CN109411804A - A kind of manufacturing method of mine anti-explosion lithium ion battery - Google Patents
A kind of manufacturing method of mine anti-explosion lithium ion battery Download PDFInfo
- Publication number
- CN109411804A CN109411804A CN201710707125.1A CN201710707125A CN109411804A CN 109411804 A CN109411804 A CN 109411804A CN 201710707125 A CN201710707125 A CN 201710707125A CN 109411804 A CN109411804 A CN 109411804A
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- Prior art keywords
- lithium
- ion battery
- diaphragm
- lithium ion
- explosion
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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
-
- 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
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention relates to a kind of manufacturing methods of mine anti-explosion lithium ion battery, it is positive plate, diaphragm and negative electrode tab successively to be wound or are superimposed the pole group constituted to be assembled into battery, it is ceramic diaphragm, cathode using graphite that wherein anode, which uses layered lithium manganate, diaphragm, electrolyte uses EC (ethylene carbonate)/PC (propene carbonate)/DMC (dimethyl carbonate) composite electrolyte using LiBOB, effectively improve lithium-ion safe, not combustion explosion under the extreme conditions such as battery pierces in short circuit, needle, overcharges, squeezing, thermal shock.
Description
Technical field
The present invention relates to field of chemical power source, and in particular to a kind of mine anti-explosion lithium ion battery manufacturing method.
Background technique
Lithium ion battery is due to having and having been widely used with high-energy-density characteristic, in consumer electronics, electric vehicle, electronic
The fields such as tool, energy storage are widely popularized and are used, in mining field, lithium ion battery as mine lamp, mining instrument and meter,
The driving powers such as mine locomotive have obtained more and more concerns and exploration application, due to the particularity of mining environment, lithium from
Sub- battery is required to be made into intrinsic safety power supply, requires explosion phenomenon on fire do not occur in extreme circumstances.Traditional lithium-ion battery
The safety issues such as explosion on fire easily occur under the extreme conditions such as super-charge super-discharge, extruding, collision, heating.
The present invention produces a kind of anti-explosion lithium ion battery by using modified lithium manganate, ceramic diaphragm and graphite, the electricity
Pond can short circuit, needle pierce, overcharge, squeezing, not combustion explosion under the extreme conditions such as thermal shock.
Summary of the invention
The purpose of the present invention is to provide a kind of mine anti-explosion lithium ion batteries.
The technical scheme is that a kind of lithium comprising being received electrode group in a reservoir together with organic electrolyte
Ion battery.The electrode group is formed by winding or being superimposed positive plate, diaphragm and negative electrode tab, and the positive plate uses LiMn2O4
Electrode, diaphragm are ceramic diaphragm, negative electrode tab using graphite electrode；Contain certain proportion lithium phosphate, pottery in the mangaic acid lithium electrode
Porcelain diaphragm contains zr element.
According to the above method, the positive active material of positive plate is layered lithium manganate, and lithium phosphate is evenly distributed on Layered Manganese
Sour lithium surface, the mass percent that lithium phosphate accounts for LiMn2O4 is 0.5%~3%.
According to the above method, ceramic diaphragm is the PP/PE composite membrane of surface even application Zirconium dioxide powder, zirconium dioxide
Coating layer thickness is 1.5~3.5 μm, and zirconium dioxide partial size is 1~5nm.
According to the above method, electrolyte uses EC (ethylene carbonate)/PC (propene carbonate)/DMC (carbonic acid of LiBOB
Dimethyl ester) composite electrolyte, wherein the concentration range of solute LiBOB is 0.5mol/L~2mol/L, EC, PC and DMC in solvent
Volume ratio be 1:2:1.
The beneficial effects of the present invention are: lithium ion battery according to the present invention, compared with the past will not reduce the appearance of battery
Amount, can greatly improve the security performance of battery by the synergistic action effect of each component, in short circuit, needle thorn, mistake
It fills, squeeze, not combustion explosion under the extreme conditions such as thermal shock.
Specific embodiment
A. positive plate makes
By stratiform LiMn2O4With Li3PO4It is ground to obtain active material after mixing in specific proportions.Positive electrode
(LiMn in proportion2O4With Li3PO4Mixed active material: Super P:PVDF=93:4:3) mixing, with NMP (NMP: solids
Matter weight=810:1500) it is mixed, anode sizing agent viscosity is controlled in 6000cps.Anode sizing agent is uniformly coated
In aluminium foil surface, drying rolls, is cropped to the technological parameter of design and is fabricated to positive plate.
B. negative electrode tab makes
Negative electrode material is mixed in proportion (C:Super P:SBR:CMC=94:1:2.5:2.5), with H2O(H2O: solids
Matter weight=1600:1420) it is mixed, negative electrode slurry viscosity is controlled in 5000~6000cps.Negative electrode slurry is uniform
Be coated in copper foil surface, drying rolls, is cropped to the technological parameter of design and be fabricated to negative electrode tab.
C. electrolyte configures
LiBOB, EC (ethylene carbonate), PC (propene carbonate) and DMC (dimethyl carbonate) are mixed, LiBOB is made
Organic solution, when mixing, the solute LiBOB of 0.5mol/L~2mol/L is contained according to every liter of electrolyte, in solvent EC, PC and
The volume ratio of DMC is 1:2:1.
D. the assembling of lithium ion battery
By the positive plate, diaphragm, negative electrode tab of acquisition in such a way that diaphragm is between positive plate and negative electrode tab helical form
Ground winds poling group, pole is assembled into aluminum plastic film, PL853547 type 3.7V1200mAh battery is made, then injected into battery case
Configured electrolyte, then seals battery case, that is, completes the assembling of lithium ion battery.
E. the chemical conversion of battery and the test of security performance
Fertilizer alleviant:
A) 0.2C electric current constant-current charge turns 4.2V constant-voltage charge to electric current 10mA to 4.2V
B) 30min is shelved
C) 0.5C constant-current discharge is to 2.75V
D) 0.2C electric current constant-current charge turns 4.2V constant-voltage charge to electric current 10mA to 4.2V
E) 30min is shelved
F) 1C constant-current discharge is to 2.75V
Security test system:
According to People's Republic of China's coal industry standard " mine lamp lithium-ions battery " (standard No.: MT/T 1051-
2007) it provides, test battery extrusion, thermal shock, overcharge, forced electric discharge, short circuit, needle thorn, heavy impact security performance.
Test result:
The present invention is not limited to the embodiment of above-mentioned embodiment, this field inspiration according to the present invention is not departed from
The improvement and modification that scope of the invention is made all should be within the scope of the present invention.
Claims (4)
1. a kind of manufacturing method of mine anti-explosion lithium ion battery, it is that positive plate, diaphragm and negative electrode tab are successively wound or folded
Add the pole group of composition, which is characterized in that it is ceramic diaphragm, negative electrode tab using graphite electricity that positive plate, which uses mangaic acid lithium electrode, diaphragm,
Pole；Contain certain proportion lithium phosphate in the mangaic acid lithium electrode, ceramic diaphragm contains zr element.
2. a kind of manufacturing method of mine anti-explosion lithium ion battery according to claim 1, which is characterized in that positive plate
Positive active material is layered lithium manganate, and lithium phosphate is evenly distributed on layered lithium manganate surface, and lithium phosphate accounts for the quality of LiMn2O4
Percentage is 0.5%~3%.
3. a kind of manufacturing method of mine anti-explosion lithium ion battery according to claim 1, which is characterized in that ceramic diaphragm
For the PP/PE composite membrane of surface even application Zirconium dioxide powder, zirconia coating is with a thickness of 1.5~3.5 μm, zirconium dioxide
Partial size is 1~5nm.
4. a kind of manufacturing method of mine anti-explosion lithium ion battery according to claim 1, which is characterized in that electrolyte is adopted
With EC (ethylene carbonate)/PC (propene carbonate)/DMC (dimethyl carbonate) composite electrolyte of LiBOB, wherein solute
The concentration range of LiBOB is 0.5mol/L~2mol/L, and the volume ratio of EC, PC and DMC are 1:2:1 in solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707125.1A CN109411804A (en) | 2017-08-17 | 2017-08-17 | A kind of manufacturing method of mine anti-explosion lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707125.1A CN109411804A (en) | 2017-08-17 | 2017-08-17 | A kind of manufacturing method of mine anti-explosion lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109411804A true CN109411804A (en) | 2019-03-01 |
Family
ID=65454896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707125.1A Withdrawn CN109411804A (en) | 2017-08-17 | 2017-08-17 | A kind of manufacturing method of mine anti-explosion lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109411804A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2770107Y (en) * | 2004-09-01 | 2006-04-05 | 哈尔滨光宇电源股份有限公司 | Lithium ion secondary battery |
| CN104681816A (en) * | 2013-11-28 | 2015-06-03 | 河南科隆新能源有限公司 | Lithium-manganese-oxide-based positive electrode active material and preparation method thereof |
| CN104810516A (en) * | 2014-07-15 | 2015-07-29 | 万向A一二三系统有限公司 | Lithium ion battery with improved low temperature charge and discharge performances |
| CN105261740A (en) * | 2015-11-24 | 2016-01-20 | 宁德新能源科技有限公司 | Lithium battery cathode material, preparation method thereof and lithium battery including same |
| CN105406007A (en) * | 2015-11-05 | 2016-03-16 | 中国科学院青岛生物能源与过程研究所 | High-voltage resistant composite membrane ceramic coating of lithium ion battery, composite membrane composed of same, and preparation method and application of composite membrane |
| CN105514326A (en) * | 2015-01-16 | 2016-04-20 | 万向A一二三系统有限公司 | Composite separator and power lithium titanate battery containing composite separator |
-
2017
- 2017-08-17 CN CN201710707125.1A patent/CN109411804A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2770107Y (en) * | 2004-09-01 | 2006-04-05 | 哈尔滨光宇电源股份有限公司 | Lithium ion secondary battery |
| CN104681816A (en) * | 2013-11-28 | 2015-06-03 | 河南科隆新能源有限公司 | Lithium-manganese-oxide-based positive electrode active material and preparation method thereof |
| CN104810516A (en) * | 2014-07-15 | 2015-07-29 | 万向A一二三系统有限公司 | Lithium ion battery with improved low temperature charge and discharge performances |
| CN105514326A (en) * | 2015-01-16 | 2016-04-20 | 万向A一二三系统有限公司 | Composite separator and power lithium titanate battery containing composite separator |
| CN105406007A (en) * | 2015-11-05 | 2016-03-16 | 中国科学院青岛生物能源与过程研究所 | High-voltage resistant composite membrane ceramic coating of lithium ion battery, composite membrane composed of same, and preparation method and application of composite membrane |
| CN105261740A (en) * | 2015-11-24 | 2016-01-20 | 宁德新能源科技有限公司 | Lithium battery cathode material, preparation method thereof and lithium battery including same |
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Application publication date: 20190301 |