CN103400992A - Alkaline dry battery cathode additive and alkaline dry battery - Google Patents
Alkaline dry battery cathode additive and alkaline dry battery Download PDFInfo
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- CN103400992A CN103400992A CN2013103539635A CN201310353963A CN103400992A CN 103400992 A CN103400992 A CN 103400992A CN 2013103539635 A CN2013103539635 A CN 2013103539635A CN 201310353963 A CN201310353963 A CN 201310353963A CN 103400992 A CN103400992 A CN 103400992A
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Abstract
The invention discloses an alkaline dry battery cathode additive capable of improving the discharging performance of a cathode of an alkaline manganese battery and the alkaline dry battery and belongs to the field of batteries. The alkaline dry battery cathode additive is an oxide and/or hydroxide of magnesium, preferably a magnesium oxide and/or a magnesium hydroxide. The alkaline dry battery comprises cathode zinc paste; the cathode zinc paste contains cathode zinc powder; the cathode additive is added into the cathode zinc paste, and preferably the amount of the cathode additive is 0.1-5.0 percent of the weight of the cathode zinc powder. The cathode additive can improve the comprehensive discharging performance of the alkaline manganese battery. The alkaline dry battery disclosed by the invention is suitable for high-power output, high in low- and mediate-current discharging characteristic and favorable for large-batch production and can meet requirements of different electric appliances.
Description
Technical field
The invention belongs to field of batteries, be specifically related to a kind of negative electrode of alkaline dry cell additive and alkaline dry battery that improves alkaline Mn cell negative discharge performance.
Background technology
the progress of science and technology has promoted a large amount of universal of the small-sized electric appliances such as portable type electronic product, from the digital camera series products that requires high-power output to modal medium and small load class electrical appliance, as MP3, the CD player, remote controller etc., comprehensive discharge capability to alkaline Mn cell is had higher requirement, require the alkaline Mn cell product no matter at high-power output, or all should have gratifying result of use under medium and small electric current application conditions, therefore, the comprehensive discharge capability that how to promote alkaline dry battery is an importance of alkaline Mn cell technical development, to meet well the power supply requirement of portable product.
alkaline dry battery is as the primary cell that is most widely used, anodal adopt electrolytic manganese dioxide or with other positive electrode mixture as active material, negative pole adopts Zinc alloy powder as active material, aspect lifting alkaline Mn cell negative pole performance study, people have carried out more research from pattern and the granularity aspect of zinc powder mostly, just to having the application of different roughness zinc powder on alkaline Mn cell, be studied in patent CN200580021662.6, this is mainly because the heterogeneous microstructure defect is more, increased the reactivity of zinc powder, be conducive to improve the re-load discharge ability of alkaline Mn cell, just alkaline Mn cell is made research with the bulk density of zinc powder to the impact of electrode performance in patent CN200380107226.1, in patent CN1441973A, the average grain diameter of the zinc powder aspect that affects on battery performance is studied.Show from the research of above-mentioned patent, the physical characteristic of zinc powder has a significant effect to the improvement of battery performance, also can find out from research in the past simultaneously, aspect the improving of negative pole zinc powder performance, everybody pays attention to studying improvement from appearance, bulk density, particle diameter, the alloy element aspect of zinc powder, but by the application of cathode additive agent, still few with the research of the comprehensive discharge capability aspect of improving alkaline Mn cell, this is the content that the present invention mainly studies.Summary of the invention
Technical problem to be solved by this invention is to provide a kind of negative electrode of alkaline dry cell additive and alkaline dry battery that improves alkaline Mn cell negative discharge performance.
The technical solution adopted for the present invention to solve the technical problems is: negative electrode of alkaline dry cell additive, this additive are oxide and/or the hydroxide of magnesium.
Wherein, the oxide of magnesium can be magnesium oxide and peromag.
The oxide that it will be appreciated by persons skilled in the art that described magnesium comprises the nano-oxide of magnesium, and the hydroxide of described magnesium comprises the nanometer hydroxide of magnesium.Wherein the nano-oxide of magnesium is nano magnesia.The nanometer hydroxide of magnesium is nano-sized magnesium hydroxide.In addition, related magnesium oxide/nano magnesia in the present invention/magnesium hydroxide/nano-sized magnesium hydroxide is the pure or top grade product of the analysis of market sale.
Wherein, above-mentioned cathode additive agent is magnesium oxide and/or magnesium hydroxide.
Alkaline dry battery, comprise negative zinc cream, contains the negative pole zinc powder in negative zinc cream, is added with above-mentioned cathode additive agent in negative zinc cream.
Wherein, in above-mentioned alkaline dry battery, the amount of cathode additive agent is 0.1～5.0% of negative pole zinc powder weight.
Wherein, in above-mentioned alkaline dry battery, the amount of cathode additive agent is 0.5～2.0% of negative pole zinc powder weight.
The present invention also provides magnesium oxide and/or magnesium hydroxide in the purposes as in the negative electrode of alkaline dry cell additive.
