CN106654352A - Lithium battery based on new electrolyte - Google Patents
Lithium battery based on new electrolyte Download PDFInfo
- Publication number
- CN106654352A CN106654352A CN201611023884.8A CN201611023884A CN106654352A CN 106654352 A CN106654352 A CN 106654352A CN 201611023884 A CN201611023884 A CN 201611023884A CN 106654352 A CN106654352 A CN 106654352A
- Authority
- CN
- China
- Prior art keywords
- battery based
- lino3
- lithium battery
- salt
- inorganic
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 239000003792 electrolyte Substances 0.000 title claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 37
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 15
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 15
- 239000000654 additive Substances 0.000 claims abstract description 10
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 10
- 239000011147 inorganic material Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- 239000003960 organic solvent Substances 0.000 claims abstract description 5
- BDUPRNVPXOHWIL-UHFFFAOYSA-N dimethyl sulfite Chemical compound COS(=O)OC BDUPRNVPXOHWIL-UHFFFAOYSA-N 0.000 claims description 14
- 229920000379 polypropylene carbonate Polymers 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000002845 discoloration Methods 0.000 claims description 4
- 239000008151 electrolyte solution Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011255 nonaqueous electrolyte Substances 0.000 abstract description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 abstract 1
- 150000001336 alkenes Chemical class 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a lithium battery based on a new electrolyte. The lithium battery based on the new electrolyte comprises a shell, a positive terminal, a negative terminal, a positive plate, a negative plate, a non-aqueous electrolyte and a diaphragm, and is characterized in that the diaphragm comprises an inorganic material layer and a polyethylene layer arranged on both sides of the inorganic material layer, the non-aqueous electrolyte comprises an organic solvent, electrolyte salt and an additive, the additive comprises LiNO3 inorganic lithium salt, propylene carbonate and DMS. The battery disclosed by the invention is high in strength, large in capacity and good in cycle performances.
Description
Technical field
The present invention relates to field of batteries, and in particular to a kind of lithium battery based on novel electrolyte.
Background technology
With the breakthrough and development of technology, lithium battery due to it is lightweight, pollute numerous advantage such as little gradually very
It is multi-field to be substituted lead-acid battery, but also there are many needs in fields such as battery strength, high electric power storage, deeper cavities and overcome
Problem.
The content of the invention
Goal of the invention：It is contemplated that overcoming the defect of prior art, there is provided a kind of lithium battery based on novel electrolyte.
Technical scheme：A kind of lithium battery based on novel electrolyte, including it is shell, positive terminal, negative terminal, positive plate, negative
Pole plate, nonaqueous electrolytic solution and barrier film, the barrier film includes inorganic material layer and the polyethylene layer for being arranged on inorganic material layer both sides,
The nonaqueous electrolytic solution includes organic solvent, electrolytic salt and additive, and the additive includes inorganic lithium salt, the carbon of LiNO3
Sour allylidene ester and dimethyl sulfite DMS.
Further, the polyethylene layer is externally provided with the first reinforcement, and the shell is externally provided with the second reinforcement.
Further, the outer shell outer wall is additionally provided with heat discoloration coating area.
Further, the weight hundred of the inorganic lithium salt of the LiNO3, polypropylene carbonate alkene ester and dimethyl sulfite DMS
Point ratio is：
The inorganic lithium salt 0.1%-2.0% of LiNO3
Polypropylene carbonate alkene ester 0.5%-3.0%
Dimethyl sulfite DMS1.0%-3.0%.
Further, the weight hundred of the inorganic lithium salt of the LiNO3, polypropylene carbonate alkene ester and dimethyl sulfite DMS
Point ratio is：
The inorganic lithium salt 0.1 of LiNO3
Polypropylene carbonate alkene ester 0.5
Dimethyl sulfite DMS1.0%.
Beneficial effect：The accumulator housing of the present invention and big every film strength, and good cycle, capacity is big.
Specific embodiment
Embodiment 1
A kind of lithium battery based on novel electrolyte, including it is shell, positive terminal, negative terminal, positive plate, negative plate, non-aqueous
Electrolyte and barrier film, the barrier film includes inorganic material layer and is arranged on the polyethylene layer of inorganic material layer both sides, described non-aqueous
Electrolyte includes organic solvent, electrolytic salt and additive, and the additive includes inorganic lithium salt, the polypropylene carbonate alkene of LiNO3
Ester and dimethyl sulfite DMS.The polyethylene layer is externally provided with the first reinforcement, and the shell is externally provided with the second reinforcement.
The outer shell outer wall is additionally provided with heat discoloration coating area.The inorganic lithium salt of the LiNO3, polypropylene carbonate alkene ester and dimethyl are sub-
The percentage by weight of sulfuric ester DMS is：The inorganic lithium salt 0.1% of LiNO3；Polypropylene carbonate alkene ester 0.5%；Dimethyl sulfite
DMS1.0%.
Embodiment 2
A kind of lithium battery based on novel electrolyte, including it is shell, positive terminal, negative terminal, positive plate, negative plate, non-aqueous
Electrolyte and barrier film, the barrier film includes inorganic material layer and is arranged on the polyethylene layer of inorganic material layer both sides, described non-aqueous
Electrolyte includes organic solvent, electrolytic salt and additive, and the additive includes inorganic lithium salt, the polypropylene carbonate alkene of LiNO3
Ester and dimethyl sulfite DMS.The polyethylene layer is externally provided with the first reinforcement, and the shell is externally provided with the second reinforcement.
The outer shell outer wall is additionally provided with heat discoloration coating area.The inorganic lithium salt of the LiNO3, polypropylene carbonate alkene ester and dimethyl are sub-
The percentage by weight of sulfuric ester DMS is：The inorganic lithium salt 2.0% of LiNO3；Polypropylene carbonate alkene ester 3.0%；Dimethyl sulfite
DMS3.0%.
The accumulator housing and barrier film of the present invention is all provided with reinforcement, therefore intensity is big, even if in the feelings of thump
Use under condition, it is also possible to firmly use for a long time, and as a result of the electrolyte of above-mentioned special construction, cycle performance of battery
Good, battery capacity is big.
Although the present invention is illustrated with regard to preferred implementation and has been described, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (5)
1. a kind of lithium battery based on novel electrolyte, including shell, positive terminal, negative terminal, positive plate, negative plate, non-water power
Solution liquid and barrier film, it is characterised in that the barrier film includes inorganic material layer and the polyethylene layer for being arranged on inorganic material layer both sides,
The nonaqueous electrolytic solution includes organic solvent, electrolytic salt and additive, and the additive includes inorganic lithium salt, the carbon of LiNO3
Sour allylidene ester and dimethyl sulfite DMS.
2. the lithium battery based on novel electrolyte according to claim 1, it is characterised in that the polyethylene layer is externally provided with
First reinforcement, the shell is externally provided with the second reinforcement.
3. the lithium battery based on novel electrolyte according to claim 1, it is characterised in that the outer shell outer wall is additionally provided with
Heat discoloration coating area.
4. the lithium battery based on novel electrolyte according to claim 1, it is characterised in that the inorganic lithium of the LiNO3
The percentage by weight of salt, polypropylene carbonate alkene ester and dimethyl sulfite DMS is：
The inorganic lithium salt 0.1%-2.0% of LiNO3
Polypropylene carbonate alkene ester 0.5%-3.0%
Dimethyl sulfite DMS1.0%-3.0%.
5. the lithium battery based on novel electrolyte according to claim 1, it is characterised in that the inorganic lithium of the LiNO3
The percentage by weight of salt, polypropylene carbonate alkene ester and dimethyl sulfite DMS is：
The inorganic lithium salt 0.1 of LiNO3
Polypropylene carbonate alkene ester 0.5
Dimethyl sulfite DMS1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023884.8A CN106654352A (en) | 2016-11-14 | 2016-11-14 | Lithium battery based on new electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023884.8A CN106654352A (en) | 2016-11-14 | 2016-11-14 | Lithium battery based on new electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654352A true CN106654352A (en) | 2017-05-10 |
Family
ID=58807538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611023884.8A Pending CN106654352A (en) | 2016-11-14 | 2016-11-14 | Lithium battery based on new electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654352A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020007980A1 (en) * | 2018-07-04 | 2020-01-09 | Kemijski Institut | Silylated cellulose based interfacial protective layer on a lithium surface |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1091432A2 (en) * | 1999-10-08 | 2001-04-11 | Matsushita Electric Industrial Co., Ltd. | Structure for electrode terminals of battery module |
| CN1964123A (en) * | 2005-11-10 | 2007-05-16 | 比亚迪股份有限公司 | A non-aqueous electrolyte for lithium cell |
| CN202395485U (en) * | 2011-12-22 | 2012-08-22 | 莫少坚 | Heat-discoloration charging equipment |
| CN103427111A (en) * | 2013-08-27 | 2013-12-04 | 昆明理工大学 | Lithium-ion energy storage battery and manufacturing method thereof |
| CN203553256U (en) * | 2013-10-23 | 2014-04-16 | 深圳市冠力新材料有限公司 | Lithium battery diaphragm |
-
2016
- 2016-11-14 CN CN201611023884.8A patent/CN106654352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1091432A2 (en) * | 1999-10-08 | 2001-04-11 | Matsushita Electric Industrial Co., Ltd. | Structure for electrode terminals of battery module |
| CN1964123A (en) * | 2005-11-10 | 2007-05-16 | 比亚迪股份有限公司 | A non-aqueous electrolyte for lithium cell |
| CN202395485U (en) * | 2011-12-22 | 2012-08-22 | 莫少坚 | Heat-discoloration charging equipment |
| CN103427111A (en) * | 2013-08-27 | 2013-12-04 | 昆明理工大学 | Lithium-ion energy storage battery and manufacturing method thereof |
| CN203553256U (en) * | 2013-10-23 | 2014-04-16 | 深圳市冠力新材料有限公司 | Lithium battery diaphragm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020007980A1 (en) * | 2018-07-04 | 2020-01-09 | Kemijski Institut | Silylated cellulose based interfacial protective layer on a lithium surface |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
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| WD01 | Invention patent application deemed withdrawn after publication |