CN101188309A - A making technology for nickel hydrogen high-temperature charging battery - Google Patents
A making technology for nickel hydrogen high-temperature charging battery Download PDFInfo
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- CN101188309A CN101188309A CNA2006101367070A CN200610136707A CN101188309A CN 101188309 A CN101188309 A CN 101188309A CN A2006101367070 A CNA2006101367070 A CN A2006101367070A CN 200610136707 A CN200610136707 A CN 200610136707A CN 101188309 A CN101188309 A CN 101188309A
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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
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- 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
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Abstract
The invention relates to a fabrication process for a nickel-hydrogen high temperature rechargeable battery. Anode base materials of the battery adopt foam nickel with large area density. Anode active materials adopt zinc-cobalt spherical Ni with high temperature by adding with cobalt internally. Anode additive adopts additive with calcium, yttrium and cobalt elements. Cathode alloy powder adopts low hydrogen absorption plateau long lifetime type alloy powder. The capacity ratio of anode and cathode electrodes is 1:1.5 to 2.2. Electrolyte adopts an improved formula for conventional ternary electrolyte. Through the choice of the materials and the optimization of ratio and formulae, the invention can meet the requirements of small current, high charging efficiency and long lifetime.
Description
Technical field:
The present invention relates to a kind of cell making process, be specifically related to a kind of manufacture craft of nickel hydrogen high-temperature charging battery of under hot environment, working.
Background technology:
Human since the industrial revolution, along with well-known global environment warms, the reason that " greenhouse effect " increase, environmental protection, resistant to elevated temperatures nickel-hydrogen high-temperature battery has obtained application more and more widely, people are also just more and more higher to the requirement of chargeable battery, mainly be that the city hot weather is many and long in the neighbourhood under the line, the normal charge battery is usually because little electric current is not fully filled under hot environment, continuing low discharging current again guarantees to use, if high temperature low current charge efficient is low excessively, not only can not guarantee service time, also because the long-term overdischarge of battery influences the useful life 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 a kind of under hot environment the manufacture craft of the nickel hydrogen high-temperature charging battery of low current charge efficient height, rechargeable battery long service life.
The technical solution used in the present invention is: the manufacture craft of this nickel hydrogen high-temperature charging battery, comprise positive pole, negative pole, barrier film, and positive and negative electrode is filled active material, and box hat is interior and inject electrolyte, and anodal basis material adopts surface density at 380-550g/m
2Nickel foam, the zincification that adds cobalt in positive electrode active materials adopts adds cobalt high temperature ball nickel, anode additive adopts calcium, yttrium, cobalt element additive, the negative alloy powder of negative active core-shell material adopts inhales the low long-life type alloyed powder of hydrogen platform.
In the technique scheme, barrier film adopts the barrier film through crosslinking technology and plasma technology processing.
In the technique scheme, the diaphragm paper lengthening encases negative pole fully, and the positive and negative electrode Capacity Ratio is between 1: 1.5～2.2.
In the technique scheme, calcium, yttrium, cobalt element additive can adopt one or more mixtures in calcirm-fluoride, calcium hydroxide, yittrium oxide, the cobalt powder.
In the technique scheme, the long-life type alloyed powder that the oxygen uptake platform is low is Jin Feng boat 6T-30,6H-30, the T2A-180 type alloyed powder of Xiamen tungsten industry ML-01, ML-05, ML-03 or Inner Mongol AudioCodes in the seventy years of age.
In the technique scheme, electrolyte adopts conventional potassium, sodium, lithium ternary electrolyte prescription, and reduces the content of potassium in electrolyte, improves the content of sodium and lithium, suitably improves the molar concentration of hydroxyl in the electrolyte (OH-), adds a small amount of barium hydroxide again.The prescription quality of its electrolyte than scope is: KOH: NaOH: LiOH: H
2O: Ba (OH)
2=10～30%: 5～20%: 1～3.5%: 60～70%: 0.1～0.5%, OH wherein
-Molar concentration be controlled at 7.8～8.5 mol, the density of electrolyte is 1.295～1.330.
