sectional shape is the blind hole of " V " shape or " u "-shaped, and thickness range is
0.05-0.25mm, preferably 0.05-0.15mm.Fig. 3 (b) is the top view of sealing ring in Fig. 3 (a).Fig. 3 (c) is close in Fig. 3 (a)
The bottom view of seal.By Fig. 3 (b), 3 (c) it is found that the explosion-proof valve of alkaline battery sealing ring of the invention be opened on it is negative close to battery
The extremely side of (battery bottom cover), this is opposite with the position of the explosion-proof valve of the prior art.
Illustrate the positional structure of alkaline battery sealing ring of the invention by specific embodiment below.
Embodiment 1
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature control are 200-320 DEG C.Sealing ring is explosion-proof
Valve use the explosion-proof valve seals of " | " shape, explosion-proof valve with a thickness of 0.1mm.It is assembled into LR6 battery with the sealing ring, electricity
It is 1# that pond, which is compiled,.Fig. 4 is the top view of the sealing ring of first embodiment of the invention.
Embodiment 2
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature control are 200-320 DEG C.Sealing ring is explosion-proof
Valve use two explosion-proof valve seals of " | " shape, explosion-proof valve with a thickness of 0.1mm.It is assembled into LR6 battery with the sealing ring, electricity
It is 2# that pond, which is compiled,.Fig. 5 is the top view of the sealing ring of second embodiment of the invention.
Embodiment 3
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature control are 200-320 DEG C.Sealing ring is anti-
Quick-fried valve use three explosion-proof valve seals of " | " shape, explosion-proof valve with a thickness of 0.1mm.It is assembled into LR6 battery with the sealing ring,
It is 3# that battery, which is compiled,.Fig. 6 is the top view of the sealing ring of third embodiment of the invention.
Embodiment 4
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature control are 200-320 DEG C.Sealing ring is explosion-proof
Valve use four explosion-proof valve seals of " | " shape, explosion-proof valve with a thickness of 0.1mm.It is assembled into LR6 battery with the sealing ring, electricity
It is 4# that pond, which is compiled,.Fig. 7 is the top view of the sealing ring of fourth embodiment of the invention.
Embodiment 5
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature control are 200-320 DEG C.Sealing ring is explosion-proof
Valve use two " V " character form structures explosion-proof valve seals, explosion-proof valve with a thickness of 0.1mm.LR6 electricity is assembled into the sealing ring
Pond, it is 6# that battery, which is compiled,.Fig. 3 (b) is the top view of the sealing ring of fifth embodiment of the invention.The wherein opening of " V " character form structure
Angular range is 20-150 degree, preferably 45-90 degree.
Embodiment 6
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature control are 200-320 DEG C.Sealing ring is explosion-proof
Valve uses old ring structure, and anti-explosion valve structure is "○" shape, and explosion-proof valve is located at next to the periphery of sealing ring newel, prevents
Quick-fried valve with a thickness of 0.1mm.It is assembled into LR6 battery with the sealing ring, it is 6# that battery, which is compiled,.Fig. 2 (d) is sixth embodiment of the invention
Sealing ring bottom view.
100 each embodiment batteries are taken, battery is placed on 60 DEG C, is examined in the baking oven of 90% humidity, record leakage
The quantity of solution battery and time.
It is 60 DEG C from battery storage condition, is tested under conditions of 90% humidity, the result of appraisal is it can be seen that using new
The sealing ring (embodiment 1-5) of design changes structure and the position of original sealing ring explosion-proof valve, and explosion-proof valve position is towards sealing ring
The direction at center, and be distributed between sealing circle center and sealing ring edge, battery seal would not with impact force when stretching
Explosion-proof valve is caused to damage, sealing ring is compressed after the completion of battery seal, and the sealing ring of compression can generate stress, the stress pair
The effect of explosion-proof valve is also to be preferably minimized, therefore the sealing ring of new construction can protect the explosion-proof valve of sealing ring well, can prolong
The ageing time of long explosion-proof valve can effectively improve the leakproof energy of battery storage phase.60 DEG C of battery, 90% humidity, examination 40
, there is not leakage battery using the sealing ring of 1#-5# new construction in it, and the battery of old sealing structure circle is used to have 18 to go out
Existing leakage.60 days, the leakage rate of 1#-5# battery used the battery leakage rate of the sealing ring of old structure to reach all within 3%
45%, much higher than the sealing ring of new construction.So the sealing ring of new construction can effectively improve the leakproof of battery storage phase
Can, so that battery preventing liquid leakage performance be made to improve 40% or more.Xinmi City's seal is used for other alkaline batteries such as LR20, LR4, LR03
Deng also there is equivalent effect.
