CN101165960B - Solar energy nickel-hydrogen charging battery manufacture process - Google Patents
Solar energy nickel-hydrogen charging battery manufacture process Download PDFInfo
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- CN101165960B CN101165960B CN2006100324330A CN200610032433A CN101165960B CN 101165960 B CN101165960 B CN 101165960B CN 2006100324330 A CN2006100324330 A CN 2006100324330A CN 200610032433 A CN200610032433 A CN 200610032433A CN 101165960 B CN101165960 B CN 101165960B
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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
This invention relates to a process method for solar NiH charge batteries including installing positive, negative and membranes in a steel shell filled with electrolyte and filling active materials in the positive and negative, and negative alloy powder is a long life one of low hydrogen-absorption platform, the positive matrix is a dense foam nickel and the positive active material is a mixed material of Zn Co-coated ball Ni and Zn ball Ni, the membrane is processed by graft and plasma technology, the contact area of the negative and the shell is great and volume ratio of the positive and negative is 1 : 1.6-2.2.
Description
Technical field:
The present invention relates to a kind of solar energy charging battery, be specifically related to a kind of manufacture craft of solar energy nickel-hydrogen charging battery.
Background technology:
Along with the raising of social modernization's level, the increase of urban green space area, the becoming increasingly abundant of people's culture life, environmental protection, energy-conservation solar lawn lamp and sound equipment have obtained application more and more widely, and people are also more and more higher to the requirement of rechargeable battery.But existing solar energy nickel-hydrogen charging battery charge efficiency is low, the overdischarge restorability is poor, particularly overcast and rainy many in South China Urban, the illumination deficiency, the normal charge battery is because of the undercharge on daytime, and continue the illumination that low discharging current guarantees Lawn lamp evening again, because charge efficiency is low, not only can not guarantee the lighting hours of Lawn lamp, also can influence the useful life of battery because of the long-time overdischarge of battery.
Summary of the invention:
Technical problem to be solved by this invention is: solve the problem that above-mentioned prior art exists, and provide that a kind of charge efficiency height, overdischarge restorability are good, the manufacture craft of the solar energy nickel-hydrogen charging battery of long service life, applied range.
The technical solution used in the present invention is: the manufacture craft of this solar energy nickel-hydrogen charging battery, in box hat, install anodal, negative pole, barrier film, both positive and negative polarity is filled active material, in the box hat and inject electrolyte, active material comprises negative alloy powder, anodal conductive agent, anodal ball-type hickelous nydroxide, described negative alloy powder adopts inhales the low long-life type alloyed powder of hydrogen platform, the big foaming nickel of described anodal matrix adopting surface density, the zincification that adds cobalt in anodal ball-type hickelous nydroxide adopts covers the mixture of cobalt ball nickel and zincification ball nickel, and described barrier film adopts the barrier film through crosslinking technology and plasma technology processing.
In the technique scheme, negative plate of the same area improves the negative plate height, reduce negative plate length, and positive plate is longer than by negative plate bottom.
In the technique scheme, the positive and negative electrode Capacity Ratio is between 1: 1.6-2.2.
In the technique scheme, the low long-life type alloyed powder of described suction hydrogen platform can adopt Jin Feng boat 6C-30 or Jin Feng boat 6H-30,6T-30, L11T-30, Xiamen tungsten industry ML-01, ML-02, ML-04, Inner Mongol AudioCodes in seventy years of age T2A-180 etc.
In the technique scheme, the mixed proportion that the zincification that adds cobalt in described covers cobalt ball nickel and common zincification ball nickel is 1: 06-1.5
In the technique scheme, described barrier film through crosslinking technology and plasma technology processing adopts soak type barrier film.
In the technique scheme, described anodal conductive agent is meant at least a material that adds in acetylene black, graphite, cobalt protoxide, the metal nickel powder etc. in positive pole.Cobalt protoxide is the material that must use.
