CN1960037A - Cathode piece of hydrogen-nickel battery, and method for fabricating hydrogen-nickel battery by using the cathode pieces - Google Patents
Cathode piece of hydrogen-nickel battery, and method for fabricating hydrogen-nickel battery by using the cathode pieces Download PDFInfo
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- CN1960037A CN1960037A CNA2006100631269A CN200610063126A CN1960037A CN 1960037 A CN1960037 A CN 1960037A CN A2006100631269 A CNA2006100631269 A CN A2006100631269A CN 200610063126 A CN200610063126 A CN 200610063126A CN 1960037 A CN1960037 A CN 1960037A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
Cathode piece includes long piece of single negative pole and short piece of single negative pole. Through connection basal body of negative pole, the method welds end of the long piece to the short piece so as to produce piece of dual negative poles. Small block of protective membrane with width being larger than width of the said connection basal body is welded to diaphragm corresponding to connection seam of piece of dual negative poles. Then, piece of dual negative poles, diaphragm, and positive pole are rolled into battery container. Hydrogen-nickel battery is assembled after injecting electrolyte, and installing seal ring of nut cap to the seal. The method could control and produce pole pieces with different thick nesses, and quantities of cathode active material. The method raises use ratio of cathode active material, reduces thickness of pole, and occupied volume, and raises efficiency for manufacturing battery.
Description
Technical field
The present invention relates to be used for directly changing the electrode manufacturing that chemical energy is the battery of electric energy, the Ni-H cell manufacture method that especially relates to a kind of Ni-H cell negative plate and adopt it.
Background technology
Ni-H cell is the high energy alkaline secondary cell of new generation after ickel-cadmium cell, has high power capacity, characteristics such as high-power, pollution-free, is one of important developing direction of current secondary cell.The AA type Ni-H cell structure of existing single negative plate is shown in figure l, mainly by positive plate 2, negative plate 4, barrier film 3, battery container 5, and electrolyte and cap sealed circle are formed, negative plate 4 is by barrier film 3, positive plate 2 is encased fully from length direction and Width, and end one circle negative plate 4 contacts with battery container 5.The place of the positive plate 2 that arbitrary no negative plate 4 encases all will reduce the performance of positive active material, and the combining probability and will reduce of anodal oxygen of separating out and negative pole in the process of overcharging causes inner pressure of battery excessive.For preventing battery short circuit to take place, generally be to adopt micromesentery to strengthen the puncture resistance of barrier film at the big volume core place of coiling crackle.But, negative plate 4 outmost turns of this battery structure are that the negative alloy powder that the negative pole afterbody is pressed close to battery container 5 one sides contacts with battery container 5, relative positive active material, there is the capacity surplus in negative electrode active material herein, take battery space, utilance is the defective about 60% only, when making high-capacity battery, also can increase the battery assembly difficulty, restrict the development of high-capacity battery to a certain extent.
Summary of the invention
A technical problem to be solved by this invention is, overcome existing negative pole afterbody active material capacity surplus, the defective that utilance is not high, internal structure and process modification aspect from battery, a kind of Ni-H cell negative plate is proposed, it can not only improve the utilance of negative electrode active material, and can improve the serviceability of battery.
Another technical problem to be solved by this invention is, overcome existing negative pole afterbody active material capacity surplus, the defective that utilance is not high, from the internal structure and the process modification aspect of battery, a kind of Ni-H cell manufacture method that adopts above-mentioned Ni-H cell negative plate is proposed, it can not only improve the utilance of negative electrode active material, and can be on the basis that guarantees battery performance, reduce the negative electrode active material consumption, reduce the battery cost, improve the serviceability of battery.
For the Ni-H cell negative plate, technical problem of the present invention is solved by the following technical programs:
This Ni-H cell negative plate comprises that network negative electrodes sheet matrix and embedding ooze the negative electrode active material on the network negative electrodes sheet matrix.
The characteristics of this Ni-H cell negative plate are:
Described negative plate is the two negative plates that comprise monolithic negative pole lengthy motion picture and the short-movie of monolithic negative pole, forms by the short-movie of negative pole connection matrix welding monolithic negative pole at the end of monolithic negative pole lengthy motion picture.This pair of negative plate can be controlled effectively and make different-thickness and ooze the pole piece of different negative electrode active material quality with embedding, improves the utilance of negative electrode active material and the serviceability of battery.