In the technique scheme, high temperature ball nickel is to advance the Zhong Hangbao cobalt on the surface of zincification ball nickel, the cobalt protoxide (CoO) that adds 3%-15%, the calcium, yttrium, the cobalt element additive that add 1%-5% again, this calcium, yttrium, cobalt element additive are calcirm-fluoride, calcium hydroxide, yittrium oxide, cobalt powder one of them or several mixtures.
The present invention is because negative alloy powder adopts good, the long-life type alloyed powder of high-temperature behavior, thereby improved low current charge efficient and the useful life of battery under hot environment, the big slightly foaming nickel of anodal matrix adopting surface density adds cobalt zincification ball nickel in positive electrode active materials adopts and adds cobalt ball nickel to improve the high temperature charge performance of battery; Barrier film adopts the barrier film through crosslinking technology and plasma technology processing, thereby improves battery charge efficiency and retention of charge under hot environment; The present invention also optimizes the both positive and negative polarity structure, makes negative pole and box hat contact area reduce to reduce the self discharge of battery as far as possible, and the both positive and negative polarity capacity ratio is between 1: 1.5～2.2, and the capacity of negative plates of capacity has guaranteed that the mistake under the battery high-temperature environment puts recovery capability; Electrolyte of the present invention adopts the prescription after conventional potassium, sodium, lithium ternary electrolyte improve, in electrolyte, reduce the content of potassium, improve the content of sodium and lithium, suitably improve the molar concentration of hydroxyl (OH) in the electrolyte, add a small amount of barium hydroxide again and remove impurity in the alkali lye, because of the reaction of barium hydroxide and impurity generates the barium salt precipitation, under hot environment, this kind electrolyte prescription is to the utilance that improves hot environment bottom electrode active material and to reduce self discharge very favourable.Therefore, the present invention reaches the requirement that improves battery low current charge efficient under hot environment by to the selection of active material, the ratio optimization of positive/negative plate, the selection that electrolyte improves prescription and battery diaphragm.
Description of drawings:
Fig. 1, Fig. 2 are 43SC2800mAh nickel-hydrogen high-temperature battery charge efficiency, discharge performance testing result table
Fig. 3 is a 49C4500mAh nickel-hydrogen high-temperature battery high temperature charge-discharge performance testing result table
Embodiment:
The present invention mainly is by the optimization of the selection that aligns negative active core-shell material and additive, positive/negative plate optimization of formulation, electrolyte prescription and the selection of barrier film, thereby reaches the requirement of satisfying battery little electric current high recharge efficiency under hot environment.
Material of the present invention comprises negative alloy powder, anodal basis material, anodal conductive agent and additive, anodal ball-type hickelous nydroxide, diaphragm paper.The bad one of the main reasons of Ni-MH battery high-temperature behavior is the rising along with temperature, the equalizing pressure (PCT platform) that hydrogen is put in the suction of negative pole alloy also can raise, cause hydrogen sucking function to descend. therefore, want to carry out high-temperature Ni/H 2 battery, negative material is a very The key factor, negative alloy powder of the present invention adopts inhales the low long-life type alloyed powder of hydrogen platform, as Jin Feng boat 6T-30,6H-30, Xiamen tungsten industry ML-01, ML-05, ML-03, the T2A-180 of Inner Mongol AudioCodes in the seventy years of age etc., because impurity is few and cobalt content is higher in these alloyed powders, thereby improve low current charge efficient and the useful life of battery under hot environment, the anodal matrix adopting surface density described in the present invention is at 380～550g/m
2Nickel foam (because of nickel content in the big foaming nickel of surface density more, can strengthen the catchment effect of battery, improve battery low current charge efficient), the zincification that adds cobalt in positive electrode active materials adopts adds cobalt high temperature ball nickel, high temperature ball nickel is to wrap cobalt on the surface of zincification ball nickel, by this kind technology, the electrical property of ball nickel under hot environment and stability are better, the cobalt protoxide (CoO) that adds 3%-15% again, add calcium again as 1%-5%, yttrium, the cobalt element additive is (as calcirm-fluoride, calcium hydroxide, yittrium oxide, cobalt powder one of them or mixture), experimental results show that, by this mixing formula, positive pole low current charge efficient under hot environment exceeds about 50%-70% than conventional formulation, and can improve the overdischarge restorability of battery; Barrier film adopts the barrier film through crosslinking technology and plasma technology processing to improve the charge efficiency of battery and reduce self discharge, and this barrier film model has FS2227-20, SCIMAT700/25,600/25,700/30K, FV4365K etc.
Both positive and negative polarity structure of the present invention, wherein the diaphragm paper lengthening encases negative pole fully, make negative pole and box hat contact area reduce to reduce the self discharge of battery as far as possible, (negative electrode active material is active metal dust because self-discharge of battery is mainly at negative pole, its electromotive force is more negative than hydrogen in the aqueous solution, can replace the reaction of hydrogen, if in electrode, exist the low metal impurities of hydrogen electromotive force, these impurity and negative electrode active material mass-energy are formed the corrosion microcircuit, negative pole metal self-dissolving as a result, and there is hydrogen to separate out, thereby the minimizing capacity, the impurity in the electrolyte plays same purpose), the both positive and negative polarity Capacity Ratio is more than 1: 1.5, (only guaranteed enough negative pole surpluses are arranged, the useful life of battery just can be longer.) both positive and negative polarity of the present invention all adopts simple dry compression technology.
Electrolyte of the present invention adopts the prescription after conventional potassium, sodium, lithium ternary electrolyte improve, and Li reduces electrode and expands, and improves the life-span, reduces self discharge, also can improve high-temperature charging efficient; Na improves high temperature charge performance, reduces the content of potassium in electrolyte, improves the content of sodium and Li, suitably improves hydroxyl (OH in the electrolyte
-) molar concentration, add a small amount of barium hydroxide again and remove impurity in the alkali lye (barium hydroxide and impurity reaction generate the barium salt precipitation), experiment showed, that under hot environment this kind prescription is to the utilance that improves electrode active material and to reduce self discharge very favourable.
Embodiment 1:43SC2800mAh nickel-hydrogen high-temperature battery
The 43SC2800mAh nickel-hydrogen high-temperature battery belongs to high-capacity battery, battery be equipped with certain degree of difficulty, in order to reduce degree of tightness as far as possible, thereby reduce the self discharge of battery as far as possible, therefore taked design than conventional batteries elasticity little (85%-96%), the diaphragm paper lengthening encases negative pole, reduces the contact area of negative pole outer ring and box hat; The 420g/m that positive pole matrix adopting Liyuan New Material Co Ltd, Changsha produces
2Foaming nickel is done basis material, hickelous nydroxide adopts Changshun, Jiangmen high temperature ball nickel and the bright inferior cobalt of Guangzhou star with (80%-95%): (5%-15%) ratio mixes, add calcium again as 1%-5%, yttrium, the cobalt element additive is (as calcium hydroxide, yittrium oxide, one of them of cobalt powder or several mixtures), negative pole adopts high temperature alloy powder (the Jin Feng 6T-30 that navigates, the T2A-180 of 6H-30 or Inner Mongol AudioCodes in the seventy years of age one of them), barrier film adopts the soak type barrier film (SCIMAT700/25 or SCIMAT 600/25) through crosslinking technology and plasma technology processing, the both positive and negative polarity Capacity Ratio is 1: 1.7, two nickel strap affluxs of anodal spot welding, 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 the box hat high-temperature electrolyte that reinjects then, seal, change into, produce the 43SC2800mAh high-temperature battery.Its charge efficiency of battery of making of this technology and performance see attached list 1 and subordinate list 2;
