CN106128785B - A kind of C film, activation C film and preparation method thereof and ultracapacitor - Google Patents
A kind of C film, activation C film and preparation method thereof and ultracapacitor Download PDFInfo
- Publication number
- CN106128785B CN106128785B CN201610804137.1A CN201610804137A CN106128785B CN 106128785 B CN106128785 B CN 106128785B CN 201610804137 A CN201610804137 A CN 201610804137A CN 106128785 B CN106128785 B CN 106128785B
- Authority
- CN
- China
- Prior art keywords
- film
- preparation
- activation
- ultracapacitor
- pleated structure
- 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.)
- Active
Links
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
- Y02E60/13—Energy storage using capacitors
Abstract
The present invention provides a kind of C film, the C film and preparation method thereof and ultracapacitor of activation, the C film is flexible self-supporting C film, and the surface of the C film is pleated structure, and the crestal line height of the pleated structure is 10 50nm.C film provided by the invention has good mechanical flexibility；It can be derived from a wealth of sources, the thin film bio matter of fold micro-structure is contained for presoma in reproducible surface, be prepared using simple heating means, environmental-friendly, of low cost；The carbon film surface contains a large amount of pleated structure, and specific surface area is high after activation；It can be used for preparing ultracapacitor, memory capacity is high, avoids the introducing of additional additive, simplifies preparation process, improves the energy storage densities of capacitor, reduces the cost of capacitor.
Description
Technical field
Prepared the invention belongs to nano material and its applied technical field, be related to a kind of C film, activation C film and
Preparation method and application more particularly to a kind of surface be the self-supporting C film of pleated structure, activation C film and its system
Preparation Method and the ultracapacitor prepared using it.
Background technology
Along with energy crisis and environmental problem getting worse, renewable and clean energy resource demand is increasingly urgent to.Novel energy
The exploitation of structure such as solar energy, wind energy etc., can largely mitigate the mankind to the non-renewable resources such as coal, oil according to
Rely, reduces environmental pollution caused by this kind of resource burning.However, these energy resource structures have time and territory restriction, therefore,
Storage for this kind of energy is the most critical issue for limiting the development of such energy resource structure.
Ultracapacitor (electrochemical vessel) has high power density and energy density, is that one kind having both traditional capacitance
The novel energy storage organization of device and battery feature.In recent years, ultracapacitor, especially flexible super capacitor, due to it
Service life with overlength and high output energy, by more and more extensive concern.Double electric layers supercapacitor is a kind of
Typical ultracapacitor, it is the storage and release on electrode material based on charge, realizes the purpose of fast charging and discharging.Carbon
Material is a kind of typical electrode material for electric double layer capacitor, based on carbon nanotube, graphene capacitor due to high
The service life of memory capacity and overlength, is widely studied in recent years.However, the carbon nanometer material such as carbon nanotube, graphene
Material is limited by preparation process so that such capacitor cost is higher.
Biomass source is extensive, renewable, of low cost, is a kind of ideal carbon materials material precursor.In recent years, it is based on life
The electrode material of substance base carbon is by more and more extensive research, such as with leaf (M.Biswal et al, From dead leaves
to high energy density supercapacitors.Energy Environ.Sci.,2013,6,1249-1259)、
Pomelo peel (Q.H.Liang et al, A honeycomb-like porous carbon derived from pomelo
peel for use in high-performance supercapacitors.Nanoscale,2014,6,13831-
13837), catkin (K.Wang et al, Promising biomass-based activated carbons derived
from willow catkins for high performance supercapacitors.Electrochimica Acta,
2015,166,1-11), egg shell internal layer membrane (Z.Li et al, Carbonized chicken eggshell
membranes with 3D architectures as high-performance electrode materials for
Supercapacitors Adv.Energy Mater.2012,2,431-437), fruits of elm (C.Chen et al, Three-
