CN104157915B - A kind of high-capacity nickel-hydrogen battery and processing technology thereof - Google Patents
A kind of high-capacity nickel-hydrogen battery and processing technology thereof Download PDFInfo
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- CN104157915B CN104157915B CN201410444795.5A CN201410444795A CN104157915B CN 104157915 B CN104157915 B CN 104157915B CN 201410444795 A CN201410444795 A CN 201410444795A CN 104157915 B CN104157915 B CN 104157915B
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 34
- 239000001257 hydrogen Substances 0.000 title claims abstract description 34
- 238000005516 engineering process Methods 0.000 title claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 105
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 52
- 239000007774 positive electrode material Substances 0.000 claims abstract description 34
- 239000006260 foam Substances 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 22
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 239000011258 core-shell material Substances 0.000 claims abstract description 17
- 239000010941 cobalt Substances 0.000 claims abstract description 13
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims description 41
- 239000011159 matrix material Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 6
- 235000014676 Phragmites communis Nutrition 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 239000001996 bearing alloy Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000013543 active substance Substances 0.000 abstract description 7
- 229910018095 Ni-MH Inorganic materials 0.000 description 12
- 229910018477 Ni—MH Inorganic materials 0.000 description 12
- 238000003466 welding Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006277 sulfonation reaction Methods 0.000 description 3
- 239000011149 active material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
A kind of high-capacity nickel-hydrogen battery, including housing, block, enclosure interior is provided with the pole group being made up of negative pole, barrier film, positive pole, and block connects stage clip, is connected by stage clip between pole group and block；The positive electrode active materials of positive pole uses and covers cobalt zincification ball nickel and the mixture of zincification ball nickel, and the ratio covering cobalt zincification ball nickel and zincification ball nickel is 1:8 12；The negative active core-shell material of negative pole use inhale hydrogen platform low in add the alloyed powder of 12% 18% cobalt contents, thus improve the gram volume of alloyed powder, reduce inner pressure of battery.Anode collection mode is by realizing with the nickel foam limit being not filled by positive electrode active materials of stage clip extruding positive pole top.This kind of mode need not weld current collecting plates, improves battery efficiency of assembling significantly；Simultaneously because stage clip is taken up space little, the height of battery pole piece increases, and improves the loading of active substance, thus improves battery capacity and reduce inner pressure of battery.
Description
Technical field
The present invention relates to a kind of Ni-MH battery, particularly relate to a kind of high-capacity nickel-hydrogen battery and processing technology thereof.
Background technology
Along with the raising of social modernization's level, and the raising of environmental requirement, Ni-MH battery has obtained the most widely
Application, Ni-MH battery is widely used, along with Ni-MH battery is widely used in wireless electricity owing to having the characteristics such as chargeable, environmental protection
The civilian instruments such as words, camera, the requirement to Ni-MH battery capacity is more and more higher, and conventional nickel-hydrogen chargeable cell is usually because capacity is low
It is unable to the requirement reaching user to service time of battery.Conventional nickel-hydrogen chargeable cell when assembling due to positive pole collection to be welded
Flow table and cause production efficiency low and the needs in market can not be met.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, it is provided that a kind of high power capacity nickel hydride charging electricity
Pond, the problem low to solve conventional nickel-hydrogen chargeable cell capacity, solve conventional nickel-hydrogen chargeable cell because of positive pole collection to be welded simultaneously
Flow table and cause the problem that efficiency of assembling is low.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is: a kind of high-capacity nickel-hydrogen battery, including shell
Body, block, enclosure interior is provided with the pole group being made up of negative pole, barrier film, positive pole, and described block connects stage clip, described pole group
And connected by stage clip between block；The positive electrode active materials of described positive pole uses and covers cobalt zincification ball nickel and the mixing of zincification ball nickel
Thing, the ratio covering cobalt zincification ball nickel and zincification ball nickel is 1: 8-12；The negative active core-shell material of described negative pole uses suction hydrogen platform low
Inside add the alloyed powder of 12%-18% cobalt content, thus improve the gram volume of alloyed powder, reduce inner pressure of battery.
