CN101577331A - Method for manufacturing nickel electrode of alkaline accumulator - Google Patents
Method for manufacturing nickel electrode of alkaline accumulator Download PDFInfo
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- CN101577331A CN101577331A CNA2009100402475A CN200910040247A CN101577331A CN 101577331 A CN101577331 A CN 101577331A CN A2009100402475 A CNA2009100402475 A CN A2009100402475A CN 200910040247 A CN200910040247 A CN 200910040247A CN 101577331 A CN101577331 A CN 101577331A
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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 method for manufacturing a nickel electrode of an alkaline accumulator, which comprises the following steps: selecting a perforated nickel-plated steel strip, a nickel-plated steel mesh, a double-faced burr steel strip, a cutting and drawing mesh, an obliquely drawing mesh and the like as substrates, and coating superconductive aquadag on the substrates; preparing carboxymethyl cellulose (CMC), polytetrafluoroethylene emulsion, spherical nickel hydroxide, cobalt protoxide, superfine graphite, acetylene black and conductive carbon fiber into nickel electrode slurry, and converting the nickel electrode slurry into a hopper of a pulping machine; and making nickel-plated steel products provided with through holes subjected to the treatments of a drawing wheel, the hopper, a pulping die, a four-section drying channel, a prepressing twin roller and a slicing machine, and preparing an anode ear subjected to slicing and spot welding into the finished product, namely the nickel electrode. The nickel electrode manufactured by the method has low manufacturing cost, good electrode strength, superior electrical property and simple manufacturing process.
Description
Technical field
The present invention relates to a kind of manufacture method of nickel electrode of alkaline accumulator.
Background technology
Because it is low that the nickel electrode battery has an internal resistance, but high power charging-discharging have extended cycle life, exclusive advantage such as self discharge is low, other secondary cells can't replace in some field.At present the production nickel electrode adopt pure nickel foaming nickel as substrate, a large amount of nickel of foaming nickel substrate consumption of this pure nickel, production nickel electrode manufacturing cost height, complex manufacturing, electrode tensile strength are bad, useful life is shorter.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of low cost of manufacture, technology is simple, intensity is high and the manufacture method of the nickel electrode of alkaline accumulator that the life-span is long.
In order to solve the problems of the technologies described above, the manufacture method of a kind of nickel electrode of alkaline accumulator of the present invention may further comprise the steps:
(1) selects substrate, adopt thickness 0.03～1.0mm, the nickel plating steel with through hole of porosity 50～100%;
(2) precoating superconduct aquadag breast is on the nickel plating steel two sides with through hole, and the porosity of substrate remains on 50～80%;
(3) batch mixing:
1. sodium carboxymethylcellulose (CMC) dissolves in the pure water by mole percentage concentration 2～5%, at room temperature stirs, and is mixed with the solution of mole percent concentration 2～5%;
2. the conductive carbon fibre that with length is 2～5mm is opened dispersion by 0.1～0.4% of total dry powder amount in the high speed dispersion device;
3. with the conductive carbon fibre that disperses under stirring condition, join in the carboxymethylcellulose sodium solution, be stirred to conductive carbon fibre and be dispersed in the carboxymethylcellulose sodium solution fully;
4. the dry powder of ball-shape nickel hydroxide, cobalt protoxide, ultra tiny graphite, acetylene black preparation weight ratio is 74.5～89.9: 2～5: 8～20: 0.1～0.5, and with ball-shape nickel hydroxide (Ni (oH)
2) and cobalt protoxide (CoO), graphite powder, acetylene black take by weighing mixing in proportion, fully mix in ball mill, promptly make nickel electrode dry powder;
5. in step 3. slowly under the stirring condition, the dry powder that 4. step is prepared at the uniform velocity joins in the mixed solution that 3. step prepare, add dry powder after, quicken to stir 1～2 hour, press 1～2% of dry powder total amount again and add ptfe emulsion, continued stir about 1 hour, make nickel electrode slurry;
(4) nickel electrode slurry is changed over to the hopper of tensile pulp machine;
(5) apply slurry and film-making: have the nickel plating steel of through hole by putting belt wheel → hopper → mould for pulling paste → four-part form drying tunnel → precompressed twin rollers → section above-mentioned (2) are described.
1. the four-part form drying tunnel temperature is respectively 80～100 ℃, and 110～150 ℃, 110～130 ℃, 80～115 ℃; 2. slurry speed: 0.5～0.8 meter/minute.
(6) finished product: the section that above-mentioned (5) are made is made the finished product nickel electrode through compressing tablet, burst, spot welding positive pole ear.
As improvement of the technical scheme, the four-part form drying tunnel temperature described in the step (5) is respectively: 90 ℃, 130 ℃, 120 ℃, 98 ℃.
The invention has the beneficial effects as follows: but the manufacture method of this nickel electrode of alkaline accumulator adopts the perforation nickel plated steel strip to do the production of substrate streamline, technology is simple, production efficiency is high, improved the utilance of production efficiency and nickel, reduced cost, and joined the electric conductivity that can improve nickel electrode in the carboxymethylcellulose sodium solution greatly at nickel plating steel two sides and the conductive carbon fibre that precoating superconduct aquadag breast has a through hole.
Embodiment
The manufacture method of a kind of nickel electrode of alkaline accumulator of the present invention may further comprise the steps:
(1) selects substrate, adopt thickness 0.03～1.0mm, the nickel plating steel with through hole of porosity 50～100%;
(2) precoating superconduct aquadag breast is on the nickel plating steel two sides with through hole, and the porosity of substrate remains on 50～80%;
(3) batch mixing:
1. sodium carboxymethylcellulose (CMC) dissolves in the pure water by mole percentage concentration 2～5%, at room temperature stirs, and is mixed with the solution of mole percent concentration 2～5%;
2. the conductive carbon fibre that with length is 2～5mm is opened dispersion by 0.1～0.4% of total dry powder amount in the high speed dispersion device;
3. with the conductive carbon fibre that disperses under stirring condition, join in the carboxymethylcellulose sodium solution, be stirred to conductive carbon fibre and be dispersed in the carboxymethylcellulose sodium solution fully;
4. the dry powder of ball-shape nickel hydroxide, cobalt protoxide, ultra tiny graphite, acetylene black preparation weight ratio is 74.5～89.9: 2～5: 8～20: 0.1～0.5, and with ball-shape nickel hydroxide (Ni (oH)
2) and cobalt protoxide (CoO), graphite powder, acetylene black take by weighing mixing in proportion, fully mix in ball mill, promptly make nickel electrode dry powder;
5. in step 3. slowly under the stirring condition, the dry powder that 4. step is prepared at the uniform velocity joins in the mixed solution that 3. step prepare, add dry powder after, quicken to stir 1～2 hour, press 1～2% of dry powder total amount again and add ptfe emulsion, continued stir about 1 hour, make nickel electrode slurry;
(4) nickel electrode slurry is changed over to the hopper of tensile pulp machine;
(5) apply slurry and film-making: have the nickel plating steel of through hole by putting belt wheel → hopper → mould for pulling paste → four-part form drying tunnel → precompressed twin rollers → section above-mentioned (2) are described.
1. the four-part form drying tunnel temperature is respectively 80～100 ℃, and 110～150 ℃, 110～130 ℃, 80～115 ℃; 2. slurry speed: 0.5～0.8 meter/minute.
(6) finished product: the section that above-mentioned (5) are made is made the finished product nickel electrode through compressing tablet, burst, spot welding positive pole ear.
Above-mentioned nickel plating steel with through hole are nickel plating perforated steel ribbons, cut and draw a kind of in nickel plating steel mesh, nickel plating steel mesh and the nickel plating burr perforated steel ribbon.Wherein, the four-part form drying tunnel temperature described in the step (5) is respectively: 90 ℃, 130 ℃, 120 ℃, 98 ℃; The dry powder of 4. described step by step ball-shape nickel hydroxide, cobalt protoxide, ultra tiny graphite, acetylene black preparation weight ratio is 82.2: 3.5: 14 in the step (3): 0.3.
The invention will be further described below in conjunction with example.With an AA700mAh is example:
(1) adopts perforation nickel plated steel strip thickness 0.08mm, the substrate precoating thickness 0.8um superconduct aquadag breast of porosity 50～80%;
(2) batch mixing and manufacturing nickel electrode:
Take by weighing 3.04g ball-shape nickel hydroxide, 0.114g cobalt protoxide, the ultra tiny graphite of 0.646g, the mixing of 0.0038g acetylene black, rapid mixing is 1～2 hour in ball mill, the conductive carbon fibre that the dry powder that mixes is joined by total dry powder amount 0.1% is dispersed in the mixed liquor of moles of phenol concentration 3% sodium carboxymethylcellulose (CMC) solution, stir after 1～2 hour, the ptfe emulsion that adds 0.057g concentration 60%, continue to stir 1 hour, make slurry; Change slurry over to the machine drawing hopper, the perforation nickel plated steel strip is dried through tensile pulp machine coating, and twin rollers, section, burst, spot welding lug are made nickel electrode.
Wherein, 0.7 meter/minute of slurry speed, four sections drying tunnel temperatures are 90 ℃, 135 ℃, 120 ℃, 95 ℃.
Claims (4)
1. the manufacture method of a nickel electrode of alkaline accumulator is characterized in that may further comprise the steps:
(1) selects substrate, adopt thickness 0.03～1.0mm, the nickel plating steel with through hole of porosity 50～100%;
(2) precoating superconduct aquadag breast is on the nickel plating steel two sides with through hole, and the porosity of substrate remains on 50～80%;
(3) batch mixing:
1. sodium carboxymethylcellulose (CMC) dissolves in the pure water by mole percentage concentration 2～5%, at room temperature stirs, and is mixed with the solution of mole percent concentration 2～5%;
2. the conductive carbon fibre that with length is 2～5mm is opened dispersion by 0.1～0.4% of total dry powder amount in the high speed dispersion device;
3. with the conductive carbon fibre that disperses under stirring condition, join in the carboxymethylcellulose sodium solution, be stirred to conductive carbon fibre and be dispersed in the carboxymethylcellulose sodium solution fully;
4. the dry powder of ball-shape nickel hydroxide, cobalt protoxide, ultra tiny graphite, acetylene black preparation weight ratio is 74.5～89.9: 2～5: 8～20: 0.1～0.5, and with ball-shape nickel hydroxide (Ni (oH)
2) and cobalt protoxide (CoO), graphite powder, acetylene black take by weighing mixing in proportion, fully mix in ball mill, promptly make nickel electrode dry powder;
5. in step 3. slowly under the stirring condition, the dry powder that 4. step is prepared at the uniform velocity joins in the mixed solution that 3. step prepare, add dry powder after, quicken to stir 1～2 hour, press 1～2% of dry powder total amount again and add ptfe emulsion, continued stir about 1 hour, make nickel electrode slurry;
(4) nickel electrode slurry is changed over to the hopper of tensile pulp machine;
(5) apply slurry and film-making: above-mentioned (2) described nickel plating steel with through hole are cut into slices by putting belt wheel → hopper → mould for pulling paste → four-part form drying tunnel → precompressed twin rollers.→
1. the four-part form drying tunnel temperature is respectively 80～100 ℃, and 110～150 ℃, 110～130 ℃, 80～115 ℃; 2. slurry speed: 0.5～0.8 meter/minute.
(6) finished product: the section that above-mentioned (5) are made is made the finished product nickel electrode through compressing tablet, burst, spot welding positive pole ear.
2. the manufacture method of nickel electrode of alkaline accumulator according to claim 1 is characterized in that the four-part form drying tunnel temperature described in the step (5) is respectively: 90 ℃, 130 ℃, 120 ℃, 98 ℃.
3. the manufacture method of nickel electrode of alkaline accumulator according to claim 1 and 2 is characterized in that the dry powder preparation weight ratio of 4. described step by step ball-shape nickel hydroxide, cobalt protoxide, ultra tiny graphite, acetylene black in the step (3) is 82.2: 3.5: 14: 0.3.
4. the manufacture method of nickel electrode of alkaline accumulator according to claim 1 and 2 is characterized in that described nickel plating steel with through hole are nickel plating perforated steel ribbons, cut and draw a kind of in nickel plating steel mesh, nickel plating steel mesh and the nickel plating burr perforated steel ribbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100402475A CN101577331B (en) | 2009-06-09 | 2009-06-09 | Method for manufacturing nickel electrode of alkaline accumulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100402475A CN101577331B (en) | 2009-06-09 | 2009-06-09 | Method for manufacturing nickel electrode of alkaline accumulator |
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| CN101577331A true CN101577331A (en) | 2009-11-11 |
| CN101577331B CN101577331B (en) | 2012-02-01 |
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| CN2009100402475A Expired - Fee Related CN101577331B (en) | 2009-06-09 | 2009-06-09 | Method for manufacturing nickel electrode of alkaline accumulator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437309A (en) * | 2011-09-30 | 2012-05-02 | 天津国泰之光新材料技术研究院有限公司 | Preparation method of positive plate of battery or capacitor |
| CN102623713A (en) * | 2012-04-17 | 2012-08-01 | 河南创力新能源科技有限公司 | Steel-strip iron electrode and preparation method thereof |
| CN102800846A (en) * | 2012-08-30 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for positive electrode of power battery |
| CN101867045B (en) * | 2010-02-09 | 2012-12-12 | 湖南科力远新能源股份有限公司 | Method for preparing positive plate of nickel hydrogen battery |
| CN102832373A (en) * | 2012-08-20 | 2012-12-19 | 常州储能材料与器件研究院 | Method for manufacture of iron electrode of alkaline storage battery |
| CN104617282A (en) * | 2015-02-16 | 2015-05-13 | 徐象华 | Manufacturing method of nickel-based high-energy secondary battery negative electrode slurry |
| CN104638231A (en) * | 2015-02-16 | 2015-05-20 | 徐象华 | Preparation method of anode slurry of high-energy nickel based secondary battery |
-
2009
- 2009-06-09 CN CN2009100402475A patent/CN101577331B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867045B (en) * | 2010-02-09 | 2012-12-12 | 湖南科力远新能源股份有限公司 | Method for preparing positive plate of nickel hydrogen battery |
| CN102437309A (en) * | 2011-09-30 | 2012-05-02 | 天津国泰之光新材料技术研究院有限公司 | Preparation method of positive plate of battery or capacitor |
| CN102437309B (en) * | 2011-09-30 | 2014-01-01 | 天津国泰之光新材料技术研究院有限公司 | Preparation method of positive plate of battery or capacitor |
| CN102623713A (en) * | 2012-04-17 | 2012-08-01 | 河南创力新能源科技有限公司 | Steel-strip iron electrode and preparation method thereof |
| CN102832373A (en) * | 2012-08-20 | 2012-12-19 | 常州储能材料与器件研究院 | Method for manufacture of iron electrode of alkaline storage battery |
| CN102800846A (en) * | 2012-08-30 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for positive electrode of power battery |
| CN104617282A (en) * | 2015-02-16 | 2015-05-13 | 徐象华 | Manufacturing method of nickel-based high-energy secondary battery negative electrode slurry |
| CN104638231A (en) * | 2015-02-16 | 2015-05-20 | 徐象华 | Preparation method of anode slurry of high-energy nickel based secondary battery |
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| CN101577331B (en) | 2012-02-01 |
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Granted publication date: 20120201 Termination date: 20120609 |