dimensional scaffolding framework of porous carbon nanosheets derived from
plant wastes for high-performance supercapacitors.Nano Energy,2016,27,377-
389), (Wei Xiaolin etc., a kind of explosion method prepare camellia petal base sulphur, the technique of nitrogen co-doped fold carbon nanosheet and super to petal
The preparation method of grade electrode for capacitors.CN105788885A), coffee bean (Y.S.Yun et al, Hierarchically
porous carbon nanosheets from waste coffee grounds for supercapacitors.ACS
Appl.Mater.Interfaces 2015,7,3684-3690) etc. prepare electrode material as presoma carbonization, however these
Material is mealy structure, and the auxiliary reagents such as addition adhesive is needed to prepare C film electrode, technique when preparing capacitor with it
Complicated and energy density is low.Although carbonized celulose (X.J.Wang et al, All-biomaterial supercapacitor
Derived from bacterial cellulose.Nanoscale, 2016,8,9146-9150), flesh of Pulp Citrulli (X.L.Wu et
al,Biomass-derived sponge-like carbonaceous hydrogels and aerogels for
Supercapacitors.ACS Nano, 2013,7,3589-3597), cotton (L.Li et al, Nitrogen-doped
carbonized cotton for highly flexible supercapacitors.Carbon,2016,105,260-
Etc. 267) self-supporting block structure can be obtained, but these porous blocks mechanics of materials are flexible poor, the flexibility of capacitor by
Limitation.Moreover, because the presence of a large amount of macroporous structures so that the energy storage density of such material is relatively low, generally less than 10Wh/
kg。
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide the C film of a kind of C film, activation and
Preparation method and ultracapacitor, the C film are flexible self-supporting structure, can be prepared directly as electrode material super
Capacitor enormously simplifies the preparation process of ultracapacitor, and manufactured flexible super capacitor magnitude of the stored charge is big, energy
Density is high.
For this purpose, the present invention uses following technical scheme：
One of the objects of the present invention is to provide a kind of C film, the C film is flexible self-supporting C film, described
The surface of C film is pleated structure, and the crestal line height of the pleated structure is 10-50nm, as 15nm, 20nm, 25nm, 30nm,
35nm, 40nm or 45nm etc..
The size of the C film is 40-80mm2, such as 45mm2、48mm2、50mm2、52mm2、55mm2、58mm2、60mm2、
65mm2、70mm2、75mm2Or 78mm2Deng.
Preferably, the thickness of the C film is 2-50 μm, such as 3 μm, 4 μm, 5 μm, 10 μm, 12 μm, 15 μm, 18 μm, 20 μ
M, 25 μm, 30 μm, 35 μm, 40 μm or 45 μm etc..
The second object of the present invention is to provide a kind of preparation method of C film as described above, and the preparation method includes
Following steps：
(1) the biomass film drying that surface is had to pleated structure, obtains dry biomass film, wherein described
The crestal line height of pleated structure is nanoscale；
(2) dry biomass film is carbonized under the conditions of inert atmosphere, 800-1200 DEG C, obtains carbonized product；
(3) inorganic particle on removal carbonized product surface, obtains C film.
Biomass described in step (1) need to be membrane structure, and film thickness is to ensure C film obtained with flexible
Precondition.The thickness of the biomass film is micron order, preferably 1-100 microns, for example, can be 2 microns, 5 microns,
10 microns, 30 microns, 50 microns, 60 microns, 90 microns etc..
The crestal line height of biomass film described in step (1) is nanoscale, preferably 1-100 nanometers, may be, for example, 2
Nanometer, 5 nanometers, 10 nanometers, 30 nanometers, 50 nanometers or 90 nanometers etc..
Preferably, step (1) the biomass film with pleated structure is preferably petal, and the thickness of petal is only 20
Microns.
Preferably, step (2) carbonization carries out in tube furnace.
Preferably, in tube furnace inert atmosphere flow be 50-2000sccm, as 60sccm, 100sccm, 200sccm,
300sccm, 500sccm, 800sccm, 1000sccm, 1200sccm, 1500sccm, 1800sccm or 1900sccm etc..It is described
The volume flow unit that sccm is known to the skilled person, and 1sccm=6 × 10-5m3/h。
Preferably, step (2) described inert atmosphere is selected from argon gas and/or nitrogen.
The temperature of step (2) described carbonization be 800-1200 DEG C, such as 850 DEG C, 900 DEG C, 910 DEG C, 950 DEG C, 980 DEG C,
1000 DEG C, 1050 DEG C, 1100 DEG C or 1150 DEG C etc..
Preferably, the time of step (2) described carbonization is 30min-4h, such as 50min, 1h, 1.5h, 2h, 2.5h, 3h or
3.5h waiting.
Step (3) removes the inorganic particle on carbonized product surface using acid soak carbonized product.
Preferably, the acid solution in hydrochloric acid, nitric acid or sulfuric acid any one or at least two combination.It is typical but
Unrestricted combination such as hydrochloric acid and sulfuric acid, hydrochloric acid and nitric acid, hydrochloric acid, sulfuric acid and nitric acid.
Preferably, a concentration of 1-6M of the acid solution, such as 1.5M, 2M, 2.5M, 3M, 3.5M, 4M, 4.5M, 5M or 5.5M
Deng.In the present invention unless otherwise specified, the M is the common concentration unit of those skilled in the art, 1M=1mol/L.
Preferably, the time of the immersion be 24-96h, as 25h, 26h, 27h, 28h, 30h, 35h, 40h, 45h, 50h,
60h, 70h, 80h or 90h etc..
The inorganic particle on other method removal carbonized products surface can also be used in those skilled in the art.As long as not destroying
C film.
The preparation method of the C film includes the following steps as a preferred technical solution,：
(1) petal is dried, obtains dry petal；
(2) dry petal is placed in tube furnace, is carbonized under the protection of inert gas；The flow of inert gas is
The temperature of 50-2000sccm, carbonization are 800-1200 DEG C, and the time of carbonization is 30min-4h, obtains carbonized product；
(3) carbonized product in the acid solution of a concentration of 1-6M is impregnated into 24-96h, removes the inorganic of carbonized product surface
Particle obtains C film.
The third object of the present invention is to provide a kind of C film of activation, and the C film of the activation is by as described above
C film activates to obtain, and the specific surface area of the C film of the activation is 450-509m2/ g, such as 455m2/g、460m2/g、
470m2/g、480m2/g、490m2/ g or 500m2/ g etc..
The activation C film activation method be：The C film is heated into 1- in 280-400 DEG C, air atmosphere
4h, such as 1.5h, 2h, 2.5h, 3h, 3.5h, the C film activated, the temperature of the heating can be 285 DEG C, 300 DEG C,
310 DEG C, 320 DEG C, 350 DEG C, 380 DEG C or 400 DEG C etc..
The fourth object of the present invention is to provide a kind of ultracapacitor, and the ultracapacitor includes as described above living
The C film of change；
The ultracapacitor is preferably all-solid-state supercapacitor, more preferably flexible all-solid-state supercapacitor.
Preferably, the flexible all-solid-state supercapacitor includes successively from top to bottom flexible substrates, has loaded solid-state electricity
Solve the C film of activation of matter, diaphragm and loaded solid electrolyte activation C film.
Preferably, the flexible substrates are polyethylene terephthalate.The flexible substrates are alternatively other bases
Bottom material, those skilled in the art can select according to actual needs.
Preferably, it is 1 that the solid electrolyte, which is mass ratio,:1 H3PO4With the mixture of polyvinyl alcohol.
Preferably, the diaphragm is paper.
The C film of the activation for having loaded solid electrolyte is prepared via a method which to obtain：With water by PVA and
H3PO4It is made into colloidal sol, the C film of activation is impregnated wherein, is taken out, makes water volatilization to the greatest extent, has been loaded the work of solid electrolyte
The C film of change.
Compared with prior art, beneficial effects of the present invention are：
C film provided by the invention is self supporting structure, has good mechanical flexibility, and its surface is contained largely
Pleated structure keeps original self supporting structure and mechanical flexibility after activation, and specific surface area is high, is 450-509m2/g；Electric energy
Memory capacity is big, reaches 200-332.7F/g.
C film provided by the invention can derive from a wealth of sources, being capable of the regenerated surface film that contains fold micro-structure
Biomass is presoma, is prepared using simple heating means, environmental-friendly, of low cost；
C film provided by the invention is used to prepare ultracapacitor, avoids additional additive when preparing in capacitor
It introduces, simplifies preparation process, reduce the cost of capacitor.Moreover, because the not introducing of additional additive, improves electricity
The energy density of container, by being improved to 26-46Wh/kg less than 10Wh/kg for traditional capacitor.
Description of the drawings
Fig. 1-a are the macroscopical pictures for the C film that embodiment 2 provides.
Fig. 1-b are the scanning electron microscopic picture for the C film that embodiment 2 provides.
Fig. 2 is gas absorption-desorption curve before and after the C film activation that embodiment 2 provides.
Fig. 3 is cyclic voltammetry curve of the C film for the activation that embodiment 4 provides as electrode.
Fig. 4 is the structural schematic diagram of flexible solid capacitor prepared by the C film for the activation that embodiment 5 provides, wherein：
1, coat the C film of the activation of solid electrolyte；2, paper diaphragm；3, PET base.
Fig. 5 is the pictorial diagram of flexible solid capacitor prepared by the C film for the activation that embodiment 5 provides.
Fig. 6 is the cyclic voltammetry curve of flexible solid capacitor prepared by the C film for the activation that embodiment 5 provides.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
A kind of preparation of C film and activation method, include the following steps：
(1) fresh petal is clipped among two graphite cakes in 110 DEG C of heating, dryings on warm table；
(2) by dry petal be placed in tube furnace under nitrogen protection, 800 DEG C heating 4h, nitrogen flow rate 50sccm,
Obtain carbonized product；
(3) carbonized product is placed in 1M nitric acid and impregnates 96h at 25 DEG C, removed particles of inorganic material, obtain C film；
(4) C film is placed in tube furnace to the C film for heating 4h in 280 DEG C of air, being activated.
The C film for the activation that step (4) obtains is self supporting structure, size 60-80mm2, aobvious by scanning electron
Micro mirror (model Hitachi S4800FESEM) is observed, and the C film thickness of prepared activation is 2-50 μm, and surface is contained
The crestal line height of a large amount of pleated structures, pleated structure is 10-50nm.(model is measured by gas absorption-desorption
NOVA4200e it) characterizes, the specific surface area of prepared C film is 6.44m2The specific surface area of/g, the C film of activation are 400m2/
g。
Embodiment 2
A kind of preparation of C film and activation method, include the following steps：
(1) fresh petal is clipped among two graphite cakes in 110 DEG C of heating, dryings on warm table；
(2) dry petal is placed in tube furnace and heats 1h in 1000 DEG C under protection of argon gas, argon gas flow velocity is
100sccm obtains carbonized product；
(3) carbonized product is placed in 4M hydrochloric acid and impregnates 48h at 25 DEG C, remove the particles of inorganic material of carbon film surface；
(4) C film is placed in tube furnace to the C film for heating 1h in air in 300 DEG C, being activated.
The C film for the activation that step (4) obtains is self supporting structure, as shown in Fig. 1-a, size 50-70mm2, lead to
It over-scans electron microscope (model Hitachi S4800FESEM) to observe, the C film thickness of prepared activation is 2-50
μm, a large amount of pleated structures are contained on surface, and the crestal line height of pleated structure is 10-50nm, as shown in Fig. 1-b.Pass through gas absorption-
Desorption measures (model NOVA4200e) characterization, and the specific surface area of prepared C film is 6.44m2/ g, the C film of activation
Specific surface area is 509m2/ g, as shown in Figure 2.
Embodiment 3
A kind of preparation of C film and activation method, include the following steps：
(1) fresh petal is clipped among two graphite cakes in 110 DEG C of heating, dryings on warm table；
(2) dry petal is placed in tube furnace and heats 30min in 1200 DEG C under protection of argon gas, argon gas flow velocity is
2000sccm obtains carbonized product；
(3) carbonized product is placed in and impregnates the particles of inorganic material for removing carbon film surface for 24 hours in 6M sulfuric acid at 25 DEG C,
Obtain C film；
(4) C film is placed in tube furnace to the C film for heating 2h in air in 400 DEG C, being activated.
The C film for the activation that step (4) obtains is self supporting structure, size 40-60mm2, aobvious by scanning electron
Micro mirror (model Hitachi S4800FESEM) is observed, and the C film thickness of prepared activation is 2-50 μm, and surface is contained
The crestal line height of a large amount of pleated structures, pleated structure is 10-50nm.(model is measured by gas absorption-desorption
NOVA4200e it) characterizes, the specific surface area of prepared C film is 5m2The specific surface area of/g, the C film after activation are 500m2/
g。
Embodiment 4
The present embodiment is for illustrating prepared energy storage property of the C film as electrode for capacitors.
