CN107221703A - Manufacturing process of electrolyte for emergency power supply equipment - Google Patents
Manufacturing process of electrolyte for emergency power supply equipment Download PDFInfo
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- CN107221703A CN107221703A CN201710402984.XA CN201710402984A CN107221703A CN 107221703 A CN107221703 A CN 107221703A CN 201710402984 A CN201710402984 A CN 201710402984A CN 107221703 A CN107221703 A CN 107221703A
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- electrolyte
- emergency power
- power plant
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000012452 mother liquor Substances 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 238000002425 crystallisation Methods 0.000 claims description 12
- 230000008025 crystallization Effects 0.000 claims description 12
- 150000002148 esters Chemical class 0.000 claims description 10
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 claims description 5
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 5
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical compound CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 229910000103 lithium hydride Inorganic materials 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 claims description 3
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 3
- WVRIJHGUJNXDRZ-UHFFFAOYSA-N ethane-1,1-diamine Chemical class CC(N)N WVRIJHGUJNXDRZ-UHFFFAOYSA-N 0.000 claims description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 150000004862 dioxolanes Chemical class 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 methyl ethyl Chemical group 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
- H01M6/162—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte
- H01M6/166—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solute
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a manufacturing process of electrolyte for emergency power supply equipment, which comprises the following steps: a. drying the lithium iodide salt with the crystallized water in a vacuum environment; b. adding the dried lithium iodide salt into an organic solvent, and uniformly stirring to obtain electrolyte mother liquor; c. adding the electrolyte mother liquor into an electrolytic cell, and electrolyzing for 5-8h by adopting constant current to obtain a crude electrolyte I; d. adding a stabilizer into the crude electrolyte I, and reacting for 8-10h at 40-60 ℃ to obtain a crude electrolyte II; e. and adding a water removing agent into the crude electrolyte II, stirring for 1-2h, and filtering to obtain an electrolyte finished product. The electrolyte has the advantages of simple preparation process, easily controlled reaction conditions, low production cost, stable concentration performance of the electrolyte, stable viscosity, capability of effectively reducing the internal resistance of the battery, wide use temperature range and easiness in large-scale industrial production.
Description
Technical field
The invention belongs to technical field of electrolyte, and in particular to a kind of making work of electrolyte for emergency power plant
Skill.
Background technology
Electrolyte is the important component of battery, and it is that the ion that conduction is played between battery positive and negative electrode is led
Body, the performance of itself and its state of interface formed with both positive and negative polarity largely influence the performance of battery.Excellent battery
Nonaqueous electrolytic solution should possess some following requirement：(1) chemical stability is good, with the both positive and negative polarity active material and collector in battery
(general with aluminium foil and copper foil) does not chemically react；(2) electrochemical stability window is wide；(3) ionic conductivity is high, electronic conductance
Rate is low；(4) temperature range is properly that boiling point is high, and fusing point is low；(5) safety and low toxicity, non-environmental-pollution.
The preparation method of usual lithium iodide electrolyte is that the anhydrous lithium iodide salt of proper content is directly dissolved in and necessarily rubbed
What the in the mixed solvent of your proportioning was obtained.In this process, the preparation of anhydrous lithium iodide is one extremely difficult and very high
Expensive process.Lithium iodide in the drying process, can remove the most crystallization water at 150 DEG C or so, but remaining crystallization water
It is not easy to remove in the case of temperature is greatly improved, this is due to that lithium iodide can decompose at higher than 150 DEG C.For
Suppress lithium iodide decomposition at high temperature and prepare anhydrous lithium iodide, common technology is the gas such as logical HI when lithium iodide is dried
Body come suppress decompose.Thus the anhydrous lithium iodide process that is obtained by this technology is complicated, yield poorly, it is expensive the shortcomings of.
The nonaqueous electrolyte for battery easily viscosity increase in transport and storage, and battery is produced with storage time
Extension, internal resistance also constantly increases, especially when dioxolanes ratio is higher, electrolyte viscosity B coefficent and to the internal resistance of cell
Influence aggravation.The main cause for causing this phenomenon is that in storage and transport process, dioxolanes equal solvent slowly polymerize, and acyclic acidic
The presence in border, hot environment and metal cation can accelerate polymerisation.Therefore any viscosity for stablizing its nonaqueous electrolytic solution
It is the problem of needing to solve.
In summary, it is therefore desirable to a kind of more preferable electrolyte manufacture craft, to improve the deficiencies in the prior art.
The content of the invention
It is an object of the invention to provide a kind of manufacture craft of the electrolyte for emergency power plant, electrolysis of the invention
Liquid Making programme is simple, reaction condition is easily controllable, low production cost, and concentration of electrolyte performance is stable, temperature in use scope
It is wide, it is easy to mass industrialized production.
The invention provides following technical scheme：
A kind of manufacture craft of electrolyte for emergency power plant, comprises the following steps：
A, the lithium iodide salt with the crystallization water is put and dried under vacuum conditions, drying temperature is 80-100 DEG C；
B, the dried lithium iodide salts of step a are added in organic solvent stirred, mixing speed is 40-60r/min, is obtained
To electrolyte mother liquor；
C, electrolyte mother liquor is added in electrolytic cell, 5-8h is electrolysed using constant current, thick electrolyte one is obtained；
D, into thick electrolyte one stabilizer is added, react 8-10h at 40-60 DEG C, obtain thick electrolyte two；
E, add deicer into thick electrolyte two, stir 1-2h, electrolyte finished product is can obtain after filtering.
It is preferred that, the step a is less than under 1ppm vacuum environment in dew point less than -10 DEG C, oxygen content to be dried, and is conducive to
Accelerate the rate of drying of the lithium iodide salt with the crystallization water, and improve dry purity, reduce the generation of impurity in drying process.
It is preferred that, the step b organic solvents are made up of carbonic ester and ether, and the composition is with low cost, and reaction condition compared with
To be simple, it is easy to control.
It is preferred that, the carbonic ester is by ethylene carbonate, propene carbonate, dimethyl carbonate, diethyl carbonate and carbonic acid
Any three kinds or more is combined in methyl ethyl ester, and the ether is by ethylene glycol diethyl ether, diethylene glycol dimethyl ether and tetrem
Glycol dimethyl ether is constituted, and above composition is with low cost, easily prepared.
It is preferred that, the environment temperature during step c electrolysis is controlled at 5-10 DEG C, and reaction is advantageously reduced at this temperature
Severe degree, prevents from reacting the danger acutely brought.
It is preferred that, the stabilizer of the step d is ethylene glycol, tartaric acid or tetraacethyl diaminoethanes, the composition cost
Cheap, material source is extensive and easily prepared.
It is preferred that, the step e deicers are lithium hydride or tetrahydrochysene lithium aluminium, and the composition is with low cost, and material source is extensive,
Water removal effect is more good.
It is preferred that, the step e removes water to water content in below 8ppm, is conducive to improving the matter of obtained electrolyte
Amount, so as to extend the service life of electrolyte.
The beneficial effects of the invention are as follows：
The step a of the present invention is less than under 1ppm vacuum environment in dew point less than -10 DEG C, oxygen content to be dried, and is conducive to accelerating band
The rate of drying of the lithium iodide salt of the crystallization water, and dry purity is improved, reduce the generation of impurity in drying process.
Environment temperature during the step c electrolysis of the present invention is controlled at 5-10 DEG C, is advantageously reduced the severe degree of reaction, is prevented
Only react the danger acutely brought.
The step e of the present invention removes water to water content in below 8ppm, is conducive to improving the quality of obtained electrolyte, so that
Extend the service life of electrolyte.
Electrolyte Making programme of the invention is simple, reaction condition is easily controllable, low production cost, concentration of electrolyte
Can be stable, viscosity stabilization and the internal resistance of cell can be effectively reduced, temperature in use scope is wide, it is easy to mass industrialized production.
Embodiment
Embodiment 1
A kind of manufacture craft of electrolyte for emergency power plant, comprises the following steps：
A, the lithium iodide salt with the crystallization water is put and dried under vacuum conditions, drying temperature is 100 DEG C；
B, the dried lithium iodide salts of step a are added in organic solvent stirred, mixing speed is 60r/min, is obtained
Electrolyte mother liquor；
C, electrolyte mother liquor is added in electrolytic cell, 8h is electrolysed using constant current, thick electrolyte one is obtained；
D, into thick electrolyte one stabilizer is added, react 10h at 46 DEG C, obtain thick electrolyte two；
E, add deicer into thick electrolyte two, stir 1h, electrolyte finished product is can obtain after filtering.
Step a is less than under 1ppm vacuum environment in dew point less than -10 DEG C, oxygen content to be dried, and is conducive to accelerating band crystallization
The rate of drying of the lithium iodide salt of water, and dry purity is improved, reduce the generation of impurity in drying process.
Step b organic solvents are made up of carbonic ester and ether, and the composition is with low cost, and reaction condition is relatively simple, it is easy to
Control.
Carbonic ester combined by ethylene carbonate, propene carbonate, dimethyl carbonate, diethyl carbonate and methyl ethyl carbonate and
Into ether is made up of ethylene glycol diethyl ether, diethylene glycol dimethyl ether and tetraethyleneglycol dimethyl ether, and above composition is with low cost, be easy to
Prepare.
Environment temperature when step c is electrolysed is controlled at 10 DEG C, and the severe degree of reaction is advantageously reduced at this temperature, is prevented
React the danger acutely brought.
Step d stabilizer is ethylene glycol, and the composition is with low cost, and material source is extensive and easily prepared.
Step e deicers are tetrahydrochysene lithium aluminium, and the composition is with low cost, and extensively, water removal effect is more good for material source.
Step e removes water to water content in below 8ppm, is conducive to improving the quality of obtained electrolyte, so as to extend
The service life of electrolyte.
Embodiment 2
A kind of manufacture craft of electrolyte for emergency power plant, comprises the following steps：
A, the lithium iodide salt with the crystallization water is put and dried under vacuum conditions, drying temperature is 100 DEG C；
B, the dried lithium iodide salts of step a are added in organic solvent stirred, mixing speed is 60r/min, is obtained
Electrolyte mother liquor；
C, electrolyte mother liquor is added in electrolytic cell, 5h is electrolysed using constant current, thick electrolyte one is obtained；
D, into thick electrolyte one stabilizer is added, react 8h at 40 DEG C, obtain thick electrolyte two；
E, add deicer into thick electrolyte two, stir 1h, electrolyte finished product is can obtain after filtering.
Step a is less than under 1ppm vacuum environment in dew point less than -10 DEG C, oxygen content to be dried, and is conducive to accelerating band crystallization
The rate of drying of the lithium iodide salt of water, and dry purity is improved, reduce the generation of impurity in drying process.
Step b organic solvents are made up of carbonic ester and ether, and the composition is with low cost, and reaction condition is relatively simple, it is easy to
Control.
Carbonic ester is combined by ethylene carbonate, propene carbonate and methyl ethyl carbonate, and ether is by ethylene glycol diethyl ether, two
Glycol dimethyl ether and tetraethyleneglycol dimethyl ether composition, above composition are with low cost, easily prepared.
Environment temperature when step c is electrolysed is controlled at 5 DEG C, and the severe degree of reaction is advantageously reduced at this temperature, is prevented
React the danger acutely brought.
Step d stabilizer is tetraacethyl diaminoethanes, and the composition is with low cost, and material source is extensive and is easy to system
It is standby.
Step e deicers are lithium hydride, and the composition is with low cost, and extensively, water removal effect is more good for material source.
Step e removes water to water content in below 8ppm, is conducive to improving the quality of obtained electrolyte, so as to extend
The service life of electrolyte.
Embodiment 3
A kind of manufacture craft of electrolyte for emergency power plant, comprises the following steps：
A, the lithium iodide salt with the crystallization water is put and dried under vacuum conditions, drying temperature is 80 DEG C；
B, the dried lithium iodide salts of step a are added in organic solvent stirred, mixing speed is 40r/min, is obtained
Electrolyte mother liquor；
C, electrolyte mother liquor is added in electrolytic cell, 5h is electrolysed using constant current, thick electrolyte one is obtained；
D, into thick electrolyte one stabilizer is added, react 10h at 40 DEG C, obtain thick electrolyte two；
E, add deicer into thick electrolyte two, stir 2h, electrolyte finished product is can obtain after filtering.
Step a is less than under 1ppm vacuum environment in dew point less than -10 DEG C, oxygen content to be dried, and is conducive to accelerating band crystallization
The rate of drying of the lithium iodide salt of water, and dry purity is improved, reduce the generation of impurity in drying process.
Step b organic solvents are made up of carbonic ester and ether, and the composition is with low cost, and reaction condition is relatively simple, it is easy to
Control.
Carbonic ester is combined by ethylene carbonate, propene carbonate and dimethyl carbonate, and ether is by ethylene glycol diethyl ether, two
Glycol dimethyl ether and tetraethyleneglycol dimethyl ether composition, above composition are with low cost, easily prepared.
Environment temperature when step c is electrolysed is controlled at 10 DEG C, and the severe degree of reaction is advantageously reduced at this temperature, is prevented
React the danger acutely brought.
Step d stabilizer is ethylene glycol, and the composition is with low cost, and material source is extensive and easily prepared.
Step e deicers are lithium hydride, and the composition is with low cost, and extensively, water removal effect is more good for material source.
Step e removes water to water content in below 8ppm, is conducive to improving the quality of obtained electrolyte, so as to extend
The service life of electrolyte.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. the manufacture craft of a kind of electrolyte for emergency power plant, it is characterised in that comprise the following steps：
A, the lithium iodide salt with the crystallization water is put and dried under vacuum conditions, drying temperature is 80-100 DEG C；
B, the dried lithium iodide salts of step a are added in organic solvent stirred, mixing speed is 40-60r/min, is obtained
To electrolyte mother liquor；
C, electrolyte mother liquor is added in electrolytic cell, 5-8h is electrolysed using constant current, thick electrolyte one is obtained；
D, into thick electrolyte one stabilizer is added, react 8-10h at 40-60 DEG C, obtain thick electrolyte two；
E, add deicer into thick electrolyte two, stir 1-2h, electrolyte finished product is can obtain after filtering.
2. a kind of manufacture craft of electrolyte for emergency power plant according to claim 1, it is characterised in that institute
State step a dry in the case where dew point is less than 1ppm vacuum environment less than -10 DEG C, oxygen content.
3. a kind of manufacture craft of electrolyte for emergency power plant according to claim 1, it is characterised in that institute
Step b organic solvents are stated to be made up of carbonic ester and ether.
4. a kind of manufacture craft of electrolyte for emergency power plant according to claim 3, it is characterised in that institute
State carbonic ester in ethylene carbonate, propene carbonate, dimethyl carbonate, diethyl carbonate and methyl ethyl carbonate any three kinds or
Three kinds of combination of the above are formed, and the ether is made up of ethylene glycol diethyl ether, diethylene glycol dimethyl ether and tetraethyleneglycol dimethyl ether.
5. a kind of manufacture craft of electrolyte for emergency power plant according to claim 1, it is characterised in that institute
Environment temperature when stating step c electrolysis is controlled at 5-10 DEG C.
6. a kind of manufacture craft of electrolyte for emergency power plant according to claim 1, it is characterised in that institute
The stabilizer for stating step d is ethylene glycol, tartaric acid or tetraacethyl diaminoethanes.
7. a kind of manufacture craft of electrolyte for emergency power plant according to claim 1, it is characterised in that institute
Step e deicers are stated for lithium hydride or tetrahydrochysene lithium aluminium.
8. a kind of manufacture craft of electrolyte for emergency power plant according to claim 1, it is characterised in that institute
State step e and remove water to water content in below 8ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402984.XA CN107221703A (en) | 2017-06-01 | 2017-06-01 | Manufacturing process of electrolyte for emergency power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402984.XA CN107221703A (en) | 2017-06-01 | 2017-06-01 | Manufacturing process of electrolyte for emergency power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107221703A true CN107221703A (en) | 2017-09-29 |
Family
ID=59947143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710402984.XA Withdrawn CN107221703A (en) | 2017-06-01 | 2017-06-01 | Manufacturing process of electrolyte for emergency power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107221703A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227002A (en) * | 2007-12-22 | 2008-07-23 | 广州市鹏辉电池有限公司 | Method for preparation of lithium iodide organic electrolytic solution and lithium cell |
| CN102229435A (en) * | 2010-12-10 | 2011-11-02 | 北京化学试剂研究所 | Synthetic method for lithium iodide for cell and preparation method for electrolyte of lithium iodide |
| CN105006585A (en) * | 2015-06-09 | 2015-10-28 | 陈曦 | Preparation method of electrolyte for all-vanadium redox-flow battery |
| CN106229537A (en) * | 2014-02-13 | 2016-12-14 | 天津大学 | Flow battery based on organic halogen electrolyte |
-
2017
- 2017-06-01 CN CN201710402984.XA patent/CN107221703A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227002A (en) * | 2007-12-22 | 2008-07-23 | 广州市鹏辉电池有限公司 | Method for preparation of lithium iodide organic electrolytic solution and lithium cell |
| CN102229435A (en) * | 2010-12-10 | 2011-11-02 | 北京化学试剂研究所 | Synthetic method for lithium iodide for cell and preparation method for electrolyte of lithium iodide |
| CN106229537A (en) * | 2014-02-13 | 2016-12-14 | 天津大学 | Flow battery based on organic halogen electrolyte |
| CN105006585A (en) * | 2015-06-09 | 2015-10-28 | 陈曦 | Preparation method of electrolyte for all-vanadium redox-flow battery |
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Application publication date: 20170929 |