CN106298260B - A kind of preparation method of fluorinated carbon material super-capacitor pole piece - Google Patents
A kind of preparation method of fluorinated carbon material super-capacitor pole piece Download PDFInfo
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- CN106298260B CN106298260B CN201610817740.3A CN201610817740A CN106298260B CN 106298260 B CN106298260 B CN 106298260B CN 201610817740 A CN201610817740 A CN 201610817740A CN 106298260 B CN106298260 B CN 106298260B
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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
- Y02E60/13—Energy storage using capacitors
Abstract
A kind of preparation method of fluorinated carbon material super-capacitor pole piece, include the following steps: that (1) using carbon nanotube or super carbon black as conductive additive, weighs and is placed in a beaker in right amount, dispersing agent and N-Methyl pyrrolidone solvent is added, by 20 ~ 40min of ultrasonic disperse, dispersion liquid is obtained；(2) it weighs suitable fluorographite to be placed in dispersion liquid, shearing dispersion 30min ~ 1h；(3) it by the dispersion of preparation on aluminium foil, is dried in 30 ~ 80 DEG C of drying boxes, is cut into the pole piece of φ 14mm.Fluorinated carbon material super-capacitor pole piece prepared by the present invention, solve the problems, such as that super capacitor energy density is insufficient, and suitable degree of fluorination can show good electron-transport function, and the supercapacitor of preparation has lower irreversible capacity and better cyclical stability.
Description
Technical field
The invention belongs to technical field of nano material, are related to the preparation method of super-capacitor pole piece.
Background technique
With energy demand growing and novel energy storage apparatus it is increasingly developed, need high-energy density and high power
The energy storage device of density, supercapacitor are also referred to as electrochemical capacitor, are that one kind between traditional capacitor and battery is new
Type energy storage device, bigger capacity is capable of providing than traditional capacitor, and high power charging-discharging is also far superior to secondary cell.
Supercapacitor product be widely used in electric/hybrid automobile, high-power energising power in short-term, smartwatch, it is electronic from
The fields such as driving, electronic toy.The nano-carbon materials such as carbon nanotube and graphite are the common electrode materials of supercapacitor, are based on
Fluorographite and non-water system electrolyte combination be greatly improved the energy density of supercapacitor, output power, storage cycle and
Security performance, and since the introducing of fluorine, carbon-fluorine bond can be very big, it is difficult to be cut off in high temperature, high pressure and gas with various medium,
Make its performance under high temperature, high speed, high-load condition better than graphite, and experiment show fluorinated graphite material 500 DEG C with
It is upper just to start to decompose, and be in regular layer structure, surface is smooth, size is more uniform, with preferable thermal stability and well
Electron-transport function.Fluorinated carbon material supercapacitor according to the present invention is exactly to utilize fluorographite or fluorocarbons nanometer
Pipe is prepared into double electric layers supercapacitor as electrode material, to improve the performance of supercapacitor.
Summary of the invention
The object of the invention is that a kind of preparation method of fluorinated carbon material super-capacitor pole piece is proposed, to reach super electricity
Container high-energy density, the demand of high power density.
To achieve the goals above, the present invention takes following technical solution.
A kind of preparation method of fluorinated carbon material super-capacitor pole piece of the present invention, includes the following steps.
(1) it using carbon nanotube or super carbon black as conductive additive, weighs and is placed in a beaker in right amount, dispersing agent is added
Dispersion liquid is obtained by 20 ~ 40min of ultrasonic disperse with N-Methyl pyrrolidone (NMP) solvent.
(2) it weighs suitable fluorographite to be placed in dispersion liquid, shearing dispersion 30min ~ 1h.
(3) it by the dispersion of preparation on aluminium foil, is dried in 30 ~ 80 DEG C of drying boxes, is cut into the pole piece of φ 14mm.
The present invention can also be implemented with the following technical solutions.No metal collector is made using paper fiber as skeleton
Conductive paper pole piece.
A kind of preparation method of fluorinated carbon material super-capacitor pole piece, includes the following steps:
(1) it using carbon nanotube or super carbon black as conductive additive, weighs and is placed in a beaker in right amount, dispersion is added
Agent, by 20 ~ 40min of ultrasonic disperse.
(2) it weighs suitable fluorographite to be placed in dispersion liquid, shearing dispersion 30min ~ 1h obtains aqueous liquid dispersion.
(3) paper fiber is smashed again in deionized water, obtains paper fiber suspension, wherein paper fiber and fluorographite
Mass ratio is 1:2, and suspension and above-mentioned dispersion liquid are mixed and are made fluorine flower graphite conductive paper with vacuum filtration method after shearing 1h, 30
It is dried in ~ 80 DEG C of drying boxes, is cut into the pole piece of φ 14mm.
Further, the present invention can also carry out charing process to above-mentioned pole piece, increase its specific surface area and total hole volume,
Reduce resistivity.
Dispersing agent of the present invention is lauryl sodium sulfate, neopelex, trimethyl bromine
Change one or more of ammonium, Triton100 (i.e. Triton X-100) or polyethylene glycol.
Fluorinated carbon material of the present invention includes but is not limited to: fluorographite, carbon fluoride nano-tube, fluorinated reactive charcoal,
It is fluorinated the fluorocarbons such as hard carbon and fluorination soft carbon.
Fluorinated carbon material super-capacitor pole piece prepared by the present invention, solves that super capacitor energy density is insufficient to ask
Topic, and suitable degree of fluorination can show good electron-transport function, the supercapacitor of preparation have it is lower not
Reversible capacity and better cyclical stability.
Detailed description of the invention
Fig. 1 is cyclic voltammetry curve of the fluorographite conductive paper supercapacitor under the sweep speed of 100mv/s.
Fig. 2 is constant current charge-discharge curve of the fluorographite conductive paper supercapacitor under the current density of 100mA/g.
Specific embodiment
The present invention will be described further by following embodiment.But the present invention is not limited to following embodiments.
Embodiment 1.
(1) it weighs 0.05g carbon nanotube to be placed in a beaker, appropriate dispersing agent and nmp solvent is added, by ultrasonic disperse
20min obtains dispersion liquid.
(2) it weighs 0.95g fluorographite again to be placed in dispersion liquid, shearing dispersion 1h.
(3) it by the dispersion of preparation on aluminium foil, is dried in 60 DEG C of drying boxes, is cut into the pole piece of φ 14mm.
Embodiment 2.
(1) it weighs 0.05g carbon nanotube to be placed in a beaker, appropriate dispersing agent is added, by ultrasonic disperse 20min.
(2) it weighs 0.95g fluorographite again to be placed in dispersion liquid, shearing dispersion 1h obtains aqueous liquid dispersion.
(3) 0.5g paper fiber is smashed again in 200ml deionized water, obtains the paper fiber suspension of 200ml, will suspended
Fluorine flower graphite conductive paper is made with vacuum filtration method after liquid and above-mentioned dispersion liquid mixing shearing 1h, dries in 60 DEG C of drying boxes,
Charing process is carried out to manufactured conductive paper in 1000 DEG C of tube type resistance furnaces, is cut into the pole piece of φ 14mm.
Embodiment 3.
(1) it weighs 0.05g carbon nanotube to be placed in a beaker, appropriate dispersing agent is added, by ultrasonic disperse 20min.
(2) it weighs 0.95g carbon fluoride nano-tube again to be placed in dispersion liquid, shearing dispersion 1h obtains aqueous liquid dispersion.
(3) 0.5g paper fiber is smashed again in 200ml deionized water, obtains the paper fiber suspension of 200ml, will suspended
Fluorine flower graphite conductive paper is made with vacuum filtration method after liquid and above-mentioned dispersion liquid mixing shearing 1h, dries in 60 DEG C of drying boxes,
400 DEG C of progress vacuum carbonized processing, are then compacted and are cut into the super capacitor collector pole piece of φ 14mm.
Claims (4)
1. a kind of preparation method of fluorinated carbon material super-capacitor pole piece, it is characterized in that including the following steps:
(1) it using carbon nanotube or super carbon black as conductive additive, weighs and is placed in a beaker in right amount, dispersing agent, warp is added
Cross 20 ~ 40min of ultrasonic disperse；
(2) it weighs suitable fluorinated carbon material to be placed in dispersion liquid, shearing dispersion 30min ~ 1h obtains aqueous liquid dispersion；
(3) paper fiber is smashed again in deionized water, obtains paper fiber suspension, wherein the matter of paper fiber and fluorinated carbon material
Suspension and above-mentioned dispersion liquid are mixed and fluorinated carbon material conductive paper are made with vacuum filtration method after shearing 1h by amount than being 1:2, and 30
It is dried in ~ 80 DEG C of drying boxes, is cut into the pole piece of φ 14mm.
2. the preparation method of fluorinated carbon material super-capacitor pole piece according to claim 1, it is characterized in that point
Powder is lauryl sodium sulfate, neopelex, dodecyl trimethyl ammonium bromide, Triton X-100
Or one or more of polyethylene glycol.
3. the preparation method of fluorinated carbon material super-capacitor pole piece according to claim 1, it is characterized in that the fluorine
Change carbon material is fluorographite, carbon fluoride nano-tube, fluorinated reactive charcoal, fluorination hard carbon or fluorination soft carbon.
4. the preparation method of fluorinated carbon material super-capacitor pole piece according to claim 1, it is characterized in that the pole
Piece carries out charing process.
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| CN110957492A (en) * | 2018-09-26 | 2020-04-03 | 中国科学院宁波材料技术与工程研究所 | Lithium metal interface protection, preparation method thereof and battery containing lithium metal interface protection |
| CN110310840B (en) * | 2019-03-22 | 2021-07-27 | 厦门稀土材料研究所 | Positive electrode active material for potassium ion hybrid supercapacitor and potassium ion hybrid supercapacitor |
| CN111170302B (en) * | 2020-01-16 | 2021-08-17 | 厦门稀土材料研究所 | Preparation method and application of carbon fluoride material |
| CN113299914B (en) * | 2020-02-21 | 2022-08-19 | 中国科学院宁波材料技术与工程研究所 | Fluorocarbon-containing material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102610786A (en) * | 2011-12-20 | 2012-07-25 | 南昌大学 | Preparation method of ternary composite paper battery positive electrode |
Family Cites Families (5)
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| US20090111021A1 (en) * | 2007-03-14 | 2009-04-30 | Rachid Yazami | High discharge rate batteries |
| CN101678310A (en) * | 2007-05-09 | 2010-03-24 | 加州理工学院 | lithium fluoropolymer and fluoro-organic batteries |
| CN101420035B (en) * | 2008-05-26 | 2010-08-04 | 深圳市德方纳米科技有限公司 | Preparation of carbon nanotube conductive solution for lithium ionic secondary cell |
| US9305716B2 (en) * | 2010-12-03 | 2016-04-05 | Imra America, Inc. | Rechargeable electrochemical energy storage device |
| CN105047940B (en) * | 2015-06-16 | 2018-06-08 | 南昌大学 | A kind of preparation method of carbon nano-tube film |
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| CN102610786A (en) * | 2011-12-20 | 2012-07-25 | 南昌大学 | Preparation method of ternary composite paper battery positive electrode |
Non-Patent Citations (3)
| Title |
|---|
| Enhancement of discharge performance of Li/CFx cell by thermal treatment of CFx cathode material;Sheng S. Zhang等;《Journal of Power Sources》;20081207;第188卷;第601-605页 * |
| The improved discharge performance of Li/CFx batteries by using multi-walled carbon nanotubes as conductive additive;Yu Li等;《Journal of Power Sources》;20101011;第196卷;第2246-2259页 * |
| 碳纳米管分散液的制备及应用研究;程晓圆;《中国优秀硕士学位论文全文数据库工程科技I辑》;20160315;第18-24页 * |
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