The C film of the activation obtained using embodiment 2 utilizes three-electrode method as electrode, 0.5M KCl as electrolyte
The cyclic voltammetry curve of sample is measured, scanning range is -1-0V.It is examined by (model Corrtest2350) electrochemical workstation
It surveys, the cyclic voltammetry curve of the C film of prepared activation is as shown in figure 3, be computed, carbon when sweep speed is 10mV/s
The specific capacitance of film is 332F/g, it can be seen that the C film has good energy storage performance.
Embodiment 5
The present embodiment is for illustrating prepared application of the C film in flexible solid capacitor.
A kind of flexibility all-solid-state supercapacitor, the flexibility all-solid-state supercapacitor include flexibility successively from top to bottom
Substrate, the C film of activation for having coated solid electrolyte, diaphragm and coated solid electrolyte activation C film；It is described
The C film of activation is the C film for the activation that embodiment 2 obtains, and the solid electrolyte is that mass ratio is 1:1 polyvinyl alcohol
With H3PO4Mixture (PVA/H3PO4)；The diaphragm is paper；The flexible substrates are PET base.
The C film of the activation for having coated solid electrolyte is prepared via a method which to obtain：It is by mass ratio with water
1:1 PVA and H3PO4It is made into colloidal sol, the C film of activation is impregnated wherein, after C film to be activated absorbs saturation, is taken
Go out, makes water volatilization to the greatest extent, obtain the electrode uniformly coated inside and outside solid electrolyte, that is, the carbon for having coated the activation of solid electrolyte is thin
Film.
Prepared flexible solid capacitor schematic diagram and pictorial diagram are as shown in Figures 4 and 5.Fig. 4 illustrates described flexible complete solid
State ultracapacitor has coated the C film 1 of the activation of solid electrolyte successively from top to bottom, and paper diaphragm 2 has coated solid
The C film 1 and PET base 3 of the activation of state electrolyte.Fig. 5 shows that prepared capacitor has good mechanical flexibility.It utilizes
Two-probe method measures the cyclic voltammetry curve of sample, and scanning range is -1-0V.Pass through (model Corrtest 2350) electrification
Work station detection is learned, as shown in fig. 6, being computed, sweep speed is the cyclic voltammetry curve of prepared flexible solid capacitor
When 10mV/s, the specific capacitance of the capacitor is 154F/g.
In addition, the C film of the activation obtained to embodiment 1 and 3 carries out the characterization described in embodiment 3 and embodiment 6, table
Result explanation is levied, when the C film after the activation that embodiment 1 and 3 obtains is as electrode, when sweep speed is 10mV/s than electricity
It is 280F/g and 315F/g to hold；The specific capacitance for the flexible solid capacitor being prepared is respectively 120F/g and 147F/g.
Applicant states, the foregoing is merely the specific implementation mode of the present invention, but protection scope of the present invention not office
It is limited to this, person of ordinary skill in the field is it will be clearly understood that any belong to those skilled in the art and taken off in the present invention
In the technical scope of dew, the change or replacement that can be readily occurred in are all fallen within protection scope of the present invention and the open scope.
Claims (23)
1. a kind of C film, which is characterized in that the C film is flexible self-supporting C film, and the surface of the C film is
The crestal line height of pleated structure, the pleated structure of the carbon film surface is 10-50 nm；The thickness of the C film is 2-50 μ
m；
Preparation method includes the following steps：
（1）The biomass film drying that surface is had to pleated structure, obtains dry biomass film, wherein the biology
The crestal line height of the pleated structure of matter film is nanoscale；
（2）Dry biomass film is carbonized under the conditions of inert atmosphere, 800-1200 DEG C, obtains carbonized product；
（3）The inorganic particle for removing carbonized product surface, obtains C film；
Step（1）The biomass film with pleated structure is petal.
2. C film according to claim 1, which is characterized in that the size of the C film is 40-80 mm2。
3. the preparation method of C film according to claim 1, which is characterized in that the preparation method includes following step
Suddenly：
（1）The biomass film drying that surface is had to pleated structure, obtains dry biomass film, wherein the biology
The crestal line height of the pleated structure of matter film is nanoscale；
（2）Dry biomass film is carbonized under the conditions of inert atmosphere, 800-1200 DEG C, obtains carbonized product；
（3）The inorganic particle for removing carbonized product surface, obtains C film；
Step（1）The biomass film with pleated structure is petal.
4. preparation method according to claim 3, which is characterized in that step（1）The thickness of the biomass film is 1-
100 microns.
5. preparation method according to claim 3, which is characterized in that step（1）The pleated structure of the biomass film
Crestal line height be 1-100 nanometers.
6. preparation method according to claim 3, which is characterized in that step（2）The carbonization carries out in tube furnace.
7. preparation method according to claim 6, which is characterized in that the flow of inert atmosphere is 50-2000 in tube furnace
sccm。
8. preparation method according to claim 3, which is characterized in that step（2）The inert atmosphere be selected from argon gas and/or
Nitrogen.
9. preparation method according to claim 3, which is characterized in that step（2）The time of the carbonization is 30min-4h.
10. preparation method according to claim 3, which is characterized in that step（3）It is removed using acid soak carbonized product
The inorganic particle on carbonized product surface.
11. preparation method according to claim 10, which is characterized in that the acid solution is in hydrochloric acid, nitric acid or sulfuric acid
Any one or at least two combination.
12. preparation method according to claim 10, which is characterized in that a concentration of 1-6 M of the acid solution.
13. preparation method according to claim 10, which is characterized in that the time of the immersion is 24-96 h.
14. preparation method according to claim 3, which is characterized in that the preparation method includes the following steps：
（1）Petal is dried, dry petal is obtained；
（2）Dry petal is carbonized under the conditions of inert atmosphere, 800-1200 DEG C in tube furnace 30min-4h, is carbonized
The flow of product, inert atmosphere is 50-2000 sccm；
（3）Using the acid soak carbonized product 24-96 h of a concentration of 1-6M, the inorganic particle on removal carbonized product surface obtains
To C film.
15. a kind of C film of activation, which is characterized in that the C film of the activation is by C film as claimed in claim 1 or 2
Activation obtains, and the specific surface area of the C film of the activation is 450-509 m2/g。
16. the C film of activation according to claim 15, which is characterized in that the method for the activation is：By C film
1-4h is heated in 280-400 DEG C, air atmosphere, the C film after being activated.
17. a kind of ultracapacitor, which is characterized in that the ultracapacitor includes the activation described in claim 15 or 16
C film.
18. ultracapacitor according to claim 17, which is characterized in that the ultracapacitor is all solid state super electricity
Container.
19. ultracapacitor according to claim 18, which is characterized in that the ultracapacitor is flexible all solid state super
Grade capacitor.
20. ultracapacitor according to claim 19, which is characterized in that the flexibility all-solid-state supercapacitor is from upper
Include successively flexible substrates under, the C film of activation that has loaded solid electrolyte, diaphragm and loaded solid electrolyte
The C film of activation.
21. ultracapacitor according to claim 20, which is characterized in that the flexible substrates are poly terephthalic acid second
Diol ester.
22. ultracapacitor according to claim 20, which is characterized in that the solid electrolyte is that mass ratio is 1:1
H3PO4With the mixture of polyvinyl alcohol.
