CN104979100A - Tungsten disulfide-active carbon compound material and supercapacitor electrode material and preparation method therefor - Google Patents
Tungsten disulfide-active carbon compound material and supercapacitor electrode material and preparation method therefor Download PDFInfo
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- CN104979100A CN104979100A CN201510287069.1A CN201510287069A CN104979100A CN 104979100 A CN104979100 A CN 104979100A CN 201510287069 A CN201510287069 A CN 201510287069A CN 104979100 A CN104979100 A CN 104979100A
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Abstract
The invention discloses a tungsten disulfide-active carbon compound material and a supercapacitor electrode material and a preparation method therefor and belongs to the technical field of novel energy sources. The composite material is compounded by tungsten disulfide and active carbon in a mass ratio of (5-10): 1. The supercapacitor electrode material is prepared from the tungsten disulfide-active carbon compound material, carbon black and a polytetrafluoroethylene adhesive in a mass ratio of (70-80): (10-20): (5-15). The supercapacitor electrode material disclosed by the invention has great specific capacitance and high electrochemical stability, is long in service life cycle, simple and convenient in preparation method, fast, low in cost and environment-friendly, and has a relatively good application prospect.
Description
Technical field
The invention belongs to technical field of new energies, be specifically related to a kind of tungsten disulfide-absorbent charcoal composite material and electrode material for super capacitor and preparation method thereof.
Background technology
At energy field, ultracapacitor be in recent years a kind of emerging and development rapidly, the Novel energy storage apparatus of performance between traditional capacitor and secondary cell, possessed the advantage such as the high specific power of traditional capacitor and the high specific energy of secondary cell simultaneously, in addition, ultracapacitor also have charge-discharge velocity fast, have extended cycle life, operating temperature range is wide, security performance good and the feature such as economic environmental protection, be thus all widely used in all fields.
Electrode material and electrolyte system determine the capacitive property of ultracapacitor, and the leading role of electrode material is especially outstanding.Transition metal dichalcogenide must have following characteristics as the electrode material of ultracapacitor: the metal ion 1. in disulphide must have two or more oxidation state to coexist, but is unlikely to cause phase transformation; 2. proton can be come in and gone out disulphide lattice freely by reduction reaction.Tungsten disulfide (WS
2) as the Typical Representative of transition metal dichalcogenide, with S-W-S sandwich of layers for basic structural unit.In sandwich of layers, each W atom and 6 S atoms with covalent bonds, and only combine with weak model ylid bloom action power between layers.This model ylid bloom action power weak between layers, makes interlayer be opened by expansion, provides the possibility of the embedding of ion and other object just.Research shows, WS
2lamellar structure be conducive to stored energy, than general oxide, there is better ionic conducting property, than carbon-based material, there is higher theoretical ratio capacitance.But, relative to materials such as Graphene, carbon nano-tube, active carbons, WS
2electric conductivity poor, this makes its ratio capacitance relatively low, have impact on the further application of this material at energy field.
Material with carbon element, particularly sp
2the material with carbon element (as active carbon, Graphene etc.) of hydridization, the layer structure special due to it and the specific area of super large have been applied in ultracapacitor, active carbon (activated carbon, AC) be one of the most frequently used electrode material of ultracapacitor, there is the advantages such as specific area is large, conductivity is better, electrochemical stability is high, abundant raw material source.But active carbon self pore-size distribution is unreasonable, the microcellular structure of active carbon contribute to main specific area, and the migration resistance of ion in micropore is comparatively large, causes its ratio capacitance low, hinders its extensive use in ultracapacitor.
Summary of the invention
In order to overcome above-mentioned defect, the object of the present invention is to provide a kind of tungsten disulfide-absorbent charcoal composite material.
Another object of the present invention is to provide a kind of electrode material for super capacitor, be prepared from by above-mentioned tungsten disulfide-absorbent charcoal composite material and carbon black, PTFE binder, bulking value is high, and service life cycle is long.
Another object of the present invention is also the preparation method providing a kind of above-mentioned electrode material for super capacitor, and preparation method is easy, and raw material is easy to get.
To achieve these goals, the present invention adopts following technical scheme:
A kind of tungsten disulfide-absorbent charcoal composite material, described composite material is composited by tungsten disulfide and active carbon, and the mass ratio of tungsten disulfide and active carbon is 5 ~ 10:1.
A kind of electrode material for super capacitor, be prepared from by above-mentioned tungsten disulfide-absorbent charcoal composite material and carbon black, PTFE binder, the mass ratio of described tungsten disulfide-absorbent charcoal composite material, carbon black and PTFE binder is 70 ~ 80:10 ~ 20:5 ~ 15.
The preparation method of above-mentioned electrode material for super capacitor, comprises the following steps:
(1) by tungsten disulfide WS
2pressed powder is at grinding in ball grinder 2 ~ 4 h;
(2) by WS in step (1)
20.1 ~ 0.3 g ultrasonic disperse obtains WS in 20 ~ 40 mL redistilled waters
2dispersion liquid;
(3) get 0.01 ~ 0.03 g active carbon AC and add 20 ~ 40 mL redistilled waters, obtain uniform active carbon dispersion liquid through ultrasonic disperse;
(4) the active carbon dispersion liquid in step (3) is joined step (2) WS slowly
2in dispersion liquid, be diluted to 60 ~ 80 mL with redistilled water, Keep agitation 1 ~ 2 h;
(5) be transferred in hydrothermal reaction kettle by the mixed solution that above-mentioned steps (4) obtains and carry out hydro-thermal reaction, reaction temperature is 160 ~ 200 DEG C, and the reaction time is 24 ~ 48 h;
(6) after step (5) hydro-thermal reaction terminates, reactant liquor is naturally cooled to room temperature, centrifugal, washing, dry, namely obtain tungsten disulfide-active carbon WS
2-AC composite material;
(7) foam nickel sheet is cleaned up, dry, for subsequent use;
(8) tungsten disulfide-absorbent charcoal composite material above-mentioned steps (6) prepared and carbon black, PTFE binder are that 70 ~ 80:10 ~ 20:5 ~ 15 mix in mass ratio, after grinding to form film, be coated in the foam nickel sheet surface that step (7) is for subsequent use, dry, obtain combination electrode material.
According to the preparation method of above-mentioned electrode material for super capacitor, step (1) described WS
2pressed powder particle diameter is 0.5 ~ 2 μm.
According to the preparation method of above-mentioned electrode material for super capacitor, the drum's speed of rotation described in step (1) is 400 ~ 800 r/min.
According to the preparation method of above-mentioned electrode material for super capacitor, step (2) and the ultrasonic frequency described in (3) are 40 ~ 60 KHz.
According to the preparation method of above-mentioned electrode material for super capacitor, the active carbon specific area described in step (3) is 500 ~ 1000 m
2/ g, apparent density is 0.08 ~ 0.45 g/mL.
According to the preparation method of above-mentioned electrode material for super capacitor, the washing methods described in step (6) is: redistilled water and ethanol wash 2 ~ 4 times respectively.
According to the preparation method of above-mentioned electrode material for super capacitor, the drying described in step (6) is vacuumize, and temperature is 60 ~ 80 DEG C, and drying time is 20 ~ 24 h.
According to the preparation method of above-mentioned electrode material for super capacitor, the specification of the foam nickel sheet described in step (7) is: (4 ~ 8 cm) × (0.5 ~ 2 cm) × (0.1 ~ 0.5 cm).
According to the preparation method of above-mentioned electrode material for super capacitor, the drying described in step (8) is vacuumize, and temperature is 60 ~ 100 DEG C, and drying time is 6 ~ 10 h.
good effect of the present invention
The present invention adopts a simple step hydrothermal synthesis method to prepare tungsten disulfide-active carbon (WS
2-AC) composite material, effectively combine tungsten disulfide WS
2with the advantage of active carbon AC, that is: WS
2easy intercalation and AC specific area are greatly, conduct electricity very well advantage, is conducive to the performance improving electrode material for super capacitor.
The present invention adopts tungsten disulfide-active carbon (WS
2-AC) super capacitance electrode material prepared by composite material, carbon black and polytetrafluoroethylene, have large ratio capacitance and high electrochemical stability, service life cycle is long, and preparation method is easy, quick, cost is low, environmental friendliness, has good application prospect.
Accompanying drawing explanation
Fig. 1 is WS prepared by the embodiment of the present invention 1
2the SEM figure of-AC composite material;
Fig. 2 is WS prepared by the embodiment of the present invention 1
2the XRD figure of-AC composite material;
Fig. 3 is the charging and discharging curve figure of the embodiment of the present invention 1 electrode material for super capacitor under different current density;
Fig. 4 be the embodiment of the present invention 1 electrode material for super capacitor cyclical stability resolution chart;
Fig. 5 is WS prepared by the embodiment of the present invention 2
2the SEM figure of-AC composite material;
Fig. 6 is WS prepared by the embodiment of the present invention 2
2the XRD figure of-AC composite material;
Fig. 7 is the charging and discharging curve figure of the embodiment of the present invention 2 electrode material for super capacitor under different current density;
Fig. 8 be the embodiment of the present invention 2 electrode material for super capacitor cyclical stability resolution chart;
Fig. 9 is WS prepared by the embodiment of the present invention 3
2the SEM figure of-AC composite material;
Figure 10 is WS prepared by the embodiment of the present invention 3
2the XRD figure of-AC composite material;
Figure 11 is the charging and discharging curve figure of the embodiment of the present invention 3 electrode material for super capacitor under different current density;
Figure 12 be the embodiment of the present invention 3 electrode material for super capacitor cyclical stability resolution chart.
Embodiment
Below in conjunction with some specific embodiments, the present invention is further described.
Embodiment 1
A kind of tungsten disulfide-absorbent charcoal composite material, described composite material is composited by tungsten disulfide and active carbon, and the mass ratio of tungsten disulfide and active carbon is 5:1.
A kind of electrode material for super capacitor, be prepared from by above-mentioned tungsten disulfide-absorbent charcoal composite material and carbon black, PTFE binder, the mass ratio of tungsten disulfide-absorbent charcoal composite material, carbon black and PTFE binder is 75:15:10.
A preparation method for super capacitance electrode material, comprises the following steps:
(1) by tungsten disulfide WS
2powder is at grinding in ball grinder 3 h;
(2) by WS in step (1)
20.1 g ultrasonic disperse obtains WS in 30 mL redistilled waters
2dispersion liquid;
(3) get 0.02 g active carbon, add 30 mL redistilled waters, obtain uniform active carbon dispersion liquid through ultrasonic disperse;
(4) the active carbon dispersion liquid in step (3) is joined step (2) WS slowly
2in dispersion liquid, be diluted to 70 mL with redistilled water, Keep agitation 1 h;
(5) be transferred in 100 mL hydrothermal reaction kettles by the mixed solution that above-mentioned steps (4) obtains and carry out hydro-thermal reaction, reaction temperature is 180 DEG C, and the reaction time is 48 h;
(6), after step (5) hydro-thermal reaction terminates, reaction mixture is naturally cooled to room temperature, centrifugal, washing, dry, namely obtain WS
2-AC composite material;
(7) foam nickel sheet is cleaned up, dry, for subsequent use;
(8) tungsten disulfide-absorbent charcoal composite material prepared by above-mentioned steps (6) is mixed with carbon black, PTFE binder, after grinding to form film, be coated in the foam nickel sheet surface that step (6) is for subsequent use, dry, obtain combination electrode material.
Drum's speed of rotation described in step (1) is 400 r/min.
Step (2) and the ultrasonic frequency described in (3) are 40 KHz.
Washing methods described in step (6) is: redistilled water and ethanol wash 3 times respectively.
Drying described in step (6) is vacuumize, and temperature is 60 DEG C, and drying time is 24 h.
The specification of the foam nickel sheet described in step (7) is: long × wide × thick is 5 cm × 0.2, cm × 1 cm.
Drying described in step (8) is vacuumize, and temperature is 80 DEG C, and drying time is 8 h.
Performance test is done to the embodiment of the present invention 1 tungsten disulfide-absorbent charcoal composite material, electrode material for super capacitor, the results are shown in Figure 1 ~ 4.
As can be seen from Figure 1, axiolitic AC disperses and is attached to the WS of lamella
2on.
As can be seen from Figure 2, on x-ray diffraction pattern (XRD), WS
2there is WS in the spectrogram of-AC composite material simultaneously
2with the characteristic peak of AC, show successfully to have prepared WS
2-AC composite material.
As can be seen from Figure 3, with the KOH of 6.0 mol/L for electrolyte, under different current densities (1,1.5,3,5,10,20 A/g), the constant current charge-discharge figure of electrode material for super capacitor, obtains quality corresponding under different current densities (1,1.5,3,5,10,20 A/g) and is respectively 909.3,843.6,776.46,719.1,673.1,607.6 F/g than electric capacity.
As can be seen from Figure 4, super capacitance electrode material circulates 1000 circles under the current density of 5 A/g, and the ratio capacitance of electrode material keeps original 102%, and the electrode material for super capacitor prepared by explanation has good stability, is applicable to long-life capacitor.
Embodiment 2
A kind of tungsten disulfide-absorbent charcoal composite material, described composite material is composited by tungsten disulfide and active carbon, and the mass ratio of tungsten disulfide and active carbon is 10:1.
A kind of electrode material for super capacitor, be prepared from by above-mentioned tungsten disulfide-absorbent charcoal composite material and carbon black, PTFE binder, the mass ratio of tungsten disulfide-absorbent charcoal composite material, carbon black and PTFE binder is 70:10:5.
A preparation method for electrode material for super capacitor, comprises the following steps:
(1) by tungsten disulfide WS
2powder is at grinding in ball grinder 2 h;
(2) by WS in step (1)
20.2 g ultrasonic disperse obtains WS in 40 mL redistilled waters
2dispersion liquid;
(3) get 0.02 g active carbon, add 30 mL redistilled waters, obtain uniform active carbon dispersion liquid through ultrasonic disperse;
(4) the active carbon dispersion liquid in step (3) is joined step (2) WS slowly
2in dispersion liquid, be diluted to 80 mL with redistilled water, Keep agitation 2 h;
(5) be transferred in 100 mL hydrothermal reaction kettles by the mixed solution that above-mentioned steps (4) obtains and carry out hydro-thermal reaction, reaction temperature is 200 DEG C, and the reaction time is 24 h;
(6), after step (5) hydro-thermal reaction terminates, reaction mixture is naturally cooled to room temperature, centrifugal, washing, dry, namely obtain WS
2-AC composite material;
(7) foam nickel sheet is cleaned up, dry, for subsequent use;
(8) tungsten disulfide-absorbent charcoal composite material prepared by above-mentioned steps (6) is mixed with carbon black, PTFE binder, after grinding to form film, be coated in the foam nickel sheet surface that step (7) is for subsequent use, dry, obtain combination electrode material.
Drum's speed of rotation described in step (1) is 600 r/min.
Step (2) and the ultrasonic frequency described in (3) are 50 KHz.
Washing methods described in step (6) is: redistilled water and ethanol wash 4,2 times respectively.
Drying described in step (6) is vacuumize, and temperature is 70 DEG C, and drying time is 23 h.
The specification of the foam nickel sheet described in step (7) is: length × wide × thick 6 cm × 0.2, cm × 1 cm.
Drying described in step (8) is vacuumize, and temperature is 100 DEG C, and drying time is 6 h.
Performance test is done to the embodiment of the present invention 2 tungsten disulfides-absorbent charcoal composite material, electrode material for super capacitor, the results are shown in Figure 5 ~ 8.
As can be seen from Figure 5, the AC of larger particles is attached to the WS of lamella
2on.
As can be seen from Figure 6, on x-ray diffraction pattern (XRD), WS
2there is WS in the spectrogram of-AC composite material simultaneously
2with the characteristic peak of AC, show successfully to have prepared WS
2-AC composite material.
As can be seen from Figure 7, with the KOH of 6.0 mol/L for electrolyte, under different current densities (1,1.5,3,5,10,20 A/g), the constant current charge-discharge figure of electrode material for super capacitor, obtains quality corresponding under different current densities (1,1.5,3,5,10,20 A/g) and is respectively 700.4,582.5,530.1,485.3,431.2,397.6 F/g than electric capacity.
As can be seen from Figure 8, super capacitance electrode material circulates 1000 circles under the current density of 5 A/g, and the ratio capacitance of electrode material keeps original 88.8%, and the electrode material for super capacitor prepared by explanation has good stability.
Embodiment 3
A kind of tungsten disulfide-absorbent charcoal composite material, described composite material is composited by tungsten disulfide and active carbon, and the mass ratio of tungsten disulfide and active carbon is 7.5:1.
A kind of electrode material for super capacitor, be prepared from by above-mentioned tungsten disulfide-absorbent charcoal composite material and carbon black, PTFE binder, the mass ratio of tungsten disulfide-absorbent charcoal composite material, carbon black and PTFE binder is 80:20:15.
A preparation method for super capacitance electrode material, comprises the following steps:
(1) by tungsten disulfide WS
2powder is at grinding in ball grinder 4 h;
(2) by WS in step (1)
20.15 g ultrasonic disperse obtains WS in 20 mL redistilled waters
2dispersion liquid;
(3) get 0.02 g active carbon, add 20 mL redistilled waters, obtain uniform active carbon dispersion liquid through ultrasonic disperse;
(4) the active carbon dispersion liquid in step (3) is joined step (2) WS slowly
2in dispersion liquid, be diluted to 60 mL with redistilled water, Keep agitation 1.5 h;
(5) be transferred in 100 mL hydrothermal reaction kettles by the mixed solution that above-mentioned steps (4) obtains and carry out hydro-thermal reaction, reaction temperature is 160 DEG C, and the reaction time is 40 h;
(6), after step (5) hydro-thermal reaction terminates, reaction mixture is naturally cooled to room temperature, centrifugal, washing, dry, namely obtain WS
2-AC composite material;
(7) foam nickel sheet is cleaned up, dry, for subsequent use;
(8) tungsten disulfide-absorbent charcoal composite material prepared by above-mentioned steps (6) is mixed with carbon black, PTFE binder, after grinding to form film, mix, be coated in the foam nickel sheet surface that step (6) is for subsequent use, dry, obtain combination electrode material.
Drum's speed of rotation described in step (1) is 800 r/min.
Step (2) and the ultrasonic frequency described in (3) are 60 KHz.
Washing methods described in step (6) is: redistilled water and ethanol wash 2,4 times respectively.
Drying described in step (6) is vacuumize, and temperature is 80 DEG C, and drying time is 20 h.
The specification of the foam nickel sheet described in step (7) is: length × wide × thick 5 cm × 0.3, cm × 1.2 cm.
Drying described in step (8) is vacuumize, and temperature is 60 DEG C, and drying time is 10 h.
Performance test is done to the embodiment of the present invention 3 tungsten disulfides-absorbent charcoal composite material, electrode material for super capacitor, the results are shown in Figure 9 ~ 12.
As can be seen from Figure 9, the axiolitic AC of bulky grain disperses and is attached to the WS of lamella
2on.
As can be seen from Figure 10, on x-ray diffraction pattern (XRD), WS
2there is WS in the spectrogram of-AC composite material simultaneously
2with the characteristic peak of AC, show successfully to have prepared WS
2-AC composite material.
As can be seen from Figure 11, with the KOH of 6.0 mol/L for electrolyte, under different current densities (1,1.5,3,5,10,20 A/g), the constant current charge-discharge figure of electrode material for super capacitor, obtains quality corresponding under different current densities (1,1.5,3,5,10,20 A/g) and is respectively 875.6,780.3,645.1,586.5,523.7,481.2 F/g than electric capacity.
As can be seen from Figure 12, electrode material for super capacitor circulates 1000 circles under the current density of 5 A/g, and the ratio capacitance of electrode material keeps original 86.7%, and the electrode material for super capacitor prepared by explanation has good stability.
Claims (10)
1. tungsten disulfide-absorbent charcoal composite material, is characterized in that, described composite material is composited by tungsten disulfide and active carbon, and described tungsten disulfide and the mass ratio of active carbon are 5 ~ 10:1.
2. an electrode material for super capacitor, it is characterized in that, be prepared from by tungsten disulfide-absorbent charcoal composite material described in claim 1 and carbon black, PTFE binder, the mass ratio of described tungsten disulfide-absorbent charcoal composite material, carbon black and PTFE binder is 70 ~ 80:10 ~ 20:5 ~ 15.
3. a preparation method for electrode material for super capacitor according to claim 2, is characterized in that, specifically comprises the following steps:
(1) by tungsten disulfide WS
2pressed powder is at grinding in ball grinder 2 ~ 4 h;
(2) by 0.1 ~ 0.3 g WS in step (1)
2ultrasonic disperse obtains WS in 20 ~ 40 mL redistilled waters
2dispersion liquid;
(3) get 0.01 ~ 0.03 g active carbon AC and add 20 ~ 40 mL redistilled waters, obtain uniform active carbon dispersion liquid through ultrasonic disperse;
(4) the active carbon dispersion liquid in step (3) is joined step (2) WS slowly
2in dispersion liquid, be diluted to 60 ~ 80 mL with redistilled water, Keep agitation 1 ~ 2 h;
(5) be transferred in hydrothermal reaction kettle by the mixed solution that above-mentioned steps (4) obtains and carry out hydro-thermal reaction, reaction temperature is 160 ~ 200 DEG C, and the reaction time is 24 ~ 48 h;
(6) after step (5) hydro-thermal reaction terminates, reactant liquor is naturally cooled to room temperature, centrifugal, washing, dry, namely obtain tungsten disulfide-active carbon WS
2-AC composite material;
(7) foam nickel sheet is cleaned up, dry, for subsequent use;
(8) tungsten disulfide-absorbent charcoal composite material prepared by above-mentioned steps (6) is mixed with carbon black, PTFE binder, after grinding to form film, be coated in the foam nickel sheet surface that step (7) is for subsequent use, dry, obtain combination electrode material.
4. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, step (1) described WS
2pressed powder particle diameter is 0.5 ~ 2 μm.
5. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, the drum's speed of rotation described in step (1) is 400 ~ 800 r/min.
6. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, step (2) and the ultrasonic frequency described in (3) are 40 ~ 60 KHz.
7. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, the active carbon specific area described in step (3) is 500 ~ 1000 m
2/ g, apparent density is 0.08 ~ 0.45 g/mL.
8. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, the washing methods described in step (6) is: redistilled water and ethanol wash 2 ~ 4 times respectively.
9. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, the drying described in step (6) is vacuumize, and temperature is 60 ~ 80 DEG C, and drying time is 20 ~ 24 h.
10. the preparation method of electrode material for super capacitor according to claim 3, is characterized in that, the drying described in step (8) is vacuumize, and temperature is 60 ~ 100 DEG C, and drying time is 6 ~ 10 h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719845A (en) * | 2015-12-22 | 2016-06-29 | 信阳师范学院 | Supercapacitor electrode material tungsten sulfide-carbon aerogel and preparation method thereof |
| CN106356202A (en) * | 2016-09-28 | 2017-01-25 | 上海电力学院 | Graphene/tungsten disulfide film flexible super capacitor and manufacturing method and application thereof |
| CN108039289A (en) * | 2017-12-15 | 2018-05-15 | 陕西科技大学 | A kind of WS of macroreticular structure2Preparation method of nano material |
| CN110890226A (en) * | 2019-11-21 | 2020-03-17 | 北京协同创新研究院 | Tungsten sulfide supercapacitor electrode and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02241012A (en) * | 1989-03-15 | 1990-09-25 | Matsushita Electric Ind Co Ltd | Electrical double layer capacitor |
| CN102214816A (en) * | 2011-02-25 | 2011-10-12 | 浙江振龙电源股份有限公司 | Grapheme/WS2 nanocomposite electrode of lithium ion battery and manufacturing method thereof |
| CN103769167A (en) * | 2014-01-28 | 2014-05-07 | 陕西科技大学 | Method for preparing photocatalytic material with graphene-covered cadmium sulfide nuclear shell structure |
| CN104577047A (en) * | 2014-12-15 | 2015-04-29 | 安泰科技股份有限公司 | Binary sulfide and C nano-composite negative pole material and preparation method thereof |
-
2015
- 2015-05-26 CN CN201510287069.1A patent/CN104979100B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02241012A (en) * | 1989-03-15 | 1990-09-25 | Matsushita Electric Ind Co Ltd | Electrical double layer capacitor |
| CN102214816A (en) * | 2011-02-25 | 2011-10-12 | 浙江振龙电源股份有限公司 | Grapheme/WS2 nanocomposite electrode of lithium ion battery and manufacturing method thereof |
| CN103769167A (en) * | 2014-01-28 | 2014-05-07 | 陕西科技大学 | Method for preparing photocatalytic material with graphene-covered cadmium sulfide nuclear shell structure |
| CN104577047A (en) * | 2014-12-15 | 2015-04-29 | 安泰科技股份有限公司 | Binary sulfide and C nano-composite negative pole material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719845A (en) * | 2015-12-22 | 2016-06-29 | 信阳师范学院 | Supercapacitor electrode material tungsten sulfide-carbon aerogel and preparation method thereof |
| CN105719845B (en) * | 2015-12-22 | 2018-02-13 | 信阳师范学院 | A kind of electrode material for super capacitor tungsten sulfide charcoal-aero gel and preparation method thereof |
| CN106356202A (en) * | 2016-09-28 | 2017-01-25 | 上海电力学院 | Graphene/tungsten disulfide film flexible super capacitor and manufacturing method and application thereof |
| CN108039289A (en) * | 2017-12-15 | 2018-05-15 | 陕西科技大学 | A kind of WS of macroreticular structure2Preparation method of nano material |
| CN110890226A (en) * | 2019-11-21 | 2020-03-17 | 北京协同创新研究院 | Tungsten sulfide supercapacitor electrode and preparation method thereof |
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| CN104979100B (en) | 2018-02-06 |
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