CN107275120A - A kind of electrolysis additive and its application in lithium ion hydridization ultracapacitor - Google Patents
A kind of electrolysis additive and its application in lithium ion hydridization ultracapacitor Download PDFInfo
- Publication number
- CN107275120A CN107275120A CN201710613741.0A CN201710613741A CN107275120A CN 107275120 A CN107275120 A CN 107275120A CN 201710613741 A CN201710613741 A CN 201710613741A CN 107275120 A CN107275120 A CN 107275120A
- Authority
- CN
- China
- Prior art keywords
- additive
- lithium ion
- ultracapacitor
- electrolyte
- hydridization
- Prior art date
- 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.)
- Pending
Links
- 239000000654 additive Substances 0.000 title claims abstract description 47
- 230000000996 additive effect Effects 0.000 title claims abstract description 47
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 35
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 19
- 239000003792 electrolyte Substances 0.000 claims description 37
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 150000001721 carbon Chemical group 0.000 claims description 9
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims description 9
- 229910021389 graphene Inorganic materials 0.000 claims description 9
- 229910003002 lithium salt Inorganic materials 0.000 claims description 4
- 159000000002 lithium salts Chemical class 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 13
- 239000008151 electrolyte solution Substances 0.000 abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 28
- 229910052786 argon Inorganic materials 0.000 description 14
- 239000007789 gas Substances 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 7
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- -1 ester (DMC) Chemical class 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical class O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
- QNLVXLJTOLHAMA-UHFFFAOYSA-N N=NC=NN.N=NC=NN.C(O)(O)=O Chemical compound N=NC=NN.N=NC=NN.C(O)(O)=O QNLVXLJTOLHAMA-UHFFFAOYSA-N 0.000 description 1
- 241001597008 Nomeidae Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
- H01G11/64—Liquid electrolytes characterised by additives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- 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
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A kind of lithium ion hydridization ultracapacitor the invention discloses electrolysis additive and containing the additive, by adding a small amount of additive in lithium ion hydridization electrolytic solution for super capacitor, the charge-discharge performance of lithium ion hydridization ultracapacitor is not only set to be greatly improved, and, lithium ion hydridization ultracapacitor containing this electrolysis additive has fire retardancy, improves its safety in utilization.Certain theoretical foundation and practical experience is provided for the further application of lithium ion hydridization ultracapacitor.
Description
【Technical field】
A kind of application the present invention relates to electrolysis additive and its in lithium ion hydridization ultracapacitor.
【Background technology】
Lithium ion hydridization ultracapacitor is a kind of new type of energy storage device, and it both had as conventional Super capacitor
High discharge power, long circulation life, have again can be comparable with lithium ion battery high-energy-density, so developing new energy
There are extremely strong potentiality in the application field of source.
Lithium ion hydridization ultracapacitor is mainly made up of electrode, electrolyte, barrier film, collector, lead and encapsulating material.
Wherein, electrolyte is the key factor for determining lithium ion super capacitor performance.The electrolyte commonly used in the market
System is generally organic solvent and lithium salt mixture, wherein several frequently seen organic solvent is ethylene carbonate (EC), carbonic acid diformazan
The carbonats compounds such as ester (DMC), lithium salts is mainly lithium hexafluoro phosphate, this class electrolyte low boiling point, it is volatile, inflammable,
Electrical conductivity is low, these shortcomings cause lithium ion hydridization ultracapacitor, and high temperature performance is poor in use, service life is short,
The low problem of security performance.
It is to improve lithium ion hydridization performance of the supercapacitor most that a small amount of Cucumber is added in the electrolytic solution as additive
One of cost-effective method.Chinese patent CN200810216292.7, CN201110117437.X,
The report such as CN201110262125.8,201310293348.X adds a small amount of anthracene derivant, linear carbonates, quinoline in the electrolytic solution
Quinoline or isoquinilone derivatives, maleimide or bismaleimide amine derivative etc. can significantly improve the performance of battery.But
It is, but on improving lithium ion hydridization ultracapacitor performance by electrolysis additive, especially improves its fire-retardant
The report of security is fewer.
【The content of the invention】
It is an object of the invention to overcome the shortcoming of above-mentioned prior art there is provided a kind of electrolysis additive and its lithium from
Application in sub- hydridization ultracapacitor.By above-mentioned additive, the charge-discharge performance of lithium ion hydridization ultracapacitor is improved,
And its safety in utilization.
To reach above-mentioned purpose, the present invention is achieved using following technical scheme：
A kind of electrolysis additive, the chemical structural formula of the additive is as follows：
Wherein, R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
A kind of electrolyte, containing organic solvent, lithium salts and additive, the additive is using the electricity described in claim 1
Solve solution additive.
Further improve of the invention is：
On the basis of the quality of electrolyte, the weight/mass percentage composition of electrolysis additive is 0.01~30%.
On the basis of the quality of electrolyte, the weight/mass percentage composition of electrolysis additive is 0.5~20%.
A kind of lithium ion hydridization ultracapacitor, contains above-mentioned electrolysis additive or electrolyte.
The capacitor also includes positive pole, negative pole and barrier film.
Positive pole uses graphene, and negative pole uses lithium titanate.
Compared with prior art, the invention has the advantages that：
The present invention not only makes lithium ion by adding a small amount of additive in lithium ion hydridization electrolytic solution for super capacitor
The charge-discharge performance of hydridization ultracapacitor is greatly improved, moreover, the lithium ion hydridization containing this electrolysis additive
Ultracapacitor has fire retardancy, improves its safety in utilization.For further applying for lithium ion hydridization ultracapacitor
There is provided certain theoretical foundation and practical experience.
【Brief description of the drawings】
Fig. 1 is lithium ion hydridization ultracapacitor doping and not additivated charging and discharging curve.
【Embodiment】
The present invention is described in further detail below in conjunction with the accompanying drawings：
The electrolysis additive with following architectural feature is added to business electrolyte in the glove box that argon gas is protected
In.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected.Then, the buckle type lithium-ion hydridization to assembling surpasses
Level capacitor carries out charge-discharge test.Finally, the electrolyte and not additivated electrolyte that add additive are burnt
Test, it is found that the additive can effectively improve the fire resistance of electrolyte.
Embodiment 1：
The additive with following architectural feature is added in business electrolyte in the glove box that argon gas is protected.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
On the basis of the quality of electrolyte, the weight/mass percentage composition of the additive is 0.5%.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected, and tests its performance.
Embodiment 2：
The additive with following architectural feature is added in business electrolyte in the glove box that argon gas is protected.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
On the basis of the quality of electrolyte, the weight/mass percentage composition of the additive is 10%.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected, and tests its performance.
Embodiment 3：
The additive with following architectural feature is added in business electrolyte in the glove box that argon gas is protected.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
On the basis of the quality of electrolyte, the weight/mass percentage composition of the additive is 20%.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected, and tests its performance.
Embodiment 4：
The additive with following architectural feature is added in business electrolyte in the glove box that argon gas is protected.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
On the basis of the quality of electrolyte, the weight/mass percentage composition of the additive is 0.5%.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected, and tests its performance.
Embodiment 5：
The additive with following architectural feature is added in business electrolyte in the glove box that argon gas is protected.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
On the basis of the quality of electrolyte, the weight/mass percentage composition of the additive is 10%.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected, and tests its performance.
Embodiment 6：
The additive with following architectural feature is added in business electrolyte in the glove box that argon gas is protected.
Wherein R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
On the basis of the quality of electrolyte, the weight/mass percentage composition of the additive is 10%.
Respectively using graphene and lithium titanate as the positive pole and negative pole of lithium ion hydridization ultracapacitor, with above-mentioned containing addition
The electrolyte of agent is assembled into button capacitor in the glove box that argon gas is protected, and tests its performance.The test knot of the present embodiment
Fruit is as follows：
As shown in figure 1, Fig. 1 is lithium ion hydridization ultracapacitor containing the additive and not charging and discharging curve containing additive.
In 1A g-1Under current density, the discharge time of the two is respectively 10.1s and 55.4s, illustrates that electrolysis additive is significantly improved
The chemical property of lithium ion hydridization ultracapacitor.
The technological thought of above content only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every to press
According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within claims of the present invention
Protection domain within.
Claims (7)
1. a kind of electrolysis additive, it is characterised in that the chemical structural formula of the additive is as follows：
Wherein, R is selected from alkyl, alkoxy or ethenylidene of the carbon atom between 0~10.
2. a kind of electrolyte, contains organic solvent, lithium salts and additive, it is characterised in that the additive uses claim 1
Described electrolysis additive.
3. electrolyte according to claim 2, it is characterised in that on the basis of the quality of electrolyte, electrolysis additive
Weight/mass percentage composition be 0.01~30%.
4. electrolyte according to claim 2, it is characterised in that on the basis of the quality of electrolyte, electrolysis additive
Weight/mass percentage composition be 0.5~20%.
5. a kind of lithium ion hydridization ultracapacitor, it is characterised in that contain the electrolysis additive or power described in claim 1
Profit requires the electrolyte described in 3 or 4.
6. lithium ion hydridization ultracapacitor according to claim 5, it is characterised in that also including positive pole, negative pole and every
Film.
7. lithium ion hydridization ultracapacitor according to claim 6, it is characterised in that positive pole uses graphene, negative pole
Using lithium titanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613741.0A CN107275120A (en) | 2017-07-25 | 2017-07-25 | A kind of electrolysis additive and its application in lithium ion hydridization ultracapacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613741.0A CN107275120A (en) | 2017-07-25 | 2017-07-25 | A kind of electrolysis additive and its application in lithium ion hydridization ultracapacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107275120A true CN107275120A (en) | 2017-10-20 |
Family
ID=60079203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613741.0A Pending CN107275120A (en) | 2017-07-25 | 2017-07-25 | A kind of electrolysis additive and its application in lithium ion hydridization ultracapacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107275120A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079511A (en) * | 2007-06-25 | 2007-11-28 | 中南大学 | An electrolyte for super capacitance cell |
| CN103378383A (en) * | 2012-04-15 | 2013-10-30 | 何志胜 | Capacitance-lithium ion secondary battery |
| US20140342239A1 (en) * | 2008-01-18 | 2014-11-20 | Lg Chem, Ltd. | Electrolyte having eutectic mixture of hetero cyclic compound and lithium salt and electrochemical device containing the same |
| CN104193685A (en) * | 2014-09-29 | 2014-12-10 | 陕西科技大学 | Preparing method of thiocyanate functionalized ionic liquid electrolyte |
| CN105185602A (en) * | 2015-10-12 | 2015-12-23 | 陕西科技大学 | Ionic liquid electrolyte system used for supercapacitor |
-
2017
- 2017-07-25 CN CN201710613741.0A patent/CN107275120A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079511A (en) * | 2007-06-25 | 2007-11-28 | 中南大学 | An electrolyte for super capacitance cell |
| US20140342239A1 (en) * | 2008-01-18 | 2014-11-20 | Lg Chem, Ltd. | Electrolyte having eutectic mixture of hetero cyclic compound and lithium salt and electrochemical device containing the same |
| CN103378383A (en) * | 2012-04-15 | 2013-10-30 | 何志胜 | Capacitance-lithium ion secondary battery |
| CN104193685A (en) * | 2014-09-29 | 2014-12-10 | 陕西科技大学 | Preparing method of thiocyanate functionalized ionic liquid electrolyte |
| CN105185602A (en) * | 2015-10-12 | 2015-12-23 | 陕西科技大学 | Ionic liquid electrolyte system used for supercapacitor |
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Application publication date: 20171020 |