Above-mentioned high-capacity nickel-hydrogen battery, it is preferred that described positive pole uses continuous foamed nickel to do matrix, described positive pole top
Leave the wide nickel foam limit being not filled by positive electrode active materials of 1mm-2mm.
Above-mentioned high-capacity nickel-hydrogen battery, it is preferred that the nickel foam limit being not filled by positive electrode active materials described in above-mentioned exists
The upper end of pole group.
Above-mentioned high-capacity nickel-hydrogen battery, it is preferred that described stage clip thickness is 0.1mm-0.3mm, the reed welding of stage clip
In block, the top guide of stage clip is squeezed on the nickel foam limit being not filled by positive electrode active materials；Outside the top guide of stage clip with do not fill out
Fill the nickel foam limit extruding contact of positive electrode active materials.Anode collection mode is not filled by positive pole by stage clip extruding positive pole top
The nickel foam limit of active material realizes.This kind of mode need not weld current collecting plates, improves battery efficiency of assembling significantly；
Simultaneously because stage clip is taken up space little, the height of battery pole piece increases, and improves the loading of active substance, thus improves battery
Capacity and reduction inner pressure of battery.
Above-mentioned high-capacity nickel-hydrogen battery, it is preferred that described alloyed powder includes the 6H-of Beijing Hongfuyuan Science & Technology Co., Ltd.
30-1 alloyed powder or 6T-30-1 alloyed powder, the ML-12-1 alloyed powder of Xiamen Tungsten Industry Co., Ltd or ML-02-1 alloyed powder,
The T2A-180-1 alloyed powder of Inner Mongol AudioCodes in seventy years of age hydrogen bearing alloy company limited.
The processing technology of above-mentioned high-capacity nickel-hydrogen battery, comprises the following steps:
1) use wet processing to be filled in by negative active core-shell material on negative pole matrix, use dry process by positive-active material
Material is filled on the matrix of positive pole, and the matrix of described positive pole is continuous foam nickel, leaves wide not the filling out of 1mm-2mm in positive pole top
Fill the nickel foam limit of positive electrode active materials；
2) negative pole, barrier film, positive pole winding are formed pole group, described in be not filled by the nickel foam limit of positive electrode active materials in pole group
Upper end；
3) negative active core-shell material by the negative pole outmost turns after winding and with case contact part strikes off；
4) being assembled in housing pole, after the group loose winding of pole, the negative active core-shell material of negative pole strikes off and partly contacts with housing；
5) inject after electrolyte, group upper end, pole be not filled by the nickel foam limit of positive electrode active materials extrude a welding
There is the stage clip of block；
6) sealing ring is squeezed in the chien shih housing seal of block and housing, and makes block fix.
Above-mentioned high-capacity nickel-hydrogen battery, it is preferred that the employing of described barrier film processes through crosslinking technology and sulfonation technology
Barrier film.
Above-mentioned high-capacity nickel-hydrogen battery, it is preferred that the reeler used during described pole group winding is for quench with S690
The superfine winding needle that tempering high strength steel makes, the diameter of phi of described winding needle is 1.0-2.0mm.During winding, two ends fixture will volume
Cast-over is fixed, and so can ensure will not to distort or fracture under higher winding pressure when winding, can having battery pole group
Effect elasticity (in addition to winding needle) brings up to more than 97%, and effective elasticity of battery pole group can only be accomplished under normal circumstances
90%-95%。
Compared with prior art, it is an advantage of the current invention that: the high power capacity nickel-hydrogen chargeable cell that the present invention provides, it is not necessary to
Welding current collecting plates, can improve battery efficiency of assembling significantly；Simultaneously because the stage clip used is taken up space little, battery pole piece
Height increase, improve the loading of active substance, thus improve battery capacity and reduce inner pressure of battery.The present invention provides
Cell making process, the method scraping slurry by afterbody, the adjuvant struck off can recycle in time, strike off shared by partial supplementary material
Having got back utilization in space, improves the utilization rate of active substance and effective elasticity of pole group.
Accompanying drawing explanation
Fig. 1 is anode structure schematic diagram.
Fig. 2 is battery structure schematic diagram.
Fig. 3 is stage clip top view.
Fig. 4 is stage clip partial enlarged drawing in the battery.
Fig. 5 is winding needle front view in the present invention.
Fig. 6 is winding needle side view in the present invention.
Marginal data
1, housing；2, block；3, negative pole；4, barrier film；5, positive pole；6, pole group；7, stage clip；8, it is not filled by positive electrode active materials
Nickel foam limit；9, winding needle；10, stage clip centre bore；11, protruding；12, reed；13, top guide；14, sealing ring.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, the present invention is made more complete
Face, describe meticulously, but protection scope of the present invention is not limited to embodiment in detail below.
It should be strongly noted that when a certain element be described as " be fixed on, be fixed in, be connected to or be communicated in " another
Time on element, it can be directly the most fixing, affixed, connect or connect on another element, it is also possible to be by connecting in the middle of other
Fitting indirectly fixing, affixed, connect or connect on another element.
Unless otherwise defined, the implication that all technical term used hereinafter is generally understood that with those skilled in the art
Identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit the present invention
Protection domain.
Embodiment 1
As Figure 1-Figure 4, a kind of 50AAJ2500 Ni-MH battery, belong to high-capacity battery, being equipped with of battery is certain
Difficulty, in order to reduce the intrinsic pressure of battery as far as possible, improves gram volume and the loading of active substance, thus improves battery as far as possible
Capacity, the pole piece of battery must have enough height, therefore take and more particularly design, and the matrix of positive pole 5 uses continuously
Foamed Nickel does matrix material, and surface density is 320, the bubble being not filled by positive electrode active materials that 1mm is wide is left in positive pole 5 top
Foam nickel limit 8；It is not filled by the nickel foam limit 8 of positive electrode active materials in the upper end of pole group 6.Positive electrode active materials hickelous nydroxide uses
Cover cobalt zincification ball nickel to mix with 1:12 ratio with zincification ball nickel；The suction hydrogen platform that negative active core-shell material uses cobalt content to be 16% is low
Alloyed powder, if Xiamen Tungsten Industry Co., Ltd's model is the alloyed powder of ML12-1, thus improve the capacity of battery.Alloyed powder
Also can use the 6T-30-1 of Beijing Hongfuyuan Science & Technology Co., Ltd., the ML-02-1 of Xiamen Tungsten Industry Co., Ltd, the Inner Mongol
The T2A-180-1 of dilute AudioCodes hydrogen bearing alloy company limited.
In the present embodiment, 50AAJ2500 making nickel hydrogen battery technique, comprise the following steps: 1) use wet processing to bear
Pole active material is filled on negative pole 3 matrix, uses dry process to be filled in by positive electrode active materials on the matrix of positive pole 5, just
The matrix of pole 5 is continuous foam nickel, leaves the wide nickel foam limit being not filled by positive electrode active materials of 1mm-2mm in positive pole 5 top
8；
2) negative pole 3, barrier film 4, positive pole 5 are wound formation pole group 6, be not filled by the nickel foam limit 8 of positive electrode active materials in pole
The upper end of group 6；
3) negative active core-shell material by negative pole 3 outmost turns after winding and with housing 1 contact portion strikes off；
4) loading in housing 1 by pole group 6, after pole group 6 loose winding, the negative active core-shell material of negative pole 3 strikes off and partly connects with housing 1
Touch；
5) inject after electrolyte, pole group 6 upper end be not filled by the nickel foam limit 8 of positive electrode active materials extrude a weldering
It is connected to the stage clip 7 of block 2, and housing 1 is sealed；
6) the chien shih housing 1 that sealing ring 14 is squeezed in block 2 and housing 1 seals, and block 2 is fixed.
Use this technique can reduce the resistance between negative pole 3 and housing 1 and reduce inner pressure of battery；Negative pole 3 is scraped
The negative active core-shell material got off can re-use, and the slurry struck off is taken up space utilization of having got back, and improves positive and negative
The utilization rate of pole active substance and the effective elasticity of pole group 6.
In the present embodiment, barrier film 4 uses the barrier film processed through crosslinking technology and sulfonation technology, if model is FV4365M
Barrier film 4, both positive and negative polarity Capacity Ratio is 1:1.5, thus improves the efficiency for charge-discharge of battery.
In the present embodiment, as shown in Figure 5 and Figure 6, pole group 6 uses when winding and makes through S690 Q-tempering high strength steel
Superfine winding needle 9 be wound, the diameter of phi of winding needle 9 is 1mm, by two and half pins merge form；Winding needle 9 liang during winding
The fixture of end is fixed, and so can ensure that winding needle 9 will not be twisted or fracture under higher winding pressure when winding, will
The effective elasticity of pole group 6 refer to 97%, and effective elasticity of pole group 6 can only accomplish 90%-95% in the traditional case.Electricity
Block 2 being welded on the reed 12 of stage clip 7 during the assembling of pond, stage clip 7 thickness is 0.1mm, and welding manner is conventional single needle resistance
Weldering welding；Method is first the projection 11 in the middle of stage clip 7 to be pressed close in the middle of bottom block 2 with left hand, stage clip centre bore 10 cover alignment
The explosionproof hole of cap 2, the right hand is compacted stage clip 7 gently and is allowed to be adjacent to block 2, then with stage clip centre bore 10 as the center of circle, uniform spot welding
4-6 point.Pole group 6 after winding is loaded housing 1, injects electrolyte, sealing, the outside of the top guide 13 of sealing rear compression spring 7 with just
The nickel foam limit 8 being not filled by positive electrode active materials of upper surface, pole 5 extrudes contact and realizes anode collection, which adds positive pole
Effective width, make use of the top useful space, installation is convenient to.50AAJ2500mAH is produced with what this technique made
As shown in appendix 1, in subordinate list 1, battery number 1,2,3 is KH-AAJ2500 type routine Ni-MH battery detection knot to its discharging efficiency of battery
Really, battery number 4,5,6 is the testing result of 50AAJ2500 type Ni-MH battery of the present invention.Can be drawn what this technique made by subordinate list 1
Its capacity of battery improves a lot.
Embodiment 2
As Figure 1-Figure 4, a kind of 44AAAJ1000 high-capacity nickel-hydrogen battery, the matrix of positive pole 5 uses continuous foamed nickel
Doing matrix material, surface density is 320, it is 1:8's that positive electrode active materials uses zincification to cover cobalt ball nickel with zincification ball nickel ratio
Hickelous nydroxide, a nickel foam limit 8 being not filled by positive electrode active materials wide for 2mm is left in positive pole top；The negative pole of negative pole 3 is lived
Property material use cobalt content be 16% inhale the low alloyed powder of hydrogen platform, if Beijing Hongfuyuan Science & Technology Co., Ltd.'s model is 6H-
The alloyed powder of 30-1, thus improve the capacity of battery.
In the present embodiment, the processing technology of 44AAAJ1000 high power capacity nickel-hydrogen chargeable cell, comprise the following steps: 1) use
Negative active core-shell material is filled on negative pole 3 matrix by wet processing, uses dry process that positive electrode active materials is filled in positive pole 5
Matrix on, the matrix of described positive pole 5 is continuous foam nickel, leave in positive pole 5 top 2mm wide be not filled by positive electrode active materials
Nickel foam limit 8；
2) negative pole 3, barrier film 4, positive pole 5 are wound formation pole group 6, be not filled by the nickel foam limit 8 of positive electrode active materials in pole
The upper end of group 6；
3) negative active core-shell material by negative pole 3 outmost turns after winding and with housing 1 contact portion strikes off；
4) loading in housing 1 by pole group 6, after pole group 6 loose winding, the negative active core-shell material of negative pole 3 strikes off and partly connects with housing 1
Touch；
5) inject after electrolyte, pole group 6 upper end be not filled by the nickel foam limit 8 of positive electrode active materials extrude a weldering
It is connected to the stage clip 7 of block 2, and housing 1 is sealed；
6) the chien shih housing 1 that sealing ring 14 is squeezed in block 2 and housing 1 seals, and block 2 is fixed.
Use this technique can reduce the resistance between negative pole 3 and housing 1 and reduce inner pressure of battery；Negative pole 3 is scraped
The negative active core-shell material got off can re-use, and the slurry struck off is taken up space utilization of having got back, and improves positive and negative
The utilization rate of pole active substance and the effective elasticity of pole group 6.
In the present embodiment, barrier film 4 uses the barrier film processed through crosslinking technology and sulfonation technology, and the model of barrier film 4 is
SCIMAT700/78, thus improve the efficiency for charge-discharge of battery.
As shown in Figure 5 and Figure 6, in the present embodiment, use when pole group 6 winds and make through S690 Q-tempering high strength steel
Superfine winding needle 9 be wound, the diameter of phi of winding needle 9 is 2mm, by two and half pins merge form, winding needle 9 liang during winding
The fixture of end is fixed, and so can ensure that winding needle 9 will not be twisted or fracture under higher winding pressure when winding, will
The effective elasticity of pole group 6 refer to 98%, and effective elasticity of pole group 6 can only accomplish 90%-95% in the traditional case.Electricity
First block 2 being welded on the reed 12 of stage clip 7 during the assembling of pond, stage clip 7 thickness is 0.3mm, and welding manner is conventional single needle electricity
Welding resistance is welded；Method is first the projection 11 in the middle of stage clip 7 to be pressed close in the middle of bottom block 2 with left hand, and stage clip centre bore 10 is directed at
The explosionproof hole of block 2, the right hand is compacted stage clip 7 gently and is allowed to be adjacent to block 2, then with stage clip centre bore 10 as the center of circle, uniform point
Weldering 4-6 point.Pole group 6 after winding is loaded housing 1, injects electrolyte, sealing, on the top guide 13 of sealing rear compression spring 7 and positive pole 5
End face extruding contact realizes anode collection, which adds the effective width of positive pole, make use of the top useful space, installs also
Very convenient.The 44AAAJ1000 high power capacity nickel-hydrogen chargeable cell made by this technique, its discharging efficiency is as shown in subordinate list 2, attached
In table 2, battery number 1,2,3 is the testing result of KH-43AAAJ1000 type routine Ni-MH battery, and battery number 4,5,6 is the present invention
The testing result of 44AAAJ1000 type high-capacity nickel-hydrogen battery.Can be shown that its capacity of battery that this technique makes has relatively by subordinate list 2
Big raising.
Table 1: for KH-AAJ2500 routine Ni-MH battery and the testing result table of 50AAJ2500 type Ni-MH battery of the present invention.
Table 2: for KH-43AAAJ1000 type routine Ni-MH battery and 44AAAJ1000 type high-capacity nickel-hydrogen battery of the present invention
Testing result table.
Claims (4)
1. a high-capacity nickel-hydrogen battery, including housing (1), block (2), housing (1) is internal to be provided with by negative pole (3), barrier film
(4) the pole group (6) that, positive pole (5) forms, it is characterised in that: the upper connection of described block (2) has a stage clip (7), described pole group (6) and
Connected by stage clip (7) between block (2)；The positive electrode active materials of described positive pole (5) uses and covers cobalt zincification ball nickel and zincification ball
The mixture of nickel, the ratio covering cobalt zincification ball nickel and zincification ball nickel is 1: 8～1: 12；The negative active core-shell material of described negative pole (3)
The alloyed powder of 12%-18% cobalt content is added in using suction hydrogen platform low；
Described positive pole (5) uses continuous foamed nickel to do matrix, positive pole (5) top leave 1mm-2mm wide be not filled by positive-active
The nickel foam limit (8) of material；
The described upper end in pole group (6), the nickel foam limit (8) being not filled by positive electrode active materials；
Described stage clip (7) thickness is 0.1mm-0.3mm, and the reed (12) of stage clip (7) is welded in block (2)；Leading of stage clip (7)
Head (13) is squeezed on the nickel foam limit (8) being not filled by positive electrode active materials；
The outside of described top guide (13) contacts with nickel foam limit (8) extruding being not filled by positive electrode active materials.
High-capacity nickel-hydrogen battery the most according to claim 1, it is characterised in that: described alloyed powder includes Beijing Hong Fuyuan section
The 6H-30-1 alloyed powder of skill company limited or 6T-30-1 alloyed powder, the ML-12-1 alloyed powder of Xiamen Tungsten Industry Co., Ltd
Or ML-02-1 alloyed powder, the T2A-180-1 alloyed powder of Inner Mongol AudioCodes in seventy years of age hydrogen bearing alloy company limited.
3. the technique of the high-capacity nickel-hydrogen battery described in a manufacturing claims 1, it is characterised in that comprise the following steps:
1) use wet processing to be filled in by negative active core-shell material on negative pole (3) matrix, use dry process by positive-active material
Material is filled on the matrix of positive pole (5), and the matrix of described positive pole (5) is continuous foam nickel, leaves 1mm-in positive pole (5) top
What 2mm was wide is not filled by the nickel foam limit (8) of positive electrode active materials；
2) negative pole (3), barrier film (4), positive pole (5) winding are formed pole group (6), the winding work used during the winding of described pole group (6)
Tool is the superfine winding needle (9) made of S690 Q-tempering high intensity chromium steel, and the diameter of phi of described winding needle (9) is 1.0-
2.0mm, described in be not filled by the upper end in pole group (6), the nickel foam limit (8) of positive electrode active materials；
3) negative active core-shell material by negative pole (3) outmost turns after winding and with housing (1) contact portion strikes off；
4) loading in housing (1) by pole group (6), after pole group (6) loose winding, the negative active core-shell material of negative pole (3) strikes off part and housing
(1) contact；
5) after injecting electrolyte, in the nickel foam limit (8) being not filled by positive electrode active materials one weldering of upper extruding of pole group (6) upper end
It is connected to the stage clip (7) of block (2)；
6) the chien shih housing (1) that sealing ring (14) is squeezed in block (2) and housing (1) seals, and makes block (2) fix.
Processing technology the most according to claim 3, it is characterised in that: described barrier film (4) uses through crosslinking technology and sulphur
Change the barrier film (4) of technical finesse.
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| CN201410444795.5A CN104157915B (en) | 2014-09-03 | 2014-09-03 | A kind of high-capacity nickel-hydrogen battery and processing technology thereof |
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|---|---|---|---|
| CN201410444795.5A CN104157915B (en) | 2014-09-03 | 2014-09-03 | A kind of high-capacity nickel-hydrogen battery and processing technology thereof |
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| JP4661059B2 (en) * | 2004-02-23 | 2011-03-30 | パナソニック株式会社 | Alkaline storage battery and manufacturing method thereof |
| FR2886462B1 (en) * | 2005-05-26 | 2007-07-20 | Accumulateurs Fixes | ACTIVE MATERIAL COMPOSITION AND ALKALINE ELECTROLYTE BATTERY |
| CN101165960B (en) * | 2006-10-20 | 2011-08-17 | 兰州金川科力远电池有限公司 | Solar energy nickel-hydrogen charging battery manufacture process |
| CN100557864C (en) * | 2006-12-20 | 2009-11-04 | 北京有色金属研究总院 | A kind of high temperature Ni-MH electrokinetic cell Ni (OH) 2Positive active material and preparation method thereof |
| CN201466140U (en) * | 2009-06-08 | 2010-05-12 | 杭州富池动力能源有限公司 | Cylindrical nickel-zinc cell |
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