For the Ni-H cell negative plate, technical problem of the present invention is solved by following further technical scheme:
The units activity amount that described negative pole short-movie embedding is oozed is 55%~65% of the negative pole lengthy motion picture embedding units activity amount of oozing.Can corresponding minimizing two negative plates thickness and take the volume of housing, reduce production cost of cells and assembly difficulty, significantly improve the manufacturing efficient of battery.If the corresponding in proportion embedding of negative electrode active material of saving is oozed in negative pole lengthy motion picture, negative pole short-movie, can also improve battery performance.
Described network negative electrodes sheet matrix is to cut to draw in the net shape collector band, comprises copper mesh, nickel plating steel mesh, nickel wire net.Make negative electrode active material mass-energy evenly, embedding is oozed to the mesh of matrix effectively, and the two sides that is distributed in matrix.
The negative electrode active material that described embedding is oozed on the network negative electrodes sheet matrix comprises the rare earth hydrogen-storage alloy.
It is the solderability conducting base that described negative pole connects matrix, and described solderability conducting base comprises pure nickel band, nickel foil, nickel plated steel strip, Copper Foil.
For two negative plate Ni-H cell manufacture methods, technical problem of the present invention is solved by the following technical programs:
This pair of negative plate Ni-H cell manufacture method has following steps successively:
(1) makes positive and negative plate; (2) assembled battery; (3) battery changes into.
The characteristics of this pair of negative plate Ni-H cell manufacture method are:
Described manufacturing positive and negative plate comprises that negative pole lengthy motion picture, the negative pole short-movie that will make cut into monolithic respectively, and the end at monolithic negative pole lengthy motion picture connects the two negative plates of matrix welding monolithic negative pole short-movie composition by negative pole again.
Described assembled battery is elder generation's welding one width on the barrier film of the connection seam corresponding position of two negative plates connects matrix width greater than negative pole fritter diaphragm; the barrier film that will be welded with the fritter diaphragm again places between the positive/negative plate; then with two negative plates; barrier film; positive plate is rolled into the tubular battery container of packing into; end one circle of packing into behind the battery container is the short-movie of monolithic negative pole; it is connected matrix and all contacts with battery container with negative pole; barrier film is lived positive plate from length direction and the complete winding of Width; and be welded with the fritter diaphragm on the barrier film of two negative plates connection seams corresponding position, after annotate electrolyte; installation block sealing ring seals and is assembled into Ni-H cell.
For two negative plate Ni-H cell manufacture methods, technical problem of the present invention is solved by following further technical scheme:
The manufacturing of described negative plate is earlier the network negative electrodes sheet matrix to be passed from the powder case of built-in negative electrode active material, make the negative electrode active material embedding ooze mesh and two sides at the network negative electrodes sheet matrix, then impregnation, remove surperficial surplus glue, oven dry, roll-in draws and cut.
The welding that described negative pole connects matrix is a kind of in spot welding, butt-joint, the Laser Welding.
The film bonding machine is adopted in the welding of described fritter diaphragm.
Described barrier film and fritter diaphragm are the non-weaving cloth barrier films of handling through oversulfonate, can reach long time stored effect.
Described sulfonation handle be that oleum is handled, chlorosulfonic acid is handled, a kind of in handling of anhydrous slufuric acid.
Described non-weaving cloth is the non-weaving cloth that the polyalkenes fiber is made.
Described polyalkenes fiber is a kind of in polypropylene fibre, the polyethylene fibre.
The beneficial effect that the present invention is compared with the prior art is:
(1) employing is connected matrix by negative pole lengthy motion picture, negative pole short-movie and the negative pole that negative pole lengthy motion picture and negative pole short-movie is integrally welded and forms two negative plates, can control effectively and make different-thickness and ooze the pole piece of different negative electrode active material quality, improve the utilance of negative electrode active material and the serviceability of battery with embedding.Welding one width connects the fritter diaphragm of matrix width greater than negative pole on the barrier film of the connection of two negative plates seam corresponding position; the burr that can prevent long and short junction of negative pole pierces through barrier film and causes battery micro-short circuit even short circuit; can also when two negative plates are rolled into tubular, play the compensator or trimmer pressure effect, avoid the connection seam of two negative plates when reeling, to rupture owing in uneven thickness.