Negative alloy powder of the present invention adopts inhales the low long-life type alloyed powder of hydrogen platform, thereby the low current charge efficient and the useful life of having improved battery, the big foaming nickel of anodal matrix adopting surface density, conduction nickel screen content is more in the big foaming nickel of surface density, the catchment effect of battery is strengthened, improve battery charge efficient, the zincification that adds cobalt in positive electrode active materials adopts covers cobalt ball nickel to be mixed in certain proportion with common zincification ball nickel, the low current charge efficient and the overdischarge restorability of battery have been improved greatly, barrier film of the present invention adopts the barrier film through crosslinking technology and plasma technology processing, also improved the charge efficiency of battery, both positive and negative polarity structure of the present invention, negative pole and box hat contact area are increased reduce the internal resistance of cell, the both positive and negative polarity Capacity Ratio is between 1: 1.6-2.2, and the capacity of negative plates of capacity has guaranteed the overdischarge recovery capability of battery.Therefore, the present invention has realized battery high recharge efficiency, high overdischarge restorability and long-life by the selection to structure optimization, capacity ratio, anodal proportioning and the battery diaphragm of the selection of active material, both positive and negative polarity.
Description of drawings:
Fig. 1 is 72 * 18mm negative plate shape figure
Fig. 2 is 40 * 32mm negative plate shape figure
Fig. 3 is that conventional batteries and the technology of the present invention of specifications and models KH-AAJ400 is made battery detecting table as a result
Fig. 4 is that conventional batteries and the technology of the present invention of specifications and models KH-AAJ1300 is made battery detecting table as a result
Embodiment:
The present invention mainly is by the selection to structure optimization, capacity ratio and the battery diaphragm of the selection of active material, positive/negative plate, reaches the requirement of satisfying the battery high recharge efficiency.
Active material of the present invention comprises negative alloy powder, anodal basis material, anodal conductive agent, anodal ball-type hickelous nydroxide, diaphragm paper.Negative alloy powder of the present invention adopts inhales the low long-life type alloyed powder of hydrogen platform, as Jin Feng boat 6C-30,6H-30,6T-30, L11T-30, Xiamen tungsten industry ML-01, ML-02, ML-04, the T2A-180 of Inner Mongol AudioCodes in the seventy years of age etc., because cobalt content is higher in these alloyed powders, thereby improve the low current charge efficient and the useful life of battery, the big foaming nickel of anodal matrix adopting surface density described in the present invention, nickel screen content is more because of conducting electricity in the big foaming nickel of surface density, the catchment effect of battery is strengthened, improve battery charge efficient, thereby improve the charge efficiency of battery; The zincification that adds cobalt in positive electrode active materials adopts covers cobalt ball nickel to be mixed in certain proportion with common zincification ball nickel, can improve the low current charge efficient of battery greatly, and its principle is as follows: Ni (OH)
2Be a kind of typical p N-type semiconductor N,, reduce Ni (OH) so when making positive pole, will add electric conductivity material such as cobalt protoxide, cobalt powder, nickel powder or graphite etc. preferably
2Between the particle or the contact resistance between particle and the conducting base, the cobalt protoxide of adding changes CoOOH into after charging, and this is just at Ni (OH)
2Provide a good electron channel between particle and matrix, and CoOOH is not reduced in discharge process, but in the whole use of electrode as permanent collector, (conductance of β-CoOOH is 50 * 10
-1M Ω/cm, and the conductance of β-NiOOH has only 10
-1M Ω/cm.) at present the positive pole of domestic common Ni-MH battery be to carry out mechanical mixture with zincification ball nickel and conductive agent cobalt protoxide to insert in the matrix again, but mechanical mixture can not make cobalt be evenly distributed in each ball-type Ni (OH)
2Particle surface, so the CoOOH that charging process generates distributes can be very uneven yet, this just makes electrode reaction to carry out equably, can not guarantee between particle and the particle, form the favorable conductive layer between particle and the matrix, when for example charging, CoOOH many local active matter mass-energy that distributes successfully is oxidized to β-NiOOH, even be oxidized to γ NiOOH because of overcharging, and CoOOH few place that distributes, reaction can not be carried out smoothly, active material even also be left β-Ni (OH)
2, cause anodal low current charge efficient very low; And cover cobalt ball nickel is at each hydroxide nickel surface cobalt plating, is reflected to carry out in the solution, therefore can guarantee at each Ni (OH)
2Particle surface generates even metal cobalt layer.Generate CoOOH during charging and also can be evenly distributed in each Ni (OH)
2Particle surface, this has just guaranteed Ni (OH)
2With matrix and Ni (OH)