In conjunction with the explanation and practice of the invention disclosed here, the other embodiment of the present invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is regarded only as being exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (8)
1. a kind of alkaline battery sealing ring, the sealing ring is between battery bottom cover, newel and battery case, for closing
Alkaline battery, the newel are located at the center of sealing ring, are disposed with explosion-proof valve on the sealing ring；
The explosion-proof valve is the weak groove of level on sealing ring along the radial direction of newel, and the weakness groove opening is in close
Seal is close to the side of battery bottom cover；
The explosion-proof valve is uniformly or non-uniformly arranged on sealing ring；
The shape of the weakness groove is linear type or " V " font or "U" shaped or " Y " font,
Wherein, it is 0.4mm-0.8mm in the thickness range without weak grooved position when the sealing ring, then is having weak ditch slot position
Set with a thickness of 0.05-0.15mm.
2. battery seal ring as described in claim 1, the weakness groove transverse cross-sectional shape is the blind hole of " V " shape or " u "-shaped.
3. battery seal ring as described in claim 1, the number of the explosion-proof valve is 1-5.
4. battery seal ring as claimed in claim 3, the number of the explosion-proof valve is 2-5.
5. the injected plastics material of battery seal ring as described in claim 1, the sealing ring is selected from: nylon66 fiber, nylon 610, Buddhist nun
612 or PP of dragon.
6. battery seal ring as described in claim 1, the injection temperature of the sealing ring is 200-320 DEG C.
7. a kind of cathode seal body comprising battery seal ring as described in claim 1, the sealing ring are located at battery bottom cover
Between battery case, for closing alkaline battery, the cathode seal body further includes the opening portion of battery case, battery cathode
End, negative current collector.
8. a kind of alkaline battery comprising battery seal ring as described in claim 1, the sealing ring be located at battery bottom cover and
Between battery case, for closing alkaline battery, the alkaline battery further include: battery bottom cover, battery steel shell, battery isolation
Layer, battery cathode collector, anode, battery cathode, electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264545.2A CN105789499B (en) | 2016-04-26 | 2016-04-26 | A kind of alkaline battery sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264545.2A CN105789499B (en) | 2016-04-26 | 2016-04-26 | A kind of alkaline battery sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105789499A CN105789499A (en) | 2016-07-20 |
| CN105789499B true CN105789499B (en) | 2019-08-13 |
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ID=56398618
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264545.2A Active CN105789499B (en) | 2016-04-26 | 2016-04-26 | A kind of alkaline battery sealing ring |
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| Country | Link |
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| CN (1) | CN105789499B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6986346B2 (en) * | 2016-12-19 | 2021-12-22 | Fdk株式会社 | Cylindrical alkaline battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108792A (en) * | 1985-01-08 | 1986-11-05 | 美商贝洛特公司 | Electromagnetic extended nip press |
| CN201408790Y (en) * | 2009-04-14 | 2010-02-17 | 四川长虹电器股份有限公司 | Sealing ring of alkaline-manganese battery |
| CN205666264U (en) * | 2016-04-26 | 2016-10-26 | 福建南平南孚电池有限公司 | Alkaline battery sealing ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2981418B2 (en) * | 1995-10-25 | 1999-11-22 | 富士電気化学株式会社 | Alkaline battery |
-
2016
- 2016-04-26 CN CN201610264545.2A patent/CN105789499B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108792A (en) * | 1985-01-08 | 1986-11-05 | 美商贝洛特公司 | Electromagnetic extended nip press |
| CN201408790Y (en) * | 2009-04-14 | 2010-02-17 | 四川长虹电器股份有限公司 | Sealing ring of alkaline-manganese battery |
| CN205666264U (en) * | 2016-04-26 | 2016-10-26 | 福建南平南孚电池有限公司 | Alkaline battery sealing ring |
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| CN105789499A (en) | 2016-07-20 |
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