(2) the negative pole short-movie embedding units activity amount of oozing is 55%~65% of the negative pole lengthy motion picture embedding units activity amount of oozing, can corresponding minimizing two negative plates thickness and take the volume of housing, reduce production cost of cells and assembly difficulty, significantly improve the manufacturing efficient of battery, if the corresponding in proportion embedding of negative electrode active material of saving is oozed at the negative pole lengthy motion picture, in the negative pole short-movie, can also improve battery performance, make it meet international relevant criterion, these standards comprise (the InternationalEletrotechnical Commission of International Electrotechnical Commission, abbreviation IEC) the IEC 62133-2002-that works out contains the storage battery and the batteries of alkalescence or other nonacid electrolyte, the safety requirements of portable sealed storage battery and batteries, and the UL 2054-family expenses and the commercial batteries standard of safety of America test experience chamber company (Underwriters Laboratories Inc is called for short UL) formulation.
Description of drawings
Below in conjunction with embodiment and contrast accompanying drawing the present invention is further described.
Fig. 1 is the cross section structural representation of the AA type Ni-H cell of existing single negative plate;
Fig. 2 is the cross section structural representation of high power capacity AA type Ni-H cell of two negative plates of the specific embodiment of the invention.
Embodiment
A kind of capacity is the AA type Ni-H cell of 2400mAh, and its negative plate is the two negative plates that comprise monolithic negative pole lengthy motion picture 4 and monolithic negative pole short-movie 7, forms by the 6 welding monolithic negative pole short-movies 7 of pure nickel band negative pole connection matrix at the end of monolithic negative pole lengthy motion picture 4.
The Ni-H cell manufacture method of this pair of negative plate has the positive/negative plate of manufacturing, assembled battery and battery to change into step successively.Wherein the manufacturing of negative plate is earlier nickel plating steel mesh negative plate matrix to be passed from the powder case of built-in rare earth hydrogen-storage alloy powder, make the embedding of rare earth hydrogen-storage alloy powder ooze mesh and two sides at nickel plating steel mesh negative plate matrix, then impregnation, remove surperficial surplus glue, oven dry, roll-in and draw and cut and make monolithic negative pole lengthy motion picture 4, monolithic negative pole short-movie 7 respectively, connect matrix 6 welding monolithic negative pole short-movies 7 at the end of monolithic negative pole lengthy motion picture 4 by pure nickel band negative pole again and form two negative plates.
And assembled battery is elder generation's welding one width on the barrier film 3 of the connection seam corresponding position of two negative plates connects matrix 6 width greater than pure nickel band negative pole fritter diaphragm 8; the barrier film 3 that will be welded with fritter diaphragm 8 again places between the positive/negative plate; then with two negative plates; barrier film 3; positive plate 2 is rolled into the tubular battery container 5 of packing into; end one circle of packing into behind the battery container 5 is monolithic negative pole short-movie 7; it is connected matrix 6 with pure nickel band negative pole and all contacts with battery container 5; barrier film 3 is lived positive plate 2 from length direction and the complete winding of Width; and be welded with fritter diaphragm 8 on the barrier film 3 of two negative plates connection seams corresponding position, after annotate electrolyte; installation block sealing ring seals and is assembled into Ni-H cell.
Above-mentionedly connect matrix 6 with pure nickel band negative pole monolithic negative pole lengthy motion picture 4, monolithic negative pole short-movie 7 are connected into two negative plates is to weld on spot welding machine, during welding, the running fix mould guarantees that solder joint is evenly firm, plays the favorable conductive effect.Capillary head diameter 0.5mm~2.0mm, solder joint are in pure nickel band negative pole and connect between matrix 6 edges and monolithic negative pole short-movie 7, the monolithic negative pole lengthy motion picture 4 fillets edge, forbid to exceed, in order to avoid follow-up manufacturing is difficult.For the operation that guarantees follow-up manufacturing process is normal, the general little 2mm~10mm of height dimension that selects than pole piece of the requirement of pure nickel band aspect length; Pure nickel bandwidth direction is of a size of 2mm~8mm.Adopt the elastic gum running roller will weld qualified two negative plate shapings after the welding again, make it smooth and soft, gap adjustment between two rubber rolls wheel is extremely than the little 0.02mm~0.05mm of junction gross thickness, the gap is too little not too big yet, in order to avoid the distortion of pole piece and solder joint in addition destroyed or shaping to no effect, cause follow-up manufacturings difficult.
The AA Ni-H cell contrast test data such as the table 1~table 8 of the high power capacity AA Ni-H cell of two negative plates that the inventive method is made and existing single negative plate of control group.Except that the manufacturing and assembled battery of negative plate, other adopts same technology condition to make under same environment.
At first contrast the AA type Ni-H cell of seven groups of single, double negative plates: the negative pole of organizing single negative plate group (hereinafter to be referred as scheme 1) of 1 in contrast adopts the monolithic design; The negative pole of two negative plate group 1-~6 that the inventive method is made adopts negative pole lengthy motion picture and negative pole short-movie biplate form, the negative pole powder amount of negative pole lengthy motion picture unit are and single negative plate group are identical, and the negative pole short-movie carries out following design according to the outer ring negative electrode active material by utilance:
In two negative plate groups 1 (hereinafter to be referred as scheme 2) negative pole short-movie powder amount be in single negative plate group corresponding powder amount 100%;
In two negative plate groups 2 (hereinafter to be referred as scheme 3) negative pole short-movie powder amount be in single negative plate group corresponding powder amount 90%;
In two negative plate groups 3 (hereinafter to be referred as scheme 4) negative pole short-movie powder amount be in single negative plate group corresponding powder amount 80%;
In two negative plate groups 4 (hereinafter to be referred as scheme 5) negative pole short-movie powder amount be in single negative plate group corresponding powder amount 70%;
In two negative plate groups 5 (hereinafter to be referred as scheme 6) negative pole short-movie powder amount be in single negative plate group corresponding powder amount 60%;
In two negative plate groups 6 (hereinafter to be referred as scheme 7) negative pole short-movie powder amount be in single negative plate group corresponding powder amount 50%.
More than the negative plate parameter such as the table 1 of seven Battery packs:
Table 1
Type/contrast | Pole piece loading g | Pole piece length * wide mm | Pole piece |
Scheme | |||
1 | 10.0 | 120×43.5 | 0.314 |
Scheme 2 | Lengthy motion picture 6.50 short-movies 3.50 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.314 short-movie 0.314 |
| Lengthy motion picture 6.50 short-movies 3.15 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.314 short-movie 0.287 |
| Lengthy motion picture 6.50 short-movies 2.80 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.314 short-movie 0.260 |
| Lengthy motion picture 6.50 short-movies 2.45 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.310 short-movie 0.233 |
Scheme 6 | Lengthy motion picture 6.50 short-movies 2.10 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.314 short-movie 0.205 |
Scheme 7 | Lengthy motion picture 6.50 short-movies 1.75 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.314 short-movie 0.177 |
After scheme 1~7 battery changes into, detect battery capacity by the IEC mode, internal resistance, interior pressure and 0.5C accelerated aging, test result such as table 2:
Table 2
Type/ | Scheme | 1 | Scheme 2 | | | | Scheme 6 | Scheme 7 |
Capacity mAh | 2433 | 2428 | 2437 | 2430 | 2430 | 2433 | 2420 | |
Internal resistance m Ω | 18.3 | 19.2 | 19.0 | 19.5 | 19.3 | 19.4 | 19.6 | |
Interior (mPa) 0.5C * 140min that presses | 1.82 | 1.84 | 1.79 | 1.82 | 1.84 | 1.83 | 1.90 | |
0.5C life-span (inferior) initial capacity 60% | 289 | 282 | 291 | 287 | 285 | 288 | 278 |
Be discharged to 1.0V after scheme 1~7 battery changes into, again with 0.5C to discharge time such as the table 3 of battery discharge to-0.5V:
Table 3
Type/ | Scheme | 1 | Scheme 2 | | | | Scheme 6 | Scheme 7 |
Discharge time (min) | 38.3 | 37.1 | 37.3 | 37.8 | 37.9 | 38.4 | 38.0 |
Can converse the negative pole actual capacity such as the table 4 of scheme 1~7 battery by table 3:
Table 4
Type/ | Scheme | 1 | Scheme 2 | | | | Scheme 6 | Scheme 7 |
Capacity (mAh) | 3199 | 3170 | 3183 | 3186 | 3188 | 3201 | 3180 |
Contrast the AA type Ni-H cell of two groups of single, double negative plates again: organize two negative plate groups 7 (hereinafter to be referred as scheme 9) that single negative plate group (hereinafter to be referred as scheme 8) of 2 and the inventive method are made in contrast, the negative electrode active material of two Battery packs is identical, the negative pole short-movie of scheme 9 batteries reduces powder amount 40%, and the powder amount that reduces all is filled in the negative pole lengthy motion picture scheme 8,9 battery cathode sheet parameter such as tables 5:
Table 5
Type/contrast | Pole piece loading g | Pole piece length * wide mm | Pole piece |
Scheme | |||
8 | 10.0 | 120×43.5 | 0.314 |
Scheme 9 | Lengthy motion picture 7.90 short-movies 2.10 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.334 short-movie 0.205 |
After scheme 8,9 batteries change into, detect battery capacity by the IEC mode, internal resistance, interior pressure and 0.5C accelerated aging, test result such as table 6:
Table 6
Type/contrast | Capacity mAh | Internal resistance m Ω | Interior (mPa) 0.5C * 140min that presses | 0.5C life-span (inferior) initial capacity 60% |
| 2435 | 18.5 | 1.84 | 185 |
Scheme 9 | 2451 | 18.0 | 1.75 | 231 |
Scheme 11 | 2533 | 17.8 | 1.83 | 173 |
Be discharged to 1.0V after changing into by scheme 8,9 batteries, again with 0.5C to the discharge time of battery discharge to-0.5V, converse the negative pole actual capacity such as the table 7 of scheme 8,9 batteries:
Table 7
Type/ | Scheme | 8 | Scheme 9 |
Capacity (mAh) | 3199 | 3551 |
Show that the negative pole actual capacity of scheme 9 batteries of the inventive method manufacturing is higher than the negative pole actual capacity of scheme 8 batteries of control group 2.
Contrast the AA type Ni-H cell of the single, double negative plate of two groups of 2500mAh high power capacity at last: organize two negative plate groups 8 (hereinafter to be referred as scheme 11) that single negative plate group (hereinafter to be referred as scheme 10) of 3 and the inventive method are made in contrast, the negative plate parameter such as the table 8 of scheme 10,11 batteries:
Table 8
Type/contrast | Pole piece loading g | Pole piece length * wide mm | Pole piece thickness mm | The assembling degree |
Scheme 10 | 10.4 | 120×43.5 | 0.327 | 95.1% |
Scheme 11 | Lengthy motion picture 6.76 short-movies 2.18 | Lengthy motion picture 78 * 43.5 short-movies 42 * 43.5 | Lengthy motion picture 0.327 short-movie 0.210 | 91.8% |
The assembling degree of scheme 10 batteries reaches 95.1%, according to actual coiling situation, can't assemble manufacturing; The negative pole powder amount and scheme 10 batteries of the negative pole lengthy motion picture unit are of scheme 11 batteries are identical, are 60% design negative pole short-movie with outer ring negative electrode active material utilance, can make on no any difficulty ground.After scheme 11 batteries change into, detect battery capacity, internal resistance, interior pressure and 0.5C accelerated aging test result such as table 6 by the IEC mode.Show that the actual capacity of high volume solutions 11 batteries of the inventive method manufacturing is higher than the actual capacity of scheme 9 batteries of the inventive method manufacturing.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (10)
1. Ni-H cell negative plate comprises that network negative electrodes sheet matrix and embedding ooze the negative electrode active material on the network negative electrodes sheet matrix, it is characterized in that:
Described negative plate is the two negative plates that comprise monolithic negative pole lengthy motion picture and the short-movie of monolithic negative pole, forms by the short-movie of negative pole connection matrix welding monolithic negative pole at the end of monolithic negative pole lengthy motion picture.
2. according to the described Ni-H cell negative plate of claim 1, it is characterized in that:
The units activity amount that described negative pole short-movie embedding is oozed is 55%~65% of the negative pole lengthy motion picture embedding units activity amount of oozing.
3. according to claim 1 or 2 described Ni-H cell negative plates, it is characterized in that:
Described network negative electrodes sheet matrix is to cut to draw in the net shape collector band, comprises copper mesh, nickel plating steel mesh, nickel wire net.
4. according to the described Ni-H cell negative plate of claim 3, it is characterized in that:
The negative electrode active material that described embedding is oozed on the network negative electrodes sheet matrix comprises the rare earth hydrogen-storage alloy.
5. according to the described Ni-H cell negative plate of claim 4, it is characterized in that:
It is the solderability conducting base that described negative pole connects matrix, and described solderability conducting base comprises pure nickel band, nickel foil, nickel plated steel strip, Copper Foil.
6. a Ni-H cell manufacture method has following steps: (1) manufacturing positive and negative plate successively; (2) assembled battery; (3) battery changes into, and it is characterized in that:
Described manufacturing positive and negative plate comprises that negative pole lengthy motion picture, the negative pole short-movie that will make cut into monolithic respectively, and the end at monolithic negative pole lengthy motion picture connects the two negative plates of matrix welding monolithic negative pole short-movie composition by negative pole again;
Described assembled battery is elder generation's welding one width on the barrier film of the connection seam corresponding position of two negative plates connects matrix width greater than negative pole fritter diaphragm; the barrier film that will be welded with the fritter diaphragm again places between the positive/negative plate; then with two negative plates; barrier film; positive plate is rolled into the tubular battery container of packing into; end one circle of packing into behind the battery container is the short-movie of monolithic negative pole; it is connected matrix and all contacts with battery container with negative pole; barrier film is lived positive plate from length direction and the complete winding of Width; and be welded with the fritter diaphragm on the barrier film of two negative plates connection seams corresponding position, after annotate electrolyte; installation block sealing ring seals and is assembled into Ni-H cell.
7. according to the described Ni-H cell manufacture method of claim 6, it is characterized in that:
The manufacturing of described negative plate is earlier the network negative electrodes sheet matrix to be passed from the powder case of built-in negative electrode active material, make the negative electrode active material embedding ooze mesh and two sides at the network negative electrodes sheet matrix, then impregnation, remove surperficial surplus glue, oven dry, roll-in draws and cut.
8. according to the described Ni-H cell manufacture method of claim 7, it is characterized in that:
The welding that described negative pole connects matrix is a kind of in spot welding, butt-joint, the Laser Welding;
The film bonding machine is adopted in the welding of described fritter diaphragm.
9. according to the described Ni-H cell manufacture method of claim 8, it is characterized in that:
Described barrier film and fritter diaphragm are the non-weaving cloth barrier films of handling through oversulfonate.
10. according to the described Ni-H cell manufacture method of claim 9, it is characterized in that:
Described sulfonation handle be that oleum is handled, chlorosulfonic acid is handled, a kind of in handling of anhydrous slufuric acid.
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CNB2006100631269A CN100442576C (en) | 2006-10-13 | 2006-10-13 | Cathode piece of hydrogen-nickel battery, and method for fabricating hydrogen-nickel battery by using the cathode pieces |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102280667A (en) * | 2011-07-12 | 2011-12-14 | 深圳市豪鹏科技有限公司 | Nickel-metal hydride battery |
CN111769316A (en) * | 2020-06-08 | 2020-10-13 | 深圳市诚捷智能装备股份有限公司 | Battery preparation machine and battery preparation method |
CN115117466A (en) * | 2022-06-17 | 2022-09-27 | 重庆宏辰科扬能源有限责任公司 | Production process of cylindrical high-voltage nickel-hydrogen battery |
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CN1085896C (en) * | 1997-12-19 | 2002-05-29 | 王纪三 | Electrode of charging battery and method and equipment for making electrode |
JP2005050771A (en) * | 2003-07-31 | 2005-02-24 | Sanyo Electric Co Ltd | Battery |
JP4359100B2 (en) * | 2003-08-04 | 2009-11-04 | 三洋電機株式会社 | Cylindrical alkaline storage battery |
JP4359098B2 (en) * | 2003-08-04 | 2009-11-04 | 三洋電機株式会社 | Cylindrical alkaline storage battery |
JP4967229B2 (en) * | 2004-11-30 | 2012-07-04 | 株式会社Gsユアサ | A negative electrode plate for an alkaline secondary battery and an alkaline secondary battery to which the negative electrode plate is applied. |
CN1320681C (en) * | 2005-05-31 | 2007-06-06 | 深圳市豪鹏科技有限公司 | Long time stored nickel-hydrogen battery and mfg. method thereof |
CN1819320A (en) * | 2006-03-08 | 2006-08-16 | 赵兵 | Columnar nickel hydrogen secondary battery and production thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102280667A (en) * | 2011-07-12 | 2011-12-14 | 深圳市豪鹏科技有限公司 | Nickel-metal hydride battery |
CN102280667B (en) * | 2011-07-12 | 2014-05-07 | 深圳市豪鹏科技有限公司 | Nickel-metal hydride battery |
CN111769316A (en) * | 2020-06-08 | 2020-10-13 | 深圳市诚捷智能装备股份有限公司 | Battery preparation machine and battery preparation method |
CN111769316B (en) * | 2020-06-08 | 2021-11-16 | 深圳市诚捷智能装备股份有限公司 | Battery preparation machine and battery preparation method |
CN115117466A (en) * | 2022-06-17 | 2022-09-27 | 重庆宏辰科扬能源有限责任公司 | Production process of cylindrical high-voltage nickel-hydrogen battery |
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