CN102800847A - Preparation method for negative plate of nickel-based alkaline secondary battery - Google Patents
Preparation method for negative plate of nickel-based alkaline secondary battery Download PDFInfo
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- CN102800847A CN102800847A CN2012103158003A CN201210315800A CN102800847A CN 102800847 A CN102800847 A CN 102800847A CN 2012103158003 A CN2012103158003 A CN 2012103158003A CN 201210315800 A CN201210315800 A CN 201210315800A CN 102800847 A CN102800847 A CN 102800847A
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- nickel
- negative plate
- preparation
- alkaline secondary
- adhesive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a preparation method for a negative pole of the nickel-based alkaline secondary battery. The preparation method comprises the following steps: (1) preparing active materials of a positive electrode based on the mixture ratio, including ZnO, Zn, CaO, Bi2O3, In (OH) 2, polyving akohol adhesive and the balance of water; (2) grinding the ZnO, Zn, CaO, Bi2O3 and In (OH) 2 into powder, and uniformly mixing, and then adding the adhesive and water to fully agitate so as to obtain the size of the negative electrode; (3) coating the size on a foam nickel plate, and preforming to obtain a circular plate; and (4) electroplating the circular plate in an electroplating groove in which NiSO4.6H2O and Na3C6H3O7.5H2O are contained, wherein a dense sulfide layer is formed on the surface of the circular plate after being electroplated; and then washing via deionized water, and drying to obtain the negative plate. The nickel-based alkaline secondary battery with the negative plate prepared by the method provided by the invention has the advantages of good effect of discharging, high corrosion resistance and long service life.
Description
Technical field
The present invention relates to a kind of secondary battery cathode pole piece, and preparation method thereof, relate in particular to a kind of nickel-base alkaline secondary cell negative plate, and preparation method thereof.
Background technology
At present, because increasingly serious environmental protection situation forces the environmental regulation of national governments' appearance increasingly stringent, and international oil price is high and the prosperity of Internet and electronic product; Bring new quick growth to Battery Market, such as hybrid vehicle, electric automobile; Chargeable energy storage system; Uninterruptible power system of data center or the like, along with hybrid vehicle (HEV), plug type hybrid vehicle (PHEV); And the prosperity and development of pure electric automobile (EV), press on the market a kind of can satisfy following for high power, high energy storage, high reliability and fail safe, the battery product of environmental protection more.Emerging nickel radical battery technology can satisfy above all requirements; Nickel radical battery is that power is high, the rechargeable battery of energy foot (up to 4 times of lead-acid battery), non-environmental-pollution (not leaded, do not contain cadmium, not mercurous), high reliability and fail safe good (nonflammable), with low cost, long service life.But because nickel radical battery inside is in an alkaline environment, the charge and discharge cycles of battery can cause electrochemical corrosion to GND, thereby has further caused the decay in battery useful life.Follow the popularization of electronics mobile device, demand low to the environmental pollution of using in it, the nickel-base alkaline secondary cell that can repeatedly recycle is also increasing; Except the demand to battery capacity uprises, to also having proposed higher requirement in useful life of battery.Therefore pressing for provides a kind of and makes that the nickel-base alkaline secondary cell capacity is big, the negative plate of long service life.
Summary of the invention
The purpose of this invention is to provide a kind of nickel-base alkaline secondary cell negative plate method, it is good to use the nickel-base alkaline secondary cell of the negative plate of this method preparation to have discharge effect, and corrosion resistance is strong, the characteristics of long service life.
To achieve these goals, a kind of nickel-base alkaline secondary cell negative plate preparation method provided by the invention comprises the steps:
Step 1 is prepared negative active core-shell material by following mass percent proportioning
Surplus is a decentralized medium;
Step 2, the preparation cathode size
With above-mentioned ZnO, Zn, CaO, Bi
2O
3, In (OH)
2Grind into powder also mixes, and adds above-mentioned adhesive and water, fully stirs, and obtains cathode size;
Step 3 spreads upon above-mentioned slurry on the nickel foam sheet, carries out compressing tablet, obtains disk;
Step 4 is carried out surface treatment to above-mentioned disk, obtains negative plate
Then disk is put into current density between 8-10mA/cm
2Electroplating bath in electroplate 6h, this electroplating bath contains the NiSO that concentration is 9-12g/L
46H
2O and Na
3C
6H
3O
75H
2O, the disk surfaces after the plating can form the fine and close sulfurized layer of one deck; Then, finally process negative plate with deionized water wash and dry.
Wherein, adhesive is preferably polyvinyl alcohol described in the step 1.
Wherein, decentralized medium is preferably water described in the step 1.
The present invention also provides a kind of nickel-base alkaline secondary cell negative plate that is prepared by above-mentioned any means.
The negative material of the present invention's preparation through trying out of battery producer, is compared with other material on the market, and battery capacity greatly improves, and discharge performance significantly improves, the obvious grow of corrosion resistance, and effectively prolonged the useful life of battery.
Embodiment
Embodiment one
Prepare negative active core-shell material
By mass percentage:
Surplus is a water.
The preparation cathode size
With above-mentioned ZnO, Zn, CaO, Bi
2O
3, In (OH)
2Grind into powder also mixes, and adds above-mentioned adhesive and water, fully stirs, and obtains cathode size.
Apply
Above-mentioned slurry is spread upon on the nickel foam sheet, carry out compressing tablet, obtain disk.
Surface treatment obtains negative plate
Then disk is put into current density between 8mA/cm
2Electroplating bath in electroplate 6h, this electroplating bath contains the NiSO that concentration is 9g/L
46H
2O and Na
3C
6H
3O
75H
2O, the disk surfaces after the plating can form the fine and close sulfurized layer of one deck; Then, finally process negative plate with deionized water wash and dry.
With the nickel-base alkaline secondary cell negative plate of making, with the nickel-base alkaline secondary cell anode pole piece, the special-purpose barrier film of polyethylene electrokinetic cell; The potassium hydroxide aqueous solution electrolyte of 5M; Assembling cylindrical electrokinetic cell, is charge-discharge performance test under 1.5V, the 3C condition in discharge cut-off voltage, and (capability retention is not low for battery charging and discharging cycle life; Be 80% o'clock the charge and discharge cycles number of times that discharge capacity is not less than design capacity, as follows.) 389 times.
Embodiment two
Prepare negative active core-shell material
By mass percentage:
Surplus is a water.
The preparation cathode size
With above-mentioned ZnO, Zn, CaO, Bi
2O
3, In (OH)
2Grind into powder also mixes, and adds above-mentioned adhesive and water, fully stirs, and obtains cathode size.
Apply
Above-mentioned slurry is spread upon on the nickel foam sheet, carry out compressing tablet, obtain disk.
Surface treatment obtains negative plate
Then disk is put into current density between 10mA/cm
2Electroplating bath in electroplate 6h, this electroplating bath contains the NiSO that concentration is 12g/L
46H
2O and Na
3C
6H
3O
75H
2O, the disk surfaces after the plating can form the fine and close sulfurized layer of one deck; Then, finally process negative plate with deionized water wash and dry.
With the nickel-base alkaline secondary cell negative plate of making, with the nickel-base alkaline secondary cell anode pole piece, the special-purpose barrier film of polyethylene electrokinetic cell; The potassium hydroxide aqueous solution electrolyte of 5M; Assembling cylindrical electrokinetic cell, is charge-discharge performance test under 1.5V, the 3C condition in discharge cut-off voltage, and (capability retention is not low for battery charging and discharging cycle life; Be 80% o'clock the charge and discharge cycles number of times that discharge capacity is not less than design capacity, as follows.) 395 times.
