CN108682889A - A kind of lithium ion battery high-voltage electrolyte and its application - Google Patents
A kind of lithium ion battery high-voltage electrolyte and its application Download PDFInfo
- Publication number
- CN108682889A CN108682889A CN201810398325.8A CN201810398325A CN108682889A CN 108682889 A CN108682889 A CN 108682889A CN 201810398325 A CN201810398325 A CN 201810398325A CN 108682889 A CN108682889 A CN 108682889A
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium ion
- electrolyte
- battery high
- lithium
- 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
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
- H01M10/0567—Liquid materials characterised by the additives
-
- 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)
- 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 lithium ion battery high-voltage electrolyte and its applications, belong to lithium-ion battery electrolytes technical field.The electrolyte by percentage to the quality, including：Organic solvent 65~80%, lithium salts 6~12%, film forming agent 10~15%, two nitrile compounds 1~5%, boryl anionic species compound 0.5~2%, phenylcyclohexane 0.1~0.3%.Two nitriles, boryl anionic species, cyclohexylbenzene is added in the present invention simultaneously in lithium-ion battery electrolytes, three kinds of additives are simultaneously using generation synergistic effect so that lithium-rich manganese base material has excellent cycle performance, high rate performance, security performance under the conditions of high voltage (4.8V).
Description
Technical field
The present invention relates to lithium-ion battery electrolytes technical fields, and in particular to a kind of lithium ion battery high-voltage electrolyte
And its application.
Background technology
Lithium ion battery have operating voltage is high, bigger than energy, self discharge is small, have extended cycle life, memory-less effect, can be fast
The outstanding features such as fast charge and discharge and environmental pollution are the first choices of current 3C digital products and electric automobile power battery.
Currently, high voltage, high-energy density positive electrode LiNi0.5Mn1.5O4、LiCoPO4, rich lithium material research
It reaches its maturity.But the research of high-voltage electrolyte relatively lags behind, current carbonate group electrolyte electrochemical stability window is low.When
When battery reaches 4.5V or so, easily lead to the oxygenolysis of electrolyte, destroys battery structure, reduce the service life of battery.
Meanwhile safety problem is the major obstacle for restricting lithium ion battery and developing to enlargement, energetic direction.In consideration of it, the property developed
High-voltage electrolyte that can be safer is extremely urgent.
Application publication number is that the patent document of CN105609875A discloses a kind of high-voltage electrolyte, in conventional electrolysis liquid
The middle acrylic acid sulfuric anhydride analog derivative that 0.1%-10% is added, acrylic acid sulfuric anhydride analog derivative pass through all kinds of electron-withdrawing groups
Synergistic effect can promote the chemical property of lithium ion battery under high voltages.
It is to improve the performance of electrolyte by the way that additive is added, and single additive can only change to study at present more
Kind performance in a certain respect, thus to the functional additive in the system research electrolyte of multifactor impact be it is extremely important and
There is an urgent need to.
Application publication number is that the patent document of CN107799822A discloses a kind of nonaqueous electrolytic solution of lithium ion battery, is led to
Overfocus hydrochlorate, fluoro carbonic ester class additive and organic nitrile additive are used in combination, and can improve the resistance to oxidation of electrolyte
Property, electrolyte wellability, hence it is evident that improve high voltage normal-temperature circulating performance, low-temperature circulating performance and high-temperature storage performance.
Application publication number is that the patent document of CN104979589A discloses a kind of high-voltage electrolyte, electric containing improving
The carboxylic acid esters solvent of pole/electrolyte interface adds by the way that bis- (propionitrile) ethers of LiBOB, fluorinated ethylene carbonate, ethylene glycol etc. are a variety of
Add the optimum organization of agent, it is ensured that high-voltage battery obtains excellent cycle performance, while being effectively improved the high temperature storage of high voltage
Performance, hence it is evident that inhibit the battery producing gas under high voltage high temperature storage.
