CN103151527A - Alkaline battery additive - Google Patents
Alkaline battery additive Download PDFInfo
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- CN103151527A CN103151527A CN2012105861686A CN201210586168A CN103151527A CN 103151527 A CN103151527 A CN 103151527A CN 2012105861686 A CN2012105861686 A CN 2012105861686A CN 201210586168 A CN201210586168 A CN 201210586168A CN 103151527 A CN103151527 A CN 103151527A
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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention provides an alkaline battery additive which is soluble metal fluoride. The positive pole of a battery, or the negative pole of the battery or electrolyte contains, by weight, 0.01-5% of the additive. Metal fluoride salt is added in the positive pole of the battery or the negative pole of the battery or the electrolyte to serve as the additive, internal resistance and a gassing rate of the battery are reduced, and noval electrical performance and high-temperature storage performance of the battery are improved.
Description
Technical field
The present invention relates to a kind of additives for battery, be specifically related to a kind of additive for alkaline battery.
Background technology
In recent years, digital product such as digital camera, palmtop PC, game machine, mobile phone etc. were all towards the fast development of large-screen direction, and digital product is had higher requirement to constant current and the pulsed discharge performance of battery.The battery of good combination property, the battery of the superior performance such as little in the internal resistance of cell, that shelf characteric is good, gassing rate is little is more and more paid close attention to by enterprise.Both at home and abroad each battery production enterprise improves battery performance by all means, at present normal methods such as raising that raw-material preferred, inside battery space is arranged that adopt.These methods can be to a certain degree the raising battery performance, yet due to the finiteness of the restriction that is subjected to raw material technique and battery self-capacity, make and improve battery performance by the method and be subject to restriction to a certain degree.
Summary of the invention
Problem to be solved by this invention is that having added in the positive pole of alkaline battery and/or negative pole and electrolyte of proposing for the deficiencies in the prior art is a kind of for reducing the internal resistance of cell, gassing rate and improve the additive of the new electrical property of battery and high-temperature shelf property.
The technical solution adopted in the present invention is: a kind of alkaline battery additive agent, described additive is the metal fluoride of solubility, contain the 0.01-5wt% additive in anode, negative pole or electrolyte, respectively in the total weight of anode, negative pole or electrolyte.
The present invention compared with prior art has following remarkable beneficial effect: added metal fluoride salt as additive in anode, negative pole or electrolyte, reduced the internal resistance of cell, gassing rate, and improved the new electrical property of battery and high-temperature shelf property.
As preferably, the metal fluoride of described solubility is potassium fluoride or sodium fluoride.
Embodiment
The inventor finds that through extensive and deep research adding the sinter powder of manganese dioxide and barium sulfate to the positive pole of alkaline battery has beyond thought raising effect to the continuous discharge performance of battery, new electricity and high-temperature storage performance.
Anode preparation method
Applicable positive pole of the present invention is not particularly limited, and can be the conventional applicable known positive pole of positive pole, especially technical staff in this area, for example, contains the positive pole of manganese dioxide and graphite powder.
The negative pole of battery
The main active of negative pole is zinc powder, hydrogen or metal hydride, and other elements such as iron, lead or cadmium also can be considered to use under some special-purpose.
The electrolyte of battery
The key component of electrolyte aqueous solution should adapt to positive pole of the present invention and negative pole is formed a team.
Below in conjunction with specific embodiment, the present invention is described further, single the present invention not only is confined to following examples.
Comparative examples 1
Do not add additive in alkaline electrolyte, the solubility that in electrolyte is the solubility potassium fluoride is 0wt%.
Embodiment 1
The soluble fluorinated potassium that is 0.1wt%, 0.5wt%, 2.0wt%, 5.0wt% with concentration adds in the negative pole of alkaline battery, in the total weight of battery cathode.
With the internal resistance of battery Inner Resistance Tester in Virtual Instrument test battery, table 1 has shown and has added the potassium fluoride of different content in electrolyte to the impact of the internal resistance of cell.After adding soluble fluorinated potassium in electrolyte, the internal resistance of cell is the trend that first reduces rear increase, and 0.5% the time, the internal resistance of battery reduces 9.0% than originally when addition, and alkaline battery of the present invention has the little characteristics of internal resistance.