The invention has the beneficial effects as follows: cathode additive agent of the present invention can improve the comprehensive discharge performance of alkaline Mn cell.Alkaline dry battery of the present invention is suitable for high-power output, and middle low discharging current characteristic good is easy to produce in enormous quantities, meets the requirement of different electrical equipment.
Description of drawings
Fig. 1 is the profile of alkaline dry battery of the present invention.
Wherein, mark in figure, 1 is negative pole end, and 2 is sealing ring, and 3 is metallic gasket, and 4 is the negative current collector fastener, and 5 is negative zinc cream, and 6 is diaphragm paper, and 7 is anode ring, 8 is anode cover.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Negative electrode of alkaline dry cell additive of the present invention, this additive are oxide and/or the hydroxide of magnesium.
Preferably, above-mentioned cathode additive agent is magnesium oxide and/or magnesium hydroxide.
Alkaline dry battery of the present invention, comprise negative zinc cream 5, contains the negative pole zinc powder in negative zinc cream 5, is added with above-mentioned cathode additive agent in negative zinc cream 5.
Preferably, in order to improve battery performance, the amount of cathode additive agent is 0.1～5.0% of negative pole zinc powder weight.
Preferably, in order further to improve battery performance, the amount of cathode additive agent is 0.5～2.0% of negative pole zinc powder weight.
The present invention also provides magnesium oxide and/or magnesium hydroxide in the purposes as in the negative electrode of alkaline dry cell additive.
Below by embodiment, the specific embodiment of the invention is described further, but therefore protection scope of the present invention is not limited among embodiment.
The preparation of embodiment one general alkali dry cell and discharge performance test
Active material manganese dioxide, electrically conductive graphite are fully mixed with the weight ratio of 120:4～8, then add 3.5% alkaline electrolyte (KOH or NaOH), stir rear with 140～280kgf/cm
2Pressure carry out compressing tablet, granulation again, screening afterwards, form and to have the anodal particle that certain particle size distributes, and then adds 0.1～0.3% stearic acid additive in making anodal particle, then by compression molding, make anode ring 7; First Sodium Polyacrylate is mixed with 40～60:1 ratio with indium compound, join again that in alkaline electrolyte, (wherein KOH concentration is 32～42%, the negative pole zinc oxide content is 1～5%) make gel electrolyte, then zinc powder, gel electrolyte are vacuumized stirring with 300:130～180 ratios, obtained colloid substance is as negative zinc cream 5.
Battery is comprised of anode cover 8, anode ring 7, diaphragm paper 6, negative zinc cream 5, collector body and electrolyte.Wherein, anode cover 8 is made through uniform thickness drawing and forming not by nickel plated steel strip, and at anode cover 8 inner surface coated with conductive equadag coatings, anode ring 7 is packed in anode cover 8, then press again operation with the pressure pressing of 2～5 tons by secondary, increase on the one hand the density of anode ring, strengthen anodal intergranular contact, make on the other hand anode ring be close to the inner surface of anode cover 8.Pass through slot rolling, be coated with sealant in anode cover 8 peristome inner surfaces, put into afterwards the diaphragm paper 6 of coiling and molding in anode ring 7, again to the inner approximately 32～42%(percentage by weight that injects of barrier film) potassium hydroxide aqueous solution as electrolyte, and make diaphragm paper 6 and the abundant imbibition of anode ring 7.Then will, as the negative zinc cream 5 of negative electrode active material, put into diaphragm paper 6 inside.Negative current collector fastener 4, sealing ring 2, metallic gasket 3 and negative pole end 1 are combined into collector body, last edge curling seal, thus make alkaline dry battery 1#.
Above-mentioned 1# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment two alkaline dry batteries of the present invention and discharge performance test
Add 0.1% magnesium hydroxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment one, and the positive pole of embodiment 1 forms alkaline dry battery 2#.
Above-mentioned 2# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment three alkaline dry batteries of the present invention and discharge performance test
Add 0.5% magnesium hydroxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment one, and the positive pole of embodiment 1 forms alkaline dry battery 3#.
Above-mentioned 3# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment four alkaline dry batteries of the present invention and discharge performance test
Add 1% magnesium hydroxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment one, and the positive pole of embodiment 1 forms alkaline dry battery 4#.
Above-mentioned 4# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment five alkaline dry batteries of the present invention and discharge performance test
Add 2% magnesium hydroxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment one, and the positive pole of embodiment 1 forms alkaline dry battery 5#.
Above-mentioned 5# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment six alkaline dry batteries of the present invention and discharge performance test
Add 3% magnesium hydroxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment one, and the positive pole of embodiment 1 forms alkaline dry battery 6#.
Above-mentioned 6# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment seven alkaline dry batteries of the present invention and discharge performance test
Add 5% magnesium hydroxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment one, and the positive pole of embodiment 1 forms alkaline dry battery 7#.
Above-mentioned 7# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment eight alkaline dry batteries of the present invention and discharge performance test
Add 1% magnesium oxide in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment 1, and the positive pole of embodiment 1 forms alkaline dry battery 8#.
Above-mentioned 8# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The preparation of embodiment nine alkaline dry batteries of the present invention and discharge performance test
Add each magnesium oxide and magnesium hydroxide of 0.5% in negative zinc cream in embodiment one, the mode that adds is to add in Sodium Polyacrylate gel and indium compound mixed process, join again in electrolyte after mixing, carry out the making of negative zinc cream by the negative pole preparing process of embodiment 1, and the positive pole of embodiment 1 forms alkaline dry battery 9#.
Above-mentioned 9# alkaline dry battery is carried out permanent power discharge, and the discharge project is undertaken by 7.1.5 regulation in the IEC60086-2-2011 standard.
In the isoperibol of 20 ℃ ± 2 ℃, respectively getting 9 1# batteries carries out the 1000mA pulsed discharge and put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time.
The alkaline dry battery that above-described embodiment 1～9 is made carries out the 1000mA pulsed discharge by 7.1.5 regulation in the IEC60086-2-2006 standard to be put 10 seconds to 0.9v(1 minute, discharged every day 1 hour, record the discharge pulse discharge time), 3.9 ohm of intermittent discharges discharged 1 hour to 0.8v(every day, record discharge time), 10 ohm of continuous discharges are to 0.9v, record discharge time, test data the results are shown in Table 1.
Above-mentioned test data represents with index, and the test data of embodiment 1 is set as 100.
Table 1
As can be seen from Table 1, alkaline dry battery of the present invention has clear improvement on heavy current pulse performance and middle low discharging current characteristic, and this alkaline dry battery is with low cost, is easy to apply in enormous quantities.
Claims (6)
1. the negative electrode of alkaline dry cell additive, is characterized in that this additive is oxide and/or the hydroxide of magnesium.
2. negative electrode of alkaline dry cell additive according to claim 1, is characterized in that this additive is magnesium oxide and/or magnesium hydroxide.
3. alkaline dry battery, comprise negative zinc cream (5), and negative zinc cream contains the negative pole zinc powder in (5), it is characterized in that: be added with the described cathode additive agent of claim 1 or 2 in negative zinc cream (5).
4. alkaline dry battery according to claim 3, it is characterized in that: the amount of cathode additive agent is 0.1～5.0% of negative pole zinc powder weight.
5. alkaline dry battery according to claim 4, it is characterized in that: the amount of cathode additive agent is 0.5～2.0% of negative pole zinc powder weight.
6. magnesium oxide and/or magnesium hydroxide are in the purposes as in the negative electrode of alkaline dry cell additive.
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| CN2013103539635A CN103400992A (en) | 2013-08-14 | 2013-08-14 | Alkaline dry battery cathode additive and alkaline dry battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201360A (en) * | 2014-07-28 | 2014-12-10 | 宁波倍特瑞能源科技有限公司 | Alkaline dry battery and preparation method thereof |
| CN106025284A (en) * | 2016-05-31 | 2016-10-12 | 卢财鑫 | Chargeable alkaline zinc-manganese dioxide battery |
| CN109786774A (en) * | 2018-12-28 | 2019-05-21 | 福建南平南孚电池有限公司 | Alkaline zinc-manganese battery |
| CN110391429A (en) * | 2019-07-25 | 2019-10-29 | 横店集团东磁股份有限公司 | A kind of alkaline Mn cell |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873367A (en) * | 1970-08-17 | 1975-03-25 | Rhein Westfael Elect Werk Ag | Zinc-container electrode |
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2013
- 2013-08-14 CN CN2013103539635A patent/CN103400992A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873367A (en) * | 1970-08-17 | 1975-03-25 | Rhein Westfael Elect Werk Ag | Zinc-container electrode |
Non-Patent Citations (1)
| Title |
|---|
| 李景威等: "MgO添加剂对Zn-Ni蓄电池负极性能的影响", 《电池工业》, vol. 14, no. 1, 28 February 2009 (2009-02-28), pages 31 - 33 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201360A (en) * | 2014-07-28 | 2014-12-10 | 宁波倍特瑞能源科技有限公司 | Alkaline dry battery and preparation method thereof |
| CN104201360B (en) * | 2014-07-28 | 2016-09-21 | 宁波倍特瑞能源科技有限公司 | Alkaline dry battery and preparation method thereof |
| CN106025284A (en) * | 2016-05-31 | 2016-10-12 | 卢财鑫 | Chargeable alkaline zinc-manganese dioxide battery |
| CN109786774A (en) * | 2018-12-28 | 2019-05-21 | 福建南平南孚电池有限公司 | Alkaline zinc-manganese battery |
| CN109786774B (en) * | 2018-12-28 | 2020-12-25 | 福建南平南孚电池有限公司 | Alkaline zinc-manganese battery |
| CN110391429A (en) * | 2019-07-25 | 2019-10-29 | 横店集团东磁股份有限公司 | A kind of alkaline Mn cell |
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Application publication date: 20131120 |