CN103311516B - A kind of alkaline battery antioxidant and use the alkaline battery of this antioxidant - Google Patents
A kind of alkaline battery antioxidant and use the alkaline battery of this antioxidant Download PDFInfo
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- CN103311516B CN103311516B CN201310272023.3A CN201310272023A CN103311516B CN 103311516 B CN103311516 B CN 103311516B CN 201310272023 A CN201310272023 A CN 201310272023A CN 103311516 B CN103311516 B CN 103311516B
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- antioxidant
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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 invention discloses a kind of alkaline battery antioxidant, described antioxidant includes inorganic anion and cation；Described inorganic anion includes one or more of inorganic elements S, C, N, B, Cl, O, H, wherein based on boric acid hydrogen radical, tetrahydro boron acid group；Described cation includes one or more of metallic element K, Na, Mg, Ca, Al, Li.Described antioxidant is added in the alkaline zinc series of one or more based on KOH, NaOH and LiOH, nickel series, manganese dioxide, air or oxygen series battery, and the ion concentration adding described antioxidant is 100～20000ppm.Battery containing antioxidant of the present invention can effectively stop in positive pole the conductive materials such as cobalt class to generate material virulent to battery performance with oxygen after adding alkaline electrolyte.
Description
Technical field
The present invention relates to a kind of antioxidant, particularly relate to a kind of antioxidant for alkaline battery and use this antioxidant
Alkaline battery.
Background technology
Along with the market demand, life easily change and demand, what green energy resource was the most weary applies in life, wherein with
Nickel, zinc, manganese dioxide, air (oxygen) etc. are main series battery, and its power, energy efficiency require more and more higher.For
Reach the demand that power guides, current all batteries or material manufacturer, all can select to add or doping is based on cobalt class
Conductive materials, reduces the contact internal resistance between active substance, increases its electric conductivity, but after alkaline electrolyte adds, cobalt class thing
Matter and O2Reacting, generate irreversible product and be attached on barrier film medium, form conductive channel, this type of product can serious shadow
Ring the capacity of battery, voltage keeps, and life-span and performance to battery cause imponderable damage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of antioxidant for alkaline battery and uses the alkalescence of this antioxidant
Battery, can effectively stop in positive pole the conductive materials such as cobalt class to generate with oxygen after adding alkaline electrolyte has battery performance
The material poisoned.
A kind of alkaline battery antioxidant, including inorganic anion and cation；Described inorganic anion include inorganic elements S,
One or more of C, N, B, Cl, O, H, wherein based on boric acid hydrogen radical, tetrahydro boron acid group；Described cation includes
One or more of metallic element K, Na, Mg, Ca, Al, Li.
Alkaline battery antioxidant of the present invention, wherein said antioxidant is added on KOH, NaOH and LiOH
One or more be in main alkaline zinc series, nickel series, manganese dioxide, air or oxygen series battery, add described resisting
The ion concentration of oxidant is 100～20000ppm.
Alkaline battery antioxidant of the present invention, wherein add the ion concentration of described antioxidant be 1000～
2000ppm。
Alkaline battery antioxidant of the present invention, wherein said antioxidant is with solid or aqueous solution or the shape of solid-liquid
Formula is added in battery positive electrode active material.
Alkaline battery antioxidant of the present invention, wherein said antioxidant is with solid or aqueous solution or the shape of solid-liquid
Formula is added in battery cathode active substance.
Alkaline battery antioxidant of the present invention, wherein said antioxidant is with solid or aqueous solution or the shape of solid-liquid
Formula is added in the electrolyte of battery.
Use the alkaline battery of alkaline battery antioxidant of the present invention.
