CN103633313A - Preparation method for graphite fluoride-lithium manganate composite material and application of same to prepare lithium ion battery as cathode material - Google Patents
Preparation method for graphite fluoride-lithium manganate composite material and application of same to prepare lithium ion battery as cathode material Download PDFInfo
- Publication number
- CN103633313A CN103633313A CN201210478464.4A CN201210478464A CN103633313A CN 103633313 A CN103633313 A CN 103633313A CN 201210478464 A CN201210478464 A CN 201210478464A CN 103633313 A CN103633313 A CN 103633313A
- Authority
- CN
- China
- Prior art keywords
- fluorographite
- composite material
- limn2o4
- graphite fluoride
- lithium
- 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.)
- Granted
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 13
- 239000010439 graphite Substances 0.000 title claims abstract description 13
- 239000010406 cathode material Substances 0.000 title claims abstract description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 7
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 title abstract description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims abstract description 20
- 230000004927 fusion Effects 0.000 claims abstract description 15
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims abstract description 9
- 239000005030 aluminium foil Substances 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 5
- 239000006258 conductive agent Substances 0.000 claims abstract description 5
- 239000012153 distilled water Substances 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 45
- -1 compound manganate Chemical class 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 102220043159 rs587780996 Human genes 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 239000006230 acetylene black Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 5
- 229910015645 LiMn Inorganic materials 0.000 description 4
- 239000010405 anode material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
Classifications
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/5835—Comprising fluorine or fluoride salts
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- 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
Abstract
The invention relates to a preparation method for a graphite fluoride-lithium manganate composite material and application of the same to prepare a lithium ion battery as a cathode material. The technical scheme is characterized in: (1) adding a certain amount of hydrofluoric acid and distilled water into purchased conventional graphite fluoride, performing ultrasonic cleaning and drying to removing impurities on the surface of graphite fluoride; (2) mixing cleaned graphite fluoride with lithium manganate according to a certain ratio, putting in a fusion spheroidizing machine to fully fuse; (3) performing iron removing and screening on the fused graphite fluoride-lithium manganate composite material to obtain the graphite fluoride combined lithium manganate cathode material; and (4) adding a conductive agent and a binder into the composite material, coating aluminium foil with the mixture to prepare a cathode piece and further to prepare the lithium battery by employing the cathode piece, graphite anode and electrolyte. The preparation technology is simple in operation, and helps to overcome the disadvantages of graphite fluoride and LiMn2O4 material, combine the advantages of the two and substantially improve the capacity and the rate capability of LiMn2O4 material, and the composite material is applicable to preparation of the lithium ion power battery.
Description
Technical field
The present invention relates to the electrode material that lithium battery is used, be specifically related to the preparation method of the compound positive electrode of fluorographite and LiMn2O4, belong to the technical field of anode material of lithium battery.
Background technology
Fluorographite is the directly reaction and a kind of compound between graphite layers of making has good thermal stability of carbon and fluorine, is electricity and heat insulation body, is not subject to the corrosion of strong acid and highly basic, and greasy property is over MoS
2and crystalline flake graphite.
Fluorographite has following excellent specific property as anode material of lithium battery: (1) voltage is high, and energy density is high.The actual nominal voltage of general manganese cell is 3V, and energy density is 360Wh/kg.Button fluorographite lithium battery open circuit voltage is about 3.3V, and discharge platform voltage is about 2.8V (current density 0.1mA/cm
2), more than specific capacity can reach 800mAh/g, more than energy density can reach 500Wh/Kg; (2) fluorographite utilance is high, voltage is steady.According to exoelectrical reaction mechanism, owing to generating the carbon of conductivity, utilance is almost 100%, and during electric discharge, internal resistance does not increase, and discharge voltage is stabilized to the latter stage of discharging.
Fluorographite lithium battery is defectiveness also, is first battery preparation cost problem, by aforementioned various preparation technologies, can be found out, produces fluorographite lithium primary battery and controls stricter to equipment, technique etc.Next is when discharging current or discharge-rate increase, at this moment, due to the impact of the factors such as internal resistance increase or electrode polarization, battery performance is obviously declined.
