CN1204639C - Alkaline dry battery - Google Patents
Alkaline dry battery Download PDFInfo
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- CN1204639C CN1204639C CNB021373442A CN02137344A CN1204639C CN 1204639 C CN1204639 C CN 1204639C CN B021373442 A CNB021373442 A CN B021373442A CN 02137344 A CN02137344 A CN 02137344A CN 1204639 C CN1204639 C CN 1204639C
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- zinc
- nickel oxide
- gamma
- oxygen containing
- battery
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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 an alkaline dry battery which comprises a positive pole, a negative pole and an alkaline electrolyte, wherein the negative pole comprises zinc powder with active substances; the positive pole uses more than 80% (weight) of gamma-oxhydryl nickel oxide as the active substance and also comprises oxygenous zinc, cobalt compounds and the mixture of the oxygenous zinc and the cobalt compounds, the content of the oxygenous zinc, the cobalt compounds and the mixture of the oxygenous zinc and the cobalt compounds is equal to 0.1% to 10%(weight) of gamma-oxhydryl nickel oxide. Compared with the prior art, the alkali dry battery of the present invention has a greatly improved large load discharging characteristic, can be stored for a long time and has a preferable heavy current characteristic. The present invention adds a new variety with excellent performance to battery industry.
Description
Technical field
The present invention relates to technical field of chemical power, specifically a kind of alkaline dry battery that uses gamma-hydroxy nickel oxide as positive active material.
Background technology
In chemical power source series, can not active material be restored and the battery of continuation use with simple charging method behind the battery discharge, belong to primary cell, be dry cell again one time.Modal have Alkaline Zinc one manganese dioxide battery but because there is the discharge curve unevenness in it, the shortcoming that the high pressure section discharge capacity is low, incompatible at present some discharge power height, the electronic product that final voltage is high.In recent years, adopt hydroxy nickel oxide or comprise manganese dioxide and hydroxy nickel oxide is come out one after another as the alkaline battery of positive active material, they with routine not the alkaline dry battery of hydroxyl nickel oxide compare, its high-rate performance increases.Application number is " 01116672.x ", " positive electrode and nickel-zinc cell ", and it is exactly as positive active material, with the active material of zinc powder as negative pole with the beta-hydroxy nickel oxide.But this battery is after long term storage, still has the high-rate performance defective faster that descends.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the defective that above-mentioned prior art exists, a kind of have good heavy load discharge characteristic, long service life, low-cost modified alkaline battery to be provided.
Purpose of the present invention can realize in the following manner:
Product of the present invention comprises and contains positive pole, negative pole and alkaline electrolyte.The anodal gamma-hydroxy nickel oxide that contains more than 80% that adopts wherein also includes oxygenatedchemicals as active material, and it can select at least a oxygen containing zinc compound or oxygen containing cobalt compound or their mixture for use; Negative pole with zinc powder as active material; Oxygenatedchemicals mainly is zinc oxide and cobalt dioxide, and its content is that 0.1%～10% (percentage by weight) of gamma-hydroxy nickel oxide is relatively good; With the alkaline dry battery that the method makes, compared with prior art, its heavy load discharge feature is improved greatly, and after this alkaline dry battery long term storage, high-rate performance is more apparent superior, has increased a kind of new varieties of function admirable for battery industry.
Description of drawings
Accompanying drawing is the profile of alkaline battery of the present invention.
Embodiment
The anodal shell 1 of this battery is made by nickel-plated steel, and equadag coating film 2 is applied to the inside of shell 1, and the anode ring 3 that will contain gamma-hydroxy nickel oxide is packed in the anodal shell 1, and exerts pressure and it is close to the inner surface of anodal shell.Diaphragm paper 4 is put into anode ring 3, and the potassium hydroxide aqueous solution that injects about 40% (percentage by weight) makes diaphragm paper 4 and anode ring 3 abundant imbibitions as electrolyte.To put into diaphragm paper 4 inside as the calamine cream 5 of negative electrode active material then.This calamine cream 5 is to be mixed the spawn that makes by zinc powder, alkaline electrolyte (as potassium hydroxide, NaOH) and adhesive Sodium Polyacrylate.8 are combined into collector body at the bottom of the iron of negative current collector fastener 6 and sealing ring 7 and negative pole end, after groove, crimping seal, have promptly made alkaline dry battery.