Alkaline battery antioxidant difference from prior art of the present invention is: containing the battery of antioxidant of the present invention
The conductive materials such as cobalt class can be effectively stoped in positive pole to generate virulent to battery performance with oxygen after adding alkaline electrolyte
Material；In alkaline battery of the present invention, the addition of antioxidant is 100～20000ppm, preferably 1000-2000ppm, from
Less than 100ppm, this does not has antioxidative effect to sub-concentration, it is impossible to prevent the generation of battery nuisance, if more than 20000ppm
Then inside battery conductive component reduces, and easily produces the drum end, the problem of leakage；Described antioxidant is with solid or aqueous solution or two
The form that person coexists is added in the positive active material of battery, negative electrode active material or electrolyte, so, is adding alkaline electro
When solving liquid, non-oxidizability anion has played its antioxidative function, and in positive active material, the conductive material such as cobalt can not be timely
It is combined with oxygen, prevents from generating product virulent to battery performance.
Below in conjunction with the accompanying drawings to the alkaline battery antioxidant of the present invention and use the battery of described antioxidant to make furtherly
Bright.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the battery using described antioxidant under one embodiment of the present invention.
Detailed description of the invention
Hereinafter the alkaline battery of the present invention is illustrated, containing this in positive pole, negative pole or electrolyte in the alkaline battery of the present invention
Invent described antioxidant, identical with conventional alkaline battery in addition.
As it is shown in figure 1, the battery containing antioxidant of the present invention include the most successively negative electrode casing 4, negative plate 1, every
Film 2 and positive plate 3, negative pole end includes negative lug 5, and positive terminal includes positive pole ear 6, insulated enclosure circle the most successively
7, relief valve 9 and positive terminal 8.
Embodiment 1
The normal process of cylinder alkalescence SC battery routinely, adds the solid containing 5000ppm in battery positive electrode active material
Antioxidant, described antioxidant is boric acid hydrogen sodium, sodium borohydride and the mixture of boric acid potassium dihydrogen, rubbing between three kinds of compositions
Your ratio is 1:1:1, presented in solid or solid-liquid in positive active material, carries out closing slurry, slurry, film-making,
Other negative poles and assembling, chemical synthesis technology are by being normally carried out, and battery profile is as shown in Figure 1.Carry out contrast and add positive pole cobalt class after alkali
Etc. situation of change before and after the precipitation situation (cobalt class thing shows area ratio on barrier film) of conducting objects and voltage.
Battery is added after electrolyte by normal process, carries out following three kinds of process: (1) not spot welding block, carries out uncovered shelving
1h、2h；(2) spot welding block, is not melted into after sealing and shelves 8h, 16h；(3) normal sealing, chemical conversion, partial volume, without
45 DEG C of high temperature of electricity are shelved 7 days, the precipitation situation (cobalt class thing shows area ratio on barrier film) of the detection conducting objects such as positive pole cobalt class and
Situation of change before and after voltage.Testing result is shown in Tables 1 and 2 respectively.
Embodiment 2
The normal process of cylinder alkalescence SC battery routinely, adds the solid containing 1000ppm in battery cathode active substance
Antioxidant, described antioxidant is boric acid hydrogen sodium, potassium borohydride, magnesium sulfate and the mixture of boric acid potassium dihydrogen, four kinds of materials
Between mol ratio be 1:1:2:2, presented in solid or solid-liquid in negative electrode active material, other with implement
Example 1, testing result is shown in Tables 1 and 2 respectively.
Embodiment 3
The normal process of cylinder alkalescence SC battery routinely, adds the antioxidation containing 2000ppm in battery alkaline electrolyte
Agent aqueous solution, described antioxidant is boric acid hydrogen sodium, sodium borohydride, magnesium chloride and the mixture of boric acid potassium dihydrogen, four kinds of materials
Between mol ratio be 2:2:1:1, be present in as an aqueous solution in electrolyte, the other the same as in Example 1, testing result is divided
Do not see Tables 1 and 2.
Embodiment 4
The normal process of cylinder alkalescence SC battery routinely, adds the solid containing 100ppm in battery positive electrode active material and resists
Oxidant, described antioxidant is ammonium hydrogen carbonate, calcium chloride, lithium borohydride and the mixture of boric acid potassium dihydrogen, four kinds of materials it
Between mol ratio be 1:1:1:1, presented in solid or solid-liquid in positive active material, other same embodiment
1, testing result is shown in Tables 1 and 2 respectively.
Embodiment 5
The normal process of cylinder alkalescence SC battery routinely, adds the antioxygen containing 20000ppm in battery cathode active substance
Agent, described antioxidant is the mixed of boric acid hydrogen sodium, boric acid hydrogen lithium, potassium borohydride, magnesium sulfate, aluminum chloride and boric acid potassium dihydrogen
Compound, the mol ratio between six kinds of materials is 2:2:2:5:3:1, is present in as an aqueous solution in electrolyte, and other is same
Embodiment 1, testing result is shown in Tables 1 and 2 respectively.
Comparative example 1
In the battery without antioxidant of the present invention, the other the same as in Example 1, testing result is shown in Tables 1 and 2 respectively.
In each embodiment of table 1, the precipitation situation-cobalt class thing of the conducting objects such as anode cobalt class shows area ratio on barrier film
In each embodiment of table 2, cell voltage keeps the voltage down ratio of situation-front and back
Result shows, by the present invention, adds non-oxidizability anion in positive pole, negative pole or the electrolyte in alkaline battery,
Can effectively stop the raw virulent product of battery pair of the electric conductivity things such as cobalt class, thus ensure that the voltage of battery, capacity are by normally
Regular decline, decay, it is ensured that the cyclicity of battery.
Embodiment described above is only to be described the preferred embodiment of the present invention, not carries out the scope of the present invention
Limiting, on the premise of designing spirit without departing from the present invention, technical scheme is made by those of ordinary skill in the art
Various deformation and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (7)
1. an alkaline battery antioxidant, it is characterised in that: described antioxidant includes inorganic anion
And cation；Described inorganic anion includes the one of inorganic elements S, C, N, B, Cl, O, H or several
Kind, wherein based on boric acid hydrogen radical and tetrahydro boron acid group；Described cation include metallic element K, Na, Mg,
One or more of Ca, Al, Li.
Alkaline battery antioxidant the most according to claim 1, it is characterised in that: described antioxidation
Agent be added on the alkaline zinc series of one or more based on KOH, NaOH and LiOH, nickel series,
In manganese dioxide, air or oxygen series battery, add the ion concentration of described antioxidant be 100～
20000ppm。
Alkaline battery antioxidant the most according to claim 2, it is characterised in that: add described anti-
The ion concentration of oxidant is 1000～2000ppm.
4. according to the alkaline battery antioxidant described in Claims 2 or 3, it is characterised in that: described anti-
Oxidant is added in battery positive electrode active material with the form of solid or aqueous solution or solid-liquid.
5. according to the alkaline battery antioxidant described in Claims 2 or 3, it is characterised in that: described anti-
Oxidant is added in battery cathode active substance with the form of solid or aqueous solution or solid-liquid.
6. according to the alkaline battery antioxidant described in Claims 2 or 3, it is characterised in that: described anti-
Oxidant is added in the electrolyte of battery with the form of solid or aqueous solution or solid-liquid.
7. use the alkaline battery of the arbitrary described alkaline battery antioxidant of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310272023.3A CN103311516B (en) | 2013-07-02 | 2013-07-02 | A kind of alkaline battery antioxidant and use the alkaline battery of this antioxidant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310272023.3A CN103311516B (en) | 2013-07-02 | 2013-07-02 | A kind of alkaline battery antioxidant and use the alkaline battery of this antioxidant |
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| CN103311516A CN103311516A (en) | 2013-09-18 |
| CN103311516B true CN103311516B (en) | 2016-08-10 |
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| CN109244602B (en) * | 2018-08-27 | 2020-08-04 | 中国科学院大学 | Method for modifying lithium air battery electrolyte |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1985389A (en) * | 2004-04-23 | 2007-06-20 | 双向电池公司 | Nickel metal hydride battery design |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1985389A (en) * | 2004-04-23 | 2007-06-20 | 双向电池公司 | Nickel metal hydride battery design |
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