The continuous foamed nickel that the anodal matrix adopting of 49C4500mAh nickel-hydrogen high-temperature battery Liyuan New Material Co Ltd, Changsha produces is done basis material, surface density 420g/m
2Hickelous nydroxide adopts Changshun, Jiangmen high temperature ball nickel and Hainan gold hundred million inferior cobalts with (80%-95%): (5%-15%) ratio mixes, negative pole adopts high temperature alloy powder (Jin Feng boat 6T-30 or Xiamen tungsten industry ML-05), the fine fibre barrier film (FV4365K) that barrier film adopts sulfonation technology to handle, the both positive and negative polarity Capacity Ratio is 1: 1.8, both positive and negative polarity all adopts end face weldering mode afflux, both positive and negative polarity adopts powder craft on the simple dry method, both positive and negative polarity is reeled by barrier film is corresponding, the box hat of packing into then reinject high-temperature electrolyte, seal, produce the 49C4500mAh high-temperature battery.See attached list 3. with its high temperature charge-discharge performance of battery that this technology is made
Claims (7)
1. the manufacture craft of a nickel hydrogen high-temperature charging battery comprises positive pole, negative pole, barrier film, and positive and negative electrode is filled active material, and box hat is interior and inject electrolyte, it is characterized in that anodal basis material adopts surface density at 380-550g/m
2Nickel foam, the zincification that adds cobalt in positive electrode active materials adopts adds cobalt high temperature ball nickel, anode additive adopts calcium, yttrium, cobalt element additive, the negative alloy powder of negative active core-shell material adopts inhales the low long-life type alloyed powder of hydrogen platform.
2. the manufacture craft of nickel hydrogen high-temperature charging battery according to claim 1 is characterized in that barrier film adopts the barrier film through crosslinking technology and plasma technology processing.
3. the manufacture craft of nickel hydrogen high-temperature charging battery according to claim 1 is characterized in that the diaphragm paper lengthening encases negative pole fully, and the positive and negative electrode Capacity Ratio is between 1: 1.5～2.2.
4. the manufacture craft of nickel hydrogen high-temperature charging battery according to claim 1 is characterized in that calcium, yttrium, cobalt element additive can adopt calcirm-fluoride, calcium hydroxide, yittrium oxide, cobalt powder a kind of or mixture wherein.
5. the manufacture craft of nickel hydrogen high-temperature charging battery according to claim 1, it is characterized in that the low long-life type alloyed powder of oxygen uptake platform is Jin Feng boat 6T-30,6H-30, the T2A-180 type alloyed powder of Xiamen tungsten industry ML-01, ML-05, ML-03 or Inner Mongol AudioCodes in the seventy years of age.
6. the manufacture craft of nickel hydrogen high-temperature charging battery according to claim 1, it is characterized in that electrolyte adopts conventional potassium, sodium, lithium ternary electrolyte prescription, and in electrolyte, reduce the content of potassium, and improve the content of sodium and lithium, suitably improve hydroxyl (OH in the electrolyte
-) molar concentration, add a small amount of barium hydroxide again.
7. the manufacture craft of nickel hydrogen high-temperature charging battery according to claim 1, it is characterized in that high temperature ball nickel is to wrap cobalt on the surface of zincification ball nickel, the cobalt protoxide (CoO) that adds 3%-15%, the calcium, yttrium, the cobalt element additive that add 1%-5% again, this calcium, yttrium, cobalt element additive are calcirm-fluoride, calcium hydroxide, yittrium oxide, cobalt powder one of them or several mixtures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006101367070A CN101188309B (en) | 2006-11-17 | 2006-11-17 | A making technology for nickel hydrogen high-temperature charging battery |
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| CN2006101367070A CN101188309B (en) | 2006-11-17 | 2006-11-17 | A making technology for nickel hydrogen high-temperature charging battery |
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| CN101188309B CN101188309B (en) | 2010-12-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324578A (en) * | 2011-09-02 | 2012-01-18 | 深圳市倍特力电池有限公司 | Manufacturing method of long-life nickel-hydrogen battery |
| CN102694151A (en) * | 2012-06-18 | 2012-09-26 | 益阳科力远电池有限责任公司 | Manufacturing method of cathode pole piece of nickel-hydrogen battery |
| WO2012175000A1 (en) * | 2011-06-22 | 2012-12-27 | Guangdong Powerlink Energy Co., Ltd | Positive electrode material and positive electrode for nickel-zinc secondary battery and method for manufacturing positive electrode |
| CN102956892A (en) * | 2012-11-01 | 2013-03-06 | 浙江天能能源科技有限公司 | High temperature nickel-hydrogen battery and preparation method thereof |
| CN106785098A (en) * | 2016-12-14 | 2017-05-31 | 湖南格兰博智能科技有限责任公司 | A kind of column sealed ni-mh temperature cell making process wide |
| CN111129615A (en) * | 2019-12-24 | 2020-05-08 | 惠州时代电池有限公司 | High-capacity nickel-hydrogen battery capable of being cycled for multiple times |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3216592B2 (en) * | 1997-04-23 | 2001-10-09 | 松下電器産業株式会社 | Alkaline storage battery |
| JP2962326B1 (en) * | 1997-12-26 | 1999-10-12 | 松下電器産業株式会社 | Nickel-hydrogen storage battery for backup power supply |
| CN2569351Y (en) * | 2002-06-07 | 2003-08-27 | 中国科学院上海微系统与信息技术研究所 | Improved type double polar nicke-hydrogen battery group |
| CN100424923C (en) * | 2004-12-09 | 2008-10-08 | 广州市鹏辉电池有限公司 | Nickle-hydrogen alkaline battery and preparation method thereof |
-
2006
- 2006-11-17 CN CN2006101367070A patent/CN101188309B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012175000A1 (en) * | 2011-06-22 | 2012-12-27 | Guangdong Powerlink Energy Co., Ltd | Positive electrode material and positive electrode for nickel-zinc secondary battery and method for manufacturing positive electrode |
| US9356285B2 (en) | 2011-06-22 | 2016-05-31 | Guangdong Powerlink Energy Co., Ltd | Positive electrode material and positive electrode for nickel—zinc secondary battery and method for manufacturing positive electrode |
| CN102324578A (en) * | 2011-09-02 | 2012-01-18 | 深圳市倍特力电池有限公司 | Manufacturing method of long-life nickel-hydrogen battery |
| CN102324578B (en) * | 2011-09-02 | 2014-04-09 | 深圳市倍特力电池有限公司 | Manufacturing method of long-life nickel-hydrogen battery |
| CN102694151A (en) * | 2012-06-18 | 2012-09-26 | 益阳科力远电池有限责任公司 | Manufacturing method of cathode pole piece of nickel-hydrogen battery |
| CN102956892A (en) * | 2012-11-01 | 2013-03-06 | 浙江天能能源科技有限公司 | High temperature nickel-hydrogen battery and preparation method thereof |
| CN102956892B (en) * | 2012-11-01 | 2015-04-22 | 浙江天能能源科技有限公司 | High temperature nickel-hydrogen battery and preparation method thereof |
| CN106785098A (en) * | 2016-12-14 | 2017-05-31 | 湖南格兰博智能科技有限责任公司 | A kind of column sealed ni-mh temperature cell making process wide |
| CN111129615A (en) * | 2019-12-24 | 2020-05-08 | 惠州时代电池有限公司 | High-capacity nickel-hydrogen battery capable of being cycled for multiple times |
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| CN101188309B (en) | 2010-12-01 |
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