The above; It only is preferred embodiment of the present invention; Be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment made, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (4)
1. a nickel-base alkaline secondary cell negative plate preparation method comprises the steps:
Step 1 is prepared negative active core-shell material by following mass percent proportioning
ZnO 40-60%；
Zn 5-10%
CaO 1-2%
Bi
2O
3 1.5-2%
In(OH)
2 0.1-0.2%
Adhesive 10-20%
Surplus is a decentralized medium;
Step 2, the preparation cathode size
With above-mentioned ZnO, Zn, CaO, Bi
2O
3, In (OH)
2Grind into powder also mixes, and adds above-mentioned adhesive and water, fully stirs, and obtains cathode size;
Step 3 spreads upon above-mentioned slurry on the nickel foam sheet, carries out compressing tablet, obtains disk;
Step 4 is carried out surface treatment to above-mentioned disk, obtains negative plate
Then disk is put into current density between 8-10mA/cm
2Electroplating bath in electroplate 6h, this electroplating bath contains the NiSO that concentration is 9-12g/L
46H
-2O and Na
3C
6H
3O
75H
2O, the disk surfaces after the plating can form the fine and close sulfurized layer of one deck; Then, finally process negative plate with deionized water wash and dry.
2. method according to claim 1 is characterized in that, adhesive described in the step 1 is a polyvinyl alcohol.
3. method according to claim 1 is characterized in that, decentralized medium described in the step 1 is a water.
4. nickel-base alkaline secondary cell negative plate of method preparation according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315800.3A CN102800847B (en) | 2012-08-30 | 2012-08-30 | A kind of preparation method of nickel-base alkaline secondary cell negative plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315800.3A CN102800847B (en) | 2012-08-30 | 2012-08-30 | A kind of preparation method of nickel-base alkaline secondary cell negative plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102800847A true CN102800847A (en) | 2012-11-28 |
| CN102800847B CN102800847B (en) | 2016-11-23 |
Family
ID=47199879
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| CN201210315800.3A Active CN102800847B (en) | 2012-08-30 | 2012-08-30 | A kind of preparation method of nickel-base alkaline secondary cell negative plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826638A (en) * | 2016-05-23 | 2016-08-03 | 徐嘉陵 | Zinc air battery electrode material and application thereof |
| CN108777293A (en) * | 2018-05-24 | 2018-11-09 | 中南大学 | A kind of nanocomposite and its preparation method and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1040950A (en) * | 1996-07-23 | 1998-02-13 | Toshiba Battery Co Ltd | Alkaline secondary battery |
| CN101026234A (en) * | 2007-02-12 | 2007-08-29 | 范正刚 | Zinc-nickel battery negative plate |
| CN102208630A (en) * | 2011-05-16 | 2011-10-05 | 卢国骥 | Method for preparing zinc cathode sheet of alkaline zinc base secondary battery |
| CN102263298A (en) * | 2011-06-22 | 2011-11-30 | 广东博特动力能源有限公司 | Nickel-zinc secondary battery and preparation method thereof |
| CN102263269A (en) * | 2011-06-22 | 2011-11-30 | 广东博特动力能源有限公司 | Cathode active material, inclined pull-net cathode matrix and cathode of nickel-zinc batteries and preparation method of cathode |
-
2012
- 2012-08-30 CN CN201210315800.3A patent/CN102800847B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1040950A (en) * | 1996-07-23 | 1998-02-13 | Toshiba Battery Co Ltd | Alkaline secondary battery |
| CN101026234A (en) * | 2007-02-12 | 2007-08-29 | 范正刚 | Zinc-nickel battery negative plate |
| CN102208630A (en) * | 2011-05-16 | 2011-10-05 | 卢国骥 | Method for preparing zinc cathode sheet of alkaline zinc base secondary battery |
| CN102263298A (en) * | 2011-06-22 | 2011-11-30 | 广东博特动力能源有限公司 | Nickel-zinc secondary battery and preparation method thereof |
| CN102263269A (en) * | 2011-06-22 | 2011-11-30 | 广东博特动力能源有限公司 | Cathode active material, inclined pull-net cathode matrix and cathode of nickel-zinc batteries and preparation method of cathode |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826638A (en) * | 2016-05-23 | 2016-08-03 | 徐嘉陵 | Zinc air battery electrode material and application thereof |
| CN105826638B (en) * | 2016-05-23 | 2018-11-13 | 徐嘉陵 | A kind of zinc-air battery electrode material and its application |
| CN108777293A (en) * | 2018-05-24 | 2018-11-09 | 中南大学 | A kind of nanocomposite and its preparation method and application |
| CN108777293B (en) * | 2018-05-24 | 2021-02-12 | 中南大学 | Nano composite material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102800847B (en) | 2016-11-23 |
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