CN1195332C - Making process and product of sintered cadmium negative pole for cell - Google Patents
Making process and product of sintered cadmium negative pole for cell Download PDFInfo
- Publication number
- CN1195332C CN1195332C CNB021008736A CN02100873A CN1195332C CN 1195332 C CN1195332 C CN 1195332C CN B021008736 A CNB021008736 A CN B021008736A CN 02100873 A CN02100873 A CN 02100873A CN 1195332 C CN1195332 C CN 1195332C
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- weight
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- adhesive
- cadmium
- nickel
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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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- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention discloses a method for manufacturing a sintering cadmium negative electrode of a battery and a product, wherein the manufacturing method comprises the following steps: a sheet metal material is punched, the punched sheet metal material is plated, and the punched and plated sheet metal material is used as a framework which is immersed in mixed slurry prepared from an adhesive and nickel powder; the mixture of the adhesives and nickel slurry is attached to the framework, and the framework and the mixture prepared from the adhesive and the nickel powder which are attached to the framework are conveyed to a sintering apparatus, and the basal body of sintered nickel is prepared; the prepared basal body of sintered nickel is immersed in cadmium acetate solution under the condition of vacuum, the active substances of the basal body of sintered nickel are decomposed under the state of vacuum, and the basal body is immersed by the cadmium acetate solution; after the active substances are decomposed, nitrogen is led in; finally, sheet brushing processing is carried out by a sheet brushing apparatus without dust, and then sheet brushing and sheet-manufacturing processing are carried out.
Description
Technical field
The present invention relates to a kind of method of making the sintered cadmium negative pole of battery, and the product that adopts this method to make.
Background technology
The manufacture method of the sintered cadmium negative pole of conventional a kind of battery is at first to electroplate skeleton, and the sintrered nickel matrix then, under condition of normal pressure, will immerse cadmium acetate solution through the sintrered nickel matrix then, carry out normal pressure subsequently and decompose, and finally brush sheet film-making processing.
The manufacture method of the sintered cadmium negative pole of conventional another kind of battery is at first to electroplate skeleton, and the sintrered nickel matrix then, immerses cadmium nitrate solution under vacuum condition then, alkalizes subsequently, and sheet film-making processing is finally brushed in washing then.
Method for the sintered cadmium negative pole of existing battery needs further to improve, so that enhance productivity, reduces labour intensity, improves the active material useful load, improves the unit volume specific energy.
Summary of the invention
The technical problem to be solved in the present invention is further to improve the method for making the sintered cadmium negative pole of battery in the prior art, and the sintered cadmium negative pole of method manufacturing battery thus is provided.In the method for the sintered cadmium negative pole of manufacturing battery provided by the invention; adopted under the vacuum atmospheric pressure conditions; to immerse cadmium acetate solution through the Ni substrate that oversintering is made; then, degrading activity material in protective atmosphere can improve the production efficiency of the sintered cadmium negative pole of making battery thus; reduce labour intensity; improve the active material useful load of sintered cadmium negative pole in the battery, and, the unit volume specific energy of making battery can be improved.According to a kind of method of making sintered cadmium negative pole provided by the invention, comprising following steps:
On metal sheet, carry out punching processing;
At the enterprising electroplating of metal sheet through punching processing;
Will be through punching processing and electroplated metal sheet material as skeleton, immerse in the mixed slurry that adhesive and nickel powder make, wherein adhesive comprises:
Carboxymethylcellulose sodium solution 1～3% (weight);
Sodium carboxymethylcellulose pyce adhesive 0.2～1% (weight);
Water 96～98.8% (weight);
In the mixed slurry that adhesive and nickel powder are made, comprise:
95～110 parts of nickel powders (weight);
120～150 parts in adhesive (weight);
With hickelous nydroxide nickel fiber as 3～5 parts of additives (weight);
Make the mixture of adhesive and nickel powder attached on the skeleton;
Send skeleton with attached to the mixed powder that the adhesive on the skeleton and nickel material are made into agglomerating plant, sintered skeleton and attached to 800～1000 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture, is made the sintrered nickel matrix at 3～6 minutes time;
Make the sintrered nickel matrix of making under atmospheric pressure 0.08～0.09Mpa condition, immerse cadmium acetate solution, soaked 5～20 minutes, wherein the density 1.55～1.65g/cm of cadmium acetate solution
3, 80～100 ℃ of temperature, Ph value 3～5, the composition of cadmium acetate solution comprises:
100～120 parts of glacial acetic acid or glacial acetic acids (weight);
100～110 parts of cadmium oxides (weight);
50～100 parts in water (weight);
With hickelous nydroxide as 2～6 parts of additives (weight);
For the sintrered nickel matrix that soaks through cadmium acetate solution under atmospheric pressure 0.01～0.99Mpa state; carry out active material and decompose, in the active material decomposable process, 100～700 ℃ of heating and decomposition temperature; time was controlled at 5 minutes-4.9 hours, decomposed back feeding nitrogen to normal pressure and protected.
Adopt dustless brush sheet equipment to brush sheet processing, 140～150 ℃ of processing temperatures;
Brush sheet and film-making processing.
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, metal sheet is that thickness is the cold-rolled steel sheet of 0.04～0.1mm; Thickness of plating layer is 3～5 microns; In the mixture of making of adhesive and nickel powder, adhesive comprises carboxymethylcellulose sodium solution 1.4～2.6% (weight), sodium carboxymethylcellulose pyce adhesive 0.4～0.9% (weight), water 96.5～98.2% (weight); In the mixture of adhesive and nickel powder, comprise 96～105 parts of 255# nickel powders (weight), 125～140 parts in adhesive (weight), with hickelous nydroxide nickel fiber as 3.4～4.8 parts of additives (weight).
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, the thickness of cold-rolled steel sheet is 0.08mm, and thickness of plating layer is 4 microns; In the mixture of making of adhesive and nickel, adhesive comprises carboxymethylcellulose sodium solution 2% (weight), sodium carboxymethylcellulose pyce adhesive 0.8% (weight), water 97.2% (weight); In the mixture that adhesive and nickel powder are made, comprise 100 parts of 255# nickel powders (weight), 130 parts in adhesive (weight), with hickelous nydroxide nickel fiber as 4 parts of additives (weight).
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, sintered skeleton and attached to 820～960 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture, 4～5 minutes time.
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, under vacuum condition, immerse in the cadmium acetate solution step soak time 9～15 minutes, wherein the density 1.6g/cm of cadmium acetate solution
3, 82～95 ℃ of temperature, Ph value 4, the composition of cadmium acetate solution comprises:
105～117 parts of glacial acetic acid or glacial acetic acids (weight);
102～108 parts of cadmium oxides (weight);
55～96 parts in water (weight);
With hickelous nydroxide as 3～5 parts of additives (weight).
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, comprise at the composition of cadmium acetate solution:
110 parts of glacial acetic acid or glacial acetic acids (weight);
105 parts of cadmium oxides (weight);
90 parts in water (weight);
With hickelous nydroxide as 4 parts of additives (weight).
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, sintered skeleton and attached to 900 ℃ of the temperature of the mixture of adhesive on the skeleton and nickel powder.
In the method for the another kind of sintered cadmium negative pole of making battery provided by the invention, under vacuum condition, immerse in the cadmium acetate solution step soak time 10～15 minutes, the density 1.6g/cm of cadmium acetate solution
3, 90～96 ℃ of temperature, Ph value 4, the composition of cadmium acetate solution comprises:
110 parts of glacial acetic acid or glacial acetic acids (weight);
105 parts of cadmium oxides (weight);
60 parts in water (weight);
With hickelous nydroxide as 5 parts of additives (weight).
Method according to the sintered cadmium negative pole of the above-mentioned manufacturing battery of the present invention, the sintered cadmium negative pole of the battery of making thus is provided, it comprises the metal sheet through punching processing, at the enterprising electroplating of described metal sheet, will be through punching processing and electroplated metal sheet material as skeleton, the mixture that makes adhesive and nickel powder has the structure of making Ni substrate through oversintering attached on the skeleton of making through punching processing and electroplated metal sheet material.