Table 1 adds the potassium fluoride of different content to the impact of the internal resistance of cell
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively and place the performance of 7 days under the performance newly make battery and 70 ℃, result is as described in table 2 and table 3:
Table 2 adds the new electrical property of the potassium fluoride battery of different content
Table 3 adds 70 ℃ of impacts of storing performance after 7 days of potassium fluoride battery of different content
Potassium fluoride add the electrical property that can improve battery, especially pulsed discharge performance, 0.5% the time, it is best that the performance of battery reaches when the addition of potassium fluoride; New electric 1.5W pulsed discharge connects to put to improve to 0.9V to 0.9V raising 5.2%, 1000mA pulsed discharge to 1.05V raising 17.2%, 1000mA puts between 4.0%, 10 Ω to 0.9V raising 3.9%; 70 ℃ of storages of battery are after 7 days, and the 1.5W pulsed discharge connects to put to improve to 0.9V to 0.9V raising 5.2%, 1000mA pulsed discharge to 1.05V raising 25.3%, 1000mA puts between 5.8%, 10 Ω to 0.9V raising 10.6%.
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively under the new electric high pressure section electrical property newly make battery and 70 ℃ and place the high pressure section electrical property of 7 days, result is as described in table 4 and table 5:
Table 4 adds the new electric high pressure section electrical property of the potassium fluoride battery of different content
70 ℃ of storages of potassium fluoride battery of table 5 interpolation different content high pressure section electrical property after 7 days
Discharge platform in the time of to improve the adding of potassium fluoride the discharge of battery high pressure section, when adding 0.5% potassium fluoride, new electric 1.5W pulsed discharge improves 14.7%, 1000mA to 1.20V even puts to 1.10V raising 15.2%, the 1000mA pulsed discharge improves to 1.10V puts between 9.2%, 10 Ω to 1.10V raising 4.4%; 70 ℃ of storages of battery are after 7 days, and the 1.5W pulsed discharge connects to put to improve to 1.10V to 1.10V raising 12.6%, 1000mA pulsed discharge to 1.20V raising 4.3%, 1000mA puts between 21.6%, 10 Ω to 1.10V raising 5.4%.
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively the gassing rate that newly makes battery, result is as described in Table 6:
Table 6 adds potassium fluoride to the impact of battery gassing rate
Add at alkaline battery and add potassium fluoride in electrolyte, can improve the overpotential of hydrogen evolution of zinc surface, reduce the gassing rate of battery, improve the leak resistance of battery.
0.5% the time, 70 ℃ of gassing rates of storing after 5 days of battery reduce 25.5% than originally when the addition of potassium fluoride; 60 ℃ of gassing rates of storing after 20 days reduce 16.7% than originally; The battery over-discharge gassing rate reduces 62.4% than originally.
Comparative examples 2
Do not add additive in alkaline electrolyte, the solubility that in electrolyte is the solubility sodium fluoride is 0wt%.
Embodiment 2
The soluble fluorinated sodium that is 0.1wt%, 0.5wt%, 2.0wt%, 5.0wt% with concentration adds in the electrolyte of alkaline battery, in cell integrated concentration of electrolyte.
With the internal resistance of battery Inner Resistance Tester in Virtual Instrument test battery, table 7 has shown and has added the potassium fluoride of different content in electrolyte to the impact of the internal resistance of cell.After adding soluble fluorinated sodium in electrolyte, the internal resistance of cell is the trend that first reduces rear increase, and 2.0% the time, the internal resistance of battery reduces 6.0% than originally when addition, and alkaline battery of the present invention has the little characteristics of internal resistance.
Table 7 adds the sodium fluoride of different content to the impact of the internal resistance of cell
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively and place the performance of 7 days under the performance newly make battery and 70 ℃, result is as described in table 8 and table 9:
Table 8 adds the new electrical property of the sodium fluoride battery of different content
Table 9 adds 70 ℃ of impacts of storing performance after 7 days of sodium fluoride battery of different content
Sodium fluoride add the electrical property that can improve battery, especially pulsed discharge performance, 2.0% the time, it is best that the performance of battery reaches when the addition of sodium fluoride; New electric 1.5W pulsed discharge connects to put to improve to 0.9V to 0.9V raising 3.2%, 1000mA pulsed discharge to 1.05V raising 12.7%, 1000mA puts between 1.4%, 10 Ω to 0.9V raising 3.4%; 70 ℃ of storages of battery are after 7 days, and the 1.5W pulsed discharge connects to put to improve to 0.9V to 0.9V raising 3.3%, 1000mA pulsed discharge to 1.05V raising 15.4%, 1000mA puts between 2.1%, 10 Ω to 0.9V raising 7.4%.
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively under the new electric high pressure section electrical property newly make battery and 70 ℃ and place the high pressure section electrical property of 7 days, result is as described in table 10 and table 11:
Table 10 adds the new electric high pressure section electrical property of the sodium fluoride battery of different content
70 ℃ of storages of sodium fluoride battery of table 11 interpolation different content high pressure section electrical property after 7 days
Discharge platform in the time of to improve the adding of sodium fluoride the discharge of battery high pressure section, when adding 2.0% sodium fluoride, new electric 1.5W pulsed discharge improves 10.3%, 1000mA to 1.20V even puts to 1.10V raising 10.6%, the 1000mA pulsed discharge improves to 1.10V puts between 4.2%, 10 Ω to 1.10V raising 3.2%; 70 ℃ of storages of battery are after 7 days, and the 1.5W pulsed discharge connects to put to improve to 1.10V to 1.10V raising 9.1%, 1000mA pulsed discharge to 1.20V raising 2.2%, 1000mA puts between 14.2%, 10 Ω to 1.10V raising 3.4%.
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively the gassing rate that newly makes battery, result is as described in Table 12:
Table 12 adds potassium fluoride to the impact of battery gassing rate
Add at alkaline battery and add sodium fluoride in electrolyte, can improve the overpotential of hydrogen evolution of zinc surface, reduce the gassing rate of battery, improve the leak resistance of battery.
2.0% the time, 70 ℃ of gassing rates of storing after 5 days of battery reduce 8.5% than originally when the addition of sodium fluoride; 60 ℃ of gassing rates of storing after 20 days reduce 6.3% than originally; The battery over-discharge gassing rate reduces 53.8% than originally.
Comparative examples 3
Not doping in the positive pole of alkaline battery, namely in positive pole, the solubility of soluble fluorinated potassium is 0wt%.
Embodiment 3
The soluble fluorinated potassium that is 0.1wt%, 0.5wt%, 2.0wt%, 5.0wt% with concentration adds in the positive pole of alkaline battery, in the total weight of anode.
With the internal resistance of battery Inner Resistance Tester in Virtual Instrument test battery, table 13 has shown and has added the potassium fluoride of different content in electrolyte to the impact of the internal resistance of cell.After adding soluble fluorinated potassium in electrolyte, the internal resistance of cell is the trend that first reduces rear increase, and 1.5% the time, the internal resistance of battery reduces 11.4% than originally when addition, and alkaline battery of the present invention has the little characteristics of internal resistance.
Table 13 adds the potassium fluoride of different content to the impact of the internal resistance of cell
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively and place the performance of 7 days under the performance newly make battery and 70 ℃, result is as described in table 14 and table 15:
Table 14 adds the new electrical property of the potassium fluoride battery of different content
Table 15 adds 70 ℃ of impacts of storing performance after 7 days of potassium fluoride battery of different content
Potassium fluoride add the electrical property that can improve battery, especially pulsed discharge performance, 1.5% the time, it is best that the performance of battery reaches when the addition of potassium fluoride; New electric 1.5W pulsed discharge connects to put to improve to 0.9V to 0.9V raising 5.3%, 1000mA pulsed discharge to 1.05V raising 17.0%, 1000mA puts between 6.6%, 10 Ω to 0.9V raising 6.3%; 70 ℃ of storages of battery are after 7 days, and the 1.5W pulsed discharge connects to put to improve to 0.9V to 0.9V raising 5.5%, 1000mA pulsed discharge to 1.05V raising 28.3%, 1000mA puts between 7.6%, 10 Ω to 0.9V raising 11.9%.
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively under the new electric high pressure section electrical property newly make battery and 70 ℃ and place the high pressure section electrical property of 7 days, result is as described in table 16 and table 17:
Table 16 adds the new electric high pressure section electrical property of the potassium fluoride battery of different content
70 ℃ of storages of potassium fluoride battery of table 17 interpolation different content high pressure section electrical property after 7 days
Discharge platform in the time of to improve the adding of potassium fluoride the discharge of battery high pressure section, when adding 1.5% potassium fluoride, new electric 1.5W pulsed discharge improves 18.2%, 1000mA to 1.20V even puts to 1.10V raising 14.6%, the 1000mA pulsed discharge improves to 1.10V puts between 10.4%, 10 Ω to 1.10V raising 7.1%; 70 ℃ of storages of battery are after 7 days, and the 1.5W pulsed discharge connects to put to improve to 1.10V to 1.10V raising 15.2%, 1000mA pulsed discharge to 1.20V raising 6.4%, 1000mA puts between 17.6%, 10 Ω to 1.10V raising 7.1%.
Measure the electrical property of this electrode with DM2000 battery intelligent automatic checkout system, measure respectively the gassing rate that newly makes battery, result is as described in Table 18:
Table 18 adds potassium fluoride to the impact of battery gassing rate
Add potassium fluoride in alkaline cell anode, can improve the overpotential of hydrogen evolution of zinc surface, reduce the gassing rate of battery, improve the leak resistance of battery.
1.5% the time, 70 ℃ of gassing rates of storing after 5 days of battery reduce 26.9% than originally when the addition of potassium fluoride; 60 ℃ of gassing rates of storing after 20 days reduce 27.3% than originally; The battery over-discharge gassing rate reduces 64.2% than originally.
Claims (2)
1. an alkaline battery additive agent, is characterized in that, described additive is the metal fluoride of solubility, contains the 0.01-5wt% additive in anode, negative pole or electrolyte, respectively in the total weight of anode, negative pole or electrolyte.
2. alkaline battery additive agent according to claim 1, is characterized in that, the metal fluoride of described solubility is potassium fluoride or sodium fluoride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105861686A CN103151527A (en) | 2012-12-28 | 2012-12-28 | Alkaline battery additive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105861686A CN103151527A (en) | 2012-12-28 | 2012-12-28 | Alkaline battery additive |
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| CN103151527A true CN103151527A (en) | 2013-06-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730629A (en) * | 2013-12-21 | 2014-04-16 | 山东圣阳电源股份有限公司 | Formula of addition agent for inhibiting storage battery positive plate from losing efficacy and preparation method of addition agent |
| CN109786875A (en) * | 2019-01-23 | 2019-05-21 | 曹怡珺 | A kind of chemical synthesizing method improving lithium ion battery standing time |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020192547A1 (en) * | 2001-03-15 | 2002-12-19 | Jeffrey Phillips | Alkaline cells having positive nickel hydroxide electrodes with fluoride salt additives |
| CN101826638A (en) * | 2009-03-05 | 2010-09-08 | 深圳市倍特力电池有限公司 | Cylindrical nickel-zinc cell and fabrication process thereof |
| CN102044713A (en) * | 2010-11-19 | 2011-05-04 | 昆明理工大学 | Method for reducing solubility of discharging product of zinc electrode |
-
2012
- 2012-12-28 CN CN2012105861686A patent/CN103151527A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020192547A1 (en) * | 2001-03-15 | 2002-12-19 | Jeffrey Phillips | Alkaline cells having positive nickel hydroxide electrodes with fluoride salt additives |
| CN101826638A (en) * | 2009-03-05 | 2010-09-08 | 深圳市倍特力电池有限公司 | Cylindrical nickel-zinc cell and fabrication process thereof |
| CN102044713A (en) * | 2010-11-19 | 2011-05-04 | 昆明理工大学 | Method for reducing solubility of discharging product of zinc electrode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730629A (en) * | 2013-12-21 | 2014-04-16 | 山东圣阳电源股份有限公司 | Formula of addition agent for inhibiting storage battery positive plate from losing efficacy and preparation method of addition agent |
| CN103730629B (en) * | 2013-12-21 | 2017-04-26 | 山东圣阳电源股份有限公司 | Formula of addition agent for inhibiting storage battery positive plate from losing efficacy and preparation method of addition agent |
| CN109786875A (en) * | 2019-01-23 | 2019-05-21 | 曹怡珺 | A kind of chemical synthesizing method improving lithium ion battery standing time |
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Application publication date: 20130612 |