Wherein anode ring is formed by following component and step:
Active material gamma-hydroxy nickel oxide, conductive agent graphite and stearic acid adhesive are fully mixed with 100: 4～6: 0.3～0.5 weight ratio, the alkaline electrolyte (KOH or NaOH) that then adds 4% (percentage by weight), stir, roll sheet, granulation, form certain particle diameter.Earlier the particle that forms is made anode ring " a " at the certain pressure compacted under, be that 40% potassium hydroxide aqueous solution injects diaphragm paper as electrolyte again with content, (wherein KOH concentration is 38～42% to use zinc powder, Sodium Polyacrylate, alkaline electrolyte then, ZnO concentration is 4～8%) mix by weight 100: 0.1～2: 40～60, make spawn as negative zinc cream 5.The anode ring " a " and the negative zinc cream 5 that make are assembled into battery " A " as stated above, measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown measurement result in the table.
With the mode identical with embodiment 1, manganese dioxide is substituted anode ring " b " and the negative zinc cream 5 that above-mentioned gamma-hydroxy nickel oxide is made, form alkaline dry battery " B ", measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown its measurement result in the table.
With the mode identical with embodiment 1, the gamma-hydroxy nickel oxide that will contain 3.5% (percentage by weight) zinc oxide, the anode ring that gamma-hydroxy nickel oxide in the alternate embodiment 1 makes " c ", be assembled into alkaline dry battery " C " with negative zinc cream 5, measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown its measurement result in the table.
With the mode identical with embodiment 1, the gamma-hydroxy nickel oxide that will contain 2.5% (percentage by weight) cobalt oxide, the anode ring that gamma-hydroxy nickel oxide in the alternate embodiment 1 makes " d ", be assembled into alkaline dry battery " D " with negative zinc cream 5, measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown its measurement result in the table.
With the mode identical with embodiment 1, the gamma-hydroxy nickel oxide that will contain 6% (percentage by weight) zinc oxide and cobalt dioxide mixture, the anode ring that gamma-hydroxy nickel oxide in the alternate embodiment 1 makes " e ", be assembled into alkaline dry battery " E " with negative zinc cream 5 and measure initial period and 70 ℃ of following storage discharge periods after 7 days, shown its measurement result in the table.
Embodiment 6
With the method identical with embodiment 1, the gamma-hydroxy nickel oxide that will contain 10% (weight) zinc oxide and cobalt dioxide mixture, the anode ring that gamma-hydroxy nickel oxide in the alternate embodiment 1 makes " f ", be assembled into alkaline dry battery " F " with negative zinc cream 5, measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown its measurement result in the table.
Embodiment 7
With the method identical with embodiment 1, with the gamma-hydroxy nickel oxide in the beta-hydroxy nickel oxide alternate embodiment 1, the anode ring that makes " g ", be assembled into alkaline dry battery " G " with negative zinc cream 5, measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown its measurement result in the table.
Embodiment 8
With the method identical with embodiment 1, to contain the anode ring " h " that the gamma-hydroxy nickel oxide in the beta-hydroxy nickel oxide alternate embodiment 1 of 6% zinc oxide and cobalt dioxide mixture makes, be assembled into alkaline dry battery " H " with negative zinc cream 5, measure initial period and 70 ℃ of discharge periods that store down after 7 days, shown its measurement result in the table.
