CN106159326A - A kind of Multifunctional electrolysis liquid - Google Patents
A kind of Multifunctional electrolysis liquid Download PDFInfo
- Publication number
- CN106159326A CN106159326A CN201610736689.3A CN201610736689A CN106159326A CN 106159326 A CN106159326 A CN 106159326A CN 201610736689 A CN201610736689 A CN 201610736689A CN 106159326 A CN106159326 A CN 106159326A
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- CN
- China
- Prior art keywords
- electrolysis liquid
- multifunctional electrolysis
- follows
- raw material
- multifunctional
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M10/0569—Liquid materials characterised by the solvents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of Multifunctional electrolysis liquid, mass percentage content including each raw material is respectively as follows: ethylene carbonate 26% ~ 18%, methyl ethyl ester 14.00% ~ 10%, dimethyl carbonate 45.00% ~ 30.00%, lithium hexafluoro phosphate 12.00% ~ 30.00%, propane sultone 1.00% ~ 5.00%, vinylene carbonate 1.50% ~ 3.50%, ethylene sulfite 0.50% ~ 3.50%.The Multifunctional electrolysis liquid that this invention provides, preparation technology flow process is simple, and raw material is relatively easily obtained; cost of manufacture is cheap; SEI film can be protected largely, it is ensured that the integrity of SEI film, make battery material remain in that excellent performance in longer use duration.
Description
Technical field
The present invention relates to technical field of lithium batteries, be specifically related to a kind of Multifunctional electrolysis liquid.
Background technology
Lithium battery from 1958 by invention since, the most history of more than 100 year.Lithium battery has simple in construction, property
Reliable, easy to use, raw material can be easy to get and the advantage such as low price, be widely used in the states such as transportation, communication and national defence
Various fields in people's economy, it has also become indispensable energy products in social production and human lives.
The five of lithium battery are big, and ingredient is positive pole, negative pole, barrier film, electrolyte and battery case, and wherein electrolyte is shadow
Ring one of principal element of battery performance.Common electrolyte internal resistance is big, solid sour ability, cycle life is low, service life is short,
Stability is low.
Summary of the invention
Instant invention overcomes above-mentioned shortcoming, and a kind of Multifunctional electrolysis liquid is provided.
To achieve these goals, the present invention is to realize by the following technical solutions: this Multifunctional electrolysis liquid includes
The mass percentage content of each raw material is respectively as follows:
The preparation method of this Multifunctional electrolysis liquid described comprises the following steps:
1) mass percentage content taking each raw material is respectively as follows: ethylene carbonate 26%～18%, methyl ethyl ester
14%～10%, dimethyl carbonate 45%～30%, lithium hexafluoro phosphate 12%～30% and 1,3-PS 1%～5% puts into stirring
In machine, stir 30min～45min, obtain solution a；
2) take the mass percentage content of each raw material and be respectively as follows: vinylene carbonate 1.5%～3.5% and sulfurous acid ethylene
Ester 0.5%～3.5% is rubbed in another blender, stirs 15min, obtains solution b；
3) by step 1) in solution a and step 2) in solution b mix, stir, obtain Multifunctional electrolysis liquid.
Preferably, described step 1) in the rotating speed of blender be 1800r/min.
Preferably, include described in that the mass percentage content of each raw material is respectively as follows:
Preferably, described deionization electrical conductivity of water is less than 2.8 μ S/cm.
The invention has the beneficial effects as follows: the Multifunctional electrolysis liquid preparing process flow process in the present invention is simple, and raw material holds relatively
Easily obtaining, cost of manufacture is cheap, and during the long circulating of battery, the SEI film of material interface is constantly hacked, again the most again
Generate, the vinylene carbonate of interpolation and ES, lithium salts ion concentration is greatly improved, reduce the lithium ion consumption band in long circulating
The impact causing battery life come, can protect SEI film largely, makes SEI film in charge and discharge process each time
Destruction degree is near minimum, it is ensured that the integrity of SEI film, not by bigger solvent molecule inside protection negative material
Extruding so that battery material remains in that excellent performance in longer use duration.
Detailed description of the invention
Embodiment 1
This Multifunctional electrolysis liquid includes that the mass percentage content of each raw material is respectively as follows:
1) taking ethylene carbonate, methyl ethyl ester, dimethyl carbonate, lithium hexafluoro phosphate and 1,3-PS puts into blender
In, stir 30min, obtain solution a；
2) take vinylene carbonate and ES rubs in another blender, stir 15min, obtain solution b；
3) by step 1) in solution a and step 2) in solution b mix, stir, obtain Multifunctional electrolysis liquid.
Embodiment 2
This Multifunctional electrolysis liquid includes that the mass percentage content of each raw material is respectively as follows:
1) taking ethylene carbonate, methyl ethyl ester, dimethyl carbonate, lithium hexafluoro phosphate and 1,3-PS puts into blender
In, stir 40min, obtain solution a；
2) take vinylene carbonate and ES rubs in another blender, stir 15min, obtain solution b；
3) by step 1) in solution a and step 2) in solution b mix, stir, obtain Multifunctional electrolysis liquid.
Embodiment 3
This Multifunctional electrolysis liquid includes that the mass percentage content of each raw material is respectively as follows:
1) taking ethylene carbonate, methyl ethyl ester, dimethyl carbonate, lithium hexafluoro phosphate and 1,3-PS puts into blender
In, stir 45min, obtain solution a；
2) take vinylene carbonate and ES rubs in another blender, stir 15min, obtain solution b；
3) by step 1) in solution a and step 2) in solution b mix, stir, obtain Multifunctional electrolysis liquid.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (5)
1. a Multifunctional electrolysis liquid, it is characterised in that include that the mass percentage content of each raw material is respectively as follows:
Multifunctional electrolysis liquid the most according to claim 1, it is characterised in that the preparation method of this Multifunctional electrolysis liquid described
Comprise the following steps:
1) take each raw materials quality degree be respectively as follows: mass percentage content be respectively as follows: ethylene carbonate 26%～18%,
Methyl ethyl ester 14%～10%, dimethyl carbonate 45%～30%, lithium hexafluoro phosphate 12%～30% and 1,3-PS
1%～5% puts in blender, stirs 30min～45min, obtains solution a；
2) take the mass percentage content of each raw material and be respectively as follows: vinylene carbonate 1.5%～3.5% and ethylene sulfite
0.5%～3.5% rubs in another blender, stirs 15min, obtains solution b；
3) by step 1) in solution a and step 2) in solution b mix, stir, obtain Multifunctional electrolysis liquid.
Multifunctional electrolysis liquid the most according to claim 1, it is characterised in that described step 1) in the rotating speed of blender be
1800r/min。
Multifunctional electrolysis liquid the most according to claim 1, it is characterised in that described in include that the mass percent of each raw material contains
Amount is respectively as follows:
Multifunctional electrolysis liquid the most according to claim 1, it is characterised in that described deionization electrical conductivity of water is less than 2.8 μ
S/cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736689.3A CN106159326A (en) | 2016-08-26 | 2016-08-26 | A kind of Multifunctional electrolysis liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736689.3A CN106159326A (en) | 2016-08-26 | 2016-08-26 | A kind of Multifunctional electrolysis liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106159326A true CN106159326A (en) | 2016-11-23 |
Family
ID=57343305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736689.3A Pending CN106159326A (en) | 2016-08-26 | 2016-08-26 | A kind of Multifunctional electrolysis liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106159326A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315483A (en) * | 2011-09-30 | 2012-01-11 | 湖南大学 | Novel multifunctional electrolyte |
| CN102738508A (en) * | 2011-04-11 | 2012-10-17 | 中国科学院过程工程研究所 | Lithium ion battery electrolyte with low lithium salt content |
| CN103000944A (en) * | 2012-12-03 | 2013-03-27 | 湖州创亚动力电池材料有限公司 | Lithium ion battery electrolyte with high-temperature and low-temperature properties |
| CN103700884A (en) * | 2013-08-14 | 2014-04-02 | 江西世纪长河新电源有限公司 | Electrolyte of power lithium ion secondary battery |
| CN104600362A (en) * | 2015-02-05 | 2015-05-06 | 深圳市三讯电子有限公司 | Power battery and lithium ion electrolyte thereof |
| US20160079627A1 (en) * | 2014-09-11 | 2016-03-17 | Sk Innovation Co., Ltd. | Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Containing the Same |
-
2016
- 2016-08-26 CN CN201610736689.3A patent/CN106159326A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738508A (en) * | 2011-04-11 | 2012-10-17 | 中国科学院过程工程研究所 | Lithium ion battery electrolyte with low lithium salt content |
| CN102315483A (en) * | 2011-09-30 | 2012-01-11 | 湖南大学 | Novel multifunctional electrolyte |
| CN103000944A (en) * | 2012-12-03 | 2013-03-27 | 湖州创亚动力电池材料有限公司 | Lithium ion battery electrolyte with high-temperature and low-temperature properties |
| CN103700884A (en) * | 2013-08-14 | 2014-04-02 | 江西世纪长河新电源有限公司 | Electrolyte of power lithium ion secondary battery |
| US20160079627A1 (en) * | 2014-09-11 | 2016-03-17 | Sk Innovation Co., Ltd. | Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Containing the Same |
| CN104600362A (en) * | 2015-02-05 | 2015-05-06 | 深圳市三讯电子有限公司 | Power battery and lithium ion electrolyte thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |