CN107039625A - A kind of lithium battery pole ear and its lithium battery comprising the lug - Google Patents
A kind of lithium battery pole ear and its lithium battery comprising the lug Download PDFInfo
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- CN107039625A CN107039625A CN201611125982.2A CN201611125982A CN107039625A CN 107039625 A CN107039625 A CN 107039625A CN 201611125982 A CN201611125982 A CN 201611125982A CN 107039625 A CN107039625 A CN 107039625A
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- solution
- lithium battery
- pole unit
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of lithium battery pole ear and its lithium battery including the lug, belong to field of lithium, it is intended to which it is short to solve lithium battery service life, the problem of impact resistance is poor, including positioned at middle positive pole unit（2）And the negative pole unit around positive pole unit（1）, barrier film is provided between described positive pole unit and negative pole unit（3）, described positive pole unit is connected with anode ear（201）, described negative pole unit is connected with negative electrode lug（101）, described anode ear and negative electrode lug be made by conducting polymer composite.
Description
Technical field
It is specifically a kind of lithium battery pole ear and its lithium battery comprising the lug the present invention relates to field of lithium
Background technology
In all energy forms, electric energy be easiest to use, most clean environment firendly and the efficiency highest energy.Battery
It is the device of best storage electric energy.In all battery products, lithium battery is current most young, most advanced, technology in the world
The maximum energy products of gold content highest, energy density, it is widely used among electric car.However, recent years, including
A lot of electric car pyrophoricity accidents that the electric car of home and overseas brand occurs, therefore in the urgent need to improving the security of lithium battery
Energy.
The content of the invention
It is an object of the invention to：For above-mentioned problem there is provided a kind of lithium battery, specific technical scheme is such as
Under：
The invention discloses a kind of lithium battery, including the negative pole unit around middle positive pole unit and positive pole unit, institute
Barrier film is provided between the positive pole unit and negative pole unit stated, described positive pole unit is connected with anode ear, described negative pole unit
Negative electrode lug is connected with, described anode ear and negative electrode lug is made by conducting polymer composite, and the conducting polymer composite can
Think conventional conducting polymer composite.
As the improvement to battery, the negative pole end of lithium battery, which is provided with, can seal the sealing ring of positive pole and electrolyte.
As an improvement, being provided with shell around described negative pole, elastic polyurethane material is provided between described shell and negative pole
Material.
As an improvement, described conducting polymer composite is polyaniline, polythiophene, polyacetylene, one kind of polystyrene.
As an improvement, described polyaniline is Polyaniline graft copolymer, the main chain of described graft copolymer is poly- second
Alkenyl pyridine alkanone macromolecular chain, described side chain is the macromolecular chain containing aniline repeat unit, and described contains aniline weight
The repeat number of the macromolecular chain of multiple unit is located at 10-1000.
As an improvement, described anode ear and the preparation method of negative electrode lug macromolecule conducting material are as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES, using physical method so that polyvinylpyridine alkanone
It is dissolved completely among organic solvent and forms solution；
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 0.1-10；
Step C：Solution after step B is stirred using physical method；
Step D：Acid solution is added to step C mixture so that the PH of solution is controlled between 5-6；
Step E:Initiator is added to the solution after step D, described initiator is the 0.01%- of polyvinylpyridine alkanone
0.5%wt；
Step F:Reacted 1-40 hours at 20 DEG C -100 DEG C；
Step E:Solvent is removed, described macromolecule conducting material is made
As an improvement, described physical method is magnetic agitation 1-10 hours.
As an improvement, the organic solvent of the step A is formamide, trifluoroacetic acid, DMSO, DMF, hexamethyl phosphoric acid acyl
Amine, methanol, ethanol, acetic acid, trichloro ethylene, n-butanol, ether, n-butyl ether, carbon tetrachloride, hexamethylene, hexane, acetone, it is described
Solution in polyvinylpyridine alkanone concentration be 1g-100g/L.
As an improvement, described acid solution is the concentrated sulfuric acid, concentrated hydrochloric acid, nitric acid, dilute sulfuric acid, watery hydrochloric acid, one kind of organic acid,
Described initiator is benzoyl peroxide, one kind of lauroyl peroxide.
As an improvement, described step E is comprised the following steps that including step E-1, E-1：
Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, precipitation is proposed, done
It is dry, precipitation is dissolved in organic solvent, suction filtration is gone out inorganic salts, solvent of being gone out with acetone is made polymer, dried.
Lithium battery impact resistance disclosed by the invention is strong, and is used as lug, corrosion resistance with conducting polymer composite
By force, service life is long.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Marked in figure：Outside 1- negative pole units, 101- negative electrode lugs, 2- positive pole units, 201- anode ears, 3- barrier films, 4- sealing rings, 5-
Shell, 6- polyurethane elastomeric materials.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment 1：As shown in figure 1, present embodiment discloses a kind of lithium battery, including positioned at middle positive pole unit
2 and positive pole unit around negative pole unit 1, between described positive pole unit and negative pole unit be provided with barrier film 3, described positive pole list
Member is connected with anode ear 201, and described negative pole unit is connected with negative electrode lug 101, and described anode ear and negative electrode lug are by conduction
High polymer material is made, and the negative pole end of lithium battery, which is provided with, can seal around the sealing ring 4 of positive pole and electrolyte, negative pole provided with outer
Shell 5, is provided with polyurethane elastomeric materials between described shell and negative pole.
Described conducting polymer composite is polyaniline, and described polyaniline is Polyaniline graft copolymer, and described connects
The main chain of graft copolymer is polyvinylpyridine alkanone macromolecular chain, and described side chain is the macromolecule containing aniline repeat unit
Chain, the repeat number of the macromolecular chain containing aniline repeat unit is located at 10-1000.
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES so that polyvinylpyridine alkanone is completely dissolved
Solution is formed among organic solvent, organic solvent is that the concentration of polyvinylpyridine alkanone in formamide, solution is 1g/L
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 0.1；
Step C：Solution after step B is used into magnetic agitation 10 hours；
Step D：The concentrated sulfuric acid is added to step C mixture so that the PH of solution is controlled between 5；
Step E:Initiator benzoyl peroxide is added to the solution after step D, described initiator is polyvinylpyridine alkane
The 0.01%wt of ketone；
Step F:Reacted 1 hour at 100 DEG C；
Step E:Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, proposed
Precipitation, is dried, and precipitation is dissolved in into organic solvent, and suction filtration is gone out inorganic salts, and solvent of being gone out with acetone is made polymer, dried.
Embodiment 2：
It is with the difference of embodiment 1, prepares macromolecule conducting material step as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES so that polyvinylpyridine alkanone has been dissolved completely in
Solution is formed among machine solvent, organic solvent is that the concentration of polyvinylpyridine alkanone in DMSO, solution is 100g/L
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 3；
Step C：Solution after step B is used into magnetic agitation 5 hours；
Step D：Concentrated hydrochloric acid is added to step C mixture so that the PH of solution is controlled between 5；
Step E:Initiator benzoyl peroxide is added to the solution after step D, described initiator is polyvinylpyridine alkane
The 0.5%wt of ketone；
Step F:Reacted 20 hours at 60 DEG C；
Step E:Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, proposed
Precipitation, is dried, and precipitation is dissolved in into organic solvent, and suction filtration is gone out inorganic salts, and solvent of being gone out with acetone is made polymer, dried.
Embodiment 3：
It is with the difference of embodiment 1, prepares macromolecule conducting material step as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES so that polyvinylpyridine alkanone has been dissolved completely in
Solution is formed among machine solvent, organic solvent is that the concentration of polyvinylpyridine alkanone in trichloro ethylene, solution is 30g/L
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 2；
Step C：Solution after step B is used into magnetic agitation 4 hours；
Step D：Concentrated hydrochloric acid is added to step C mixture so that the PH of solution is controlled between 6；
Step E:Initiator lauroyl peroxide is added to the solution after step D, described initiator is polyvinylpyridine alkane
The 0.01%wt of ketone；
Step F:Reacted 10 hours at 40 DEG C；
Step E:Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, proposed
Precipitation, is dried, and precipitation is dissolved in into organic solvent, and suction filtration is gone out inorganic salts, and solvent of being gone out with acetone is made polymer, dried.
Embodiment 4：
It is with the difference of embodiment 1, prepares macromolecule conducting material step as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES so that polyvinylpyridine alkanone has been dissolved completely in
Solution is formed among machine solvent, organic solvent is that the concentration of polyvinylpyridine alkanone in DMSO, solution is 30g/L
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 2；
Step C：Solution after step B is used into magnetic agitation 4 hours；
Step D：The concentrated sulfuric acid is added to step C mixture so that the PH of solution is controlled between 5；
Step E:Initiator lauroyl peroxide is added to the solution after step D, described initiator is polyvinylpyridine alkane
The 0.01%wt of ketone；
Step F:Reacted 10 hours at 40 DEG C；
Step E:Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, proposed
Precipitation, is dried, and precipitation is dissolved in into organic solvent, and suction filtration is gone out inorganic salts, and solvent of being gone out with acetone is made polymer, dried.
Embodiment 5：
It is with the difference of embodiment 1, prepares macromolecule conducting material step as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES so that polyvinylpyridine alkanone has been dissolved completely in
Solution is formed among machine solvent, organic solvent is that the concentration of polyvinylpyridine alkanone in DMSO, solution is 40g/L
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 4；
Step C：Solution after step B is used into magnetic agitation 5 hours；
Step D：Nitric acid is added to step C mixture so that the PH of solution is controlled 5；
Step E:Initiator benzoyl peroxide is added to the solution after step D, described initiator is polyvinylpyridine alkane
The 0.5%wt of ketone；
Step F:Reacted 20 hours at 30 DEG C；
Step E:Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, proposed
Precipitation, is dried, and precipitation is dissolved in into organic solvent, and suction filtration is gone out inorganic salts, and solvent of being gone out with acetone is made polymer, dried.
Embodiment 6：
It is with the difference of embodiment 1, prepares macromolecule conducting material step as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES so that polyvinylpyridine alkanone has been dissolved completely in
Solution is formed among machine solvent, organic solvent is that the concentration of polyvinylpyridine alkanone in ethanol, solution is 30g/L
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 2；
Step C：Solution after step B is used into magnetic agitation 8 hours；
Step D：Dilute sulfuric acid is added to step C mixture so that the PH of solution is controlled between 5-6；
Step E:Initiator benzoyl peroxide is added to the solution after step D, described initiator is polyvinylpyridine alkane
The 0.5%wt of ketone；
Step F:Reacted 10 hours at 30 DEG C；
Step E:Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, proposed
Precipitation, is dried, and precipitation is dissolved in into organic solvent, and suction filtration is gone out inorganic salts, and solvent of being gone out with acetone is made polymer, dried.
The performance measurement of embodiment 1-6 lugs is as follows：
Claims (10)
1. a kind of lithium battery, it is characterised in that including positioned at middle positive pole unit（2）And the negative pole unit around positive pole unit
（1）, barrier film is provided between described positive pole unit and negative pole unit（3）, described positive pole unit is connected with anode ear（201）,
Described negative pole unit is connected with negative electrode lug（101）, described anode ear and negative electrode lug be made by conducting polymer composite.
2. lithium battery according to claim 1, it is characterised in that the negative pole end of lithium battery, which is provided with, can seal positive pole and electricity
Solve the sealing ring of liquid（4）.
3. lithium battery according to claim 1, it is characterised in that shell is provided with around described negative pole（5）, described is outer
Polyurethane elastomeric materials are provided between shell and negative pole.
4. lithium battery according to claim 1, it is characterised in that described conducting polymer composite is polyaniline, poly- thiophene
Fen, polyacetylene, one kind of polystyrene.
5. lithium battery according to claim 4, it is characterised in that described polyaniline is Polyaniline graft copolymer, institute
The main chain for the graft copolymer stated is polyvinylpyridine alkanone macromolecular chain, and described side chain is to contain aniline repeat unit
Macromolecular chain, the repeat number of the macromolecular chain containing aniline repeat unit is located at 10-1000.
6. lithium battery according to claim 5, it is characterised in that described anode ear and negative electrode lug macromolecule conducting material
Preparation method it is as follows：
Step A:By polyvinylpyridine alkanone and ORGANIC SOLVENT MIXTURES, using physical method so that polyvinylpyridine alkanone
It is dissolved completely among organic solvent and forms solution；
Step B：The weight added to the solution after step A in aniline monomer, the quantity and polyvinylpyridine alkanone of aniline monomer
The ratio of multiple unit is 0.1-10；
Step C：Solution after step B is stirred using physical method；
Step D：Acid solution is added to step C mixture so that the PH of solution is controlled between 5-6；
Step E:Initiator is added to the solution after step D, described initiator is the 0.01%- of polyvinylpyridine alkanone
0.5%wt；
Step F:Reacted 1-40 hours at 20 DEG C -100 DEG C；
Step E:Solvent is removed, described macromolecule conducting material is made.
7. lithium battery according to claim 6, it is characterised in that described physical method is magnetic agitation 1-10 hours.
8. lithium battery according to claim 6, it is characterised in that the organic solvent of the step A is formamide, trifluoro second
Acid, DMSO, DMF, hexamethyl-phosphoramide, methanol, ethanol, acetic acid, trichloro ethylene, n-butanol, ether, n-butyl ether, four chlorinations
The concentration of polyvinylpyridine alkanone is 1g-100g/L in carbon, hexamethylene, hexane, acetone, described solution.
9. lithium battery according to claim 6, it is characterised in that described acid solution be the concentrated sulfuric acid, concentrated hydrochloric acid, nitric acid,
Dilute sulfuric acid, watery hydrochloric acid, one kind of organic acid, described initiator are benzoyl peroxide, one kind of lauroyl peroxide.
10. lithium battery according to claim 6, it is characterised in that described step E is specifically walked including step E-1, E-1
It is rapid as follows：
Solution is cooled down, inorganic salts are added in the solution and cause solution saturation, acetone soln is added, precipitation is produced, precipitation is proposed, done
It is dry, precipitation is dissolved in organic solvent, suction filtration is gone out inorganic salts, solvent of being gone out with acetone is made polymer, dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125982.2A CN107039625A (en) | 2016-12-09 | 2016-12-09 | A kind of lithium battery pole ear and its lithium battery comprising the lug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125982.2A CN107039625A (en) | 2016-12-09 | 2016-12-09 | A kind of lithium battery pole ear and its lithium battery comprising the lug |
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|---|---|
| CN107039625A true CN107039625A (en) | 2017-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611125982.2A Pending CN107039625A (en) | 2016-12-09 | 2016-12-09 | A kind of lithium battery pole ear and its lithium battery comprising the lug |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198991A (en) * | 2017-12-25 | 2018-06-22 | 惠州Tcl金能电池有限公司 | Battery and its temperature-sensitive lug |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2752969Y (en) * | 2004-12-03 | 2006-01-18 | 中国电子科技集团公司第十八研究所 | Soft package lithium ion battery polar ear with short-circuit protecting function |
| CN201233933Y (en) * | 2008-03-06 | 2009-05-06 | 艾斯塔有限责任公司 | Pillar type lithium battery |
| CN102040695A (en) * | 2010-11-26 | 2011-05-04 | 中国人民解放军国防科学技术大学 | Preparation method of water-soluble polyvinylpyrrolidone grafted polyaniline (PVP-g-PANI) copolymer |
| CN203659972U (en) * | 2012-02-29 | 2014-06-18 | 昭和电工包装株式会社 | Lug and secondary battery |
| CN105802016A (en) * | 2016-05-11 | 2016-07-27 | 苏州天裕塑胶有限公司 | PP-based lug material and preparation method thereof |
-
2016
- 2016-12-09 CN CN201611125982.2A patent/CN107039625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2752969Y (en) * | 2004-12-03 | 2006-01-18 | 中国电子科技集团公司第十八研究所 | Soft package lithium ion battery polar ear with short-circuit protecting function |
| CN201233933Y (en) * | 2008-03-06 | 2009-05-06 | 艾斯塔有限责任公司 | Pillar type lithium battery |
| CN102040695A (en) * | 2010-11-26 | 2011-05-04 | 中国人民解放军国防科学技术大学 | Preparation method of water-soluble polyvinylpyrrolidone grafted polyaniline (PVP-g-PANI) copolymer |
| CN203659972U (en) * | 2012-02-29 | 2014-06-18 | 昭和电工包装株式会社 | Lug and secondary battery |
| CN105802016A (en) * | 2016-05-11 | 2016-07-27 | 苏州天裕塑胶有限公司 | PP-based lug material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198991A (en) * | 2017-12-25 | 2018-06-22 | 惠州Tcl金能电池有限公司 | Battery and its temperature-sensitive lug |
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