The sintered cadmium negative pole of this battery of the present invention and the performance of conventional products are compared as follows shown in the table:
The example table:
Performance
The sintering negative pole
The slurry negative pole
Conductivity, internal resistance
≤5mΩ
7-10mΩ
The oxygen compound ability, interior pressure
0.08-0.12MP
0.2-0.3MPa
Life-span is long, the IEC standard
800-1000 time
500-600 time
Embodiment
In the preferred implementation method of a kind of sintered cadmium negative pole of making battery of the present invention, may further comprise the steps:
Be to carry out punching processing on the cold-rolled steel sheet of 0.04～0.1mm at thickness;
At the enterprising electroplating of metal sheet through punching processing, thickness of plating layer is 3～5 microns;
Will be through punching processing and electroplated metal sheet material as skeleton, immerse in the mixed slurry that adhesive and nickel powder make, wherein adhesive comprises:
Carboxymethylcellulose sodium solution 1～3% (weight);
Sodium carboxymethylcellulose pyce adhesive 0.2～1% (weight);
Water 96～98.8% (weight);
In mixed slurry that adhesive and nickel powder are made, comprise:
95～110 parts of nickel powders (weight);
120～150 parts in adhesive (weight);
With hickelous nydroxide nickel fiber as 3～5 parts of additives (weight);
Make the mixture of adhesive and nickel powder attached on the skeleton;
Send skeleton with attached to the mixture that the adhesive on the skeleton and nickel powder are made into agglomerating plant, sintered skeleton and attached to 800～1000 ℃ of the temperature of the mixture of adhesive on the skeleton and nickel powder, is made the sintrered nickel matrix at 3～6 minutes time;
Make the sintrered nickel matrix of making under atmospheric pressure 0.08～0.09Mpa condition, immerse cadmium acetate solution, soaked 5～20 minutes, wherein the density 1.55～1.65g/cm of cadmium acetate solution
3, 80～100 ℃ of temperature, Ph value 3～5, the composition of cadmium acetate solution comprises:
100～120 parts of glacial acetic acid or glacial acetic acids (weight);
100～110 parts of cadmium oxides (weight);
50～100 parts in water (weight);
With hickelous nydroxide as 2～6 parts of additives (weight);
For the sintrered nickel matrix that soaks through cadmium acetate solution under atmospheric pressure 0.01～0.99Mpa state; carry out active material and decompose, in the active material decomposable process, 100～700 ℃ of heating and decomposition temperature; time was controlled at 5 minutes-4.9 hours, decomposed back feeding nitrogen to normal pressure and protected.
Adopt dustless brush sheet equipment to brush sheet processing, 140～150 ℃ of processing temperatures;
Brush sheet and film-making processing.
Make in the preferred implementation method of sintered cadmium negative pole of battery at provided by the invention another, in the mixture that adhesive and nickel powder are made, adhesive comprises carboxymethylcellulose sodium solution 1.4～2.6% (weight), sodium carboxymethylcellulose pyce adhesive 0.4～0.9% (weight), water 96.5～98.2% (weight); In the mixture of adhesive and nickel powder, comprise 96～105 parts of 255# nickel powders (weight), 125～140 parts in adhesive (weight), with hickelous nydroxide nickel fiber as 3.4～4.8 parts of additives (weight).
Make in the preferred implementation method of sintered cadmium negative pole of battery at provided by the invention another, the thickness of cold-rolled steel sheet is 0.08mm, and thickness of plating layer is 4 microns; In the mixture that adhesive and nickel powder are made, adhesive comprises carboxymethylcellulose sodium solution 2% (weight), sodium carboxymethylcellulose pyce adhesive 0.8% (weight), water 97.2% (weight); In the mixture that adhesive and nickel powder are made, comprise 100 parts of 255# nickel powders (weight), 130 parts in adhesive (weight), with hickelous nydroxide nickel fiber as 4 parts of additives (weight); Sintered skeleton and attached to 820～960 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture, 4～5 minutes time; Under vacuum condition, immerse in the cadmium acetate solution step soak time 9～15 minutes, wherein the density 1.6g/cm of cadmium acetate solution
3, 82～95 ℃ of temperature, Ph value 4, the composition of cadmium acetate solution comprises:
105～117 parts of glacial acetic acid or glacial acetic acids (weight);
102～108 parts of cadmium oxides (weight);
55～96 parts in water (weight);
With hickelous nydroxide as 3～5 parts of additives (weight).
Make in the preferred implementation method of sintered cadmium negative pole of battery sintered skeleton and attached to 900 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture at provided by the invention another; Composition at cadmium acetate solution comprises:
110 parts of glacial acetic acid or glacial acetic acids (weight);
105 parts of cadmium oxides (weight);
90 parts in water (weight);
With hickelous nydroxide as 4 parts of additives (weight).
Under vacuum condition, make the sintrered nickel matrix of making immerse in the cadmium acetate solution step soak time 10～15 minutes, wherein the density 1.6g/cm of cadmium acetate solution
3, 90～96 ℃ of temperature, Ph value 4, the composition of cadmium acetate solution comprises:
110 parts of glacial acetic acid or glacial acetic acids (weight);
105 parts of cadmium oxides (weight);
60 parts in water (weight);
With hickelous nydroxide as 5 parts of additives (weight).
The preferred embodiments of the present invention only are that the present invention will be described, and are not that the present invention is limited.Scope that the present invention asks for protection and design all are documented in claims of the present invention.
Claims (9)
1. method of making the sintered cadmium negative pole of battery, comprising following steps:
On metal sheet, carry out punching processing;
At the enterprising electroplating of metal sheet through punching processing;
Will be through punching processing and electroplated metal sheet material as skeleton, immerse in the mixed slurry that adhesive and nickel powder make, wherein adhesive comprises:
Carboxymethylcellulose sodium solution 1～3% (weight);
Sodium carboxymethylcellulose pyce adhesive 0.2～1% (weight);
Water 96～98.8% (weight);
In the mixed slurry that adhesive and nickel powder are made, comprise:
95～110 parts of nickel powders (weight);
120～150 parts in adhesive (weight);
With hickelous nydroxide nickel fiber as 3～5 parts of additives (weight);
Make the mixture of adhesive and nickel powder attached on the skeleton of making through punching processing and electroplated metal sheet material;
Send skeleton with attached to the mixture that the adhesive on the skeleton and nickel powder are made into agglomerating plant, sintered skeleton and attached to 800～1000 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture, is made the sintrered nickel matrix at 3～6 minutes time;
Make the sintrered nickel matrix of making under atmospheric pressure 0.08～0.09Mpa condition, immerse cadmium acetate solution, soaked 5～20 minutes, wherein the density 1.55～1.65g/cm of cadmium acetate solution
3, 80～100 ℃ of temperature, Ph value 3～5, the composition of cadmium acetate solution comprises:
100～120 parts of glacial acetic acid or glacial acetic acids (weight);
100～110 parts of cadmium oxides (weight);
50～100 parts in water (weight);
With hickelous nydroxide as 2～6 parts of additives (weight);
For the sintrered nickel matrix that soaks through cadmium acetate solution under atmospheric pressure 0.01～0.99Mpa state; carry out active material and decompose, in the active material decomposable process, 100～700 ℃ of heating and decomposition temperature; time was controlled at 5 minutes-4.9 hours, decomposed back feeding nitrogen to normal pressure and protected.
Adopt dustless brush sheet equipment to brush sheet processing, 140～150 ℃ of processing temperatures;
Brush sheet and film-making processing.
2. according to the method for the sintered cadmium negative pole of the described manufacturing battery of claim 1, it is characterized in that: wherein metal sheet is that thickness is the cold-rolled steel sheet of 0.04～0.1mm; Thickness of plating layer is 3～5 microns; In the mixed slurry that adhesive and nickel powder are made, adhesive comprises carboxymethylcellulose sodium solution 1.4～2.6% (weight), sodium carboxymethylcellulose pyce adhesive 0.4～0.9% (weight), water 96.5～98.2% (weight); In the mixture of adhesive and nickel powder, comprise 96～105 parts of 125～140 parts in (weight) adhesives of 255# nickel powder (weight), with hickelous nydroxide nickel fiber as 3.4～4.8 parts of additives (weight).
3. according to the method for the sintered cadmium negative pole of the described manufacturing battery of claim 2, it is characterized in that: the thickness of cold-rolled steel sheet is 0.08mm, and thickness of plating layer is 4 microns; In the mixed slurry that adhesive and nickel powder are made, adhesive comprises carboxymethylcellulose sodium solution 2% (weight), sodium carboxymethylcellulose pyce adhesive 0.8% (weight), water 97.2% (weight); In the mixed slurry that adhesive and nickel powder are made, comprise 100 parts of 255# nickel powders (weight), 130 parts in adhesive (weight), with hickelous nydroxide nickel fiber as 4 parts of additives (weight).
4. according to the method for the sintered cadmium negative pole of claim 2 or 3 described manufacturing batteries, it is characterized in that: sintered skeleton and attached to 820～960 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture, 4～5 minutes time.
5. according to the method for the sintered cadmium negative pole of the described manufacturing battery of claim 4, it is characterized in that: under described atmospheric pressure conditions, immerse in the cadmium acetate solution step soak time 9～15 minutes, wherein the density 1.6g/cm of cadmium acetate solution
3, 82～95 ℃ of temperature, Ph value 4, the composition of cadmium acetate solution comprises:
105～117 parts of glacial acetic acid or glacial acetic acids (weight);
102～108 parts of cadmium oxides (weight);
55～96 parts in water (weight);
With hickelous nydroxide as 3～5 parts of additives (weight).
6. according to the method for the sintered cadmium negative pole of the described manufacturing battery of claim 5, it is characterized in that comprising at the composition of cadmium acetate solution:
110 parts of glacial acetic acid or glacial acetic acids (weight);
105 parts of cadmium oxides (weight);
90 parts in water (weight);
With hickelous nydroxide as 4 parts of additives (weight).
7. according to the method for the sintered cadmium negative pole of the described manufacturing battery of claim 4, it is characterized in that: sintered skeleton and attached to 900 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture.
8. according to the method for the sintered cadmium negative pole of the described manufacturing battery of claim 1, it is characterized in that: under described atmospheric pressure conditions, immerse in the cadmium acetate solution step soak time 10～15 minutes, wherein the density 1.6g/cm of cadmium acetate solution
3, 90～96 ℃ of temperature, Ph value 4, the composition of cadmium acetate solution comprises:
110 parts of glacial acetic acid or glacial acetic acids (weight);
105 parts of cadmium oxides (weight);
60 parts in water (weight);
With hickelous nydroxide as 5 parts of additives (weight).
9. the sintered cadmium negative pole of a battery is characterized in that: punching is set on metal sheet; At the enterprising electroplating of metal sheet through punching processing; Will be through punching processing and electroplated metal sheet material as skeleton, immerse in the mixed slurry that adhesive and nickel powder make, wherein adhesive comprises:
Carboxymethylcellulose sodium solution 1～3% (weight);
Sodium carboxymethylcellulose pyce adhesive 0.2～1% (weight);
Water 96～98.8% (weight);
In the mixed slurry that adhesive and nickel powder are made, comprise:
95～110 parts of nickel powders (weight);
120～150 parts in adhesive (weight);
With hickelous nydroxide nickel fiber as 3～5 parts of additives (weight);
The mixture of adhesive and nickel powder is attached on the skeleton of making through punching processing and electroplated metal sheet material; Send skeleton with attached to the mixture that the adhesive on the skeleton and nickel powder are made into agglomerating plant, sintered skeleton and attached to 800～1000 ℃ of the temperature of adhesive on the skeleton and nickel powder mixture, is made the sintrered nickel matrix at 3～6 minutes time; Make the sintrered nickel matrix of making under atmospheric pressure 0.08～0.09Mpa condition, immerse cadmium acetate solution, soaked 5～20 minutes, wherein the density 1.55～1.65g/cm of cadmium acetate solution
3, 80～100 ℃ of temperature, Ph value 3～5, the composition of cadmium acetate solution comprises:
100～120 parts of glacial acetic acid or glacial acetic acids (weight);
100～110 parts of cadmium oxides (weight);
50～100 parts in water (weight);
With hickelous nydroxide as 2～6 parts of additives (weight);
For the sintrered nickel matrix that soaks through cadmium acetate solution under atmospheric pressure 0.01～0.99Mpa state; carry out active material and decompose, in the active material decomposable process, 100～700 ℃ of heating and decomposition temperature; time was controlled at 5 minutes-4.9 hours, decomposed back feeding nitrogen to normal pressure and protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021008736A CN1195332C (en) | 2002-02-04 | 2002-02-04 | Making process and product of sintered cadmium negative pole for cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021008736A CN1195332C (en) | 2002-02-04 | 2002-02-04 | Making process and product of sintered cadmium negative pole for cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1437279A CN1437279A (en) | 2003-08-20 |
| CN1195332C true CN1195332C (en) | 2005-03-30 |
Family
ID=27627312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021008736A Expired - Fee Related CN1195332C (en) | 2002-02-04 | 2002-02-04 | Making process and product of sintered cadmium negative pole for cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1195332C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387383C (en) * | 2005-11-17 | 2008-05-14 | 广州有色金属研究院 | Preparation method of ultra-fine nickel powder |
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2002
- 2002-02-04 CN CNB021008736A patent/CN1195332C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1437279A (en) | 2003-08-20 |
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Granted publication date: 20050330 |