CN202434588U - Mercury-free and lead-free button cell - Google Patents
Mercury-free and lead-free button cell Download PDFInfo
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- CN202434588U CN202434588U CN2011204886723U CN201120488672U CN202434588U CN 202434588 U CN202434588 U CN 202434588U CN 2011204886723 U CN2011204886723 U CN 2011204886723U CN 201120488672 U CN201120488672 U CN 201120488672U CN 202434588 U CN202434588 U CN 202434588U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a mercury-free and lead-free button cell which comprises a cathode cap, anode material, a seal ring, an anode shell, cathode material and a membrane. The anode shell is connected with the cathode cap through buckling; the seal ring is sandwiched between the anode shell and the cathode cap so as to isolate and separate the anode shell from the cathode cap; the anode material is arranged at the internal bottom of the anode shell; the membrane is arranged above the anode material; the cathode material is arranged between the cathode cap and the membrane; and an isolating unit which is used for isolating and separating the cathode material from the cathode cap and at the same time for conducting and connecting the cathode material and the cathode cap is arranged between the cathode cap and the cathode material. According to the utility model, by arranging the isolating unit between the cathode material and the cathode cap, the cathode material and the cathode cap are enabled to be isolated and separated, so inflation, liquid leakage or even explosion of the product caused by that the cathode material contacts with the cathode cap are effectively avoided. Therefore, the safety loophole is eradicated and the safety of the product during use is better.
Description
Technical field
The utility model relates to chemical power source and battery manufacturing technology art, refers in particular to a kind of unleaded button cell of mercury that do not have, and comprises alkaline zinc margunese button cell and silver oxide button cell.
Background technology
Please with reference to shown in Figure 1; The concrete structure that it has demonstrated existing button cell, include negative cover 10 ', positive electrode 20 ', sealing ring 30 ', negative material 40 ', anode cover 50 ' and be used to isolate positive electrode 20 ' and negative material 40 ' barrier film 60 '; This anode cover 50 ' with negative cover 10 ' be fastened and connected; Sealing circle 30 ' be located in anode cover 50 ' and negative cover 10 ' between, with anode cover 50 ' with negative cover 10 ' be isolated from each other and separate; This positive electrode 20 ' be arranged at anode cover 50 ' inner bottom part, this barrier film 60 ' be arranged at positive electrode 20 ' the top, this negative material 40 ' be installed in negative cover 10 ' and barrier film 60 ' between, negative material 40 ' the be unleaded calamine cream of no mercury; Generally; This negative cover 10 ' employing iron plate or other ferrous metals sheet punching out form; Negative material 40 ' evolving hydrogen reaction takes place easily with the Metal Contact of low overpotential of hydrogen evolution such as iron, therefore, for fear of negative material 40 ' with negative cover 10 ' parent metal contact and evolving hydrogen reaction take place; The unleaded button cell of existing no mercury need negative cover 10 ' the surface plate the metal of a floor height overpotential of hydrogen evolution; Usually anticathode lid 10 ' plate indium or zinc-plated processing, so as with negative material 40 ' with negative cover 10 ' the parent metal isolation separate, avoid negative material 40 ' with negative cover 10 ' parent metal contact and evolving hydrogen reaction take place.
Though the unleaded button cell of above-mentioned no mercury to a certain extent can be separated from one another with the parent metal of negative material and negative cover through the mode of on negative cover, plating indium or zinc-plated processing; But when practical application, but find still to have many deficiencies on himself structure and the serviceability; Cause the unleaded button cell of existing no mercury in practical application; Fail to reach best result of use and task performance, its shortcoming is summarized as follows at present:
At first, above-mentioned negative cover is because on the self structure, in plating indium or zinc-plated process, occurs electroplating inhomogeneous, poor plating problems such as coating is not fine and close, hole is arranged, be prone to scratch, be prone to come off, be prone to oxidation, the long whisker in plating back easily; Because the negative cover poor plating, make negative material with the Metal Contact of low overpotential of hydrogen evolution such as the parent metal of negative cover such as iron evolving hydrogen reaction take place easily, the hydrogen of evolving hydrogen reaction generation makes button cell inflatable, leakage even blast.
Secondly, above-mentioned negative cover need plate negative cover integral body one deck indium or one deck tin in plating indium or zinc-plated process; Then again because the needs on outward appearance or the function; Use the chemical medicinal liquid etch to fall on the indium layer of cathode cover exterior face or tin layer again, only keep indium layer or tin layer on the negative cover inner surface, in this production process, need discharging a large amount of or contain indium or contain chromium or the trade effluent of heavy metal ion such as cupric; Environment is polluted not environmental protection; Simultaneously,, cost an arm and a leg, make the enterprise production cost high, and the indium that etch is fallen can cause the wasting of resources, strengthen business burden because indium is rare metal.
The 3rd; The unleaded button cell of above-mentioned no mercury also exists an important disadvantages on serviceability; That be exactly battery in use especially after heavy load continuous discharge, the serious inflatable even the phenomenon of blast take place through regular meeting, potential safety hazard is very important.
In a word, prior art exists the above-mentioned critical defect that self is difficult to overcome, and need find a kind of new technical scheme to solve these problems, so that the mercuryless process of alkali button battery is safe and environmentally friendly.
The utility model content
In view of this; The utility model is to the disappearance of prior art existence; Its main purpose provides a kind of unleaded button cell of mercury that do not have, and it can effectively solve the unleaded button cell of existing no mercury exists big potential safety hazard owing to the negative cover poor plating or owing to heavy load continuous discharge problem.
Another purpose of the utility model provides a kind of unleaded button cell of mercury that do not have, and it can effectively solve the existing unleaded button cell of no mercury needs anticathode lid to plate indium or zinc-plated processing and the problem that causes not environmental protection and increase the enterprise production cost.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of do not have a unleaded button cell of mercury, include a negative cover, a positive electrode, a sealing ring, an anode cover, one and the negative material and of negative cover conducting be used to isolate the barrier film of positive electrode and negative material; This anode cover and negative cover are fastened and connected; The sealing circle is located between anode cover and the negative cover, separates so that anode cover is isolated from each other with negative cover; This positive electrode is arranged at the inner bottom part of anode cover, and this barrier film is arranged at the top of positive electrode, and this negative material is installed between negative cover and the barrier film; Be provided with between this negative cover and the negative material and be used for isolated location that negative material and negative cover are isolated from each other and separate and simultaneously negative material is connected with the negative cover conducting.
As a kind of preferred version; Said isolated location includes barrier film and collector body; This barrier film is arranged at the inner surface of negative cover and covers between the bottom or top or bottom and top of the outer ring body of negative cover; This barrier film is isolated from each other negative material and separates with negative cover, this collector body conducting is connected between negative material and the negative cover.
As a kind of preferred version, said barrier film is for passing through the material that hydrogen does not pass through the anti-highly basic of electrolyte, and this material is PP material or PVC material or PA material or PE material or PTFE material or theirs is material modified.
As a kind of preferred version, said collector body is a lead, and the two ends of this lead are connected with the outer ring body of negative cover or the pearl body conducting of negative cover respectively, and the mid portion of this lead is connected with the negative material conducting.
As a kind of preferred version, the mid portion of said lead is stretching shape and vertical with the axis of battery.
As a kind of preferred version, said collector body is an annular solid, and the cross section of this annular solid is the L type, and the bottom of this annular solid is connected with the negative material conducting, and the top of this annular solid is connected with the pearl body conducting of the outer ring body of negative cover or negative cover.
As a kind of preferred version, said collector body be not with the metal material of negative material generation evolving hydrogen reaction, this metal material is pure copper material or copper-based alloy material.
As a kind of preferred version, plating indium or zinc-plated or plating indium stannum alloy on the said collector body.
As a kind of preferred version; Said isolated location is a conducting film; This conducting film is arranged at the inner surface of negative cover and covers between the bottom or top or bottom and top of the outer ring body of negative cover; This conducting film is isolated from each other negative material and separates with negative cover, and this conducting film conducting is connected between negative material and the negative cover.
As a kind of preferred version, said conducting film is for passing through the material of conduction that hydrogen does not pass through the anti-highly basic of electrolyte, and this material is graphite-base composite material or carbon black based composites or hydrogen permeation alloy material or hydrogen permeation alloy composite material.
As a kind of preferred version, said negative cover is provided with the capillary channel that is provided with exhaust between outer ring body and the isolated location of steam vent or this negative cover.
As a kind of preferred version, said negative cover adopts iron plate or other ferrous metals sheet punching out to form, and the surface of this negative cover is coated with one deck nickel at least, and perhaps this negative cover directly adopts preplating sheet metal or laminated metal sheet punching out to form.
As a kind of preferred version, said preplating sheet metal is to add copper-plated steel band after nickel plated steel strip or the nickel plating of one side nickel plating another side.
As a kind of preferred version, said laminated metal sheet is nickel/stainless steel/nickel, or nickel/iron/nickel, or nickel/stainless steel/copper, or three layers of composite steel band of nickel/iron/copper, or nickel/stainless two layers of composite steel band.
As a kind of preferred version, said negative material is the unleaded calamine cream of no mercury.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
One, through between negative cover and negative material, being provided with isolated location; Utilize this isolated location that negative cover and negative material are isolated separate to prevent negative material from contact with negative cover evolving hydrogen reaction takes place, replace existing passing through with this and plate indium or the zinc-plated form that the parent metal isolation of negative material and negative cover is separated.By this, on the one hand, help guaranteeing that negative material and negative cover keep to isolate separately, effectively avoid negative material to contact and make product the phenomenon of inflatable, leakage even blast occur that stopped potential safety hazard, the security of product use is better with negative cover; On the other hand; Make the utility model in the middle of negative cover is made production, need not use plating indium or zinc-plated; Effectively avoided owing to use chemical medicinal liquid etch indium layer or tin layer to discharge or to contain indium or contain chromium or the trade effluent of heavy metal ion such as cupric and pollution on the environment; Be beneficial to environmental protection, also reduced the production cost of enterprise simultaneously, alleviated business burden.
Two, through being provided with steam vent in negative cover or between the outer ring body of negative cover and isolated location, being provided with the capillary channel of exhaust; The hydrogen that produces when utilizing this steam vent or those capillary channels with the inner generation of button cell evolving hydrogen reaction is discharged; Avoid gas to accumulate in button cell inside and make button cell inflatable, leakage even blast, further improve the fail safe that product uses.
Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the sectional view of the button cell that has now;
Fig. 2 is the sectional view of first preferred embodiment of the utility model;
Fig. 3 is the sectional view of second preferred embodiment of the utility model;
Fig. 4 is the sectional view of the 3rd preferred embodiment of the utility model;
Fig. 5 is the sectional view of the 4th preferred embodiment of the utility model;
Fig. 6 is the sectional view of the 5th preferred embodiment of the utility model;
Fig. 7 is the sectional view of the 6th preferred embodiment of the utility model;
Fig. 8 is the sectional view of the 7th preferred embodiment of the utility model;
Fig. 9 is the sectional view of the 8th preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10 ', negative cover 20 ', positive electrode
30 ', sealing ring 40 ', negative material
50 ', anode cover 60 ', barrier film
10, negative cover 11, steam vent
12, capillary channel 20, positive electrode
30, sealing ring 40, negative material
50, anode cover 60, barrier film
70, isolated location 71, barrier film
72, collector body.
Embodiment
Please with reference to shown in Figure 2; The concrete structure that it has demonstrated first preferred embodiment of the utility model includes a negative cover 10, a positive electrode 20, a sealing ring 30, one and the negative material 40 of negative cover 10 conductings, the barrier film 60 that an anode cover 50 and is used to isolate positive electrode 20 and negative material 40.
This anode cover 50 is fastened and connected with negative cover 10; Sealing circle 30 is located between anode cover 50 and the negative cover 10, separates so that anode cover 50 is isolated from each other with negative cover 10; This positive electrode 20 is arranged at the inner bottom part of anode cover 50, and this barrier film 60 is arranged at the top of positive electrode 20, and this negative material 40 is installed between negative cover 10 and the barrier film 60, and negative material 40 is the unleaded calamine cream of no mercury.
Wherein, This negative cover 10 adopts iron plate or other ferrous metals sheet punching out to form; The surface of this negative cover is coated with one deck nickel at least, also can plate other metal level certainly, as gold-plated; So that the profile of negative cover 10 is more attractive in appearance, perhaps this negative cover 10 directly adopts preplating sheet metal or laminated metal sheet punching out to form; This preplating sheet metal is to add copper-plated steel band after nickel plated steel strip or the nickel plating of one side nickel plating another side, and this laminated metal sheet is nickel/stainless steel/nickel, or nickel/iron/nickel; Or nickel/stainless steel/copper; Or three layers of composite steel band of nickel/iron/copper, or nickel/stainless two layers of composite steel band, not to exceed; This negative cover 10 is provided with steam vent 11; This steam vent 11 is positioned at the lateral margin of negative cover 10; The hydrogen that this steam vent 11 produces when being used to discharge inside battery generation evolving hydrogen reaction is avoided gas to accumulate in button cell inside and is made button cell inflatable, leakage even blast.
And, be provided with between this negative cover 10 and the negative material 40 and be used for isolated location 70 that negative material 40 and negative cover 10 are isolated from each other and separate and simultaneously negative material 40 is connected with negative cover 10 conductings.In the present embodiment; This isolated location 70 includes barrier film 71 and collector body 72; The inner surface that this barrier film 71 is arranged at negative cover 10 is isolated from each other negative material 40 and separates with negative cover 10; This barrier film 71 is arranged at the inner surface of negative cover 10 and covers the bottom of the outer ring body (be the pearl footpath annular solid in addition of negative cover 10, this pearl directly is the maximum gauge of the pearl body of negative cover 10, and the cross section of this annular solid is the J type) to negative cover 10; The periphery of this barrier film 71 and sealing ring 30 are tightly connected, and evolving hydrogen reaction takes place to prevent negative material 40 from contacting with negative cover 10; This barrier film 71 is for passing through the material that hydrogen does not pass through the anti-highly basic of electrolyte, and this material is PP material or PVC material or PA material or PE material or PTFE material or theirs is material modified; Because negative material 40 all contains the metal impurities of a spot of low overpotential of hydrogen evolution; Like iron etc.; These impurity after the continuous discharge of battery heavy load easily and calamine cream generation evolving hydrogen reaction and produce hydrogen; This gas permeable barrier film 71 also discharges through aforementioned steam vent 11, prevents battery inflatable, leakage even blast; This collector body 72 is the metal material that evolving hydrogen reaction can not take place with negative material 40, and this metal material is pure copper material or copper-based alloy material, plating indium or zinc-plated or plating indium stannum alloy on this collector body 72; In the present embodiment, this collector body 72 is a pure copper material, when the purity of pure copper material reaches when (containing 99.999%) more than 99.999%, also can not plate indium or not zinc-plated or do not plate indium stannum alloy, not to exceed; And; In the present embodiment; This collector body 72 is a lead, and this lead conducting is connected between negative material 40 and the negative cover 10, and the two ends of this lead are connected with the outer ring body conducting of negative cover 10 respectively; And the mid portion of this lead is connected with negative material 40 conductings, and the mid portion of this lead is stretching shape and vertical with the axis of battery.
Please with reference to shown in Figure 3; It has demonstrated the concrete structure of second preferred embodiment of the utility model; The concrete structure of the concrete structure of present embodiment and aforementioned first preferred embodiment is basic identical; Different is: in the present embodiment; This barrier film 71 is arranged at the inner surface of negative cover 10 and covers to the top of the outer ring body of negative cover 10, and the two ends of this lead are connected with the pearl body of negative cover 10 (promptly from the entity between the end face of end face to the negative cover 10 of ring body outside the negative cover 10) conducting respectively, have increased the contact area between lead and barrier film 71 and the sealing ring 30 with this; Make that the sealing property between negative cover 10 and the anode cover 50 is better, more effectively prevent the appearance of the phenomenon of leakage.
Please with reference to shown in Figure 4, it has demonstrated the concrete structure of the 3rd preferred embodiment of the utility model, and the concrete structure of the concrete structure of present embodiment and aforementioned second preferred embodiment is basic identical; Different is: in the present embodiment, this collector body 72 is an annular solid, and the cross section of this annular solid is the L type; The bottom of this annular solid is connected with negative material 40 conductings; The top of annular solid is connected with the pearl body conducting of negative cover 10, by this, and through utilizing annular solid as collector body; Can be so that the assembling of product be convenient, and conducting connects more reliable.
Please with reference to shown in Figure 5; It has demonstrated the concrete structure of the 4th preferred embodiment of the utility model; The concrete structure of the concrete structure of present embodiment and aforementioned first preferred embodiment is basic identical; Different is: in the present embodiment; This isolated location 70 is a conducting film, and this conducting film has replaced the barrier film 71 and collector body 72 in aforementioned first preferred embodiment, and the inner surface that this conducting film is arranged at negative cover 10 is isolated from each other negative material 40 and negative cover 10 and separates and this conducting film conducting is connected between negative material 40 and the negative cover 10; In the present embodiment, this conducting film is arranged at the inner surface of negative cover 10 and covers to the bottom of the outer ring body of negative cover 10, and the periphery of this conducting film and sealing ring 30 are tightly connected, and evolving hydrogen reaction takes place to prevent negative material 40 from contacting with negative cover 10; This conducting film is for passing through the material of conduction that hydrogen does not pass through the anti-highly basic of electrolyte, and this material is graphite-base composite material or carbon black based composites or hydrogen permeation alloy material or hydrogen permeation alloy composite material; Because negative material 40 all contains the metal impurities of a spot of low overpotential of hydrogen evolution; Like iron etc.; These impurity after the continuous discharge of battery heavy load easily and calamine cream generation evolving hydrogen reaction and produce hydrogen; This gas permeable conducting film also discharges through aforementioned steam vent 11, prevents battery inflatable, leakage even blast.
Please with reference to shown in Figure 6; It has demonstrated the concrete structure of the 5th preferred embodiment of the utility model; The concrete structure of the concrete structure of present embodiment and aforementioned the 4th preferred embodiment is basic identical; Different is: in the present embodiment, this conducting film is arranged at the inner surface of negative cover 10 and covers to the top of the outer ring body of negative cover 10, has increased the contact area between conducting film and the sealing ring 30 with this; Make that the sealing property between negative cover 10 and the anode cover 50 is better, more effectively prevent the appearance of the phenomenon of leakage.
Please with reference to shown in Figure 7; It has demonstrated the concrete structure of the 6th preferred embodiment of the utility model; The concrete structure of the concrete structure of present embodiment and aforementioned second preferred embodiment is basic identical; Different is: in the present embodiment, on this negative cover 10 steam vent 11 is not set, but between the barrier film 71 of the outer ring body of negative cover 10 and isolated location 70, is provided with the capillary channel 12 of exhaust; Those capillary channels 12 have replaced the steam vent 11 in aforementioned second preferred embodiment; The hydrogen that produces when utilizing those capillary channels 12 with the inner generation of button cell evolving hydrogen reaction is discharged, and avoids gas to accumulate in button cell inside and makes button cell inflatable, leakage even blast, further improves the fail safe that product uses.
Please with reference to shown in Figure 8; It has demonstrated the concrete structure of the 7th preferred embodiment of the utility model; The concrete structure of the concrete structure of present embodiment and aforementioned the 3rd preferred embodiment is basic identical; Different is: in the present embodiment, on this negative cover 10 steam vent 11 is not set, but between the barrier film 71 of the outer ring body of negative cover 10 and isolated location 70, is provided with the capillary channel 12 of exhaust; Those capillary channels 12 have replaced the steam vent 11 in aforementioned the 3rd preferred embodiment; The hydrogen that produces when utilizing those capillary channels 12 with the inner generation of button cell evolving hydrogen reaction is discharged, and avoids gas to accumulate in button cell inside and makes button cell inflatable, leakage even blast, further improves the fail safe that product uses.
Please with reference to shown in Figure 9; It has demonstrated the concrete structure of the 8th preferred embodiment of the utility model; The concrete structure of the concrete structure of present embodiment and aforementioned the 5th preferred embodiment is basic identical; Different is: in the present embodiment, on this negative cover 10 steam vent 11 is not set, but between the conducting film of the outer ring body of negative cover 10 and isolated location 70, is provided with the capillary channel 12 of exhaust; Those capillary channels 12 have replaced the steam vent 11 in aforementioned the 5th preferred embodiment; The hydrogen that produces when utilizing those capillary channels 12 with the inner generation of button cell evolving hydrogen reaction is discharged, and avoids gas to accumulate in button cell inside and makes button cell inflatable, leakage even blast, further improves the fail safe that product uses.
In conjunction with Fig. 7 to embodiment shown in Figure 9; When barrier film 71 or conducting film in the isolated location 70 cover to the situation at the top of the outer ring body of negative cover 10, the utility model can be provided with exhaust between the outer ring body of negative cover 10 and isolated location 70 capillary channel 12 substitutes the design of steam vent 11.
The design focal point of the utility model is: at first; Through between negative cover and negative material, being provided with isolated location; Utilize this isolated location that negative cover and negative material are isolated to separate and prevent that negative material from contact with negative cover and evolving hydrogen reaction takes place, replace existing with this through plating indium or the zinc-plated form that the parent metal isolation of negative material and negative cover is separated.By this, on the one hand, help guaranteeing that negative material and negative cover keep to isolate separately, effectively avoid negative material to contact and make product the phenomenon of inflatable, leakage even blast occur that stopped potential safety hazard, the security of product use is better with negative cover; On the other hand; Make the utility model in the middle of negative cover is made production, need not use plating indium or zinc-plated; Effectively avoided owing to use chemical medicinal liquid etch indium layer or tin layer to discharge or to contain indium or contain chromium or the trade effluent of heavy metal ion such as cupric and pollution on the environment; Be beneficial to environmental protection, also reduced the production cost of enterprise simultaneously, alleviated business burden.Secondly; Through being provided with steam vent in negative cover or between the outer ring body of negative cover and isolated location, being provided with the capillary channel of exhaust; The hydrogen that produces when utilizing this steam vent or those capillary channels with the inner generation of button cell evolving hydrogen reaction is discharged; Avoid gas to accumulate in button cell inside and make button cell inflatable, leakage even blast, further improve the fail safe that product uses.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (15)
1. one kind is not had the unleaded button cell of mercury, include a negative cover, a positive electrode, a sealing ring, an anode cover, one and the negative material and of negative cover conducting be used to isolate the barrier film of positive electrode and negative material; This anode cover and negative cover are fastened and connected; The sealing circle is located between anode cover and the negative cover, separates so that anode cover is isolated from each other with negative cover; This positive electrode is arranged at the inner bottom part of anode cover, and this barrier film is arranged at the top of positive electrode, and this negative material is installed between negative cover and the barrier film; It is characterized in that: be provided with between this negative cover and the negative material and be used for isolated location that negative material and negative cover are isolated from each other and separate and simultaneously negative material is connected with the negative cover conducting.
2. the unleaded button cell of no mercury according to claim 1; It is characterized in that: said isolated location includes barrier film and collector body; This barrier film is arranged at the inner surface of negative cover and covers between the bottom or top or bottom and top of the outer ring body of negative cover; This barrier film is isolated from each other negative material and separates with negative cover, this collector body conducting is connected between negative material and the negative cover.
3. the unleaded button cell of no mercury according to claim 2; It is characterized in that: said barrier film is for passing through the material that hydrogen does not pass through the anti-highly basic of electrolyte, and this material is PP material or PVC material or PA material or PE material or PTFE material or theirs is material modified.
4. the unleaded button cell of no mercury according to claim 2; It is characterized in that: said collector body is a lead; The two ends of this lead are connected with the outer ring body of negative cover or the pearl body conducting of negative cover respectively, and the mid portion of this lead is connected with the negative material conducting.
5. the unleaded button cell of no mercury according to claim 4 is characterized in that: the mid portion of this lead is stretching shape and vertical with the axis of battery.
6. the unleaded button cell of no mercury according to claim 2; It is characterized in that: said collector body is an annular solid; The cross section of this annular solid is the L type; The bottom of this annular solid is connected with the negative material conducting, and the top of this annular solid is connected with the pearl body conducting of the outer ring body of negative cover or negative cover.
7. the unleaded button cell of no mercury according to claim 2 is characterized in that: said collector body for not with the metal material of negative material generation evolving hydrogen reaction, this metal material is pure copper material or copper-based alloy material.
8. the unleaded button cell of no mercury according to claim 7 is characterized in that: plating indium or zinc-plated or plating indium stannum alloy on the said collector body.
9. the unleaded button cell of no mercury according to claim 1; It is characterized in that: said isolated location is a conducting film; This conducting film is arranged at the inner surface of negative cover and covers between the bottom or top or bottom and top of the outer ring body of negative cover; This conducting film is isolated from each other negative material and separates with negative cover, and this conducting film conducting is connected between negative material and the negative cover.
10. the unleaded button cell of no mercury according to claim 9; It is characterized in that: said conducting film is for passing through the material of conduction that hydrogen does not pass through the anti-highly basic of electrolyte, and this material is graphite-base composite material or carbon black based composites or hydrogen permeation alloy material or hydrogen permeation alloy composite material.
11. the unleaded button cell of no mercury according to claim 1 is characterized in that: said negative cover is provided with the capillary channel that is provided with exhaust between outer ring body and the isolated location of steam vent or this negative cover.
12. the unleaded button cell of no mercury according to claim 1; It is characterized in that: said negative cover adopts iron plate or the punching out of ferrous metals sheet to form; The surface of this negative cover is coated with one deck nickel at least, and perhaps this negative cover directly adopts preplating sheet metal or laminated metal sheet punching out to form.
13. the unleaded button cell of no mercury according to claim 12 is characterized in that: said preplating sheet metal is to add copper-plated steel band after nickel plated steel strip or the nickel plating of one side nickel plating another side.
14. the unleaded button cell of no mercury according to claim 12; It is characterized in that: said laminated metal sheet is nickel/stainless steel/nickel, or nickel/iron/nickel, or nickel/stainless steel/copper; Or three layers of composite steel band of nickel/iron/copper, or nickel/stainless two layers of composite steel band.
15. the unleaded button cell of no mercury according to claim 1, it is characterized in that: said negative material is the unleaded calamine cream of no mercury.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204886723U CN202434588U (en) | 2011-11-30 | 2011-11-30 | Mercury-free and lead-free button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204886723U CN202434588U (en) | 2011-11-30 | 2011-11-30 | Mercury-free and lead-free button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202434588U true CN202434588U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204886723U Expired - Lifetime CN202434588U (en) | 2011-11-30 | 2011-11-30 | Mercury-free and lead-free button cell |
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| CN (1) | CN202434588U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412373A (en) * | 2011-11-30 | 2012-04-11 | 刘膑 | Mercury-free lead-free button battery |
| WO2013091281A1 (en) * | 2011-12-18 | 2013-06-27 | Xiao Xiuhua | Mercury-free zinc-manganese and zinc-silver button battery |
| CN112038675A (en) * | 2019-06-04 | 2020-12-04 | 北京航空航天大学 | Miniature metal battery, connector of battery and preparation method of miniature metal battery |
-
2011
- 2011-11-30 CN CN2011204886723U patent/CN202434588U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412373A (en) * | 2011-11-30 | 2012-04-11 | 刘膑 | Mercury-free lead-free button battery |
| CN102412373B (en) * | 2011-11-30 | 2013-06-19 | 刘膑 | Mercury-free lead-free button battery |
| WO2013091281A1 (en) * | 2011-12-18 | 2013-06-27 | Xiao Xiuhua | Mercury-free zinc-manganese and zinc-silver button battery |
| CN112038675A (en) * | 2019-06-04 | 2020-12-04 | 北京航空航天大学 | Miniature metal battery, connector of battery and preparation method of miniature metal battery |
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