LiMn for anode material for lithium-ion batteries
2o
4there is spinel structure.Its theoretical capacity is 148 mAh/g, and actual capacity is 90～120mAh/g.Operating voltage range is 3～4V.The major advantage of manganate cathode material for lithium is: manganese aboundresources, low price, and safe, than being easier to preparation.Shortcoming is that theoretical capacity is not high; Material can slowly dissolve in electrolyte, not so good with electrolytical compatibility; In the process discharging and recharging in the degree of depth, easily there is the rugged change of lattice in material, causes battery capacity to decay rapidly.
The object of the invention is to overcome fluorographite and LiMn
2o
4the deficiency of material, in conjunction with both advantages, provides the preparation method of the compound manganate cathode material for lithium of a kind of fluorographite.This material has fluorographite and LiMn
2o
4be composited, have Van der Waals force to connect, significantly improved LiMn
2o
4the capacity of material and high rate performance, be suitable as lithium-ion-power cell and use.
Summary of the invention
The invention provides the preparation method of a kind of fluorographite and LiMn2O4 composite material and prepare lithium ion battery as positive electrode, concrete preparation process is as follows:
(1) will in the common fluorographite of buying, add a certain amount of hydrofluoric acid and distilled water, with Ultrasonic Cleaning, dry, remove fluorographite surface impurity.
(2) fluorographite after cleaning is mixed with LiMn2O4 according to a certain percentage, be added to fusion balling machine and fully merge.
(3) composite material of the fluorographite after fusion and LiMn2O4, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
(4) composite material adds conductive agent and binding agent, is coated on aluminium foil, makes anode pole piece, makes lithium battery with graphite cathode and electrolyte.
Fluorographite in step (1), fluorinated volume 10%～50%, purity is 99%～99.9%, granularity D50=5 ± 1 μ m.
In step (1), the concentration of hydrofluoric acid is 10%-20%, and the ratio that adds the amount of substance of hydrofluoric acid and fluorographite is 1: 10～1: 50.
In step (1), Ultrasonic Cleaning is 0.5～2 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.
In step (2), the mass ratio of fluorographite and LiMn2O4 is 1: 5～1: 20, and LiMn2O4 granularity is D50=10～11 μ m.
In step (2), merge balling machine temperature at 80～150 ℃, rotating speed 500～900Hz, merges 1～3 hour.
In step (4), binding agent is polyvinyl alcohol (PVDF), and conductive agent is conductive black, acetylene black or active carbon.
Feature of the present invention is: the positive electrode that fluorographite and LiMn2O4 are compound, have high gram specific capacity high (130～200mAh/g), compared with lithium manganate material capacity, obviously increase, electric conductivity improves, in high rate charge-discharge, cycle performance also significantly improves simultaneously.5C discharges and recharges, and discharge capacity, more than 140mAh/g, circulates 200 weeks first, and capability retention is 97%～98%.
Embodiment
Embodiment mono-
Concentration is the fluorographite of 10% hydrofluoric acid and fluorinated volume 20%, in amount of substance ratio, is to mix at 1: 10, Ultrasonic Cleaning 1 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.Fluorographite is to add fusion balling machine to mix at 1: 8 with the mass ratio of LiMn2O4, merges balling machine temperature at 150 ℃, and rotating speed 900Hz, merges 2 hours.Composite material after fusion, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
Compound material is added to conductive black and PVDF, be coated on aluminium foil, make anode pole piece, make lithium battery with graphite cathode and electrolyte.Under 20 ± 5 ℃ of environmental conditions, battery is carried out within the scope of 3.0～4.2V to constant current charge-discharge test, concrete outcome sees the following form.
Embodiment bis-
Concentration is the fluorographite of 10% hydrofluoric acid and fluorinated volume 30%, in amount of substance ratio, is to mix at 1: 10, Ultrasonic Cleaning 1 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.Fluorographite is to add fusion balling machine to mix at 1: 8 with the mass ratio of LiMn2O4, merges balling machine temperature at 150 ℃, and rotating speed 800Hz, merges 2 hours.Composite material after fusion, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
Compound material is added to conductive black and PVDF, be coated on aluminium foil, make anode pole piece, make lithium battery with graphite cathode and electrolyte.Under 20 ± 5 ℃ of environmental conditions, battery is carried out within the scope of 3.0～4.2V to constant current charge-discharge test, concrete outcome sees the following form.
Embodiment tri-
Concentration is the fluorographite of 10% hydrofluoric acid and fluorinated volume 30%, in amount of substance ratio, is to mix at 1: 10, Ultrasonic Cleaning 1 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.Fluorographite is to add fusion balling machine to mix at 1: 15 with the mass ratio of LiMn2O4, merges balling machine temperature at 150 ℃, and rotating speed 800Hz, merges 2 hours.Composite material after fusion, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
Compound material is added to conductive black and PVDF, be coated on aluminium foil, make anode pole piece, make lithium battery with graphite cathode and electrolyte.Under 20 ± 5 ℃ of environmental conditions, battery is carried out within the scope of 3.0～4.2V to constant current charge-discharge test, concrete outcome sees the following form.
Embodiment tetra-
Concentration is the fluorographite of 10% hydrofluoric acid and fluorinated volume 40%, in amount of substance ratio, is to mix at 1: 10, Ultrasonic Cleaning 1 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.Fluorographite is to add fusion balling machine to mix at 1: 15 with the mass ratio of LiMn2O4, merges balling machine temperature at 150 ℃, and rotating speed 900Hz, merges 2 hours.Composite material after fusion, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
Compound material is added to conductive black and PVDF, be coated on aluminium foil, make anode pole piece, make lithium battery with graphite cathode and electrolyte.Under 20 ± 5 ℃ of environmental conditions, battery is carried out within the scope of 3.0～4.2V to constant current charge-discharge test, concrete outcome sees the following form.
Embodiment five
Concentration is the fluorographite of 10% hydrofluoric acid and fluorinated volume 50%, in amount of substance ratio, is to mix at 1: 10, Ultrasonic Cleaning 1 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.Fluorographite is to add fusion balling machine to mix at 1: 15 with the mass ratio of LiMn2O4, merges balling machine temperature at 150 ℃, and rotating speed 900Hz, merges 2 hours.Composite material after fusion, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
Compound material is added to conductive black and PVDF, be coated on aluminium foil, make anode pole piece, make lithium battery with graphite cathode and electrolyte.Under 20 ± 5 ℃ of environmental conditions, battery is carried out within the scope of 3.0～4.2V to constant current charge-discharge test, concrete outcome sees the following form.
Claims (7)
1. the invention provides the preparation method of a kind of fluorographite and LiMn2O4 composite material and prepare lithium ion battery as positive electrode, concrete preparation process is as follows:
(1) will in the common fluorographite of buying, add a certain amount of hydrofluoric acid and distilled water, with Ultrasonic Cleaning, dry, remove fluorographite surface impurity.
(2) fluorographite after cleaning is mixed with LiMn2O4 according to a certain percentage, be added to fusion balling machine and fully merge.
(3) composite material of the fluorographite after fusion and LiMn2O4, through deironing, screening, obtains the compound manganate cathode material for lithium of fluorographite.
(4) composite material adds conductive agent and binding agent, is coated on aluminium foil, makes anode pole piece, makes lithium battery with graphite cathode and electrolyte.
2. fluorographite in step (1), fluorinated volume 10%～50%, purity is 99%～99.9%, granularity D50=5 ± 1 μ m.
3. in step (1), the concentration of hydrofluoric acid is 10%-20%, and the ratio that adds the amount of substance of hydrofluoric acid and fluorographite is 1: 10～1: 50.
4. the middle Ultrasonic Cleaning of step (1) is 0.5～2 hour, and suction filtration is placed on 200 ℃ of baking ovens and dries 2 hours.
5. in step (2), the mass ratio of fluorographite and LiMn2O4 is 1: 5～1: 20, and LiMn2O4 granularity is D50=10～11 μ m.
6. in step (2), merge balling machine temperature at 80～150 ℃, rotating speed 500～900Hz, merges 1～3 hour.
7. in step (4), binding agent is polyvinyl alcohol (PVDF), and conductive agent is conductive black, acetylene black or active carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478464.4A CN103633313B (en) | 2012-11-13 | 2012-11-13 | The preparation method of a kind of fluorographite and LiMn2O4 composite material and prepare lithium ion battery as positive electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478464.4A CN103633313B (en) | 2012-11-13 | 2012-11-13 | The preparation method of a kind of fluorographite and LiMn2O4 composite material and prepare lithium ion battery as positive electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103633313A true CN103633313A (en) | 2014-03-12 |
| CN103633313B CN103633313B (en) | 2016-04-06 |
Family
ID=50214104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210478464.4A Active CN103633313B (en) | 2012-11-13 | 2012-11-13 | The preparation method of a kind of fluorographite and LiMn2O4 composite material and prepare lithium ion battery as positive electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103633313B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384812A (en) * | 2016-10-13 | 2017-02-08 | 江苏超电新能源科技发展有限公司 | Surface-modified carbon fluoride material, and method and application thereof |
| CN108807929A (en) * | 2018-06-25 | 2018-11-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of preparation method and product of reserve type lithium battery positive electrode |
| CN109368633A (en) * | 2018-10-18 | 2019-02-22 | 山东理工大学 | A kind of lithium primary battery fluorographite positive electrode of modification and preparation method thereof |
| CN111952584A (en) * | 2020-07-13 | 2020-11-17 | 深圳市秸川材料科技有限公司 | Lithium battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050048366A1 (en) * | 2003-08-27 | 2005-03-03 | Bowden William L. | Cathode material and method of manufacturing |
| CN102602908A (en) * | 2012-04-09 | 2012-07-25 | 上海尚饮思生化医药有限公司 | Purification method of battery-grade graphite fluoride |
| CN102655231A (en) * | 2012-05-08 | 2012-09-05 | 广州市香港科大霍英东研究院 | Novel preparation method of anode material LiMn2O4 of high-power-performance lithium ion battery |
| CN102709557A (en) * | 2012-06-05 | 2012-10-03 | 无锡合志科技有限公司 | Preparation method for anode paste of lithium iron phosphate battery |
-
2012
- 2012-11-13 CN CN201210478464.4A patent/CN103633313B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050048366A1 (en) * | 2003-08-27 | 2005-03-03 | Bowden William L. | Cathode material and method of manufacturing |
| CN102602908A (en) * | 2012-04-09 | 2012-07-25 | 上海尚饮思生化医药有限公司 | Purification method of battery-grade graphite fluoride |
| CN102655231A (en) * | 2012-05-08 | 2012-09-05 | 广州市香港科大霍英东研究院 | Novel preparation method of anode material LiMn2O4 of high-power-performance lithium ion battery |
| CN102709557A (en) * | 2012-06-05 | 2012-10-03 | 无锡合志科技有限公司 | Preparation method for anode paste of lithium iron phosphate battery |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384812A (en) * | 2016-10-13 | 2017-02-08 | 江苏超电新能源科技发展有限公司 | Surface-modified carbon fluoride material, and method and application thereof |
| CN106384812B (en) * | 2016-10-13 | 2019-01-04 | 江苏超电新能源科技发展有限公司 | A kind of modified fluorinated carbon material in surface and its method and application |
| CN108807929A (en) * | 2018-06-25 | 2018-11-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of preparation method and product of reserve type lithium battery positive electrode |
| CN108807929B (en) * | 2018-06-25 | 2021-06-25 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Preparation method of positive electrode material for reserve type lithium battery and product |
| CN109368633A (en) * | 2018-10-18 | 2019-02-22 | 山东理工大学 | A kind of lithium primary battery fluorographite positive electrode of modification and preparation method thereof |
| CN111952584A (en) * | 2020-07-13 | 2020-11-17 | 深圳市秸川材料科技有限公司 | Lithium battery |
