CN102800899B - A kind of preparation method of electrolyte of nickel hydrogen battery - Google Patents
A kind of preparation method of electrolyte of nickel hydrogen battery Download PDFInfo
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- CN102800899B CN102800899B CN201210315866.2A CN201210315866A CN102800899B CN 102800899 B CN102800899 B CN 102800899B CN 201210315866 A CN201210315866 A CN 201210315866A CN 102800899 B CN102800899 B CN 102800899B
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- electrolyte
- battery
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- electrolysis additive
- alkaline solution
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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 discloses the preparation method of the electrolyte of Ni-MH battery, the component proportion of its alkaline solution is: is 23: 12: 0.5 1: 0.3 0.6 potassium hydroxide, NaOH, lithium hydroxide by mass ratio and can make Mn2+Reach saturated MnSO4The mixture of three, under conditions of 40 50 DEG C and stirring, is dissolved by aqueous solvent, is made into the solution that molality is 8 10mol/L；Its electrolysis additive is: lithium nitrate, sodium formate, ethylene glycol, nickel nitrate.Trying out through battery producer, compared with other Ni-MH battery electrolyte on market, uses the discharge capability of the ni-mh of the electrolyte of the present invention to be greatly improved, and service life is effectively extended.
Description
Technical field
The present invention relates to the preparation method of a kind of battery electrolyte, particularly relate to a kind of Ni-MH battery electrolyte and prepare
Method.
Background technology
Ni-MH battery can be used for military affairs, Aero-Space, navigation, oil, coal, geological prospecting and operation, ice
Go up and the mountain-climbing field such as sports items, antarctic investigation.At present, Ni-MH battery manufactured by existing industry, used
Electrolyte is mainly the mixing electrolysis of potassium hydroxide aqueous solution or potassium hydroxide, NaOH and lithium hydroxide
Liquid.Research is thought: electrolyte is very big on battery performance impact, and this is owing to bath composition and concentration are led with it
Electrically and electrode reaction is closely related, the electric conductivity of electrolyte and the invertibity of electrode reaction directly affect electricity
Tank discharge capacity and mean voltage.Therefore, the electrolyte of Ni-MH battery for the discharge capability of Ni-MH battery and makes
With the life-span etc., there is vital effect.
Content of the invention
It is an object of the invention to provide the preparation method of the electrolyte of a kind of Ni-MH battery, use the method to prepare
The Ni-MH battery of electrolyte has that discharge capability is strong, the advantage of length in service life.
To achieve these goals, the preparation method of the electrolyte of the Ni-MH battery that the present invention provides includes walking as follows
Rapid:
Step 1, prepares alkaline solution:
Mass ratio is 2-3: 1-2: 0.5-1: 0.3-0.6 potassium hydroxide, NaOH, lithium hydroxide and
Mn can be made2+Reach saturated MnSO4Mixture, 40-50 DEG C and stirring under conditions of, use aqueous solvent
Dissolve, be made into Mn2+Molar concentration is the solution of 8-10mol/L；
Step 2, preparation electrolysis additive:
Electrolysis additive is by following mass ratio:
Alkaline solution and electrolysis additive are mixed by step 3, prepare Ni-MH battery electrolyte:
Under conditions of 40-50 DEG C and stirring, by the electrolysis additive of 1-1.5% that mass ratio is alkaline solution
Join in the aqueous slkali that the first step is prepared, dissolve, continue stirring 5-10 minute, i.e. prepare Ni-MH battery
Electrolyte.
Wherein, described aqueous solvent is redistilled water or deionized water.
Wherein, described carboxylic acid sodium is sodium formate or sodium acetate.
Wherein, described polyalcohol is dihydroxylic alcohols and/or trihydroxylic alcohol.
Wherein, described dihydroxylic alcohols is ethylene glycol and/or propane diols.
Wherein, described trihydroxylic alcohol is glycerine.
Using Ni-MH battery electrolyte prepared by the manufacture method of the present invention, trying out through battery producer, with market
On other electrolyte compare, discharge capability is greatly improved, and service life is effectively extended.
Detailed description of the invention
Embodiment one
Prepare alkaline solution
It is 2: 1: 0.5:0.3 potassium hydroxide, NaOH, lithium hydroxide by mass ratio and Mn can be made2+Reach
To saturated MnSO4The mixture of three, is dissolved in redistilled water and deionized water in glass container,
It is then placed in heating stirring container, at a temperature of 40 DEG C, with the speed of 1000 revs/min, stir 5 minutes,
It is made into Mn2+Molar concentration is the solution of 8mol/L.
Prepare electrolysis additive
Electrolysis additive is by following mass ratio:
Four kinds of materials of above-mentioned mass parts are sufficiently mixed.
Alkaline solution and electrolysis additive are mixed, prepares Ni-MH battery electrolyte
By mixed electrolysis additive, add in the alkaline solution to above-mentioned heating stirring container, its matter
Amount ratio is the 1% of alkaline solution, dissolves, and continues in stirring 5 points under the mixing speed of 40 DEG C and 1000 turns
Clock, i.e. prepares Ni-MH battery electrolyte.
Embodiment two
Prepare alkaline solution
It is 3: 2: 1:0.6 potassium hydroxide, NaOH, lithium hydroxide by mass ratio and Mn can be made2+Reach
To saturated MnSO4The mixture of three, is dissolved in redistilled water and deionized water in glass container,
It is then placed in heating stirring container, at a temperature of 50 DEG C, with the speed of 1500 revs/min, stir 10 minutes,
It is made into2+Molar concentration is the solution of 10mol/L.
Prepare electrolysis additive
Electrolysis additive is by following proportion by weight:
Four kinds of materials of above-mentioned mass parts are sufficiently mixed.
Alkaline solution and electrolysis additive are mixed, prepares Ni-MH battery electrolyte
By mixed electrolysis additive, add in the alkaline solution to above-mentioned heating stirring container, its matter
Amount ratio is the 1.5% of alkaline solution, dissolves, and continues in stirring 10 under the mixing speed of 50 DEG C and 1500 turns
Minute, i.e. prepare Ni-MH battery electrolyte.
Electrolyte that embodiment 1 and 2 prepares and general electrolytic liquid (comparative example) are for the property of Ni-MH battery
Can detect as follows:
| General electrolytic liquid | Embodiment 1 | Embodiment 2 | |
| Normal temperature charge/discharge capacity | 1500mAh | 1600mAh | 1650mAh |
| Service life | 2-3 | 3-4 | 3-4 |
Being described in detail the specific embodiment of the present invention above, but it being intended only as example, the present invention is simultaneously
It is not restricted to particular embodiments described above.To those skilled in the art, any the present invention is carried out
Equivalent modifications and replacement also all among scope of the invention.Therefore, without departing from the spirit of the present invention and model
Enclose lower made impartial conversion and modification, all should cover within the scope of the invention.
Claims (3)
1. the preparation method of the electrolyte of a Ni-MH battery, it is characterised in that comprise the steps:
Step 1, prepares alkaline solution:
It is 3: 2: 1:0.6 potassium hydroxide, NaOH, lithium hydroxide by mass ratio and Mn can be made2+Reach
To saturated MnSO4Mixture, 50 DEG C and stirring under conditions of, with aqueous solvent dissolve, be made into Mn2+
Molar concentration is the solution of 10mol/L；
Step 2, preparation electrolysis additive:
Electrolysis additive is by following mass ratio:
Alkaline solution and electrolysis additive are mixed by step 3, prepare Ni-MH battery electrolyte:
Under conditions of 40-50 DEG C and stirring, by the electrolysis additive of 1-1.5% that mass ratio is alkaline solution
Join in the aqueous slkali that the first step is prepared, dissolve, continue stirring 5-10 minute, i.e. prepare Ni-MH battery
Electrolyte.
2. a preparation method for Ni-MH battery electrolyte as claimed in claim 1, wherein, described aqueous solvent is
Redistilled water or deionized water.
3. a preparation method for Ni-MH battery electrolyte as claimed in claim 1, wherein, described carboxylic acid sodium is
Sodium formate or sodium acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315866.2A CN102800899B (en) | 2012-08-30 | 2012-08-30 | A kind of preparation method of electrolyte of nickel hydrogen battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315866.2A CN102800899B (en) | 2012-08-30 | 2012-08-30 | A kind of preparation method of electrolyte of nickel hydrogen battery |
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| Publication Number | Publication Date |
|---|---|
| CN102800899A CN102800899A (en) | 2012-11-28 |
| CN102800899B true CN102800899B (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210315866.2A Expired - Fee Related CN102800899B (en) | 2012-08-30 | 2012-08-30 | A kind of preparation method of electrolyte of nickel hydrogen battery |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369672A (en) * | 2008-10-07 | 2009-02-18 | 湖南科力远新能源股份有限公司 | Special electrolytic solution for alkaline nickel-hydrogen battery |
| CN101871060A (en) * | 2010-06-21 | 2010-10-27 | 桂林电子科技大学 | Nickel-hydrogen battery negative electrode hydrogen storage material capable of being used at low temperature and matched electrolytic solution thereof |
| CN101924253A (en) * | 2009-06-15 | 2010-12-22 | 浙江师范大学 | Electrolyte additive of novel nickel-metal hydride secondary battery |
-
2012
- 2012-08-30 CN CN201210315866.2A patent/CN102800899B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369672A (en) * | 2008-10-07 | 2009-02-18 | 湖南科力远新能源股份有限公司 | Special electrolytic solution for alkaline nickel-hydrogen battery |
| CN101924253A (en) * | 2009-06-15 | 2010-12-22 | 浙江师范大学 | Electrolyte additive of novel nickel-metal hydride secondary battery |
| CN101871060A (en) * | 2010-06-21 | 2010-10-27 | 桂林电子科技大学 | Nickel-hydrogen battery negative electrode hydrogen storage material capable of being used at low temperature and matched electrolytic solution thereof |
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| Publication number | Publication date |
|---|---|
| CN102800899A (en) | 2012-11-28 |
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Inventor after: Lu Hongxian Inventor before: Jiang Bo |
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Effective date of registration: 20171218 Address after: 535000 the Guangxi Zhuang Autonomous Region, Qinzhou, Qinnan District Building Street, No. 9 Patentee after: Qinzhou Industry Research Institute Address before: 201203 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 351 Building No. 2 room 662-16 Patentee before: Shanghai Jinzhong Information Technology Co., Ltd. |
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