CN102157753A - Fast-charging high-power winding column type lithium ion battery - Google Patents
Fast-charging high-power winding column type lithium ion battery Download PDFInfo
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- CN102157753A CN102157753A CN2011100728547A CN201110072854A CN102157753A CN 102157753 A CN102157753 A CN 102157753A CN 2011100728547 A CN2011100728547 A CN 2011100728547A CN 201110072854 A CN201110072854 A CN 201110072854A CN 102157753 A CN102157753 A CN 102157753A
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- lithium
- ion battery
- lithium ion
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- high power
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 title abstract 3
- 239000003792 electrolyte Substances 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010439 graphite Substances 0.000 claims abstract description 12
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 12
- 239000011889 copper foil Substances 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 9
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims abstract description 8
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- 239000010949 copper Substances 0.000 claims abstract description 3
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011230 binding agent Substances 0.000 claims description 24
- 239000006258 conductive agent Substances 0.000 claims description 24
- 239000005030 aluminium foil Substances 0.000 claims description 11
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 9
- 239000010452 phosphate Substances 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 abstract 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 abstract 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 abstract 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 abstract 2
- 239000011888 foil Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 abstract 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 abstract 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 abstract 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 abstract 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 abstract 1
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 239000002033 PVDF binder Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 229910032387 LiCoO2 Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910011396 LiCoxNiyMnzO2 Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a fast-charging high-power winding column type lithium ion battery which comprises a positive pole piece, a negative pole piece and a porous isolating membrane, the positive pole piece, the negative pole piece and the porous isolating membrane are wound into a column type core body in sequence, a metal case is sheathed outside the core body, and an electrolytic liquid is injected into the metal case. The fast-charging high-power winding column type lithium ion battery is characterized in that a positive pole material is one or more than one of lithium cobalt oxide, lithium manganese oxide, three-element material, aluminum-doped nickel cobalt lithium, lithium iron phosphate and lithium vanadate; a negative pole material is one or more than one of graphite and lithium titanate. The positive current collector is a pretreated aluminum foil or aluminum mesh with the thickness of 8-30 micrometers; and the negative current collector is a copper foil, a copper mesh, a nickel-plated iron foil or a nickel-plated iron mesh with the thickness of 8-30 micrometers. An electrolyte in the electrolytic liquid is one or a mixture of lithium hexafluorophosphate and biethyl diacid lithium borate; and a solvent in the electrolytic liquid is a mixture of two or more than two of EC (Ethylene Carbonate), PC (Propylene Carbonate), DMC (Dimethyl Carbonate), DEC (Diethyl Carbonate), EA (Ethyl Acetate) and the like. In the invention, not only can high-power output of the battery be realized, but also the fast charging of the battery can be realized, and safety performance is high.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of battery.
Background technology
Along with the lithium electricity more and more widely be applied to various fields in life, conventional lithium battery be on anodal electrolysis aluminium foil, apply materials such as the sour lithium of one deck cobalt, LiMn2O4 in a kind of, negative pole applies one deck graphite at copper foil surface, and the electrolyte of electrolyte is a lithium hexafluoro phosphate.
Batteries such as the traditional relatively plumbic acid of cylindrical lithium ion battery, ni-mh, NI-G are compared, have in light weight, characteristics such as volume is little, energy density is high, self discharge is little, memory-less effect, environmental friendliness, be widely used in fields such as portable set, communication electrical equipment, toy, electric tool, energy storage.
The common cylinder lithium ion battery can only low discharging current, does not support basically to fill soon, and the power output density is less.Patent of the present invention is by optimizing product structure, filling a prescription, different positive electrodes, the negative material stratiform is compound, guaranteed that battery can support the output of quick charge, high power can guarantee the useful life that product uses simultaneously, improve the serviceability of product greatly, owing to use the aluminium foil after the corrosion can improve the current density of positive electrode, fill soon and power density thereby improved battery, simultaneously because the collector specific area can overcharge the state safety assurance for battery more greatly as collector.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective and provide a kind ofly can realize that battery high power output also can realize filling soon of battery, and security performance high fill high power coiling pillar lithium ion battery soon.
Purpose of the present invention and solve its technical problem underlying and realize by the following technical solutions:
The high power coiling pillar lithium ion battery that fills soon of the present invention, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is wherein one or more of cobalt acid lithium, LiMn2O4, element material, nickel cobalt lithium aluminate, LiFePO 4, lithium vanadate; Negative material is one or more in graphite, the lithium titanate.
