CN100373680C - Dynamic column sealed Zn-Ni alkaline battery - Google Patents
Dynamic column sealed Zn-Ni alkaline battery Download PDFInfo
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- CN100373680C CN100373680C CNB2005100539592A CN200510053959A CN100373680C CN 100373680 C CN100373680 C CN 100373680C CN B2005100539592 A CNB2005100539592 A CN B2005100539592A CN 200510053959 A CN200510053959 A CN 200510053959A CN 100373680 C CN100373680 C CN 100373680C
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- negative pole
- zinc
- copper foil
- metal shell
- alkaline battery
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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 present invention relates to a dynamic column sealed zinc, nickel and alkaline accumulator. The tail part of a zinc cathode is welded with a copper foil, the length of the copper foil is equal to the perimeter of the inner diameter of a metal housing, the copper foil is used for completely wrapping the outermost ring of the zinc cathode, the inner wall of the copper foil is in contact with the outermost ring of the zinc cathode, the outer wall of the copper foil is in contact with the metal housing, an anode afflux disk is installed above an electrode group, anode active materials are attached to both sides of an anode electricity conducting basal body, and the lower end of the anode electricity conducting basal body is welded and fixed with the anode afflux disk; the anode afflux disk is welded and fixed with an explosion prevention cover, both sides of a cathode electricity conducting basal body is attached to cathode active materials, and the lower end of the cathode electricity conducting basal body is welded and fixed with a cathode afflux disk which is welded and fixed with the bottom of the metal housing. Under the precondition that the present invention can not affect the accumulator capacity and the discharging of heavy current, the metal housing is designed as a cathode, a cover is designed as an anode, the arrangement of the anode and the cathode of a general battery is accorded, and the present invention brings convenience to users and is difficult to go wrong.
Description
Technical field
The present invention relates to the power-type zinc-nickel storage battery.
Background technology
Traditional dynamic column sealed nickel cadmium cell, hydrogen-nickel battery and Zn-Ni alkaline battery involved in the present invention, in order to strengthen the air-breathing area of negative pole, press in reducing, the purpose of convenient sealing, usually cadmium cathode, hydrogen negative pole and zinc negative pole take negative pole to encase anodal way than the anodal long 20-25% of nickel.Because negative pole is longer than anodal, battery case is just inevitable to contact with negative pole, and battery case becomes negative pole, and it is anodal that lid becomes.For ickel-cadmium cell and Ni-H cell, cadmium cathode and hydrogen negative pole contacting metal shell without any side effect, can bring more convenience on the contrary, do not need to take any measure.And for the dynamic column sealed Zn-Ni storage battery, the zinc negative pole definitely can not contact with metal shell, if contact, zinc negative pole and metal shell form micro cell can make battery failure.
The dynamic column sealed Zn-Ni storage battery in order not allow the zinc negative pole directly contact with metal shell, forms micro cell and makes the zinc dissolving produce hydrogen.The method that prior art adopts is: for anodal, battery cap is designed to negative pole with the battery metal housing designs, adds a layer insulating at the metal shell inwall simultaneously, and metal shell and zinc negative pole are separated.Patent No. ZL032678134 adopts this kind structure exactly, separates zinc negative pole and box hat at outer bread one deck ambroin of zinc negative pole outmost turns, avoids it to contact.The negative pole currect collecting dish is welded on the lid, and lid is a negative pole, and metal shell is anodal.There are two problems in this structure:
Cause general ickel-cadmium cell, Ni-H cell and zinc-manganese dioxide dry cell commonly used lid often are anodal, and shell is a negative pole.The user is accustomed to the arrangement of these battery plus-negative plates, is negative pole if zinc-nickel cell is taked lid, and shell is anodal structure, does not meet the arrangement of the both positive and negative polarity of general battery, and the user uses can be very uncomfortable, makes mistakes easily.
The spot welding that relies on positive terminal fully that contacts of nickel positive pole and metal shell not prison welding occurs as fruit dot basic skill or training preface, is exactly fatal defective for the power type power supply.
Summary of the invention
The structural design that the purpose of this invention is to provide a kind of dynamic column sealed Zn-Ni alkaline battery, under the prerequisite that does not influence battery capacity and heavy-current discharge, its metal shell is designed to negative pole, cover design is anodal, meet the both positive and negative polarity arrangement of general battery, bring convenience to the user, be not easy to make mistakes.
For achieving the above object, the present invention is by the following technical solutions:
A kind of dynamic column sealed Zn-Ni alkaline battery, comprise cylindrical metal shell, utmost point group and electrolyte are housed in the metal shell, utmost point group is by the nickel positive pole of strip, barrier film, the zinc negative pole is reeled and is constituted, the zinc negative pole is positioned at the outside, the nickel positive pole is positioned at the inboard, barrier film is between zinc negative pole and nickel positive pole, the top open part of metal shell is equipped with Explosion-proof cap, it is characterized in that: the afterbody of zinc negative pole is welded with a Copper Foil, the internal diameter girth of the length of this Copper Foil and described metal shell equates, after utmost point assembling is joined, this Copper Foil wraps up the outmost turns of zinc negative pole fully, and the inwall of this Copper Foil contacts with the outmost turns of zinc negative pole, and the outer wall of this Copper Foil contacts with metal shell, the top of described utmost point group is equipped with the anode collection dish, described nickel positive pole is made up of anodal conducting base and positive active material, and on the two sides of positive active material attached to anodal conducting base, the upper end of described anodal conducting base and the welding of anode collection dish are fixing; The chassis welding of described anode collection dish and Explosion-proof cap is fixing;
The below of described utmost point group is equipped with the negative pole currect collecting dish, described zinc negative pole is made up of negative pole conducting base and negative electrode active material, on the two sides of negative electrode active material attached to the negative pole conducting base, the lower end of described negative pole conducting base and the welding of negative pole currect collecting dish are fixing, and the bottom welding of described negative pole currect collecting dish and metal shell is fixing.
The present invention has following actively useful effect:
Battery of the present invention: be to add a Copper Foil wideer 1 millimeter to 1.5 millimeters than zinc negative pole, that length and metal shell internal diameter girth equate at zinc negative pole afterbody.Copper Foil adopts fine copper, and when utmost point group was reeled assembling, zinc negative pole outer ring was near Copper Foil and Copper Foil contacts with metal shell, and zinc negative pole and metal shell can not form micro cell.Preferably resolve the zinc negative pole and directly do not contact the problem of shell, metal shell has become negative pole again simultaneously, and lid has become positive pole, meets the both positive and negative polarity arrangement of general battery, brings convenience to the user, is not easy to make mistakes.
Battery of the present invention: lower surface and a zinc-plated negative pole currect collecting dish welding of zinc negative pole is fixing, the negative pole currect collecting dish is fixing with the welding of metal shell bottom again, nickel positive pole upper end is fixing with the anode collection dish welding of a nickel plating, the connecting plate of anode collection dish is fixing with the chassis welding of Explosion-proof cap again, improved welding reliability, Copper Foil contacts with metal shell and contacts with the zinc negative pole, has improved the reliability of motive-power battery.
The present invention has changed the mentality of designing of traditional power type column sealed Zn-Ni alkaline battery.It is 0.03 millimeter to 0.06 millimeter Copper Foil that bold spacer with zinc negative pole and metal shell makes zinc-plated thickness into by insulating material, has increased the conductivity of zinc negative pole and metal shell; The bold band that confluxes with both positive and negative polarity makes the afflux dish into, make many places spot welding into by single spot welding, increased the contact area of positive and negative electrode and afflux dish, so improved the reliability of heavy-current discharge performance and battery, effectively utilized battery space, created condition for improving battery capacity.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the A-A half sectional view of Fig. 1;
Fig. 3 is the structural representation of Explosion-proof cap among Fig. 1;
Fig. 4 is the structure cutaway view of insulated enclosure circle among Fig. 1;
Fig. 5 is the structure cutaway view that insulation cuts off circle among Fig. 1;
Fig. 6 is the front view of anode collection dish one embodiment of the present invention;
Fig. 7 is along the B-B cutaway view among Fig. 6;
Fig. 8 is along the C-C cutaway view among Fig. 6;
Fig. 9 is the front view of negative pole currect collecting dish one embodiment of the present invention;
Figure 10 is along the D-D cutaway view among Fig. 9;
Figure 11 is along the E-E cutaway view among Fig. 9;
Figure 12 is the front view of nickel positive pole of the present invention;
Figure 13 is the end view of Figure 12;
Figure 14 is the front view of zinc negative pole of the present invention;
Figure 15 is the end view of Figure 14;
Figure 16 is the composition structural representation of utmost point group of the present invention.
Embodiment
Accompanying drawing number
1: insulation cuts off circle 2: metal shell 3: Copper Foil
4: negative electrode active material 5: the negative pole conducting base
501: negative pole conducting base and Copper Foil weld
6: barrier film 7: positive active material 8: anodal conducting base
9: solder joint ((negative pole conducting base and negative pole currect collecting dish solder joint)
10: negative pole currect collecting dish 101: circular hole 102: prominent point
11. solder joint (solder joint of anodal conducting base and anode collection dish)
12: anode collection dish 121: circular hole 122: connecting plate 123: prominent point
13: Explosion-proof cap 131: small cap 132: air-vent
133: aperture 134: chassis 135: explosion-proof ball
14: insulated enclosure circle 15: zinc negative pole 16: the nickel positive pole
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, the present invention is a kind of dynamic column sealed Zn-Ni alkaline battery, comprise cylindrical metal shell 2, utmost point group and electrolyte are housed in the metal shell 2, electrolyte is potassium hydroxide.
Utmost point group is a drum, and utmost point group is reeled and constituted by sintrered nickel positive pole 16, barrier film 6, the zinc negative pole 15 of strip, and zinc negative pole 15 is positioned at the outside, and nickel positive pole 16 is positioned at the inboard, and barrier film 6 is between zinc negative pole 15 and nickel positive pole 16.
The top open part of metal shell 2 is equipped with Explosion-proof cap 13, the afterbody of zinc negative pole 15 is welded with a Copper Foil 3, the length of this Copper Foil 3 and metal shell 2 internal diameter girths equate, after utmost point assembling is joined, this Copper Foil 3 wraps up the outmost turns of zinc negative pole 15 fully, the inwall of this Copper Foil 3 contacts with the outmost turns of zinc negative pole, the outer wall of this Copper Foil contacts with metal shell, the top of utmost point group is equipped with anode collection dish 12, described nickel positive pole 16 is made up of anodal conducting base 8 and positive active material 7, on the two sides of positive active material 7 attached to anodal conducting base 8, the upper end of anodal conducting base 8 and anode collection dish 12 are fixing by a plurality of solder joint welding; Anode collection dish 12 has the connecting plate 122 of extension, and this connecting plate 122 is fixing with chassis 134 welding of Explosion-proof cap 13.
The below of utmost point group is equipped with negative pole currect collecting dish 10, zinc negative pole 15 is made up of negative pole conducting base 5 and negative electrode active material 4, on the two sides of negative electrode active material 4 attached to negative pole conducting base 5, the lower end of negative pole conducting base 5 is fixing with 10 welding of negative pole currect collecting dish by a plurality of solder joints 9, and negative pole currect collecting dish 10 is fixing with the bottom welding of metal shell 2.
Barrier film 6 adopts porose polyethylene radiation grafting composite membrane or polypropylene radiation grafting composite membrane.
There is insulation to cut off circle 1 between anode collection dish 12 and the battery case 2.The effect that insulation cuts off circle 1 be prevent anode collection dish 12 in operation or use and battery case 2 contact and cause battery short circuit.
The material of anode collection dish 12 is the nickel plating steel disc, the purpose of nickel plating is to get rusty in order to prevent, please refer to Fig. 6, Fig. 7, Fig. 8, anode collection Pan12Chong has circular hole 121, make the one side (solder side) of anode collection dish form the prominent point 123 of 0.5 millimeter by punching, so that anode collection dish 12 and anodal conducting base 8 end faces firmly weld fixing.
The material of negative pole currect collecting dish 10 is zinc-plated copper sheet, and zinc-plated purpose is more solid and reliable during for spot welding; Please refer to Fig. 9, Figure 10, Figure 11, negative pole currect collecting Pan10Chong has circular hole 101, makes the one side (solder side) of negative pole currect collecting dish 10 form the prominent point 102 of 0.5 millimeter by punching.So that negative pole currect collecting dish 10 and negative pole conducting base 5 end faces firmly weld fixing.
Please refer to Fig. 1, Fig. 2, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, in the present embodiment, metal shell 2 adopts the nickel plating box hat, and the purpose of nickel plating is for the box hat non-corrosive; Nickel anodal 16 adopts the anodal technology of ripe sintrered nickel, and its thickness is 0.55 millimeter; The width of zinc negative pole 15 is with nickel positive pole 16, and thickness is 0.45 millimeter, and length is than the anodal long 20-25% of nickel; Copper Foil 3: width is wideer 1 millimeter to 1.5 millimeters than zinc negative pole, and length is with metal shell 2 internal diameter girths, near the afterbody of zinc negative pole 15, the outer ring of zinc negative pole 15 is encased, and does not allow the zinc negative pole directly contact with metal shell 2.Adopt the coiling way of the cylindrical capacitor of dislocation, be rolled into nickel zinc cell utmost point group, the external diameter of utmost point group is less than the internal diameter of metal shell 2.The utmost point is assembled in the metal shell 2, with welding machine the lower end of the negative pole conducting base 5 of zinc negative pole 15 is welded on metal shell 2 bottoms securely.Adding electrolyte (potassium hydroxide aqueous solution) is welded in positive terminal on the anodal lid, coats fluid sealant around metal shell 2 open-topped inwalls, seals to form.
The surface of Copper Foil 3 can be zinc-plated, and zinc-plated effect is in order to improve hydrogen overpotential, to prevent separating out of hydrogen, and Copper Foil 3 must be a red copper foil, can not be copper alloy, and Copper Foil 3 is tight zinc negative pole 15 bags, allows zinc negative pole 15 not contact with metal shell 2.
If the thickness of Copper Foil 3 is greater than 0.06 millimeter, then can be too much occupy the inside battery space and influence battery capacity.If the thickness of Copper Foil 3 is less than 0.03 millimeter, then mechanical strength is not enough, can not effectively prevent to form micro cell between zinc negative pole 15 and the metal shell 2.
So, the thickness of Copper Foil 3 must be between 0.03 millimeter to 0.06 millimeter, 0.03 millimeter to 0.06 millimeter Copper Foil can prevent effectively that the zinc negative pole from directly contacting with metal shell, avoids forming between them micro cell, again can be not too much occupy the inside battery space and influence battery capacity.Copper Foil 3 also has an effect: Copper Foil 3 contacts with metal shell 2, zinc negative pole 15 simultaneously, can increase the conductivity of zinc negative pole 15 and metal shell 2, has also just improved the reliability of motive-power battery.
Positive active material 7 is a nickel hydroxide, and anodal conducting base 8 is a Punching steel strip.What the present invention adopted is the sintrered nickel positive pole.The manufacture method of nickel positive pole 16 is: with nickel powder and adhesive with become slurries, be coated on the anodal conducting base, form the matrix of porous through 950 ± 50 ℃ of high temperature sinterings, nickel hydroxide is filled in the hole of matrix.Adhesive can adopt prior art.
Negative pole conducting base 5 is a punched copper tape, and negative electrode active material 4 is zinc powder and zinc oxide.The manufacture method of zinc negative pole 15 is: with negative electrode active material 4 and adhesive with become paste, be coated on the negative pole conducting base 5, the purpose of negative pole conducting base 5 punchings be for negative electrode active material 4 can and negative pole conducting base 5 in conjunction with firm.Adhesive can adopt prior art.
Please refer to Fig. 3, explosion-proof ball 13 is by chassis 134, small cap 131 and ball 135 are formed, ball 135 is installed between small cap 131 and the chassis 134, chassis 134 and small cap 131 are by spot welding or riveted and fixed, there is air-vent 132 at the center on chassis 134, ball 135 is installed in the inner chamber of small cap 131 of air-vent 132 tops, this ball covers in described air-vent 132, there is aperture 133 side of small cap 131, when the battery internal gas pressure surpassed Explosion-proof cap 13 popping pressures, gas was just emitted ball 135 compressions the air-vent below chassis 134 132 from the aperture 133 of small cap side, thereby reaches explosion-proof purpose.Chassis 134 and small cap 131 can be made by steel plate, and ball 135 is made by alkaline-resisting rubber.
Claims (10)
1. dynamic column sealed Zn-Ni alkaline battery, comprise cylindrical metal shell, utmost point group and electrolyte are housed in the metal shell, utmost point group is by the nickel positive pole of strip, barrier film, the zinc negative pole is reeled and is constituted, the zinc negative pole is positioned at the outside, the nickel positive pole is positioned at the inboard, barrier film is between zinc negative pole and nickel positive pole, the top open part of metal shell is equipped with Explosion-proof cap, it is characterized in that: the afterbody of zinc negative pole is welded with a Copper Foil, the internal diameter girth of the length of this Copper Foil and described metal shell equates, after utmost point assembling is joined, this Copper Foil wraps up the outmost turns of zinc negative pole fully, and the inwall of this Copper Foil contacts with the outmost turns of zinc negative pole, and the outer wall of this Copper Foil contacts with metal shell, the top of described utmost point group is equipped with the anode collection dish, described nickel positive pole is made up of anodal conducting base and positive active material, and on the two sides of positive active material attached to anodal conducting base, the upper end of described anodal conducting base and the welding of anode collection dish are fixing; The chassis welding of described anode collection dish and Explosion-proof cap is fixing;
The below of described utmost point group is equipped with the negative pole currect collecting dish, described zinc negative pole is made up of negative pole conducting base and negative electrode active material, on the two sides of negative electrode active material attached to the negative pole conducting base, the lower end of described negative pole conducting base and the welding of negative pole currect collecting dish are fixing, and the bottom welding of described negative pole currect collecting dish and metal shell is fixing.
2. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: described copper thickness is between 0.03 millimeter to 0.06 millimeter.
3. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: the material of described anode collection dish is the steel disc of nickel plating, and the solder side of anode collection dish has prominent point.
4. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: the material of described negative pole currect collecting dish is zinc-plated copper sheet; The solder side of negative pole currect collecting dish has prominent point.
5. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: described anodal conducting base is a Punching steel strip, and described positive active material is a nickel hydroxide.
6. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: described negative pole conducting base is a punched copper tape, and described negative electrode active material is zinc powder and zinc oxide.
7. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: described electrolyte is potassium hydroxide aqueous solution, and the surface of described Copper Foil is coated with tin.
8. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: described barrier film adopts porose polyethylene radiation grafting film or polypropylene radiation grafting film.
9. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1, it is characterized in that: described Explosion-proof cap is by the chassis, small cap and ball are formed, chassis and small cap are by spot welding or riveted and fixed, there is air-vent at the center on chassis, ball is installed in the small cap inner chamber of air-vent top, and this ball covers in described air-vent, and there is aperture the side of small cap.
10. dynamic column sealed Zn-Ni alkaline battery as claimed in claim 1 is characterized in that: have insulation to cut off circle between described anode collection dish and the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100539592A CN100373680C (en) | 2005-03-14 | 2005-03-14 | Dynamic column sealed Zn-Ni alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100539592A CN100373680C (en) | 2005-03-14 | 2005-03-14 | Dynamic column sealed Zn-Ni alkaline battery |
Publications (2)
| Publication Number | Publication Date |
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| CN1835271A CN1835271A (en) | 2006-09-20 |
| CN100373680C true CN100373680C (en) | 2008-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100539592A Expired - Fee Related CN100373680C (en) | 2005-03-14 | 2005-03-14 | Dynamic column sealed Zn-Ni alkaline battery |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165959B (en) * | 2006-10-20 | 2010-12-01 | 湖南科力远新能源股份有限公司 | High power charging battery manufacture process |
| CN101202357B (en) * | 2006-12-15 | 2010-05-12 | 中国电子科技集团公司第十八研究所 | Cylinder type zinc-nickel storage battery |
| CN101026234A (en) * | 2007-02-12 | 2007-08-29 | 范正刚 | Zinc-nickel battery negative plate |
| CN101216537B (en) * | 2007-12-27 | 2012-10-03 | 上海万宏动力能源有限公司 | Single-electrode potential measurement method suitable for alkaline sealed cell and its device |
| CN103117393A (en) * | 2013-02-02 | 2013-05-22 | 吉林卓尔科技股份有限公司 | Zinc-nickel secondary sealed cylindrical alkaline battery adopting nickel-plated shell as negative electrode and manufacturing method thereof |
| CN103117370A (en) * | 2013-02-27 | 2013-05-22 | 浙江吉能电池科技有限公司 | Lithium ion battery point bottom connecting piece and preparation method of lithium ion battery |
| CN103151473B (en) * | 2013-02-27 | 2015-09-16 | 浙江吉能电池科技有限公司 | The bottom casing of lithium ion battery of prefabricated burr and the preparation method of lithium ion battery |
| CN104868103A (en) * | 2014-02-25 | 2015-08-26 | 常州优特科新能源科技有限公司 | Pole plate for bipolar zinc-nickel battery and preparation method thereof |
| CN104934554A (en) * | 2014-03-17 | 2015-09-23 | 科源（天津）电源部品有限公司 | Battery anti-explosion cover |
| CN106058138A (en) * | 2015-04-15 | 2016-10-26 | 深圳市豪鹏科技有限公司 | Positive electrode cap and cylindrical battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825085A (en) * | 1981-08-05 | 1983-02-15 | Furukawa Battery Co Ltd:The | Zinc alkaline secondary battery |
| CN1372703A (en) * | 1999-09-03 | 2002-10-02 | 能源投资有限公司(加拿大) | Rechargeable nicke-zinc cells |
-
2005
- 2005-03-14 CN CNB2005100539592A patent/CN100373680C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825085A (en) * | 1981-08-05 | 1983-02-15 | Furukawa Battery Co Ltd:The | Zinc alkaline secondary battery |
| CN1372703A (en) * | 1999-09-03 | 2002-10-02 | 能源投资有限公司(加拿大) | Rechargeable nicke-zinc cells |
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| CN1835271A (en) | 2006-09-20 |
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Granted publication date: 20080305 Termination date: 20100314 |