CN107293786A - A kind of formula of lithium battery electrolytes and preparation method thereof - Google Patents
A kind of formula of lithium battery electrolytes and preparation method thereof Download PDFInfo
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- CN107293786A CN107293786A CN201710472798.3A CN201710472798A CN107293786A CN 107293786 A CN107293786 A CN 107293786A CN 201710472798 A CN201710472798 A CN 201710472798A CN 107293786 A CN107293786 A CN 107293786A
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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
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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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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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- Condensed Matter Physics & Semiconductors (AREA)
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- Secondary Cells (AREA)
Abstract
The invention discloses a kind of formula of lithium battery electrolytes and preparation method thereof, it is made up of according to parts by weight following raw material：30 parts of deionized water 20 part, 15 parts of dimethyl carbonate 10 part, for 16 parts of ethylene carbonate 12 part, 10 parts of methyl ethyl carbonate 6 part, 12 parts of ethyl acetate 8 part, 8 parts of methyl butyrate 4 part, 4 parts of lithium carbonate 2 part, 8 parts of lithium perchlorate 3 part, 3 parts of di-oxalate lithium borate 1 part, 0.6 part of hydrogenated terphenyl 0.2 part, 0.5 part of terphenyl 0.1 part, 8 parts of silica 2 part, 15 parts of Ludox 10 part, 16 parts of stability additive 6 part, the present invention has low stain, environment-protecting clean, inside battery Stability Analysis of Structures, battery capacity is big and safe, and this battery can be used for a long time, it substantially prolongs the service life of battery.
Description
Technical field
The invention mainly relates to a kind of formula of lithium battery electrolytes and preparation method thereof.
Background technology
Lithium ion battery is the current best chargeable chemical cell of technical performance in the world, with operating voltage height, ratio
Energy is big, have extended cycle life, self discharge is small, memory-less effect, it is pollution-free the advantages of, be widely used in mobile communication, notebook electricity
The fields such as brain, portable dam, electric bicycle, just gradually replace traditional lead-acid accumulator, as market application mainstream electricity
Pond.Electrolyte studies the manufacturing technology to improving lithium ion battery as the important component of lithium ion battery to electrolyte
Level is of great importance.The electrolyte of lithium ion battery is generally divided into two kinds of liquid electrolyte and gel state electrolyte, wherein, liquid
State electrolyte electrochemical better performances, but security is poor, the phenomenon of leakage easily occurs, and temperature characterisitic is poor.Gel electrolyte liquid
The solvent molecule of free state is fixed among high-molecular gel skeleton by system, is not present or the less solvent that there is free state, because
And be not easy to produce the phenomenon of leakage, the flammability of system is greatly reduced, thus with good security, but it is chemically
Liquid electrolyte can be not so good as.
The content of the invention
It is an object of the invention to provide a kind of formula of lithium battery electrolytes and preparation method thereof, solve above-mentioned technology and lack
Fall into.
To achieve the above object, the present invention provides following technical scheme：
A kind of formula of lithium battery electrolytes, is made up of according to parts by weight following raw material：20 parts -30 parts of deionized water, carbonic acid two
10 parts -15 parts of methyl esters, be 12 parts -16 parts of ethylene carbonate, 6 parts -10 parts of methyl ethyl carbonate, 8 parts -12 parts of ethyl acetate, butyric acid
4 parts -8 parts of methyl esters, 2 parts -4 parts of lithium carbonate, 3 parts -8 parts of lithium perchlorate, 1 part -3 parts of di-oxalate lithium borate, hydrogenated terphenyl 0.2
- 0.6 part of part, 0.1 part -0.5 part of terphenyl, 2 parts -8 parts of silica, 10 parts -15 parts of Ludox, 6 part -16 of stability additive
Part.
A kind of formula of above-mentioned lithium battery electrolytes, is made up of according to parts by weight following raw material：20 part -28 of deionized water
Part, 10 parts -13 parts of dimethyl carbonate, be 12 parts -14 parts of ethylene carbonate, 6 parts -8 parts of methyl ethyl carbonate, 8 part -10 of ethyl acetate
Part, 4 parts -6 parts of methyl butyrate, 2 parts -3 parts of lithium carbonate, 3 parts -6 parts of lithium perchlorate, 1 part -2 parts of di-oxalate lithium borate, hydrogenation three
0.2 part -0.4 part of benzene, 0.1 part -0.4 part of terphenyl, 2 parts -6 parts of silica, 10 parts -13 parts of Ludox, stability additive 6
- 14 parts of part.
A kind of formula of above-mentioned lithium battery electrolytes, is made up of according to parts by weight following raw material：25 parts of deionized water, carbonic acid
12 parts of dimethyl ester, for 13 parts of ethylene carbonate, 8 parts of methyl ethyl carbonate, 10 parts of ethyl acetate, 6 parts of methyl butyrate, 3 parts of lithium carbonate,
5 parts of lithium perchlorate, 2 parts of di-oxalate lithium borate, 0.4 part of hydrogenated terphenyl, 0.3 part of terphenyl, 5 parts of silica, Ludox 12
Part, 11 parts of stability additive.
A kind of preparation method of above-mentioned lithium battery electrolytes, is comprised the steps of：
（1）The parts by weight as described in claim 1 take raw material deionized water, dimethyl carbonate, are ethylene carbonate, methyl ethyl carbonate
Ester, ethyl acetate, methyl butyrate, which are uniformly mixed, obtains intermixture；
（2）The intermixture obtained in step 1 is heated to after 40-50 DEG C to add weight described in claim 1 into intermixture successively
Lithium perchlorate, di-oxalate lithium borate, hydrogenated terphenyl, terphenyl, silica, the Ludox of amount fraction are stirred until homogeneous, and are adopted
With being incubated after vibration of ultrasonic wave 20 minutes to the intermixture；
（3）Intermixture obtained by step 3 is poured into mixer, weight described in claim 1 is then added into mixer successively
The stability additive for measuring fraction uses high-speed stirred with obtaining electrolyte solution.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention has low stain, environment-protecting clean, inside battery Stability Analysis of Structures, and battery capacity is big and safe, and this electricity
Pond can be used for a long time, substantially prolongs the service life of battery.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of formula of lithium battery electrolytes, is made up of according to parts by weight following raw material：30 parts of deionized water, dimethyl carbonate 15
Part, be 16 parts of ethylene carbonate, 10 parts of methyl ethyl carbonate, 12 parts of ethyl acetate, 8 parts of methyl butyrate, 4 parts of lithium carbonate, perchloric acid
8 parts of lithium, 3 parts of di-oxalate lithium borate, 0.6 part of hydrogenated terphenyl, 0.5 part of terphenyl, 8 parts of silica, 15 parts of Ludox, stably
16 parts of additive of property.
A kind of preparation method of above-mentioned lithium battery electrolytes, is comprised the steps of：
（1）The parts by weight as described in claim 1 take raw material deionized water, dimethyl carbonate, are ethylene carbonate, methyl ethyl carbonate
Ester, ethyl acetate, methyl butyrate, which are uniformly mixed, obtains intermixture；
（2）The intermixture obtained in step 1 is heated to after 40-50 DEG C to add weight described in claim 1 into intermixture successively
Lithium perchlorate, di-oxalate lithium borate, hydrogenated terphenyl, terphenyl, silica, the Ludox of amount fraction are stirred until homogeneous, and are adopted
With being incubated after vibration of ultrasonic wave 20 minutes to the intermixture；
（3）Intermixture obtained by step 3 is poured into mixer, weight described in claim 1 is then added into mixer successively
The stability additive for measuring fraction uses high-speed stirred with obtaining electrolyte solution.
Embodiment 2
A kind of formula of lithium battery electrolytes, is made up of according to parts by weight following raw material：20 parts of deionized water, dimethyl carbonate 10
Part, be 12 parts of ethylene carbonate, 6 parts of methyl ethyl carbonate, 8 parts of ethyl acetate, 4 parts of methyl butyrate, 2 parts of lithium carbonate, lithium perchlorate 3
Part, 1 part of di-oxalate lithium borate, 0.2 part of hydrogenated terphenyl, 0.1 part of terphenyl, 2 parts of silica, 10 parts of Ludox, stability
6 parts of additive.
A kind of preparation method of above-mentioned lithium battery electrolytes, is comprised the steps of：
（1）The parts by weight as described in claim 1 take raw material deionized water, dimethyl carbonate, are ethylene carbonate, methyl ethyl carbonate
Ester, ethyl acetate, methyl butyrate, which are uniformly mixed, obtains intermixture；
（2）The intermixture obtained in step 1 is heated to after 40-50 DEG C to add weight described in claim 1 into intermixture successively
Lithium perchlorate, di-oxalate lithium borate, hydrogenated terphenyl, terphenyl, silica, the Ludox of amount fraction are stirred until homogeneous, and are adopted
With being incubated after vibration of ultrasonic wave 20 minutes to the intermixture；
（3）Intermixture obtained by step 3 is poured into mixer, weight described in claim 1 is then added into mixer successively
The stability additive for measuring fraction uses high-speed stirred with obtaining electrolyte solution.
Embodiment 3
A kind of formula of lithium battery electrolytes, is made up of according to parts by weight following raw material：25 parts of deionized water, dimethyl carbonate 12
Part, be 13 parts of ethylene carbonate, 8 parts of methyl ethyl carbonate, 10 parts of ethyl acetate, 6 parts of methyl butyrate, 3 parts of lithium carbonate, lithium perchlorate
5 parts, 2 parts of di-oxalate lithium borate, 0.4 part of hydrogenated terphenyl, 0.3 part of terphenyl, 5 parts of silica, 12 parts of Ludox, stability
11 parts of additive.
A kind of preparation method of above-mentioned lithium battery electrolytes, is comprised the steps of：
（1）The parts by weight as described in claim 1 take raw material deionized water, dimethyl carbonate, are ethylene carbonate, methyl ethyl carbonate
Ester, ethyl acetate, methyl butyrate, which are uniformly mixed, obtains intermixture；
（2）The intermixture obtained in step 1 is heated to after 40-50 DEG C to add weight described in claim 1 into intermixture successively
Lithium perchlorate, di-oxalate lithium borate, hydrogenated terphenyl, terphenyl, silica, the Ludox of amount fraction are stirred until homogeneous, and are adopted
With being incubated after vibration of ultrasonic wave 20 minutes to the intermixture；
（3）Intermixture obtained by step 3 is poured into mixer, weight described in claim 1 is then added into mixer successively
The stability additive for measuring fraction uses high-speed stirred with obtaining electrolyte solution.
The present invention has low stain, environment-protecting clean, inside battery Stability Analysis of Structures, and battery capacity is big and safe, and
This battery can be used for a long time, substantially prolongs the service life of battery.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
, can also be on the premise of this patent objective not be departed from formula, the knowledge that one skilled in the relevant art possesses
Make a variety of changes.
Claims (4)
1. a kind of formula of lithium battery electrolytes, it is characterised in that be made up of according to parts by weight following raw material：Deionized water 20
Parts -30 parts, 10 parts -15 parts of dimethyl carbonate, be 12 parts -16 parts of ethylene carbonate, 6 parts -10 parts of methyl ethyl carbonate, ethyl acetate
8 parts -12 parts, 4 parts -8 parts of methyl butyrate, 2 parts -4 parts of lithium carbonate, 3 parts -8 parts of lithium perchlorate, 1 part -3 parts of di-oxalate lithium borate, hydrogen
Change 0.2 part -0.6 part of terphenyl, 0.1 part -0.5 part of terphenyl, 2 parts -8 parts of silica, 10 parts -15 parts of Ludox, stability
6 parts -16 parts of additive.
2. a kind of formula of lithium battery electrolytes according to claim 1, it is characterised in that according to parts by weight by following raw material
Composition：20 parts -28 parts of deionized water, 10 parts -13 parts of dimethyl carbonate, be 12 parts -14 parts of ethylene carbonate, methyl ethyl carbonate 6
- 8 parts of part, 8 parts -10 parts of ethyl acetate, 4 parts -6 parts of methyl butyrate, 2 parts -3 parts of lithium carbonate, 3 parts -6 parts of lithium perchlorate, double oxalic acid
1 part -2 parts of lithium borate, 0.2 part -0.4 part of hydrogenated terphenyl, 0.1 part -0.4 part of terphenyl, 2 parts -6 parts of silica, Ludox
10 parts -13 parts, 6 parts -14 parts of stability additive.
3. a kind of formula of lithium battery electrolytes according to claim 1, it is characterised in that according to parts by weight by following raw material
Composition：25 parts of deionized water, 12 parts of dimethyl carbonate, for 13 parts of ethylene carbonate, 8 parts of methyl ethyl carbonate, 10 parts of ethyl acetate,
6 parts of methyl butyrate, 3 parts of lithium carbonate, 5 parts of lithium perchlorate, 2 parts of di-oxalate lithium borate, 0.4 part of hydrogenated terphenyl, terphenyl 0.3
Part, 5 parts of silica, 12 parts of Ludox, 11 parts of stability additive.
4. a kind of preparation method of lithium battery electrolytes according to claim 1, it is characterised in that comprise the steps of：
（1）The parts by weight as described in claim 1 take raw material deionized water, dimethyl carbonate, are ethylene carbonate, methyl ethyl carbonate
Ester, ethyl acetate, methyl butyrate, which are uniformly mixed, obtains intermixture；
（2）The intermixture obtained in step 1 is heated to after 40-50 DEG C to add weight described in claim 1 into intermixture successively
Lithium perchlorate, di-oxalate lithium borate, hydrogenated terphenyl, terphenyl, silica, the Ludox of amount fraction are stirred until homogeneous, and are adopted
With being incubated after vibration of ultrasonic wave 20 minutes to the intermixture；
（3）Intermixture obtained by step 3 is poured into mixer, weight described in claim 1 is then added into mixer successively
The stability additive for measuring fraction uses high-speed stirred with obtaining electrolyte solution.
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| CN201710472798.3A CN107293786A (en) | 2017-06-21 | 2017-06-21 | A kind of formula of lithium battery electrolytes and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463483A (en) * | 2020-04-29 | 2020-07-28 | 湖南航盛新能源材料有限公司 | Preparation method and formula of lithium borate-containing lithium ion battery electrolyte |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104218258A (en) * | 2014-09-17 | 2014-12-17 | 宜春金晖新能源材料有限公司 | Over-charging prevention flame-retardant battery electrolyte |
| CN105932333A (en) * | 2016-06-30 | 2016-09-07 | 普定县银丰农业科技发展有限公司 | Lithium-ion battery electrolyte formula and preparation method |
| CN106299474A (en) * | 2016-09-20 | 2017-01-04 | 东莞市航盛新能源材料有限公司 | Lithium titanate battery electrolyte and battery goods thereof |
-
2017
- 2017-06-21 CN CN201710472798.3A patent/CN107293786A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218258A (en) * | 2014-09-17 | 2014-12-17 | 宜春金晖新能源材料有限公司 | Over-charging prevention flame-retardant battery electrolyte |
| CN105932333A (en) * | 2016-06-30 | 2016-09-07 | 普定县银丰农业科技发展有限公司 | Lithium-ion battery electrolyte formula and preparation method |
| CN106299474A (en) * | 2016-09-20 | 2017-01-04 | 东莞市航盛新能源材料有限公司 | Lithium titanate battery electrolyte and battery goods thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463483A (en) * | 2020-04-29 | 2020-07-28 | 湖南航盛新能源材料有限公司 | Preparation method and formula of lithium borate-containing lithium ion battery electrolyte |
| CN111463483B (en) * | 2020-04-29 | 2024-01-19 | 贵州航盛锂能科技有限公司 | Preparation method and formula of lithium ion battery electrolyte containing lithium borate |
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