Invention content
The purpose of the present invention is to provide a kind of lithium ion battery high-voltage electrolytes, excessively high in the prior art to improve
There is oxygenolysis in electrolyte under voltage, the case where destroying battery structure, influence the cycle performance of battery, while improving lithium ion
The safety of battery.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of lithium ion battery high-voltage electrolyte, by percentage to the quality, including：
The organic solvent is ethylene carbonate, the mixture of dimethyl carbonate and methyl ethyl carbonate or carbonic acid second
The mixture of enester, diethyl carbonate and methyl ethyl carbonate, mass ratio is 1 between three kinds of substances in mixture:1:1.
The lithium salts is LiPF6、LiBF4、LiClO4、LiAsF6, LiBOB, LiDFOB and LiPF4C2O4In at least one
Kind.Preferably, the lithium salts is LiPF6。
The film forming agent is fluorinated ethylene carbonate, in vinylene carbonate, vinylethylene carbonate, 1,3- propane sulphurs
At least one of ester.Preferably, the film forming agent is fluorinated ethylene carbonate.
Two nitrile compounds are malononitrile, succinonitrile, adiponitrile, glutaronitrile, hexamethylene dicyanide, pimelic dinitrile, 2- methylpents
At least one of dintrile, 2- methylene glutaronitriles.- the CN of two nitrile compounds be highly polar group, can inhibit anode with
Side reaction between electrolyte and thus issuable gas, improve the high-temperature storage performance of lithium ion battery；Exist simultaneously
Strong combination is formed between transiting metal surface and functional group (- CN) to improve safety.
Preferably, two nitrile compounds are succinonitrile.
The boryl anionic species compound is three (pentafluorophenyl group) boron, boric acid three (hexafluoro isopropyl) ester, trimethyl
At least one of three boroxane of ring.Boryl anionic species additive can form SEI films in anode and negative terminal surface, especially
It is in the lithium ion battery of high voltage, because boryl anion is to compare Li+Stronger lewis acid can not only enhance various
The solubility of lithium compound, and improve lithium ion transference number.In addition, boryl anion can also be by reinforcing Li+PF6-Ion
To dissociation, LiPF is improved6The thermal stability of base electrolyte, therefore boryl anion is usually added to improve following for lithium ion battery
Ring, high rate performance and security performance.
Preferably, the boryl anionic species compound is three (pentafluorophenyl group) boron.
Electric polymerization reaction occurs for cyclohexylbenzene, and micro cyclohexylbenzene forms one layer thin of conductive guarantor in positive electrode surface
Cuticula is conducive to the cycle performance of battery.
Preferably, the lithium ion battery high-voltage electrolyte, by percentage to the quality, including：
The present invention also provides a kind of application of lithium ion battery high-voltage electrolyte in preparing lithium ion battery.
A kind of lithium ion battery, including anode, cathode and the diaphragm between anode and cathode further include the lithium
Ion battery high-voltage electrolyte.
The lithium ion battery is lithium-rich manganese-based system, preferably, the structural formula of the active material of the anode is
Li1.2Mn0.54Ni0.13Co0.13O2。
The advantageous effect that the present invention has：
The present invention in lithium-ion battery electrolytes simultaneously be added two nitriles, boryl anionic species, cyclohexylbenzene, three kinds
Additive is simultaneously using generation synergistic effect so that lithium-rich manganese base material has excellent cycle under the conditions of high voltage (4.8V)
Performance, high rate performance, security performance.
Description of the drawings
Fig. 1 is the Li of embodiment 1 and comparative example 1-4 assemblings1.2Mn0.54Ni0.13Co0.13O2The cycle performance of/Li half-cells.
Fig. 2 is the Li of embodiment 1 and comparative example 1-4 assemblings1.2Mn0.54Ni0.13Co0.13O2The high rate performance of/Li half-cells
Curve.
Specific implementation mode
With reference to embodiment, the invention will be further described.
Embodiment 1
Prepare electrolyte in argon gas glove box, the argon gas for being 99.999% full of purity in glove box, water in glove box
For sub-control system in≤5ppm, temperature is room temperature.By ethylene carbonate, dimethyl carbonate and methyl ethyl carbonate according to mass ratio 1:1:1
It is mixed, is then slowly added to 1.2mol/L LiPF in the mixed solvent6, after lithium salts is completely dissolved, it is sequentially added into
10wt%FEC, 3wt% succinonitrile, (pentafluorophenyl group) boron of 1wt% tri- and 0.1wt% cyclohexylbenzenes obtain after evenly mixing
Electrolyte in embodiment 1.
Comparative example 1
Prepare electrolyte in argon gas glove box, the argon gas for being 99.999% full of purity in glove box, water in glove box
For sub-control system in≤5ppm, temperature is room temperature.By ethylene carbonate, dimethyl carbonate and methyl ethyl carbonate according to mass ratio 1:1:1
It is mixed, is then slowly added to 1.2mol/L LiPF in the mixed solvent6, after lithium salts is completely dissolved, it is added 10wt%'s
FEC obtains the electrolyte in comparative example 1 after evenly mixing.
Comparative example 2
Prepare electrolyte in argon gas glove box, the argon gas for being 99.999% full of purity in glove box, water in glove box
For sub-control system in≤5ppm, temperature is room temperature.By ethylene carbonate, dimethyl carbonate and methyl ethyl carbonate according to mass ratio 1:1:1
It is mixed, is then slowly added to 1.2mol/L LiPF in the mixed solvent6, after lithium salts is completely dissolved, it is sequentially added into
10wt%FEC and 3wt% succinonitrile obtains the electrolyte in comparative example 2 after evenly mixing.
Comparative example 3
Prepare electrolyte in argon gas glove box, the argon gas for being 99.999% full of purity in glove box, water in glove box
For sub-control system in≤5ppm, temperature is room temperature.By ethylene carbonate, dimethyl carbonate and methyl ethyl carbonate according to mass ratio 1:1:1
It is mixed, is then slowly added to 1.2mol/L LiPF in the mixed solvent6, after lithium salts is completely dissolved, it is sequentially added into
10wt%FEC and 1wt% tri- (pentafluorophenyl group) boron obtain the electrolyte in comparative example 3 after evenly mixing.
Comparative example 4
Prepare electrolyte in argon gas glove box, the argon gas for being 99.999% full of purity in glove box, water in glove box
For sub-control system in≤5ppm, temperature is room temperature.By ethylene carbonate, dimethyl carbonate and methyl ethyl carbonate according to mass ratio 1:1:1
It is mixed, is then slowly added to 1.2mol/L LiPF in the mixed solvent6, after lithium salts is completely dissolved, it is sequentially added into
10wt%FEC and 0.1wt% cyclohexylbenzenes obtain the electrolyte in comparative example 4 after evenly mixing.
Application examples
The battery being assembled into the electrolyte prepared in embodiment 1 and comparative example 1-4 is tested for the property：
Assembled battery model CR2302 button cells carry out the charge-discharge test of battery.It uses
Li1.2Mn0.54Ni0.13Co0.13O2As anode, Li assembles Li as cathode1.2Mn0.54Ni0.13Co0.13O2/ Li half-cells, room temperature
Under the conditions of test half-cell cycle and high rate performance.
Fig. 1 is cycle performance test of the positive electrode in electrolyte prepared by comparative example 1-4 and embodiment 1.As a result it shows
Show that three kinds of two nitrile additive of hydroxyl, boryl anionic species additive and cyclohexylbenzene additives are used in conjunction with the electrolysis of preparation
The Li of liquid (embodiment 1) assembling1.2Mn0.54Ni0.13Co0.13O2/ Li half-cell 1C/1C rate charge-discharges recycle 100 weeks capacity and protect
Holdup is 90% or more, hence it is evident that is higher than comparative example 1-4.
Fig. 2 is high rate performance test of the positive electrode in electrolyte prepared by comparative example 1-4 and embodiment 1.As a result it shows
Show that three kinds of two nitrile additive of hydroxyl, boryl anionic species additive and cyclohexylbenzene additives are used in conjunction with the electrolysis of preparation
The Li of liquid (embodiment 1) assembling1.2Mn0.54Ni0.13Co0.13O2Charge and discharge under/Li half-cell 3C/3C and 5C/5C multiplying powers, electric discharge
Specific capacity is up to 168mAh/g and 123mAh/g, and compared with comparative example 1-4, high rate performance has also obtained apparent improvement.
From in Fig. 1 and Fig. 2 as can be seen that the electrolyte of the present invention is tied up to compared with having high electric discharge to hold under high charge-discharge voltage
Amount, good normal-temperature circulating performance and high rate performance.
The foregoing is merely the specific implementation cases of patent of the present invention, but the technical characteristic of patent of the present invention is not limited to
This, any those skilled in the relevant art in the field of the invention, made by changes or modifications all cover the present invention it is special
Among sharp range.
Claims (9)
1. a kind of lithium ion battery high-voltage electrolyte, which is characterized in that by percentage to the quality, including：
2. lithium ion battery high-voltage electrolyte as described in claim 1, which is characterized in that the organic solvent is carbonic acid
Vinyl acetate, the mixture or ethylene carbonate of dimethyl carbonate and methyl ethyl carbonate, diethyl carbonate and methyl ethyl carbonate
Mixture, mass ratio is 1 between three kinds of substances in mixture:1:1.
3. lithium ion battery high-voltage electrolyte as described in claim 1, which is characterized in that the lithium salts is LiPF6、
LiBF4、LiClO4、LiAsF6, LiBOB, LiDFOB and LiPF4C2O4At least one of.
4. lithium ion battery high-voltage electrolyte as described in claim 1, which is characterized in that the film forming agent is fluoro carbon
At least one of vinyl acetate, vinylene carbonate, vinylethylene carbonate, 1,3-propane sultone.
5. lithium ion battery high-voltage electrolyte as described in claim 1, which is characterized in that two nitrile compounds are third
At least one in dintrile, succinonitrile, adiponitrile, glutaronitrile, hexamethylene dicyanide, pimelic dinitrile, 2- methyl cellosolve acetate glutaronitriles, 2- methylene glutaronitriles
Kind.
6. lithium ion battery high-voltage electrolyte as described in claim 1, which is characterized in that the boryl anionic species
Conjunction object is at least one of three (pentafluorophenyl group) boron, boric acid three (hexafluoro isopropyl) ester, three boroxane of front three basic ring.
7. lithium ion battery high-voltage electrolyte as described in claim 1, which is characterized in that by percentage to the quality, including：
8. a kind of lithium ion battery, including anode, cathode and the diaphragm between anode and cathode, which is characterized in that also wrap
It includes such as claim 1-7 any one of them lithium ion battery high-voltage electrolytes.
9. lithium ion battery as claimed in claim 8, which is characterized in that the structural formula of the active material of the anode is
Li1.2Mn0.54Ni0.13Co0.13O2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398325.8A CN108682889A (en) | 2018-04-28 | 2018-04-28 | A kind of lithium ion battery high-voltage electrolyte and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398325.8A CN108682889A (en) | 2018-04-28 | 2018-04-28 | A kind of lithium ion battery high-voltage electrolyte and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108682889A true CN108682889A (en) | 2018-10-19 |
Family
ID=63802584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810398325.8A Pending CN108682889A (en) | 2018-04-28 | 2018-04-28 | A kind of lithium ion battery high-voltage electrolyte and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108682889A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659615A (en) * | 2018-12-20 | 2019-04-19 | 河南电池研究院有限公司 | Match the lithium-ion battery electrolytes of silicon-carbon cathode material and its battery of preparation |
| CN111446501A (en) * | 2020-04-08 | 2020-07-24 | 青岛滨海学院 | Electrolyte containing-F and-B two-group compound and electrochemical device thereof |
| CN112751084A (en) * | 2020-12-30 | 2021-05-04 | 珠海冠宇电池股份有限公司 | Non-aqueous electrolyte for lithium ion battery and lithium ion battery comprising same |
| CN113594544A (en) * | 2021-07-02 | 2021-11-02 | 安徽天时新能源科技有限公司 | Electrolyte for low-temperature lithium battery and preparation method thereof |
| CN113823841A (en) * | 2021-10-29 | 2021-12-21 | 湖南法恩莱特新能源科技有限公司 | Electrolyte and preparation method and application thereof |
| CN114400379A (en) * | 2022-01-20 | 2022-04-26 | 湖南科技大学 | Preparation method of high-safety high-voltage electrolyte containing nitrile compounds |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170016A (en) * | 2010-02-26 | 2011-08-31 | 三洋电机株式会社 | Non-aqueous electrolyte secondary cell |
| CN104868162A (en) * | 2015-06-02 | 2015-08-26 | 哈尔滨工业大学 | Electrolyte capable of improving positive surface film of high-pressure cathode material |
| CN105580189A (en) * | 2013-09-26 | 2016-05-11 | 三菱化学株式会社 | Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same |
| CN105591158A (en) * | 2016-03-21 | 2016-05-18 | 东莞市杉杉电池材料有限公司 | Ternary cathode material lithium ion battery and electrolyte thereof |
| CN106159330A (en) * | 2016-10-08 | 2016-11-23 | 东莞市凯欣电池材料有限公司 | A kind of PC base high-voltage electrolyte and a kind of lithium ion battery |
| CN106887641A (en) * | 2017-01-09 | 2017-06-23 | 北京鼎能开源电池科技股份有限公司 | A kind of ternary battery Overcharge prevention electrolyte and preparation method thereof |
| CN107768719A (en) * | 2017-10-18 | 2018-03-06 | 东莞市杉杉电池材料有限公司 | A kind of lithium-ion battery electrolytes and lithium ion battery |
-
2018
- 2018-04-28 CN CN201810398325.8A patent/CN108682889A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170016A (en) * | 2010-02-26 | 2011-08-31 | 三洋电机株式会社 | Non-aqueous electrolyte secondary cell |
| CN105580189A (en) * | 2013-09-26 | 2016-05-11 | 三菱化学株式会社 | Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same |
| CN104868162A (en) * | 2015-06-02 | 2015-08-26 | 哈尔滨工业大学 | Electrolyte capable of improving positive surface film of high-pressure cathode material |
| CN105591158A (en) * | 2016-03-21 | 2016-05-18 | 东莞市杉杉电池材料有限公司 | Ternary cathode material lithium ion battery and electrolyte thereof |
| CN106159330A (en) * | 2016-10-08 | 2016-11-23 | 东莞市凯欣电池材料有限公司 | A kind of PC base high-voltage electrolyte and a kind of lithium ion battery |
| CN106887641A (en) * | 2017-01-09 | 2017-06-23 | 北京鼎能开源电池科技股份有限公司 | A kind of ternary battery Overcharge prevention electrolyte and preparation method thereof |
| CN107768719A (en) * | 2017-10-18 | 2018-03-06 | 东莞市杉杉电池材料有限公司 | A kind of lithium-ion battery electrolytes and lithium ion battery |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659615A (en) * | 2018-12-20 | 2019-04-19 | 河南电池研究院有限公司 | Match the lithium-ion battery electrolytes of silicon-carbon cathode material and its battery of preparation |
| CN111446501A (en) * | 2020-04-08 | 2020-07-24 | 青岛滨海学院 | Electrolyte containing-F and-B two-group compound and electrochemical device thereof |
| CN112751084A (en) * | 2020-12-30 | 2021-05-04 | 珠海冠宇电池股份有限公司 | Non-aqueous electrolyte for lithium ion battery and lithium ion battery comprising same |
| CN113594544A (en) * | 2021-07-02 | 2021-11-02 | 安徽天时新能源科技有限公司 | Electrolyte for low-temperature lithium battery and preparation method thereof |
| CN113594544B (en) * | 2021-07-02 | 2024-04-12 | 重庆毅达智能装备有限公司 | Electrolyte for low-temperature lithium battery and preparation method thereof |
| CN113823841A (en) * | 2021-10-29 | 2021-12-21 | 湖南法恩莱特新能源科技有限公司 | Electrolyte and preparation method and application thereof |
| CN113823841B (en) * | 2021-10-29 | 2023-11-28 | 湖南法恩莱特新能源科技有限公司 | Electrolyte and preparation method and application thereof |
| CN114400379A (en) * | 2022-01-20 | 2022-04-26 | 湖南科技大学 | Preparation method of high-safety high-voltage electrolyte containing nitrile compounds |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103401020B (en) | A kind of high-voltage lithium-ion battery electrolyte | |
| CN108682889A (en) | A kind of lithium ion battery high-voltage electrolyte and its application | |
| CN109546219A (en) | A kind of lithium-ion battery electrolytes and the lithium ion battery using the electrolyte | |
| CN109473713A (en) | A kind of high-voltage electrolyte for taking into account high temperature performance and the lithium ion battery using the electrolyte | |
| CN104269576B (en) | A kind of electrolyte and the lithium ion battery using the electrolyte | |
| CN108321434A (en) | A kind of high-voltage lithium-ion battery electrolyte | |
| CN106058316A (en) | High-nickel ternary lithium ion power battery electrolyte and high-nickel ternary lithium ion power battery | |
| CN112670577B (en) | Electrolyte, preparation method thereof and lithium ion battery | |
| CN105428719A (en) | High-voltage wide-temperature lithium ion battery electrolyte, preparation method therefor and applications | |
| CN109346760A (en) | A kind of electrolyte and high-voltage lithium ion batteries of high-voltage lithium ion batteries | |
| CN108666623A (en) | A kind of electrolyte of high-voltage lithium ion batteries | |
| CN104103852A (en) | Nonaqueous electrolyte of high-voltage lithium battery | |
| CN107017432A (en) | Nonaqueous electrolytic solution and lithium ion battery | |
| CN105680088A (en) | Non-aqueous electrolyte solution for high-voltage lithium ion secondary battery and high-voltage lithium ion secondary battery | |
| CN106159330A (en) | A kind of PC base high-voltage electrolyte and a kind of lithium ion battery | |
| CN105390742A (en) | High-voltage lithium-ion battery electrolyte as well as preparation method and application thereof | |
| CN103779604B (en) | Lithium rechargeable battery and electrolyte thereof | |
| CN109346771A (en) | A kind of lithium ion battery high-voltage electrolyte and lithium ion battery | |
| CN106159329B (en) | A kind of lithium titanate battery electrolyte and lithium titanate battery | |
| CN103165939A (en) | High voltage electrolyte of lithium ion battery | |
| CN102593513A (en) | Lithium ion secondary battery and electrolyte thereof | |
| CN105140558A (en) | High-pressure electrolyte of lithium ion battery and preparation method thereof | |
| CN105261791A (en) | Ultra-temperature high-voltage lithium-ion battery electrolyte and lithium-ion battery using electrolyte | |
| CN108270034A (en) | A kind of lithium-ion battery electrolytes | |
| CN102569880A (en) | Lithium-ion secondary battery and electrolyte thereof as well as application of amides polymer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 313100, No. 18, Qiao Qiao Road, Changxing County painting industrial park, Zhejiang, Huzhou Applicant after: Tianneng Shuai Fude Energy Co., Ltd Address before: 313100, No. 18, Qiao Qiao Road, Changxing County painting industrial park, Zhejiang, Huzhou Applicant before: Zhejiang energy energy Polytron Technologies Inc |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
|
| RJ01 | Rejection of invention patent application after publication |