Alkaline dry battery A, B, C, D, E, F, G, H that above-mentioned anode ring and calamine cream, electrolyte are made respectively, and test initial period and 70 ℃ of alkaline dry batteries that store 7 days down respectively, continuous discharge is to the discharge time of 1.0 volts of voltages under the constant current of 1500mA.
| Battery | Positive active material | The oxide that comprises | Discharge time (minute) | |
| Initial | 70 ℃ store 7 days down | |||
| A | γ-NiOOH | 38 | 12 | |
| B | MnO 2 | 13 | 0.5 | |
| C | γ-NiOOH | 3.5％ZnO 2 | 36 | 18 |
| D | γ-NiOOH | 2.5％CoO 2 | 35 | 17 |
| E | γ-NiOOH | About 6%ZnO/CoO 2 | 40 | 23 |
| F | γ-NiOOH | About 10%ZnO/CoO 2 | 37 | 22 |
| G | β-NiOOH | 33 | 1O | |
| H | β-NiOOH | About 6%ZnO/CoO 2 | 32 | 15 |
From last table as seen, about the initial performance of battery, manganese dioxide is as positive active material in these batteries, and its heavy load discharge characteristic is far below β, the gamma-hydroxy nickel oxide battery as active material; As positive active material, its heavy load discharge characteristic is slightly poorer as the battery of positive active material than gamma-hydroxy nickel oxide with the beta-hydroxy nickel oxide; The hydroxy nickel oxide that adds different oxides is as active material, the initial performance of its battery is basic identical, after storing 7 days under 70 ℃, manganese dioxide is as the battery of positive active material, its heavy load discharge characteristic is almost 0, the gamma-hydroxy nickel oxide that includes zinc oxide and cobalt dioxide has good heavy load discharge characteristic as active material after the high-temperature storage, than good as the battery of positive active material with the beta-hydroxy nickel oxide.
Claims (6)
1. alkali primary dry cell, it comprises positive pole, negative pole and alkaline electrolyte, negative pole contains zinc powder as active component, it is characterized in that, the anodal above gamma-hydroxy nickel oxide of 80 weight % that adopts is as active material, wherein also include the mixture that oxygen containing zinc compound and oxygen containing cobalt compound constitute, and conductive agent graphite, wherein the content of the mixture that oxygen containing zinc compound and oxygen containing cobalt compound constitute in the positive pole is 6 weight % of gamma-hydroxy nickel oxide.
2. alkali primary dry cell according to claim 1 is characterized in that, described oxygen containing zinc compound is ZnO.
3. alkali primary dry cell as claimed in claim 1 is characterized in that, described oxygen containing cobalt compound is CoO
2
4. alkali primary dry cell as claimed in claim 1 is characterized in that, storage is after 7 days down at 70 ℃ for described battery, and be 23 minutes continuous discharge to the discharge time of 1.0V under the constant current of 1500mA.
5. alkali primary dry cell as claimed in claim 1 is characterized in that, described oxygen containing zinc, cobalt compound are ZnO and CoO
2
6. alkali primary dry cell as claimed in claim 1 is characterized in that, described alkaline electrolyte is selected from down group: potassium hydroxide, NaOH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021373442A CN1204639C (en) | 2002-09-30 | 2002-09-30 | Alkaline dry battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021373442A CN1204639C (en) | 2002-09-30 | 2002-09-30 | Alkaline dry battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1405908A CN1405908A (en) | 2003-03-26 |
| CN1204639C true CN1204639C (en) | 2005-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021373442A Expired - Fee Related CN1204639C (en) | 2002-09-30 | 2002-09-30 | Alkaline dry battery |
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| CN (1) | CN1204639C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349312C (en) * | 2005-05-31 | 2007-11-14 | 四川长虹电器股份有限公司 | Positive electrode material of alkaline dry battery, high-power alkaline dry battery and preparation method of high-power alkaline dry battery |
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2002
- 2002-09-30 CN CNB021373442A patent/CN1204639C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1405908A (en) | 2003-03-26 |
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Granted publication date: 20050601 Termination date: 20160930 |