CN106654283A - Aluminium foil current collector and manufacture method and lithium battery having aluminium foil current collector thereof - Google Patents
Aluminium foil current collector and manufacture method and lithium battery having aluminium foil current collector thereof Download PDFInfo
- Publication number
- CN106654283A CN106654283A CN201510732283.3A CN201510732283A CN106654283A CN 106654283 A CN106654283 A CN 106654283A CN 201510732283 A CN201510732283 A CN 201510732283A CN 106654283 A CN106654283 A CN 106654283A
- Authority
- CN
- China
- Prior art keywords
- aluminium foil
- current collector
- film
- anode material
- opposite surfaces
- 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
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Classifications
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention relates to a lithium battery, which comprises an aluminium foil current collector and an electrolyte connected with the aluminium foil current collector; the current collector comprises an aluminium foil, a carbon film and an anode material; the aluminium foil comprises two opposite surfaces, the carbon film is deposited on two opposite surfaces of the aluminium foil, the carbon film is coated with the anode material, and the electrolyte is contacted with the anode material and the carbon film. The aluminium foil current collector and the lithium battery employ the carbon film deposited on the aluminium foil as a transition layer, corrosion of the electrolyte on the aluminium foil current collector is reduced, and the high temperature cycle performance of the battery is increased. The invention also provides the aluminium foil current collector and a manufacture method thereof.
Description
Technical field
The invention belongs to technical field of lithium batteries, more particularly to a kind of aluminum foil current collector and its manufacturer
Method and the lithium battery with the aluminum foil current collector.
Background technology
The features such as lithium ion battery is due to its energy density height, high operating voltage, environmental friendliness is recognized
Power to be new-energy automobile is first-selected, be conducive to saving the consumption of non-renewable resources oil and
Reduce the atmosphere pollution that pure oil-fired vehicle exhaust emissions is caused.
Under the high temperature conditions decomposition reaction causes high rate performance to reduce to conventional electrolysis liquid lithium salts, or even leads
That sends a telegraph core breaks unlatching, can adopt the higher organic lithium salt two (trifluoromethane sulfonic acid) of stability
Imine lithium is lifting the high-temperature behavior of battery core；However, two (trifluoromethane sulfonic acid) imine lithiums are easy
Corrosive aluminum foil collector, causes battery to work, and two (trifluoromethane sulfonic acids) of 1mol/L are sub-
Amine lithium constitutes electrolyte with EC (ethylene carbonate)+DMC (dimethyl carbonate) solvent, in electricity
Press for 4V when begin to corrosive aluminum foil, damage battery, cause the dangerous and cost of battery pack all
Can increase.
The content of the invention
Present invention aims to present on technical problem, there is provided a kind of security performance
Higher aluminum foil current collector and its manufacture method and the lithium battery with the aluminum foil current collector.
To solve above-mentioned technical problem, the present invention provides a kind of aluminum foil current collector, including aluminium foil, carbon
Film and anode material；The aluminium foil includes two opposite surfaces, and the C film is deposited on institute
State on two opposite surfaces of aluminium foil, the anode material is coated on the C film.
The present invention also provides a kind of aluminum foil current collector manufacture method, comprises the following steps：
Aluminium foil is provided；
Graphite target is provided shape is deposited on two opposite surfaces of aluminium foil by magnetron sputtering technique
Into C film；
The coated anode material on C film.
The present invention also provides a kind of lithium battery, including the aluminum foil current collector and and aluminum foil current collector
The electrolyte of contact；The collector includes aluminium foil, C film and anode material；The Aluminium Foil Package
Opposite two surface is included, the C film is deposited on two opposite surfaces of the aluminium foil, institute
State anode material to be coated on the C film, the electrolyte connects with anode material and C film
Touch.
The invention has the beneficial effects as follows：Aluminum foil current collector of the present invention and lithium battery using plasma are heavy
Product technology deposits C film as transition zone on aluminium foil, it is to avoid two (trifluoromethane sulfonic acid) imines
Corrosion of the lithium to aluminum foil current collector, solves two (trifluoromethane sulfonic acid) imine lithiums and lifts lithium battery
The limitation of high-temperature behavior, improves the high temperature cyclic performance of battery.
Description of the drawings
A kind of cross section structure diagram of aluminum foil current collector that Fig. 1 is provided for the present invention.
Specific embodiment
As shown in figure 1, providing aluminum foil current collector 100 including aluminium foil 10, C film for the present invention
20 and anode material 30.
The aluminium foil 10 includes two opposite surfaces, and the C film 20 is deposited on the aluminium foil
On 10 two opposite surfaces, the anode material 30 is coated on the C film 20.It is described
Anode material 30 includes LiFePO4.
Specifically, the C film 20 passes through magnetron sputtering technique in aluminium foil phase using graphite target
Deposition is formed on two surfaces of the back of the body, thus, when aluminum foil current collector 100 makes battery, carbon is thin
Film 20 can ensure that the electrical conductivity of collector, and electrolyte corrosive aluminum foil can be prevented again.This reality
In applying mode, electrolyte is molten as lithium salts using two (trifluoromethane sulfonic acid) imine lithiums of 1mol/L
Matter, adopts volume ratio for 1：1 EC (ethylene carbonate) and DMC (dimethyl carbonate)
As solvent.
The method that the present invention provides a kind of manufacture aluminum foil current collector 100, comprises the following steps：
Aluminium foil 10 is provided；
There is provided graphite target to deposit on two opposite surfaces of aluminium foil 10 by magnetron sputtering technique
Form C film 20；
The coated anode material on C film 20.
The present invention also provides a kind of lithium battery, including the aluminum foil current collector 100 and with aluminium foil collection
The electrolyte of the contact of fluid 100.The collector 100 includes aluminium foil 10, C film 20 and sun
Pole material 30.The aluminium foil 10 includes two opposite surfaces, and the C film 20 is deposited on institute
State on two opposite surfaces of aluminium foil 10, the anode material 30 is coated on the C film 20
On, the electrolyte is contacted with anode material and C film.Anode material 30 includes LiFePO4.
Electrolyte adopts two (trifluoromethane sulfonic acid) imine lithiums of 1mol/L as lithium salts solute, using body
Product is than being 1：1 EC (ethylene carbonate) and DMC (dimethyl carbonate) is used as solvent.
Aluminum foil current collector of the present invention 100 and lithium battery using plasma deposition technique sink on aluminium foil
Carbon distribution film is used as transition zone, it is to avoid two (trifluoromethane sulfonic acid) imine lithiums are to aluminum foil current collector
Corrosion, solves the limitation that two (trifluoromethane sulfonic acid) imine lithiums lift lithium battery high-temperature behavior,
Improve the high temperature cyclic performance of battery.
Embodiments of the present invention are the foregoing is only, the patent model of the present invention is not thereby limited
Enclose, the equivalent structure or equivalent process that every utilization description of the invention and accompanying drawing content are made becomes
Change, or be directly or indirectly used in other related technical fields, be included in the present invention's in the same manner
In scope of patent protection.
Claims (8)
1. a kind of aluminum foil current collector, including aluminium foil, C film and anode material；The aluminium foil includes
Two opposite surfaces, the C film is deposited on two opposite surfaces of the aluminium foil, described
Anode material is coated on the C film.
2. aluminum foil current collector as claimed in claim 1, it is characterised in that：C film adopts graphite
Target deposits formation by magnetron sputtering technique on two opposite surfaces of aluminium foil.
3. aluminum foil current collector as claimed in claim 1, it is characterised in that：The anode material bag
Phosphoric acid iron lithium.
4. a kind of aluminum foil current collector manufacture method, comprises the following steps：
Aluminium foil is provided；
Graphite target is provided shape is deposited on two opposite surfaces of aluminium foil by magnetron sputtering technique
Into C film；
The coated anode material on C film.
5. a kind of lithium battery, it is characterised in that：Connect including aluminum foil current collector and with aluminum foil current collector
Tactile electrolyte；The collector includes aluminium foil, C film and anode material；The aluminium foil includes
Two opposite surfaces, the C film is deposited on two opposite surfaces of the aluminium foil, described
Anode material is coated on the C film；The electrolyte is contacted with anode material and C film.
6. lithium battery as claimed in claim 5, it is characterised in that：C film adopts graphite target
Formation is deposited on two opposite surfaces of aluminium foil by magnetron sputtering technique.
7. lithium battery as claimed in claim 5, it is characterised in that：The anode material includes phosphorus
Sour iron lithium.
8. lithium battery as claimed in claim 5, it is characterised in that：The electrolyte adopts 1mol/L
Two (trifluoromethane sulfonic acid) imine lithiums as lithium salts solute, adopt volume ratio for 1：1 carbon
Vinyl acetate and dimethyl carbonate are used as solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732283.3A CN106654283A (en) | 2015-11-01 | 2015-11-01 | Aluminium foil current collector and manufacture method and lithium battery having aluminium foil current collector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732283.3A CN106654283A (en) | 2015-11-01 | 2015-11-01 | Aluminium foil current collector and manufacture method and lithium battery having aluminium foil current collector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654283A true CN106654283A (en) | 2017-05-10 |
Family
ID=58810576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732283.3A Pending CN106654283A (en) | 2015-11-01 | 2015-11-01 | Aluminium foil current collector and manufacture method and lithium battery having aluminium foil current collector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654283A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735527A (en) * | 2018-07-10 | 2018-11-02 | 肇庆华锋电子铝箔股份有限公司 | A kind of metal foil collector for ultracapacitor |
| CN110071291A (en) * | 2019-03-19 | 2019-07-30 | 长沙市秒冲电池技术与材料研究所 | Power battery, negative electrode tab, cathode composite foil and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958418A (en) * | 2010-03-04 | 2011-01-26 | 常德力元新材料有限责任公司 | Electrode current collector material of lithium ion battery and preparation method thereof |
| CN102280664A (en) * | 2010-06-09 | 2011-12-14 | 中国科学院物理研究所 | Electrolyte and secondary lithium battery and capacitor containing electrolyte |
| CN103329331A (en) * | 2010-11-12 | 2013-09-25 | 利登能源股份有限公司 | High performance lithium or lithium ion cell |
| CN103515616A (en) * | 2012-06-27 | 2014-01-15 | 万向电动汽车有限公司 | Positive electrode piece of lithium-ion power battery and preparation method thereof |
-
2015
- 2015-11-01 CN CN201510732283.3A patent/CN106654283A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958418A (en) * | 2010-03-04 | 2011-01-26 | 常德力元新材料有限责任公司 | Electrode current collector material of lithium ion battery and preparation method thereof |
| CN102280664A (en) * | 2010-06-09 | 2011-12-14 | 中国科学院物理研究所 | Electrolyte and secondary lithium battery and capacitor containing electrolyte |
| CN103329331A (en) * | 2010-11-12 | 2013-09-25 | 利登能源股份有限公司 | High performance lithium or lithium ion cell |
| CN103515616A (en) * | 2012-06-27 | 2014-01-15 | 万向电动汽车有限公司 | Positive electrode piece of lithium-ion power battery and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735527A (en) * | 2018-07-10 | 2018-11-02 | 肇庆华锋电子铝箔股份有限公司 | A kind of metal foil collector for ultracapacitor |
| CN110071291A (en) * | 2019-03-19 | 2019-07-30 | 长沙市秒冲电池技术与材料研究所 | Power battery, negative electrode tab, cathode composite foil and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
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