2Unobstructed electron channel is arranged in charge and discharge process between the particle, therefore can improve anodal charge efficiency greatly, particularly during low current charge, situation is also similar during discharge, the uniform conductive network can fully guarantee charge and can emit smoothly, the shortcoming of covering cobalt ball nickel is that antioxygenic property is relatively poor, process time is required very strict, the manufacture craft of current battery can not satisfy, for adapting to production requirement, our employing is covered cobalt ball nickel and is mixed the best joint that finds both with common ball nickel, mixed powder improves a lot than the single cobalt ball nickel stability of covering, can satisfy the requirement of high recharge efficiency, have operability in production again, concrete ratio is that zincification covers cobalt ball nickel: common zincification ball nickel=1: 0.6～1.5.It is that Cologne, Henan, Jiangmen are long excellent that the zincification that adds cobalt wherein covers the domestic main manufacturer of cobalt ball nickel, mixes by this ratio, can improve the overdischarge restorability of battery, and can improve the charge efficiency of battery; Barrier film adopts the barrier film of handling through crosslinking technology and plasma technology to improve the charge efficiency of battery, and its principle is as follows: barrier film mainly plays the electric pathway of isolating two electrodes in battery, keep having good ion channel between two electrodes and prevent that active material is to effects such as electrode migrations.The pond of high recharge efficiency must have following performance with barrier film: the ion-exchange capacity that (1) is high; (2) high retention of charge; (3) low barrier film resistance, its material of common barrier film generally is single PP, the characteristics of PP are to have high chemical stability and mechanical strength, shortcoming is that the PP material is a hydrophobic, alkalis suction quantity is little, and the alkalis suction quantity of barrier film resistance and ion-exchange capacity and barrier film is closely related, the barrier film that adopts graft process and plasma technology to handle is to form free radical with ultraviolet radiation separation of hydrogen ion at polymer surfaces, then hydrophilic PE monomer and free radical are made up the barrier film that generates composite material, thereby improved the suction alkali ability of barrier film, make barrier film have macroion exchange capacity and low barrier film resistance, the barrier film of graft process can also be caught impurity such as the metal ion that causes self-discharge of battery and ammonia fast in addition, has improved the retention of charge of barrier film greatly.This barrier film has following model FS2227-20, SCIMAT700/25,600/25,700/30K.
Both positive and negative polarity structure of the present invention wherein makes negative pole and box hat contact area increase the internal resistance that reduces battery as far as possible; Principle is as follows: the low internal resistance of cell is the important factor in order of battery high recharge efficiency, and battery cathode mainly realizes conduction by the contact area with box hat, contact area is big more, the internal resistance of cell will be low more, as shown below, the size of Fig. 1 is 72 * 18, the size of Fig. 2 is 40 * 32, and Fig. 1 and Fig. 2 are the negative plates of same area roughly, improves the negative plate height, reduce negative pole length, just can guarantee the contact area of negative pole and box hat, two kinds of internal resistances of cell that negative pole is made, Fig. 1 is about 36 milliohms, Fig. 2 is about 28 milliohms
Its both positive and negative polarity Capacity Ratio of battery of the present invention is more than 1:1.6, assurance has enough negative pole surpluses, have only enough negative pole surpluses, thereby battery negative pole in the overdischarge process is unlikely to have excessive depth of discharge to destroy the performance of negative pole, the mistake that can improve battery is put recovery capability.Both positive and negative polarity of the present invention all adopts simple dry process.
Embodiment 1:49AAJ400mAh Ni-MH battery (solar lawn lamp is used)
The 49AAJ400 Ni-MH battery belongs to the ultra-low volume battery, battery be equipped with certain degree of difficulty, in order to reduce the internal resistance of battery as far as possible, thereby improve the charge efficiency of battery as far as possible, the pole piece of battery must have enough height, therefore taked design more especially, anodal size is near square; The continuous foamed nickel of anodal matrix adopting is done basis material, surface density 420g/m
2The hickelous nydroxide employing is covered cobalt zincification ball nickel and is mixed with the 1:1 ratio with zincification ball nickel, negative pole adopt to be inhaled the low alloyed powder of hydrogen platform (Jin Feng navigate L11T-30), barrier film adopts the soak type barrier film (SCIMAT700/25) through crosslinking technology and plasma technology processing, the both positive and negative polarity Capacity Ratio is 1:1.8, nickel strap afflux of anodal spot welding, the negative pole box hat afflux that reclines, both positive and negative polarity adopts powder craft on the simple dry method, both positive and negative polarity and barrier film are reeled, load onto then box hat reinject electrolyte, seal, produce the 49AAJ400mAh battery.See subordinate list shown in Figure 3 with its charge efficiency of battery and overdischarge restorability that this technology is made;
The continuous foamed nickel of 49AAJ1300 anode of nickel-metal hydride battery matrix adopting is done basis material, surface density 320g/m
2More than, positive electrode active materials adopts zincification to cover cobalt ball nickel; Negative pole adopts inhales the low alloyed powder of hydrogen platform, barrier film adopts the soak type barrier film through crosslinking technology and plasma technology processing, the both positive and negative polarity Capacity Ratio is 1:2.0, anodal nickel strap afflux, negative pole is by the box hat afflux, and both positive and negative polarity adopts powder craft on the simple dry method, and both positive and negative polarity and barrier film are reeled, load onto then box hat reinject electrolyte, seal, produce the 49AAJ1300mAh battery.Put restorability with its charge efficiency of battery of this technology making with mistake and see subordinate list shown in Figure 4.
Claims (2)
1. the manufacture craft of a solar energy nickel-hydrogen charging battery, positive pole, negative pole, barrier film are installed in box hat, both positive and negative polarity is filled active material, inject electrolyte in the box hat, it is characterized in that negative active core-shell material comprises negative alloy powder, positive electrode active materials comprises anodal ball-type hickelous nydroxide, add the conductive agent material in the positive pole, described negative alloy powder adopts inhales the low long-life type alloyed powder of hydrogen platform, the long-life type alloyed powder that described suction hydrogen platform is low adopts Jin Feng boat 6C-30 or 6H-30 or 6T-30, Xiamen tungsten industry ML-01 or ML-02; Described positive pole, the foaming nickel that its matrix adopting surface density is big, described surface density is at 320g/m
2More than, the zincification that adds cobalt in anodal ball-type hickelous nydroxide adopts covers the mixture of cobalt ball nickel and zincification ball nickel, and described barrier film adopts the barrier film through crosslinking technology and plasma technology processing; The mixed proportion that the zincification that adds cobalt in described covers cobalt ball nickel and zincification ball nickel is 1: 0.6-1.5.
2. according to the manufacture craft of the solar energy nickel-hydrogen charging battery of claim 1, it is characterized in that: the positive and negative electrode Capacity Ratio is 1: 1.8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100324330A CN101165960B (en) | 2006-10-20 | 2006-10-20 | Solar energy nickel-hydrogen charging battery manufacture process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100324330A CN101165960B (en) | 2006-10-20 | 2006-10-20 | Solar energy nickel-hydrogen charging battery manufacture process |
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| CN101165960A CN101165960A (en) | 2008-04-23 |
| CN101165960B true CN101165960B (en) | 2011-08-17 |
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| CN104157915B (en) * | 2014-09-03 | 2016-08-24 | 郴州格兰博科技有限公司 | A kind of high-capacity nickel-hydrogen battery and processing technology thereof |
| CN113363411B (en) * | 2021-05-31 | 2022-07-15 | 中国科学技术大学 | Positive electrode for nickel-hydrogen secondary battery, preparation method of positive electrode and nickel-hydrogen secondary battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221994A (en) * | 1997-12-26 | 1999-07-07 | 松下电器产业株式会社 | Ni-hydrogen accumulator for emergency power source |
| US20030138701A1 (en) * | 1998-10-06 | 2003-07-24 | Masahiko Tsukiashi | Battery separator and manufacturing method thereof, and alkali secondary battery having the separator incorporated therein |
| CN1622373A (en) * | 2003-11-24 | 2005-06-01 | 任清福 | High specific energy nickel-hydrogen power battery |
| CN1624966A (en) * | 2004-12-09 | 2005-06-08 | 广州市鹏辉电池有限公司 | Nickle-hydrogen alkaline battery and preparation method thereof |
-
2006
- 2006-10-20 CN CN2006100324330A patent/CN101165960B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221994A (en) * | 1997-12-26 | 1999-07-07 | 松下电器产业株式会社 | Ni-hydrogen accumulator for emergency power source |
| US20030138701A1 (en) * | 1998-10-06 | 2003-07-24 | Masahiko Tsukiashi | Battery separator and manufacturing method thereof, and alkali secondary battery having the separator incorporated therein |
| CN1622373A (en) * | 2003-11-24 | 2005-06-01 | 任清福 | High specific energy nickel-hydrogen power battery |
| CN1624966A (en) * | 2004-12-09 | 2005-06-08 | 广州市鹏辉电池有限公司 | Nickle-hydrogen alkaline battery and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-58062A 2000.02.25 |
| JP特开平11-219701A 1999.08.10 |
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