CN1107987C - Draw-dried cadmium electrode for in-line package of cell - Google Patents
Draw-dried cadmium electrode for in-line package of cell Download PDFInfo
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- CN1107987C CN1107987C CN99120946A CN99120946A CN1107987C CN 1107987 C CN1107987 C CN 1107987C CN 99120946 A CN99120946 A CN 99120946A CN 99120946 A CN99120946 A CN 99120946A CN 1107987 C CN1107987 C CN 1107987C
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- cadmium
- draw
- battery
- dried
- present
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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 present invention relates to a draw-dried cadmium electrode for directly packaging cells, which is composed of a carrier and active materials coated on the carrier. The present invention is characterized in that the components (weight) of active materials comprises: 60 to 75 wt% of cadmium oxide, 4 to 10 wt% of nickel powder, 5 to 15 wt% of sponge cadmium, 3 to 10 wt% of zinc powder, 1 to 3 wt% of polyvinyl alcohol, 4 to 10 wt% of metal cadmium powder, 1 to 5 wt% of transformer oil, 0.5 to 2 wt% of disodium hydrogen phosphate, and 0.1 to 0.6 wt% of sodium carboxymethyl cellulose. By adopting the present invention, the technology for manufacturing cells is simple, the qualified rate of cells is increased by 5%, the yield of the cell is increased by one time, and the manufacturing cost is largely reduced.
Description
Technical field
The present invention relates on carrier the negative electrode of the cadmium-nickel alkaline storage battery of coating active material, particularly a kind of be used for that battery directly seals draw driedly every electrode, be the improvement of prior art.
Background technology
In recent years, the competition in ickel-cadmium cell market has reached perfervid degree, and its competition focal point is exactly price and performance, and the performance level that improves battery when reducing manufacturing cost is the target that each producer is pursued.That adopts prior art production draws dried (or claiming bonded) every electrode, when being used to make ickel-cadmium cell, must adopt the liquid rich sunk to change in the battery production technology, cause battery manufacturing process very complicated, the waste great amount of manpower and material resources, sunk changes into the back and produces a large amount of waste liquids, environment is produced pollute again, and the qualification rate that the dawn battery is made is lower, reliability is relatively poor, cause the battery manufacturing cost higher, reduced the competitiveness of product in market
Summary of the invention
The present invention's purpose is intended to overcome above-mentioned deficiency of the prior art, by changing the composition of active material, thereby provide a kind of can cancel sunk formation process in the battery manufacturing be used for that battery directly seals draw and do every electrode, to shorten battery manufacturing process, reduce the consumption of human and material resources, improve the reliability of battery, under the situation of existing equipment, manpower configuration, improve the output of battery, reduce the battery manufacturing cost greatly.
Content of the present invention is: a kind ofly be used for the draw-dried cadmium electrode that battery directly seals, be made of carrier (nickel plating Punching steel strip or punching nickel strap) and the active material coated on the carrier, its feature part is: the composition of described active material (weight) comprising:
60%---75% cadmium oxide
4%---10% nickel powder
5%---15% Spongy Cadmium
3%---10% zinc powder
1%---3% polyvinyl alcohol
4%---10% cadmium metal powder
1%---5% transformer oil
0.5%---2% sodium hydrogen phosphate
0.1%---0.6% sodium carboxymethylcellulose
In the content of the present invention: described active material also comprises 0.1%---0.7% short fiber.
In the content of the present invention: described transformer oil is preferably the 25# transformer oil
In the content of the present invention: described polyvinyl alcohol is preferably PVA-124 or PVA-1788.
The present invention draws dried as follows every the manufacturing process of electrode:
Adopt the present invention to draw dried technology as follows every electrode manufacturing battery:
Compared with prior art, the present invention has following characteristics:
(1) adopts draw-dried cadmium electrode of the present invention (being negative electrode), negative electrode has increased this operation of caustic dip in the battery manufacture process, cancel battery liquid rich sunk and changed into a large amount of manpowers of this waste, material resources, the operation of financial resources, thereby avoided the generation of a large amount of salkali waste, reduced environmental pollution, make the qualification rate of battery improve 5 percentage points, compared with prior art, in identical resource (mainly is equipment, manpower) under the configuring condition, adopt the battery production of manufacturing of the present invention to double, greatly reduce the battery manufacturing cost, improved the competitiveness of product in market.
(2) adopt draw-dried cadmium electrode of the present invention, with No. 5 batteries is example, statistics after trial production shows, the qualification rate of battery reaches more than 96%, these No. 5 battery qualification rates than prior art manufacturing have improved more than 5 percentage points, under the situation of identical manpower, device resource configuration, the AA battery production is increased to by 1.5 ten thousand of original daily outputs and produces 30,000 level daily, and all properties of battery meets national standard.The report of straight envelope (drawing dried) AA700 battery testing sees attached list 1.
Embodiment
Embodiment 1:
A kind ofly be used for the draw-dried cadmium electrode that battery directly seals, be made of carrier and the active material coated on the carrier, the composition of described active material (weight) comprising:
The 60kg cadmium oxide,
The 10kg nickel powder,
The 10kg Spongy Cadmium,
The 10kg zinc powder,
The 1kg polyvinyl alcohol,
4kg cadmium metal powder,
3kg 25# transformer oil,
1.5kg sodium hydrogen phosphate,
0.2kg sodium carboxymethylcellulose, and
0.3kg short fiber.
This draw-dried cadmium electrode manufacturing process following (same prior art):
(1) preparation slurry:, make slurry with the described active material component and the mixing and stirring of purifying waste water in right amount;
(2) scrape slurry: make nickel plating Punching steel strip or punching nickel strap from slurry by and hanging after, pass through squeegee again;
(3) oven dry;
(4) roll-in;
(5) section: promptly make the draw-dried cadmium electrode product.
Adopt this draw-dried cadmium electrode, can cancel liquid rich sunk of the prior art in the battery manufacture process and change into this operation, and the battery manufacturing cost reduces greatly, all properties of battery all meets national requirements.
Embodiment 2～7.
A kind of drawing of being used for that battery directly seals done every electrode, is made of carrier and the active material coated on the carrier, and described active material is formed and seen the following form:
Other is with embodiment 1, slightly.
The invention is not restricted to the foregoing description, content of the present invention is described all can be implemented, and has good result.
Claims (2)
1, a kind ofly is used for the draw-dried cadmium electrode that battery directly seals, be made of carrier and the active material of coating on the carrier, it is characterized in that: the composition of described active material (weight) comprising: 60%-75% cadmium oxide, 4%-10% nickel powder, 5%-15% Spongy Cadmium, 3%-10% zinc powder, 1%-3% polyvinyl alcohol, 4%-10% cadmium metal powder, 1%-5% transformer oil, 0.5%-2% sodium hydrogen phosphate and 0.1%-0.6% sodium carboxymethylcellulose.
2, be used for the draw-dried cadmium electrode that battery directly seals by claim 1 is described, it is characterized in that: described active material also comprises the 0.1%-0.7% short fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99120946A CN1107987C (en) | 1999-09-24 | 1999-09-24 | Draw-dried cadmium electrode for in-line package of cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99120946A CN1107987C (en) | 1999-09-24 | 1999-09-24 | Draw-dried cadmium electrode for in-line package of cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1254195A CN1254195A (en) | 2000-05-24 |
| CN1107987C true CN1107987C (en) | 2003-05-07 |
Family
ID=5281733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99120946A Expired - Fee Related CN1107987C (en) | 1999-09-24 | 1999-09-24 | Draw-dried cadmium electrode for in-line package of cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1107987C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3696086B2 (en) * | 2000-12-28 | 2005-09-14 | 三洋電機株式会社 | Cadmium negative electrode for alkaline storage battery and method for producing the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63164162A (en) * | 1986-12-25 | 1988-07-07 | Matsushita Electric Ind Co Ltd | Cadmium negative electrode for alkaline storage battery |
| CN1063581A (en) * | 1992-01-25 | 1992-08-12 | 国营第七五六厂 | Cadmium-nickel alkaline storage battery draw dried negative electrode manufacture method |
-
1999
- 1999-09-24 CN CN99120946A patent/CN1107987C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63164162A (en) * | 1986-12-25 | 1988-07-07 | Matsushita Electric Ind Co Ltd | Cadmium negative electrode for alkaline storage battery |
| CN1063581A (en) * | 1992-01-25 | 1992-08-12 | 国营第七五六厂 | Cadmium-nickel alkaline storage battery draw dried negative electrode manufacture method |
Non-Patent Citations (1)
| Title |
|---|
| 电源技术第22卷第2期 1998-04-01 余国华：我国镉镍电池的电极制造技术及发展 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1254195A (en) | 2000-05-24 |
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