CN205900715U - Fill soon, put soon, long -lived lithium ion power batteries - Google Patents
Fill soon, put soon, long -lived lithium ion power batteries Download PDFInfo
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- CN205900715U CN205900715U CN201620680565.3U CN201620680565U CN205900715U CN 205900715 U CN205900715 U CN 205900715U CN 201620680565 U CN201620680565 U CN 201620680565U CN 205900715 U CN205900715 U CN 205900715U
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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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- 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
Abstract
The utility model discloses a fill soon, put soon, long -lived lithium ion power batteries, power battery is including positive pole, negative pole, diaphragm paper, electrolyte, soft -packing shell and utmost point ear, the anodal mass flow body is the copper foil for the mass flow body of aluminium foil, negative pole, the two sides of aluminium foil and copper foil all is provided with the coating, anodal both sides are provided with the lithium iron phosphate coating, the both sides of negative pole are provided with compound graphite coating, diaphragm paper is one -course PE material, and diaphragm paper's both sides all are provided with the coating. The utility model provides a battery is under the condition of ensureing the safe handling, and charging current is 4C3A (can be full of in 15 minutes promptly), and discharge current is 6C3A (10 minutes promptly can put completely), discharge current >= 15C3A (sustainable 20 seconds of discharge time ) in the twinkling of an eye, cycle life >= 5000 times (80%DOD).
Description
Technical field
The present invention relates to lithium-ion-power cell field and in particular to one kind fill soon, put soon, long-lived lithium-ion-power cell
And preparation method thereof.
Background technology
It is known that current human society will be faced with the awkward predicament of sternness on way forward: non-renewable
Fossil fuel reserves are limited, and will gradually move towards exhausted, and the storm of energy crisis will grow in intensity；Excessively the opening of fossil fuel
Adopt and use in a large number, cause the severe contamination of environment for human survival and the notable destruction of the ecological balance.Therefore, countries in the world
Knowledgeable people studies reproducible new energy field, and the Strategic Measure of the searching energy security of every possible means positive, greatly
Power develops other clean energy resourcies contained between solar energy, wind energy, biomass energy, water power, nuclear power, Hydrogen Energy and universe, and extremely
Pay attention to research and development, apply advanced energy storage and Transmission system.
New-energy automobile is the importance of new forms of energy application, storage and Transmission system.The current new-energy automobile of China is just
It is in the new stage developing rapidly；05 month 24 morning in 2014, Party Central Committee leader emphasizes when Shanghai automobile group investigates, and sends out
Exhibition new-energy automobile is China from automobile superpower marches toward the only way of automobile power, and R＆D intensity to be strengthened conscientiously studies city
, with handy policy alive, the product of the exploitation various demands of adaptation, make a staggering growth point.Then State Council and
Put into effect the one and another policy supporting China's new-energy automobile development about ministries and commissions are intensive, each place government also launches respectively
Supporting policy and measure.Development new-energy automobile has become the main direction of Chinese government's industry development, and so that mention can not
Enable the strategic height of " Chinese dream "；Therefore, the general trend of events of Chinese development new-energy automobile has been formed, and this general trend of events is
Unshakable.
New-energy automobile has three big core systems: battery, motor and automatically controlled；Wherein, battery is primary core system.Mesh
Before, from lithium-ion-power cell pure electronic new-energy automobile be China fundamental state policy.Lithium-ion-power cell has a lot
Advantage, such as cell output voltage height (3.2v, 3.7v)；There is longer discharge voltage plateau (>=40 minutes or 60%)；Not yet
There is memory effect, cycle performance is superior；Self-discharge rate low (moon self-discharge rate 3% about)；No poisonous and harmful substance, is referred to as
Green battery.But, not enough or problem below the lithium-ion-power cell generally existing that current Ge Li electricity factory produces: first
It is the cycle life short (≤2000 times) of battery, what particularly battery had in groups afterwards uses less than 3 years with regard to end-of-life；Its
Secondary is to allow charge and discharge electric current little (majority is 2c3A fills, 3c3A is put), lead to the charging interval of new-energy automobile oversize, have is slow
Fill needs 3.5 hours, that fills soon also wants 30 minutes, and the electric current that particularly sparks does not reach requirement, so that electric automobile is being started
It is restricted with when acceleration or climbing；Be again electric automobile fill once electricity course continuation mileage short.
Therefore, how to solve the above problems, improve lithium-ion-power cell gold content further and use advantage, it has also become
The technical barrier of those skilled in the art's urgent need to resolve.