| CN111952584B (en) * | 2020-07-13 | 2022-07-08 | 深圳市秸川材料科技有限公司 | Lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103633313B (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yao et al. | 5, 7, 12, 14-Pentacenetetrone as a high-capacity organic positive-electrode material for use in rechargeable lithium batteries | |
| CN103855431B (en) | A kind of chemical synthesizing method improving cycle performance of lithium ion battery | |
| CN105552324A (en) | Preparation method for lithium iron phosphate coated lithium nickel cobalt manganese composite material | |
| CN104810550A (en) | Preparation method of functional additive-containing lithium ion battery | |
| CN1658413A (en) | Lithium cell plus plate and its preparation method and lithium ion secondary battery | |
| CN106602129B (en) | A kind of polyion battery and preparation method thereof | |
| CN111276674B (en) | Modified graphite negative electrode material, preparation method thereof and battery containing modified graphite negative electrode | |
| CN109494349A (en) | Negative pole piece and secondary battery | |
| JP7106762B2 (en) | Positive electrode sheet, manufacturing method thereof, and lithium ion secondary battery | |
| CN103390748B (en) | A kind of preparation method of alumina-coated lithium cobaltate cathode material | |
| CN102593444A (en) | Preparation method of carbon-coated lithium titanate and product of carbon-coated lithium titanate | |
| CN105470473A (en) | Positive electrode active material and secondary battery | |
| CN106410267A (en) | Silicon-based lithium ion secondary battery with high specific energy and preparation method of lithium ion secondary battery | |
| CN113130988A (en) | Electrolyte and electrochemical device using same | |
| KR20160074386A (en) | Lithium ion secondary battery | |
| CN110931871A (en) | High-temperature-resistant electrolyte adaptive to silicon-carbon negative electrode material for lithium ion battery | |
| CN102569788A (en) | Lithium ion battery anode material and preparation method thereof, and lithium ion battery | |
| CN103633313B (en) | The preparation method of a kind of fluorographite and LiMn2O4 composite material and prepare lithium ion battery as positive electrode | |
| CN111799502B (en) | Garnet type solid composite electrolyte, preparation method and application | |
| CN109411706B (en) | Modified working electrode and preparation method thereof | |
| CN105226325B (en) | A kind of lithium titanate battery electrolyte and lithium titanate battery | |
| CN102447129A (en) | Nonaqueous electrolyte secondary battery | |
| CN102956890B (en) | Low-temperature carbon-coated composite material, its preparation method and application | |
| CN105355878A (en) | Material used as positive electrode of lithium ion battery and preparation method therefor | |
| KR20110078307A (en) | Metal based zn negative active material and lithium secondary battery comprising thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Jin Yong road 300180 Tianjin City Hedong District No. 174 building 201 Applicant after: TIANJIN KIMWAN CARBON TECHNOLOGY AND DEVELOPMENT CO.,LTD. Address before: Nine weft road 300171 Tianjin City Hedong District No. 103 building 11 layer Manhattan Applicant before: TIANJIN KIMWAN CARBON TECHNOLOGY AND DEVELOPMENT CO.,LTD. |
|
| COR | Change of bibliographic data | ||
| CB02 | Change of applicant information |
Address after: 300180 R & D building, No. 174 Jintang Road, Hedong District, Tianjin, 201 Applicant after: TIANJIN KIMWAN CARBON TECHNOLOGY AND DEVELOPMENT CO.,LTD. Address before: Jin Yong road 300180 Tianjin City Hedong District No. 174 building 201 Applicant before: TIANJIN KIMWAN CARBON TECHNOLOGY AND DEVELOPMENT CO.,LTD. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: Industrial Zone of Lutai Economic and Technological Development Zone in Tangshan, Hebei Province Patentee after: TANGSHAN KIMWAN SPECIAL CARBON&GRAPHITE Co.,Ltd. Country or region after: China Address before: 300180 R & D building 174, Jintang Road, Hedong District, Tianjin 201 Patentee before: TIANJIN KIMWAN CARBON TECHNOLOGY AND DEVELOPMENT CO.,LTD. Country or region before: China |