The above-mentioned high power coiling pillar lithium ion battery that fills soon, it is characterized in that: cathode mix is a positive electrode: binding agent: the conductive agent weight ratio is: 70～96:2～10:2～20.
The above-mentioned high power coiling pillar lithium ion battery that fills soon, it is characterized in that: the negative pole mixture is a negative material: binding agent: the conductive agent weight ratio is: 70～96:2～10:2～20.
The above-mentioned high power coiling pillar lithium ion battery that fills soon, it is characterized in that: binding agent is the Kynoar or the polyacrylate dispersion of molecular weight 30～1,000,000; Conductive agent is one or more in conductive carbon black, electrically conductive graphite, the conductive carbon fibre.
The above-mentioned high power coiling pillar lithium ion battery that fills soon is characterized in that: plus plate current-collecting body is a thickness at 8～30 microns preliminary treatment aluminium foil or aluminium net; Negative current collector is a thickness at 8～30 microns Copper Foil, copper mesh, iron nickel plating paper tinsel or iron nickel plating net.
The above-mentioned high power coiling pillar lithium ion battery that fills soon is characterized in that: the electrolyte in the electrolyte is that a kind of of lithium hexafluoro phosphate, biethyl diacid lithium borate or two kinds mix; Solvent in the electrolyte is two kinds or several mixing of EC, PC, DMC, DEC, EA etc.
The present invention compared with prior art, have tangible beneficial effect, as can be known from the above technical solutions: the aluminium foil of preliminary treatment (chemical treatment) has improved anodal contact area with collector and can improve the battery power output and can effectively improve the fail safe that battery fills performance soon and overcharges state; Multiple positive and negative pole material multilayer is prolonged flow coat cloth, has improved the migration velocity of the middle lithium ion of both positive and negative polarity, has optimized the interface performance of collector and both positive and negative polarity and can realize that not only the output of battery high power also can realize filling soon of battery; Thereby multiple electrolyte mixes the power density of using the conductance raising battery that improves electrolyte and fills performance soon; The metal-back that battery is sealed has explosion-proof line in the bottom, explosion-proof line can be shapes such as K, X, Y, T or circle, thereby explosion-proof line is opened and carried out pressure release and reaches and guarantee the cell safety purpose can guarantee battery generation potential safety hazard the time.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and the effect thereof of the high security pillar lithium ion battery that foundation the present invention is proposed are described in detail as follows:
Embodiment 1:
Fill high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell, wherein outside core body: positive electrode is cobalt acid lithium (LiCoO
2), negative material is that graphite, lithium titanate part by weight are 7:3, and binding agent is the Kynoar (PVDF) of molecular weight 30～1,000,000, and conductive agent is a conductive carbon black.
Positive electrode in the cathode mix: binding agent: the weight ratio of conductive agent is 8:1:1.
Negative material in the negative pole mixture: binding agent: the weight ratio of conductive agent is 80:12:8.
Plus plate current-collecting body is a thickness at 8 microns preliminary treatment aluminium foil; Negative current collector is a thickness at 8 microns Copper Foil.
Electrolyte in the electrolyte is a lithium hexafluoro phosphate; Solvent in the electrolyte is 1:1:1 for the EC:DMC:DEC ratio
Wherein negative pole is applied to the multilayer shape and prolongs flow coat and cover all the other technology manufacturings routinely.
Embodiment 2:
Fill high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is cobalt acid lithium (LiCoO
2), LiMn2O4 (LiMn
2O
4), the lithium vanadate part by weight is 4:5:1; Negative material is that graphite, lithium titanate part by weight are the Kynoar (PVDF) of molecular weight 30～1,000,000 for the 7:3 binding agent; Conductive agent is a conductive carbon black.
Positive electrode in the cathode mix: binding agent: the weight ratio of conductive agent is 80:12:8.
Negative material in the negative pole mixture: binding agent: the weight ratio of conductive agent is 80:12:8.
Plus plate current-collecting body is a thickness at 8 microns preliminary treatment aluminium foil; Negative current collector is a thickness at 8 microns Copper Foil
Electrolyte in the electrolyte is that to carry out mixed proportion for two kinds be 6:4 for lithium hexafluoro phosphate, biethyl diacid lithium borate;
The solvent of separating in the liquid is 1:1:1 for the PC:DMC:DEC ratio
Wherein both positive and negative polarity is applied to the multilayer shape and prolongs flow coat and cover all the other technology manufacturings routinely.