Content of the invention
For problems of the prior art, it is an object of the invention to provide one kind fill soon, put soon, long-lived lithium ion
Electrokinetic cell, under conditions of guaranteeing safe handling, charging current is 4c to this battery3A (i.e. 15 minutes can be fully charged), electric discharge electricity
Flow for 6c3A (can be discharged) for 10 minutes completely, and spark electric current >=15c3A (sustainable 20 seconds of discharge time), circulates the longevity
>=5000 times (80%dod) of life.
For achieving the above object, the present invention employs the following technical solutions:
One kind is filled soon, puts soon, long-lived lithium-ion-power cell, and described electrokinetic cell includes positive pole, negative pole, diaphragm paper, electricity
Solution liquid, Soft Roll casing and lug, the collector of described positive pole is aluminium foil, the collector of negative pole is Copper Foil；Described aluminium foil and copper
The two sides of paper tinsel is provided with coating；The both sides of described positive pole are provided with LiFePO4 coating；The both sides of described negative pole are provided with multiple
Close equadag coating；The pe material of described diaphragm paper individual layer, the both sides of diaphragm paper are provided with coating.
Further, the lug of described positive pole is aluminium pole ears；The lug of described negative pole is copper nickel plating lug.
Further, the surface that described diaphragm paper is contacted with positive electrode active materials applies pvdf+paa co-polymer membrane；Live with negative pole
Property material surface apply ceramic al2o3Film；Thickness≤3 μm of its one side film.
Further, the coating of the two sides setting of described aluminium foil and Copper Foil is carbon coating.
Further, described Soft Roll casing is aluminum-plastic composite membrane shell.
Further, in described LiFePO4 coating, the particle diameter of LiFePO4 raw material is: d10≤ 0.70 μm, d50≤ 2.30 μm,
d90≤5.00μm；Specific surface area s >=13.00m2/g；Specific capacity c >=160mah/g.
Further, the one side thickness of the coating of two sides setting of described aluminium foil and Copper Foil is 1-3 μm.
The present invention has following Advantageous Effects:
Under conditions of guaranteeing safe handling, charging current is 4c to the battery of the application3A (i.e. 15 minutes can be fully charged),
Discharge current is 6c3A (can be discharged) for 10 minutes completely, and spark electric current >=15c3A (sustainable 20 seconds of discharge time),
Cycle life >=5000 time (80%dod).
Brief description
Fig. 1 is the internal structure schematic diagram of electrokinetic cell of the present invention.
Specific embodiment
Below, refer to the attached drawing, is more fully illustrated to the present invention, shown in the drawings of the exemplary enforcement of the present invention
Example.However, the present invention can be presented as multiple multi-forms, it is not construed as the exemplary enforcement being confined to describe here
Example.And it is to provide these embodiments, so that the present invention is fully and completely, and will fully convey the scope of the invention to this
The those of ordinary skill in field.
For ease of explanation, here can using " on ", the space relative terms such as D score " left " " right ", for saying
Shown in bright in figure a element or feature are with respect to the relation of another element or feature.It should be understood that except in figure
Outside the orientation illustrating, spatial terminology is intended to the different azimuth in use or operation including device.For example, if in figure
Device is squeezed, be stated as positioned at the element of other elements or feature D score will be located into other elements or feature " on ".Cause
This, exemplary term D score can comprise both upper and lower orientation.Device can otherwise position and (ratate 90 degrees or be located at
Other orientation), can correspondingly explain used herein of space explanation relatively.
As shown in figure 1, this application provides one kind fill soon, put soon, long-lived lithium-ion-power cell, described electrokinetic cell bag
Include positive pole 1, negative pole 2, diaphragm paper 14, electrolyte, Soft Roll casing 13 and lug, the collector 3 of described positive pole 1 is aluminium foil, bears
The collector 4 of pole 2 is Copper Foil；The two sides of described aluminium foil and Copper Foil is provided with coating 5；The both sides of described positive pole 1 are provided with phosphorus
Sour iron lithium coating 11；The both sides of described negative pole 2 are provided with composite graphite coating 12；Described diaphragm paper 14 is the pe material of individual layer,
The both sides of diaphragm paper are provided with coating.
The lug 9 of positive pole 1 is aluminium pole ears；The lug 10 of negative pole 2 is copper nickel plating lug.The two sides setting of aluminium foil and Copper Foil
Coating is carbon coating.Collector outsourcing comes can not be directly using it is necessary to process through applying carbon.One side applies carbon thickness and controls in 1-
3 μm, to prevent electrolyte to the corrosion, oxidation of collector so as to the adhesive force of both positive and negative polarity active material is significantly improved, fall
Low contact resistance, reduces polarization, strengthens electric conductivity, extends its service life.
The surface that diaphragm paper 14 is contacted with positive electrode active materials applies pvdf+paa co-polymer membrane 16；Connect with negative active core-shell material
Tactile surface applies ceramic al2o3Film 15；Thickness≤3 μm of its one side film.The diaphragm paper of outsourcing can not be directly using it is necessary to divide
Do not apply different films on the two sides of diaphragm paper.The purpose of film is to ensure that the high temperature stability performance of electrokinetic cell is good and prevent interior
Portion's short circuit and high-temperature oxydation, to improve security performance and the cycle life of electrokinetic cell.
Soft Roll casing 13 is aluminum-plastic composite membrane shell.
In LiFePO4 coating 11, the particle diameter of LiFePO4 raw material is: d10≤ 0.70 μm, d50≤ 2.30 μm, d90≤5.00μ
m；Specific surface area s >=13.00m2/g；Specific capacity c >=160mah/g.
Composite graphite coating 12 by the high native graphite of specific capacity (c >=360mhh/g) and non-laminar structure, exist a lot
The cave the difficult graphited soft carbon that differ in size and form, its component ratio is native graphite 80%+ soft carbon 20%.
Diaphragm paper 14 is by pvdf+paa co-polymer membrane 16 and ceramic al2o3Film 15 together constitutes coating barrier film 8；Collector 3
Together constitute carbon-coated aluminum foils 6 with the coating 5 of its both sides；The coating 5 of collector 4 and its both sides together constitutes painting carbon Copper Foil 7.
Described above simply to illustrate that the present invention, it is understood that the invention is not limited in above example, meets
The various variants of inventive concept are all within protection scope of the present invention.
Claims (7)
1. one kind fill soon, put soon, long-lived lithium-ion-power cell, described electrokinetic cell includes positive pole, negative pole, diaphragm paper, electrolysis
Liquid, Soft Roll casing and lug it is characterised in that described positive pole collector be aluminium foil, negative pole collector be Copper Foil；Described
The two sides of aluminium foil and Copper Foil is provided with coating；The both sides of described positive pole are provided with LiFePO4 coating；The both sides of described negative pole
It is provided with composite graphite coating；Described diaphragm paper is the pe material of individual layer, and the both sides of diaphragm paper are provided with coating.
2. lithium-ion-power cell according to claim 1 is it is characterised in that the lug of described positive pole is aluminium pole ears；Institute
The lug stating negative pole is copper nickel plating lug.
3. lithium-ion-power cell according to claim 1 is it is characterised in that described diaphragm paper and positive electrode active materials connect
Tactile surface applies pvdf+paa co-polymer membrane；The surface contacting with negative active core-shell material applies ceramic al2o3Film；Its one side film
Thickness≤3 μm.
4. lithium-ion-power cell according to claim 1 it is characterised in that described aluminium foil and Copper Foil two sides setting
Coating is carbon coating.
5. lithium-ion-power cell according to claim 1 is it is characterised in that described Soft Roll casing is aluminum-plastic composite membrane
Shell.
6. lithium-ion-power cell according to claim 1 is it is characterised in that LiFePO4 in described LiFePO4 coating
The particle diameter of raw material is: d10≤ 0.70 μm, d50≤ 2.30 μm, d90≤5.00μm；Specific surface area s >=13.00m2/g；Specific capacity c >=
160mah/g.
7. lithium-ion-power cell according to claim 1 it is characterised in that described aluminium foil and Copper Foil two sides setting
The one side thickness of coating is 1-3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680565.3U CN205900715U (en) | 2016-06-30 | 2016-06-30 | Fill soon, put soon, long -lived lithium ion power batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680565.3U CN205900715U (en) | 2016-06-30 | 2016-06-30 | Fill soon, put soon, long -lived lithium ion power batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900715U true CN205900715U (en) | 2017-01-18 |
Family
ID=57770622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620680565.3U Expired - Fee Related CN205900715U (en) | 2016-06-30 | 2016-06-30 | Fill soon, put soon, long -lived lithium ion power batteries |
Country Status (1)
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| CN (1) | CN205900715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848384A (en) * | 2017-03-10 | 2017-06-13 | 合肥中航新能源技术研究院有限责任公司 | A kind of long-life lithium sulphur electrokinetic cell of high-energy-density |
| CN108091847A (en) * | 2017-12-11 | 2018-05-29 | 北京国能电池科技有限公司 | Anode material for lithium-ion batteries and preparation method thereof and lithium ion battery |
-
2016
- 2016-06-30 CN CN201620680565.3U patent/CN205900715U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848384A (en) * | 2017-03-10 | 2017-06-13 | 合肥中航新能源技术研究院有限责任公司 | A kind of long-life lithium sulphur electrokinetic cell of high-energy-density |
| CN108091847A (en) * | 2017-12-11 | 2018-05-29 | 北京国能电池科技有限公司 | Anode material for lithium-ion batteries and preparation method thereof and lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20210630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |