CN106128785A - A kind of C film, the C film and preparation method thereof of activation and ultracapacitor - Google Patents
A kind of C film, the C film and preparation method thereof of activation and ultracapacitor Download PDFInfo
- Publication number
- CN106128785A CN106128785A CN201610804137.1A CN201610804137A CN106128785A CN 106128785 A CN106128785 A CN 106128785A CN 201610804137 A CN201610804137 A CN 201610804137A CN 106128785 A CN106128785 A CN 106128785A
- Authority
- CN
- China
- Prior art keywords
- film
- activation
- preparation
- ultracapacitor
- carbonization
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
C film that the invention provides a kind of C film, activation and preparation method thereof and ultracapacitor, described C film is flexible self-supporting C film, and the surface of described C film is pleated structure, and the crestal line height of described pleated structure is 10 50nm.The C film that the present invention provides has good mechanical flexibility；It can contain the thin film bio matter of fold micro structure as presoma with wide material sources, reproducible surface, uses simple heating means to prepare, environmental friendliness, with low cost；Described carbon film surface contains substantial amounts of pleated structure, and after activation, specific surface area is high；Can be used for preparing ultracapacitor, memory capacity is high, avoid the introducing of additional additive, simplifies preparation technology, improves the energy storage densities of capacitor, reduces the cost of capacitor.
Description
Technical field
The invention belongs to nano material preparation and applied technical field, relate to a kind of C film, the C film of activation and
Its preparation method and application, particularly relate to self-supporting C film, the C film of activation and system thereof that a kind of surface is pleated structure
Preparation Method and utilize its ultracapacitor prepared.
Background technology
Day by day serious along with energy crisis and environmental problem, renewable and clean energy resource demand is the most urgent.Novel energy
The exploitation of structure such as solar energy, wind energy etc., can alleviate the mankind to a great extent and depend on the non-renewable resources such as coal, oil
Rely, reduce the environmental pollution that the burning of this kind of resource causes.But, these energy resource structures have the time and region is restricted, therefore,
For the storage of this kind of energy, it it is the most critical issue limiting the development of such energy resource structure.
Ultracapacitor (electrochemical vessel), has high power density and energy density, is that one has traditional capacitance concurrently
Device and the novel energy storage organization of battery feature.In recent years, ultracapacitor, especially flexible super capacitor, due to it
There is the service life of overlength and high output energy, paid close attention to by the most widely.Double electric layers supercapacitor is a class
Typical ultracapacitor, it is based on electric charge storage on electrode material and release, it is achieved the purpose of fast charging and discharging.Carbon
Material is the electrode material for electric double layer capacitor of a quasi-representative, and capacitor based on CNT, Graphene is high owing to having
Memory capacity and the service life of overlength, studied the most widely.But, the carbon nanometer material such as CNT, Graphene
Material is limited by preparation technology so that such capacitor is relatively costly.
Biomass source is extensive, renewable, with low cost, is a kind of preferably material with carbon element presoma.In recent years, based on life
The electrode material of material base carbon is studied the most widely, as with leaves (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), Semen Salicis babylonicae cum pilus (K.Wang et al, Promising biomass-based activated carbons derived
from willow catkins for high performance supercapacitors.Electrochimica Acta,
2015,166,1-11), Ovum crusta Gallus domesticus 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), Ulmus pumila L. (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), petal (Wei Xiaolin etc., prepare Flos Camelliae Japonicae petal base sulfur, the technique of nitrogen co-doped fold carbon nanosheet and surpass by a kind of explosion method
The preparation method of level 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, but these
Material is mealy structure, needs to add the auxiliary reagents such as binding agent and prepare C film electrode when preparing capacitor with it, technique
Complexity and energy density are 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 Gossypii (L.Li et al, Nitrogen-doped
carbonized cotton for highly flexible supercapacitors.Carbon,2016,105,260-
267) etc. can obtain self-supporting block structure, but these porous blocks mechanics of materials flexibilities are poor, the flexibility of capacitor is subject to
Limit.It is additionally, since the existence of a large amount of macroporous structure so that the energy storage density of this type of material is relatively low, generally less than 10Wh/
kg。
Summary of the invention
For prior art exist deficiency, it is an object of the invention to provide a kind of C film, the C film of activation and
Its preparation method and ultracapacitor, described C film is flexible self-supporting structure, can prepare super directly as electrode material
Capacitor, enormously simplify the preparation technology of ultracapacitor, and the flexible super capacitor magnitude of the stored charge made is big, energy
Density is high.
For reaching this purpose, the present invention by the following technical solutions:
An object of the present invention is to provide a kind of C film, and described C film is flexible self-supporting C film, described
The surface of C film is pleated structure, and the crestal line height of described pleated structure is 10-50nm, as 15nm, 20nm, 25nm, 30nm,
35nm, 40nm or 45nm etc..
The size of described C film is 40-80mm2, such as 45mm2、48mm2、50mm2、52mm2、55mm2、58mm2、60mm2、
65mm2、70mm2、75mm2Or 78mm2Deng.
Preferably, the thickness of described 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 two of the purpose of the present invention are to provide the preparation method of a kind of C film described above, and described preparation method includes
Following steps:
(1) surface is had the biomass film drying of pleated structure, obtains the biomass thin film being dried, wherein, described
The crestal line height of pleated structure is nanoscale；
(2) by dry biomass thin film in inert atmosphere, carbonization under the conditions of 800-1200 DEG C, carbonized product is obtained；
(3) remove the inorganic particle on carbonized product surface, obtain C film.
Biomass described in step (1) need to be membrane structure, and film thickness is to ensure that prepared C film has flexibility
Precondition.The thickness of described biomass thin film is micron order, preferably 1-100 micron, can be such as 2 microns, 5 microns,
10 microns, 30 microns, 50 microns, 60 microns, 90 microns etc..
The crestal line height of the biomass thin film described in step (1) is nanoscale, preferably 1-100 nanometer, such as, can be 2
Nanometer, 5 nanometers, 10 nanometers, 30 nanometers, 50 nanometers or 90 nanometers etc..
Preferably, the biomass thin film described in step (1) with pleated structure is preferably petal, and the thickness of petal is only 20
Microns.
Preferably, step (2) described carbonization is carried out in tube furnace.
Preferably, in tube furnace, the flow of inert atmosphere is 50-2000sccm, as 60sccm, 100sccm, 200sccm,
300sccm, 500sccm, 800sccm, 1000sccm, 1200sccm, 1500sccm, 1800sccm or 1900sccm etc..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 and/or nitrogen.
The temperature of step (2) described carbonization is 800-1200 DEG C, 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 etc..
Step (3) uses acid soak carbonized product to remove the inorganic particle on carbonized product surface.
Preferably, the described acid solution any one or the combination of at least two in hydrochloric acid, nitric acid or sulphuric acid.Typical case but
Nonrestrictive combination example hydrochloric acid and sulphuric acid, hydrochloric acid and nitric acid, hydrochloric acid, sulphuric acid and nitric acid.
Preferably, the concentration of described acid solution is 1-6M, such as 1.5M, 2M, 2.5M, 3M, 3.5M, 4M, 4.5M, 5M or 5.5M
Deng.In the present invention if no special instructions, described M is the concentration unit that those skilled in the art commonly use, 1M=1mol/L.
Preferably, the time of described immersion is 24-96h, as 25h, 26h, 27h, 28h, 30h, 35h, 40h, 45h, 50h,
60h, 70h, 80h or 90h etc..
Those skilled in the art may be used without the inorganic particle on other method removal carbonized product surface.As long as not destroying
C film.
As preferred technical scheme, the preparation method of described C film comprises the steps:
(1) petal is dried, obtains the petal being dried；
(2) dry petal is placed in tube furnace, carbonization under the protection of noble gas；The flow of noble gas is
50-2000sccm, the temperature of carbonization is 800-1200 DEG C, and the time of carbonization is 30min-4h, obtains carbonized product；
(3) carbonized product is soaked in the acid solution that concentration is 1-6M 24-96h, remove the inorganic of carbonized product surface
Granule, obtains C film.
The three of the purpose of the present invention are to provide the C film of a kind of activation, and the C film of described activation is by as above
C film activation obtains, and the specific surface area of the C film of described activation is 450-509m2/ g, such as 455m2/g、460m2/g、
470m2/g、480m2/g、490m2/ g or 500m2/ g etc..
The method of the C film activation of described activation is: by described C film 280-400 DEG C, air atmosphere heats 1-
4h, such as 1.5h, 2h, 2.5h, 3h, 3.5h etc., obtains the C film of activation, the temperature of described 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 four of the purpose of the present invention are to provide a kind of ultracapacitor, and described ultracapacitor includes as above living
The C film changed；
Described ultracapacitor is preferably all-solid-state supercapacitor, the most flexible all-solid-state supercapacitor.
Preferably, described flexible all-solid-state supercapacitor includes flexible substrates the most successively, has loaded solid-state electricity
Solve the C film of activation of matter, barrier film and loaded the C film of activation of solid electrolyte.
Preferably, described flexible substrates is polyethylene terephthalate.Described flexible substrates is alternatively other base
Bottom material, those skilled in the art can select according to actual needs.
Preferably, described solid electrolyte be mass ratio be the H of 1:13PO4Mixture with polyvinyl alcohol.
Preferably, described barrier film is paper.
The C film of the described activation 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 soaked wherein, takes out, make water volatilization to the greatest extent, obtain having loaded the work of solid electrolyte
The C film changed.
Compared with prior art, the invention have the benefit that
The C film that the present invention provides is self supporting structure, has good mechanical flexibility, and its surface is contained substantial amounts of
Pleated structure, keeps original self supporting structure and mechanical flexibility, and specific surface area is high, for 450-509m after activation2/g；Electric energy
Memory capacity is big, reaches 200-332.7F/g.
The thin film that the C film that the present invention provides can contain fold micro structure with wide material sources, the surface that can regenerate
Biomass are presoma, use simple heating means to prepare, environmental friendliness, with low cost；
The C film that the present invention provides is used for preparing ultracapacitor, it is to avoid additional additive when preparing in capacitor
Introduce, simplify preparation technology, reduce the cost of capacitor.It is additionally, since the introducing not having additional additive, improves electricity
The energy density of container, improving to 26-46Wh/kg less than 10Wh/kg by traditional capacitor.
Accompanying drawing explanation
Fig. 1-a is macroscopical picture of the C film that embodiment 2 provides.
Fig. 1-b is the scanning electron microscopic picture of the C film that embodiment 2 provides.
Fig. 2 is the gas absorption-desorption curve before and after the C film activation that embodiment 2 provides.
Fig. 3 is the C film cyclic voltammetry curve as electrode of the activation that embodiment 4 provides.
Fig. 4 is the structural representation of flexible solid capacitor prepared by the C film of activation that embodiment 5 provides, wherein:
1, it is coated with the C film of the activation of solid electrolyte；2, paper barrier film；3, PET base.
Fig. 5 is the pictorial diagram of flexible solid capacitor prepared by the C film of activation that embodiment 5 provides.
Fig. 6 is the cyclic voltammetry curve of flexible solid capacitor prepared by the C film of activation that embodiment 5 provides.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
Embodiment 1
The preparation of a kind of C film and activation method, comprise the steps:
(1) fresh petal is clipped in the middle of two graphite cakes 110 DEG C of heating, dryings on warm table；
(2) dry petal is placed in tube furnace under nitrogen protection, 800 DEG C heating 4h, nitrogen flow rate is 50sccm,
Obtain carbonized product；
(3) carbonized product is placed in 1M nitric acid at 25 DEG C, soaks 96h, remove particles of inorganic material, obtain C film；
(4) C film is placed in tube furnace in 280 DEG C of air heating 4h, obtains the C film of activation.
The C film of the activation that step (4) obtains is self supporting structure, its a size of 60-80mm2, shown by scanning electron
Micro mirror (model is Hitachi S4800FESEM) is observed, and the C film thickness of prepared activation is 2-50 μm, and surface is contained
A large amount of pleated structures, the crestal line height of pleated structure is 10-50nm.By gas absorption-(model is in desorption measurement
NOVA4200e) characterizing, the specific surface area of prepared C film is 6.44m2/ g, the specific surface area of the C film of activation is 400m2/
g。
Embodiment 2
The preparation of a kind of C film and activation method, comprise the steps:
(1) fresh petal is clipped in the middle of two graphite cakes 110 DEG C of heating, dryings on warm table；
(2) being placed in tube furnace under argon shield by dry petal in 1000 DEG C of heating 1h, argon flow velocity is
100sccm, obtains carbonized product；
(3) carbonized product is placed in 4M hydrochloric acid at 25 DEG C, soaks 48h, remove the particles of inorganic material of carbon film surface；
(4) C film is placed in tube furnace heats 1h in atmosphere in 300 DEG C, obtain the C film of activation.
The C film of the activation that step (4) obtains is self supporting structure, as shown in Fig. 1-a, and its a size of 50-70mm2, logical
Overscanning ultramicroscope (model is Hitachi S4800FESEM) is observed, and the C film thickness of prepared activation is 2-50
μm, surface contains a large amount of pleated structure, and the crestal line height of pleated structure is 10-50nm, as shown in Fig. 1-b.By gas absorption-
Desorption is measured (model is NOVA4200e) and is characterized, 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
The preparation of a kind of C film and activation method, comprise the steps:
(1) fresh petal is clipped in the middle of two graphite cakes 110 DEG C of heating, dryings on warm table；
(2) being placed in tube furnace under argon shield by dry petal in 1200 DEG C of heating 30min, argon flow velocity is
2000sccm, obtains carbonized product；
(3) carbonized product is placed in 6M sulphuric acid at 25 DEG C, soaks 24h, remove the particles of inorganic material of carbon film surface,
Obtain C film；
(4) C film is placed in tube furnace heats 2h in atmosphere in 400 DEG C, obtain the C film of activation.
The C film of the activation that step (4) obtains is self supporting structure, its a size of 40-60mm2, shown by scanning electron
Micro mirror (model is Hitachi S4800FESEM) is observed, and the C film thickness of prepared activation is 2-50 μm, and surface is contained
A large amount of pleated structures, the crestal line height of pleated structure is 10-50nm.By gas absorption-(model is in desorption measurement
NOVA4200e) characterizing, the specific surface area of prepared C film is 5m2/ g, the specific surface area of the C film after activation is 500m2/
g。
Embodiment 4
The present embodiment is for illustrating the prepared C film energy storage character as electrode for capacitors.
The C film of the activation that use embodiment 2 obtains as electrolyte, utilizes three-electrode method as electrode, 0.5M KCl
The cyclic voltammetry curve of measuring samples, sweep limits is-1-0V.Examined by (model is Corrtest2350) electrochemical workstation
Survey, the cyclic voltammetry curve of the C film of prepared activation as it is shown on figure 3, be computed, this carbon when sweep speed is 10mV/s
The ratio electric capacity of thin film is 332F/g, it can be seen that this C film has good energy storage performance.
Embodiment 5
The present embodiment is for illustrating the application in flexible solid capacitor of the prepared C film.
A kind of flexible all-solid-state supercapacitor, described flexible all-solid-state supercapacitor includes flexibility the most successively
Substrate, it is coated with the C film of the activation of solid electrolyte, barrier film and has been coated with the C film of activation of solid electrolyte；Described
Activation the C film that C film is the activation that embodiment 2 obtains, described solid electrolyte be mass ratio be the polyvinyl alcohol of 1:1
With H3PO4Mixture (PVA/H3PO4)；Described barrier film is paper；Described flexible substrates is PET base.
The C film of the described activation being coated with solid electrolyte is prepared via a method which to obtain: with water by mass ratio be
PVA and H of 1:13PO4It is made into colloidal sol, the C film of activation is soaked wherein, after C film absorption to be activated is saturated, take
Going out, make water volatilization to the greatest extent, obtain the electrode of uniformly cladding inside and outside solid electrolyte, the carbon of the activation being i.e. coated with 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 that described flexibility is entirely solid
State ultracapacitor includes the C film 1 being coated with the activation of solid electrolyte, paper barrier film 2 the most successively, has been coated with solid
The C film 1 of the activation of state electrolyte and PET base 3.Fig. 5 shows that prepared capacitor has good mechanical flexibility.Utilize
The cyclic voltammetry curve of two-probe method measuring samples, sweep limits is-1-0V.By (model is Corrtest 2350) electrification
Work station detects, and the cyclic voltammetry curve of prepared flexible solid capacitor as shown in Figure 6, is computed, and sweep speed is
During 10mV/s, the ratio electric capacity of this capacitor is 154F/g.
It addition, the C film of the activation that embodiment 1 and 3 obtains is carried out the sign described in embodiment 3 and embodiment 6, table
Levy result explanation, when the C film after the activation that embodiment 1 and 3 obtains is as electrode, when sweep speed is 10mV/s than electricity
Hold for 280F/g and 315F/g；The ratio electric capacity of the flexible solid capacitor prepared is respectively 120F/g and 147F/g.
Applicant states, the foregoing is only the detailed description of the invention of the present invention, but protection scope of the present invention not office
Being limited to this, person of ordinary skill in the field is it will be clearly understood that any those skilled in the art of belonging to take off in the present invention
In the technical scope of dew, the change that can readily occur in or replacement, within the scope of all falling within protection scope of the present invention and disclosure.
Claims (10)
1. a C film, it is characterised in that described C film is flexible self-supporting C film, the surface of described C film is pleat
Wrinkle structure, the crestal line height of described pleated structure is 10-50nm.
C film the most according to claim 1, it is characterised in that the size of described C film is 40-80mm2；
Preferably, the thickness of described C film is 2-50 μm.
The preparation method of C film the most according to claim 1 and 2, it is characterised in that described preparation method includes as follows
Step:
(1) surface is had the biomass film drying of pleated structure, obtains the biomass thin film being dried, wherein, described fold
The crestal line height of structure is nanoscale；
(2) by dry biomass thin film in inert atmosphere, carbonization under the conditions of 800-1200 DEG C, carbonized product is obtained；
(3) remove the inorganic particle on carbonized product surface, obtain C film.
Preparation method the most according to claim 3, it is characterised in that the thickness of step (1) described biomass thin film is 1-
100 microns；
Preferably, the height of step (1) described crest line is 1-100 nanometer；
Preferably, the biomass thin film having pleated structure described in step (1) is petal；
Preferably, step (2) described carbonization is carried out in tube furnace；
Preferably, in tube furnace, the flow of inert atmosphere is 50-2000sccm；
Preferably, step (2) described inert atmosphere is selected from argon and/or nitrogen；
Preferably, the time of step (2) described carbonization is 30min-4h.
5. according to the preparation method described in claim 3 or 4, it is characterised in that step (3) uses acid soak carbonized product to go
The inorganic particle of de-carbon its surface；
Preferably, the described acid solution any one or the combination of at least two in hydrochloric acid, nitric acid or sulphuric acid；
Preferably, the concentration of described acid solution is 1-6M；
Preferably, the time of described immersion is 24-96h.
6. according to the preparation method one of claim 3-5 Suo Shu, it is characterised in that described preparation method comprises the steps:
(1) petal is dried, obtains the petal being dried；
(2) by dry petal inert atmosphere, under the conditions of 800-1200 DEG C in tube furnace carbonization 30min-4h, obtain carbonization
Product, the flow of inert atmosphere is 50-2000sccm；
(3) concentration is the acid soak carbonized product 24-96h of 1-6M, removes the inorganic particle on carbonized product surface, obtains
C film.
7. the C film of an activation, it is characterised in that the C film of described activation is by the C film described in claim 1 or 2
Activation obtains, and the specific surface area of the C film of described activation is 450-509m2/g。
The C film of activation the most according to claim 7, it is characterised in that the method for described activation is: existed by C film
280-400 DEG C, air atmosphere heats 1-4h, the C film after being activated.
9. a ultracapacitor, it is characterised in that described ultracapacitor includes the carbon of the activation described in claim 7 or 8
Thin film.
Ultracapacitor the most according to claim 9, it is characterised in that described ultracapacitor is all solid state super electricity
Container, is preferably flexible all-solid-state supercapacitor；
Preferably, described flexible all-solid-state supercapacitor includes flexible substrates the most successively, has loaded solid electrolyte
The C film of activation, barrier film and loaded the C film of activation of solid electrolyte；
Preferably, described flexible substrates is polyethylene terephthalate；
Preferably, described solid electrolyte be mass ratio be the H of 1:13PO4Mixture with polyvinyl alcohol；
Preferably, described barrier film 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 true CN106128785A (en) | 2016-11-16 |
| CN106128785B 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) |
Cited By (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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219164A (en) * | 2013-04-19 | 2013-07-24 | 中国科学院物理研究所 | Ultra-thin, self-supporting, flexible and all-solid-state super capacitor and manufacturing method thereof |
| CN103578774A (en) * | 2013-11-15 | 2014-02-12 | 东华大学 | Preparation method for electrode of supercapacitor |
| CN104477886A (en) * | 2014-11-20 | 2015-04-01 | 中山大学 | Folded graphene and controllable preparation method thereof |
| WO2015179320A1 (en) * | 2014-05-19 | 2015-11-26 | The Regents Of The University Of California | Flexible sensor apparatus |
| 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219164A (en) * | 2013-04-19 | 2013-07-24 | 中国科学院物理研究所 | Ultra-thin, self-supporting, flexible and all-solid-state super capacitor and manufacturing method thereof |
| CN103578774A (en) * | 2013-11-15 | 2014-02-12 | 东华大学 | Preparation method for electrode of supercapacitor |
| WO2015179320A1 (en) * | 2014-05-19 | 2015-11-26 | The Regents Of The University Of California | Flexible sensor apparatus |
| CN104477886A (en) * | 2014-11-20 | 2015-04-01 | 中山大学 | Folded graphene and controllable preparation method 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106128785B (en) | 2018-09-04 |
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 | |
| Subramani et al. | Orange peel derived activated carbon for fabrication of high‐energy and high‐rate supercapacitors | |
| Wang et al. | All-biomaterial supercapacitor derived from bacterial cellulose | |
| Cai et al. | Porous carbon derived from cashew nut husk biomass waste for high-performance supercapacitors | |
| Heo et al. | Optimization of the pore structure of PAN-based carbon fibers for enhanced supercapacitor performances via electrospinning | |
| Zeng et al. | Construction of hierarchical CoS nanowire@ NiCo 2 S 4 nanosheet arrays via one-step ion exchange for high-performance supercapacitors | |
| Zhu et al. | Dual tuning of biomass-derived hierarchical carbon nanostructures for supercapacitors: the role of balanced meso/microporosity and graphene | |
| Zhou et al. | Amorphous RuO 2 coated on carbon spheres as excellent electrode materials for supercapacitors | |
| Lota et al. | Supercapacitors based on nickel oxide/carbon materials composites | |
| Li et al. | β‐Ni (OH) 2 Nanosheet Arrays Grown on Biomass‐Derived Hollow Carbon Microtubes for High‐Performance Asymmetric Supercapacitors | |
| Ma et al. | Porous carbon derived from sorghum stalk for symmetric supercapacitors | |
| Li et al. | Composite of hierarchical interpenetrating 3D hollow carbon skeleton from lotus pollen and hexagonal MnO 2 nanosheets for high-performance supercapacitors | |
| CN104240960B (en) | High density ordered graphene with ion wall and its preparation method and application | |
| Wang et al. | Promising activated carbons derived from cabbage leaves and their application in high-performance supercapacitors electrodes | |
| CN107665775A (en) | Ultracapacitor based on porous carbon nanosheet and preparation method thereof | |
| Ahmad et al. | Advances in graphene-based electrode materials for high-performance supercapacitors: A review | |
| Peng et al. | Bioinspired highly crumpled porous carbons with multidirectional porosity for high rate performance electrochemical supercapacitors | |
| CN108545712A (en) | A method of synthesizing multi-stage porous carbon material with salt template carbonization ZIF-8 | |
| Mao et al. | Ultrathin MnO 2 nanosheets grown on fungal conidium-derived hollow carbon spheres as supercapacitor electrodes | |
| CN103606662A (en) | Preparation method and application of three-dimensional graphene-based tin dioxide composite material | |
| CN105957723B (en) | A kind of method that chemical vapour deposition technique prepares cobaltous selenide super capacitor material | |
| Yan et al. | Heteroatoms in situ-doped hierarchical porous hollow-activated carbons for high-performance supercapacitor | |
| Vijayakumar et al. | Conversion of Solar Energy into Electrical Energy Storage: Supercapacitor as an Ultrafast Energy‐Storage Device Made from Biodegradable Agar‐Agar as a Novel and Low‐Cost Carbon Precursor | |
| Farma et al. | The self-adhesive properties of carbon activated-like shape coin derived from Palmae plant waste and used as high-performance supercapacitor electrodes |
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 |