Embodiment 3:
Fill high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is nickel cobalt lithium aluminate (LiCoO
2), element material (LiCoxNiyMnzO
2), the LiFePO 4 part by weight is 4:5:1; Negative material is that graphite, lithium titanate part by weight are the Kynoar (PVDF) of molecular weight 30～1,000,000 for the 7:3 binding agent; Conductive agent is a conductive carbon black.
Positive electrode in the cathode mix: binding agent: the conductive agent weight ratio is 80:12:8.
Negative material in the negative pole mixture: binding agent: the conductive agent weight ratio is: 80:12:8
Plus plate current-collecting body is a thickness at 8 microns preliminary treatment aluminium foil; Negative current collector is a thickness at 8 microns Copper Foil
Electrolyte in the electrolyte is that to carry out mixed proportion for two kinds be 6:4 for lithium hexafluoro phosphate, biethyl diacid lithium borate;
The solvent of separating in the liquid is 1:1:1 for the PC:DMC:DEC ratio
Wherein both positive and negative polarity is applied to the multilayer shape and prolongs flow coat and cover all the other technology manufacturings routinely.
Embodiment 4:
Fill high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is that nickel cobalt lithium aluminate (LiCoO2), element material (LiCoxNiyMnzO2), lithium vanadate part by weight are 4:5:1; Negative material is that graphite, lithium titanate part by weight are the Kynoar (PVDF) of molecular weight 30～1,000,000 for the 7:3 binding agent; Conductive agent is a conductive carbon black.
Positive electrode in the cathode mix: binding agent: the conductive agent weight ratio is 80:12:8.
Negative material in the negative pole mixture: binding agent: the conductive agent weight ratio is 80:12:8
Plus plate current-collecting body is a thickness at 8 microns preliminary treatment aluminium foil; Negative current collector is a thickness at 8 microns Copper Foil
Electrolyte in the electrolyte is that to carry out mixed proportion for two kinds be 6:4 for lithium hexafluoro phosphate, biethyl diacid lithium borate;
The solvent of separating in the liquid is 1:1:1 for the PC:DMC:DEC ratio
Wherein both positive and negative polarity is applied to the multilayer shape and prolongs flow coat and cover all the other technology manufacturings routinely.
Embodiment 5:
Fill high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is that nickel cobalt lithium aluminate (LiCoO2), LiMn2O4 (LiMn2O4), lithium vanadate part by weight are 4:5:1; Negative material is that graphite, lithium titanate part by weight are the Kynoar (PVDF) of molecular weight 30～1,000,000 for the 7:3 binding agent; Conductive agent is a conductive carbon black.
Positive electrode in the cathode mix: binding agent: the conductive agent weight ratio is: 80:12:8.
Negative material in the negative pole mixture: binding agent: the conductive agent weight ratio is: 80:12:8
Plus plate current-collecting body is a thickness at 8 microns preliminary treatment aluminium foil; Negative current collector is a thickness at 8 microns Copper Foil
Electrolyte in the electrolyte is that to carry out mixed proportion for two kinds be 6:4 for lithium hexafluoro phosphate, biethyl diacid lithium borate;
The solvent of separating in the liquid is 1:1:1 for the PC:DMC:DEC ratio
Wherein both positive and negative polarity is applied to the multilayer shape and prolongs flow coat and cover all the other technology manufacturings routinely.
Embodiment 6:
Fill high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is that nickel cobalt lithium aluminate (LiCoO2), lithium vanadate part by weight are 5:5; Negative material is that graphite, lithium titanate part by weight are the Kynoar (PVDF) of molecular weight 30～1,000,000 for the 7:3 binding agent; Conductive agent is a conductive carbon black.
Positive electrode in the cathode mix: binding agent: the conductive agent weight ratio is: 80:12:8.
Negative material in the negative pole mixture: binding agent: the conductive agent weight ratio is: 80:12:8
Plus plate current-collecting body is a thickness at 8 microns preliminary treatment aluminium foil; Negative current collector is a thickness at 8 microns Copper Foil
Electrolyte in the electrolyte is that to carry out mixed proportion for two kinds be 6:4 for lithium hexafluoro phosphate, biethyl diacid lithium borate;
The solvent of separating in the liquid is 1:1:1 for the PC:DMC:DEC ratio
Wherein both positive and negative polarity is applied to the multilayer shape and prolongs flow coat and cover technology manufacturing routinely.
Of the present inventionly be not limited to the embodiment described in the embodiment, those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (6)
1. one kind is filled high power coiling pillar lithium ion battery soon, comprise anode pole piece, cathode pole piece, porous isolating membrane, reel and become the pillar core body successively, and suit metal shell, electrolyte are annotated in metal shell outside core body, it is characterized in that: positive electrode is wherein one or more of cobalt acid lithium, LiMn2O4, element material, nickel cobalt lithium aluminate, LiFePO 4, lithium vanadate; Negative material is one or more in graphite, the lithium titanate.
2. the high power coiling pillar lithium ion battery that fills soon according to claim 1, it is characterized in that: cathode mix is a positive electrode: binding agent: the conductive agent weight ratio is: 70～96:2～10:2～20.
3. the high power coiling pillar lithium ion battery that fills soon according to claim 1, it is characterized in that: the negative pole mixture is a negative material: binding agent: the conductive agent weight ratio is: 70～96:2～10:2～20.
4. according to the described high power coiling pillar lithium ion battery that fills soon of one of claim 1-3, it is characterized in that: binding agent is the Kynoar or the polyacrylate dispersion of molecular weight 30～1,000,000; Conductive agent is one or more in conductive carbon black, electrically conductive graphite, the conductive carbon fibre.
5. the high power coiling pillar lithium ion battery that fills soon according to claim 4 is characterized in that: plus plate current-collecting body is a thickness at 8～30 microns preliminary treatment aluminium foil or aluminium net; Negative current collector is a thickness at 8～30 microns Copper Foil, copper mesh, iron nickel plating paper tinsel or iron nickel plating net.
6. the high power coiling pillar lithium ion battery that fills soon according to claim 5 is characterized in that: the electrolyte in the electrolyte is that a kind of of lithium hexafluoro phosphate, biethyl diacid lithium borate or two kinds mix; Solvent in the electrolyte is two kinds or several mixing of EC, PC, DMC, DEC, EA etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100728547A CN102157753A (en) | 2011-03-25 | 2011-03-25 | Fast-charging high-power winding column type lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100728547A CN102157753A (en) | 2011-03-25 | 2011-03-25 | Fast-charging high-power winding column type lithium ion battery |
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| CN102157753A true CN102157753A (en) | 2011-08-17 |
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| CN2011100728547A Pending CN102157753A (en) | 2011-03-25 | 2011-03-25 | Fast-charging high-power winding column type lithium ion battery |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903889A (en) * | 2012-08-15 | 2013-01-30 | 河南锂动电源有限公司 | Production method of high power lithium ion battery cathode sheet |
| CN103035925A (en) * | 2011-09-30 | 2013-04-10 | 天津市捷威动力工业有限公司 | Lithium-ion power battery, lithium-ion power battery current collecting body, negative electrode pole piece |
| CN103427084A (en) * | 2013-09-05 | 2013-12-04 | 深圳市宜加新能源科技有限公司 | Positive electrode sizing agent of ultralow-temperature lithium battery and ultralow-temperature lithium battery |
| CN104752671A (en) * | 2015-03-09 | 2015-07-01 | 芜湖迈特电子科技有限公司 | Quick charging back clip mobile battery |
| CN104779377A (en) * | 2015-04-02 | 2015-07-15 | 深圳市沃特玛电池有限公司 | Method for improving safety performance of ternary battery |
| CN106058303A (en) * | 2016-07-28 | 2016-10-26 | 广西卓能新能源科技有限公司 | 18650 lithium ion battery and preparation method thereof |
| CN106920924A (en) * | 2015-12-27 | 2017-07-04 | 深圳市沃特玛电池有限公司 | Anode material of lithium battery, lithium battery anode piece preparation method and lithium battery preparation method |
| CN108390095A (en) * | 2018-02-11 | 2018-08-10 | 三门峡速达交通节能科技股份有限公司 | A kind of lithium battery material and preparation method thereof |
| CN109088096A (en) * | 2018-10-15 | 2018-12-25 | 山西恒昌元科技有限公司 | cylindrical lithium battery structure |
| CN114824287A (en) * | 2022-05-09 | 2022-07-29 | 江苏正力新能电池技术有限公司 | Battery core, battery module and battery pack |
| CN114883562A (en) * | 2022-05-09 | 2022-08-09 | 江苏正力新能电池技术有限公司 | Battery core, battery module and battery pack |
| CN115066779A (en) * | 2021-12-13 | 2022-09-16 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN117691041A (en) * | 2023-11-17 | 2024-03-12 | 惠州市豪鹏科技有限公司 | A lithium-ion battery |
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Application publication date: 20110817 |