23. ultracapacitor according to claim 20, which is characterized in that the diaphragm is paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804137.1A CN106128785B (en) | 2016-09-05 | 2016-09-05 | A kind of C film, activation C film and preparation method thereof and ultracapacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804137.1A CN106128785B (en) | 2016-09-05 | 2016-09-05 | A kind of C film, activation C film and preparation method thereof and ultracapacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106128785A CN106128785A (en) | 2016-11-16 |
| CN106128785B true CN106128785B (en) | 2018-09-04 |
Family
ID=57271163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804137.1A Active CN106128785B (en) | 2016-09-05 | 2016-09-05 | A kind of C film, activation C film and preparation method thereof and ultracapacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106128785B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221450A (en) * | 2017-08-07 | 2017-09-29 | 侯梦斌 | A kind of capacitance electrode preparation method for asymmetric capacitor batteries |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219164B (en) * | 2013-04-19 | 2016-05-25 | 中国科学院物理研究所 | Ultra-thin, self-supporting, flexibility, all-solid-state supercapacitor and preparation method thereof |
| CN103578774B (en) * | 2013-11-15 | 2016-08-17 | 东华大学 | A kind of preparation method of electrode of super capacitor |
| EP3567610B1 (en) * | 2014-05-19 | 2022-08-24 | The Regents of The University of California | Flexible sensor apparatus |
| CN104477886B (en) * | 2014-11-20 | 2016-09-28 | 中山大学 | A kind of accordion Graphene and controllable method for preparing thereof |
| CN105502389A (en) * | 2015-12-21 | 2016-04-20 | 哈尔滨工业大学 | Method for preparing activated carbon material for supercapacitor electrode from calyx seu fructus physalis persistent calyxes |
-
2016
- 2016-09-05 CN CN201610804137.1A patent/CN106128785B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106128785A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Vijayakumar et al. | Activated carbon fibres as high performance supercapacitor electrodes with commercial level mass loading | |
| Niu et al. | Large-size graphene-like porous carbon nanosheets with controllable N-doped surface derived from sugarcane bagasse pith/chitosan for high performance supercapacitors | |
| Heo et al. | Optimization of the pore structure of PAN-based carbon fibers for enhanced supercapacitor performances via electrospinning | |
| Wang et al. | All-biomaterial supercapacitor derived from bacterial cellulose | |
| Yao et al. | In situ surface decoration of Fe3C/Fe3O4/C nanosheets: Towards bi-functional activated carbons with supercapacitance and efficient dye adsorption | |
| Zu et al. | Nanocellulose-derived highly porous carbon aerogels for supercapacitors | |
| TWI733726B (en) | Cellular graphene films | |
| Moon et al. | Three‐dimensional hierarchically mesoporous ZnCo2O4 nanowires grown on graphene/sponge foam for high‐performance, flexible, all‐solid‐state supercapacitors | |
| Manyala et al. | Coniferous pine biomass: A novel insight into sustainable carbon materials for supercapacitors electrode | |
| Lin et al. | Graphene-coupled flower-like Ni3S2 for a free-standing 3D aerogel with an ultra-high electrochemical capacity | |
| Wei et al. | Electrical double layer capacitors with activated sucrose-derived carbon electrodes | |
| Lee et al. | Electrochemical behavior of pitch-based activated carbon fibers for electrochemical capacitors | |
| Lota et al. | Supercapacitors based on nickel oxide/carbon materials composites | |
| CN105502386B (en) | A kind of preparation method of micropore carbon nanosheet | |
| Li et al. | β‐Ni (OH) 2 Nanosheet Arrays Grown on Biomass‐Derived Hollow Carbon Microtubes for High‐Performance Asymmetric Supercapacitors | |
| Zhang et al. | Biosorption-directed integration of hierarchical CoO/C composite with nickel foam for high-performance supercapacitor | |
| Choi et al. | Electrochemical assembly of MnO 2 on ionic liquid–graphene films into a hierarchical structure for high rate capability and long cycle stability of pseudocapacitors | |
| CN104240960B (en) | High density ordered graphene with ion wall and its preparation method and application | |
| He et al. | A large area, flexible polyaniline/buckypaper composite with a core–shell structure for efficient supercapacitors | |
| Ahmad et al. | Advances in graphene-based electrode materials for high-performance supercapacitors: A review | |
| Xu et al. | One-pot hydrothermal synthesis of novel 3D starfish-like δ-MnO 2 nanosheets on carbon fiber paper for high-performance supercapacitors | |
| Mahant et al. | Electrospun poly (vinylidene fluoride)/poly (methyl methacrylate) composite nanofibers polymer electrolyte for batteries | |
| Yang et al. | HCl-activated porous nitrogen-doped carbon nanopolyhedras with abundant hierarchical pores for ultrafast desalination | |
| CN106128785B (en) | A kind of C film, activation C film and preparation method thereof and ultracapacitor | |
| Wang et al. | Three dimentional graphene-CNTs foam architectures for electrochemical capacitors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |