CN106654347A - Lithium battery - Google Patents
Lithium battery Download PDFInfo
- Publication number
- CN106654347A CN106654347A CN201611222220.4A CN201611222220A CN106654347A CN 106654347 A CN106654347 A CN 106654347A CN 201611222220 A CN201611222220 A CN 201611222220A CN 106654347 A CN106654347 A CN 106654347A
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- China
- Prior art keywords
- thickness
- conducting powder
- linking reaction
- negative
- microns
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery. The lithium battery comprises a positive battery piece, a negative battery piece and a diaphragm, wherein the positive battery piece is made by coating the two outer surfaces of a positive metal foil piece with a positive electrode material; the negative battery piece is made by coating the two outer surfaces of a negative metal foil piece with a high-molecular polymer film into which conductive powder is added and which is of a solidified compact structure formed by a cross-linking reaction, and coating the outer surface of the high-molecular polymer film into which the conductive powder is added and which is of the solidified compact structure formed by the cross-linking reaction with a negative electrode material with a porous loose structure; the negative electrode material comprises electrolyte, carbon powder and a bonging agent, and is single-layer coating slurry or dual-layer coating slurry with a porous loose structure. In the lithium battery, the high-molecular polymer film into which the conductive powder is added and which is of the solidified compact structure formed by the cross-linking reaction is used for protecting the negative metal soil piece, so that the lithium intercalation is avoided, the lithium battery has the characteristics of low cost and low weight, the energy consumption of a new energy vehicle can be lowered.
Description
Technical field：
Patent of the present invention is related to energy technology field, more particularly, to a kind of lithium battery.
Background technology：
General lithium battery has positive battery piece, negative battery piece, and barrier film；Positive battery piece is applied by aluminium foil surface
Cloth positive electrode and obtain, negative battery piece is obtained, negative material bag by the applying porous relaxed configuration negative material of copper foil surface
Containing electrolyte, carbon dust, with adhesive.
But the density of copper metal is 3 times of aluminium, and its price per ton is also 3-4 times of aluminium, therefore its cost accounts for whole
The 5～6% of individual lithium battery, and increase weight.And, the price of copper belongs in history the larger kind of fluctuation ratio, for
For battery production enterprise, increase the risk managed.
Further, at present using the production process of electrolytic copper foil, during copper electro-deposition, the electric current between anode and cathode is simultaneously
It is not equally distributed, especially in cathode roll and the edge of anode roller, electric force lines distribution comparatively dense, makes coating produce " edge
Effect ".
But because the factor of metal current potential potential energy, it is impossible to aluminium foil is applied in anode foil, it is necessary to using Copper Foil and negative pole
Material, because electrolytic copper foil production cost is very high, yields only 80% also results in environmental issue, it is therefore necessary to separately seek reduction
The mode of cost and weight.
Patent of invention content：
A kind of new lithium battery is provided in place of the purpose of patent of the present invention is that in view of the shortcomings of the prior art,
The characteristics of it has low cost and low weight.
For achieving the above object, the technical scheme that patent of the present invention is adopted is as follows：
A kind of lithium battery, includes positive battery piece, negative battery piece and barrier film；Positive battery piece is in cathode metal
Two outer surfaces of paillon foil are coated with positive electrode and obtain；Negative battery piece be negative metal paillon foil two outer surfaces coating add
Plus the cross linking reaction and solidification compact texture high molecular polymer film of conducting powder, and in the cross linking reaction and solidification cause of addition conducting powder
The outer surface of close structuring polymer thin polymer film is coated porous relaxed configuration negative material and obtains；Negative material includes electrolysis
Matter, carbon dust and adhesive, are single coating slurry or double-deck coating porous cancellous relaxation structural paste；Cathode metal paillon foil and negative pole gold
The material of category paillon foil is all aluminium, and the electrolyte of negative material is the compound of ternary lithium ion or LiFePO4 or cobalt acid lithium.
Used as the preferential of above-mentioned technical proposal, the material of described negative metal paillon foil is aluminium, and its thickness is 6～15 micro-
Rice, the material of the cross linking reaction and solidification compact texture high molecular polymer film of described two outer layers addition conducting powder be containing
The Kynoar (PVDF) of the cross-linking radiation solidification of conducting powder, its thickness is 2～6 microns.
Used as the preferential of above-mentioned technical proposal, the material of described negative metal paillon foil is aluminium, and its thickness is 6～15 micro-
Rice, the material of the cross linking reaction and solidification compact texture high molecular polymer film of described two outer layers addition conducting powder be containing
The rubber series latex of conducting powder, its thickness is 2～6 microns.
Used as the preferential of above-mentioned technical proposal, the material of described negative metal paillon foil is aluminium, and its thickness is 6～15 micro-
Rice, the material of the cross linking reaction and solidification compact texture high molecular polymer film of described two outer layers addition conducting powder be containing
The photocured cross-linked reaction high molecular polymer ink of UV of conducting powder, its thickness is 2～6 microns.
Used as the preferential of above-mentioned technical proposal, the material of described negative metal paillon foil is aluminium, and its thickness is 6～15 micro-
Rice, the material of the cross linking reaction and solidification compact texture high molecular polymer film of described two outer layers addition conducting powder be containing
The organosilan of conducting powder, its thickness is 2～6 microns.
Used as the preferential of above-mentioned technical proposal, the material of described negative metal paillon foil is aluminium, and its thickness is 6～15 micro-
Rice, the material of the cross linking reaction and solidification compact texture high molecular polymer film of described two outer layers addition conducting powder be containing
The PE/PP cross-linking reaction high molecular polymer ink of conducting powder, its thickness is 2～6 microns.
Used as the preferential of above-mentioned technical proposal, the material of described negative metal paillon foil is aluminium, and its thickness is 6～15 micro-
Rice, the material of the cross linking reaction and solidification compact texture high molecular polymer film of described two outer layers addition conducting powder be containing
The acrylic resin ink of conducting powder, its thickness is 2～6 microns.
Used as the preferential of above-mentioned technical proposal, described cross linking reaction and solidification compact texture high molecular polymer film is included
Conducting powder be carbon dust or metal powder.
The beneficial effect of patent of the present invention is：Can be with addition conducting powder cross linking reaction and solidification compact texture polyphosphazene polymer
Compound film protect negative metal paillon foil, it is to avoid embedding lithium phenomenon, thus can with aluminium foil replace Copper Foil, with low cost with it is low
The characteristics of weight, it is possible to decrease the energy consumption of new forms of energy car.
Description of the drawings：
Patent of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the profile of patent Example of the present invention.
Specific embodiment：
As shown in Figure 1：The profile of the lithium battery of patent of the present invention, with positive battery piece 10, negative battery piece 20 with
And barrier film 30；Wherein, positive battery piece 10 is obtained in two outer surfaces coating positive electrode 12 of cathode metal paillon foil 11；It is negative
Pole cell piece 20 is the cross-linking reaction high molecular polymer of the two outer surfaces coating addition conducting powder in negative metal paillon foil 21
Ink 22, then the applying porous relaxed configuration negative material outside the cross-linking reaction high molecular polymer ink 22 of addition conducting powder
23 and obtain.Negative material 23 includes electrolyte, carbon dust and adhesive, is single coating slurry or double-deck coating grout structure.Its
Middle cathode metal paillon foil is all aluminium with the material of negative metal paillon foil, and the electrolyte of negative material 23 is ternary lithium ion or phosphorus
The compound of sour iron lithium or cobalt acid lithium.
The material of negative metal paillon foil 21 is aluminium, and its thickness is 6～15 microns；The crosslinking of two outer layer addition conducting powders is anti-
The material that compact texture high molecular polymer film 22 should be solidified can be the polyvinylidene fluoride of the solidification of the cross-linking radiation containing conducting powder
Alkene (PVDF), or UV light-curable inks, or PE/PP cross-linking reaction high molecular polymer ink, its thickness is 2～6 microns；
Conducting powder can be then carbon dust or metal powder.
Claims (8)
1. a kind of lithium battery, includes positive battery piece (10), negative battery piece (20) and barrier film (30)；It is characterized in that：
Positive battery piece (10) is obtained in two outer surfaces coating positive electrode (12) of cathode metal paillon foil (11)；Negative battery piece
(20) be negative metal paillon foil (21) two outer surfaces coating addition conducting powder cross linking reaction and solidification compact texture high score
Sub- thin polymer film (22), and outside cross linking reaction and solidification compact texture high molecular polymer film (22) of addition conducting powder
Surface is coated porous relaxed configuration negative material (23) and obtains；Negative material (23) is comprising electrolyte, carbon dust and adhesive
Single coating slurry or double-deck coating porous cancellous relaxation structural paste；Cathode metal paillon foil is all with the material of negative metal paillon foil
Aluminium, and the electrolyte of negative material (23) is the compound of ternary lithium ion or LiFePO4 or cobalt acid lithium.
2. lithium battery according to claim 1, it is characterised in that：The material of described negative metal paillon foil (21) is aluminium,
Its thickness is 6～15 microns, and two described outer layers add the cross linking reaction and solidification compact texture high molecular polymer of conducting powder
The material of film (22) is the Kynoar of cross-linking radiation solidification, and its thickness is 2～6 microns.
3. lithium battery according to claim 1, it is characterised in that：The material of described negative metal paillon foil (21) is aluminium,
Its thickness is 6～15 microns, and two described outer layers add the cross linking reaction and solidification compact texture high molecular polymer of conducting powder
The material of film (22) is the rubber series latex containing conducting powder, and its thickness is 2～6 microns.
4. lithium battery according to claim 1, it is characterised in that：The material of described negative metal paillon foil (21) is aluminium,
Its thickness is 6～15 microns, and two described outer layers add the cross linking reaction and solidification compact texture high molecular polymer of conducting powder
The material of film (22) is the photocured cross-linked reaction high molecular polymer ink of the UV containing conducting powder, and its thickness is 2～6 micro-
Rice.
5. lithium battery according to claim 1, it is characterised in that：The material of described negative metal paillon foil (21) is aluminium,
Its thickness is 6～15 microns, and two described outer layers add the cross linking reaction and solidification compact texture high molecular polymer of conducting powder
The material of film (22) is the organosilan containing conducting powder, and its thickness is 2～6 microns.
6. lithium battery according to claim 1, it is characterised in that：The material of described negative metal paillon foil (21) is aluminium,
Its thickness is 6～15 microns, and two described outer layers add the cross linking reaction and solidification compact texture high molecular polymer of conducting powder
The material of film (22) is the PE/PP cross-linking reaction high molecular polymer ink containing conducting powder, and its thickness is 2～6 microns.
7. lithium battery according to claim 1, it is characterised in that：The material of described negative metal paillon foil (21) is aluminium,
Its thickness is 6～15 microns, and two described outer layers add the cross linking reaction and solidification compact texture high molecular polymer of conducting powder
The material of film (22) is the acrylic resin ink containing conducting powder, and its thickness is 2～6 microns.
8. lithium battery according to claim 1, it is characterised in that：Described cross linking reaction and solidification compact texture polyphosphazene polymer
The conducting powder that compound film (22) is included is carbon dust or metal powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222220.4A CN106654347A (en) | 2016-12-27 | 2016-12-27 | Lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222220.4A CN106654347A (en) | 2016-12-27 | 2016-12-27 | Lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654347A true CN106654347A (en) | 2017-05-10 |
Family
ID=58833011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611222220.4A Pending CN106654347A (en) | 2016-12-27 | 2016-12-27 | Lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654347A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0911894A1 (en) * | 1997-10-23 | 1999-04-28 | Nec Corporation | Polymer secondary batteries |
| JP2005183051A (en) * | 2003-12-16 | 2005-07-07 | Mitsubishi Electric Corp | Battery |
| US20140023919A1 (en) * | 2012-07-17 | 2014-01-23 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary cell |
| CN103682242A (en) * | 2012-09-13 | 2014-03-26 | 株式会社杰士汤浅国际 | Electrode assembly and electric storage device |
| CN204156002U (en) * | 2014-11-06 | 2015-02-11 | 南京中储新能源有限公司 | Secondary aluminium cell polyacrylonitrile fibre/sulphur compound electric pole piece |
-
2016
- 2016-12-27 CN CN201611222220.4A patent/CN106654347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0911894A1 (en) * | 1997-10-23 | 1999-04-28 | Nec Corporation | Polymer secondary batteries |
| JP2005183051A (en) * | 2003-12-16 | 2005-07-07 | Mitsubishi Electric Corp | Battery |
| US20140023919A1 (en) * | 2012-07-17 | 2014-01-23 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary cell |
| CN103682242A (en) * | 2012-09-13 | 2014-03-26 | 株式会社杰士汤浅国际 | Electrode assembly and electric storage device |
| CN204156002U (en) * | 2014-11-06 | 2015-02-11 | 南京中储新能源有限公司 | Secondary aluminium cell polyacrylonitrile fibre/sulphur compound electric pole piece |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |