CN106206081A - A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet - Google Patents

A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet Download PDF

Info

Publication number
CN106206081A
CN106206081A CN201610675604.5A CN201610675604A CN106206081A CN 106206081 A CN106206081 A CN 106206081A CN 201610675604 A CN201610675604 A CN 201610675604A CN 106206081 A CN106206081 A CN 106206081A
Authority
CN
China
Prior art keywords
suspension
described step
ferroso
ferric oxide
reaction
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.)
Pending
Application number
CN201610675604.5A
Other languages
Chinese (zh)
Inventor
肖丽芳
钟玲珑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610675604.5A priority Critical patent/CN106206081A/en
Publication of CN106206081A publication Critical patent/CN106206081A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
    • H01G11/28—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
    • 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
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H01G11/46—Metal oxides
    • 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 the preparation method of a kind of ferroso-ferric oxide composite graphite alkene foam electrode sheet, including following step: step (1) joins ball milling in ball mill by fine to graphite oxide and polypropylene, then the mixture after ball milling is joined ethanol and ultrasonic disperse in the mixed solution of water, forms suspension；Nickel foam is soaked in above-mentioned suspension by step (2), solvent evaporated, places into the Muffle reaction in furnace of hydrogen nitrogen mixed gas protection, natural cooling after reaction completely；Above-mentioned product be impregnated in hydrochloric acid by step (3), reaction, obtains foamy graphite alkene after reaction completely；Ferroso-ferric oxide is joined in toluene by step (4), is ultrasonically formed suspension, then the toluene suspension titration containing ferroso-ferric oxide is applied on foamy graphite alkene, is dried, is then placed in Muffle furnace annealing, and after cooling, Kun pressure obtains electrode slice.Electrode slice prepared by the method need not, as adding binding agent and conductive agent in conventional electrodes sheet, reduce the cost of material.

Description

A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet
Technical field
The invention belongs to supercapacitor technologies field, particularly relate to a kind of ferroso-ferric oxide composite graphite alkene foam electricity The preparation method of pole piece.
Background technology
Graphene is a kind of Novel Carbon Nanomaterials, by monolayer sp2 carbon atom tightly packed one-tenth bi-dimensional cellular shape structure. Graphene has electricity, calorifics, optics and the mechanical property of excellence.The theoretical specific surface area that Graphene is high simultaneously and excellent electricity Conductance determines it as electrode material in the great potential of electrochemical energy storing device.
The two-dimensional structure of Graphene uniqueness and outstanding physical characteristic so that it is the application in ultracapacitor has greatly Ground potentiality.Compared with tradition Dare porous carbon materials, Graphene has the highest electric conductivity, big specific surface area and substantial amounts of Interlayer constructs, thus becomes the selection of the more promising electrode material of double layer capacitor.But Graphene is in preparation process It is susceptible to stacking, affects grapheme material dispersibility in the electrolyte and surface wettability, reduce grapheme material Effective ratio area and electrical conductivity.Therefore, it is to avoid Graphene stacking is to prepare high-energy-density and high power density Graphene The technical barrier of ultracapacitor.
Summary of the invention
The technical problem to be solved in the present invention is to provide the preparation method of a kind of super capacitor electrode slice, prepared by the method High-specific surface area, high connductivity grapheme foam compound electric pole piece both can serve as collector, active material can be served as again, negative The capacity of electrode can be increased again after carrying activated carbon, technical process prepared by ultracapacitor can also be simplified simultaneously, reduce Its process costs.
The present invention provides the preparation method of a kind of ferroso-ferric oxide composite graphite alkene foam electrode sheet to be:
Step (1) joins ball milling 30-60min in ball mill, then by the mixing after ball milling by fine to graphite oxide and polypropylene Thing joins ethanol and ultrasonic disperse in the mixed solution of water, forms the suspension of concentration 1-20g/L.
Nickel foam is soaked 10-60min, solvent evaporated in above-mentioned suspension by step (2), places into hydrogen nitrogen mixed gas and protects 800-1100 DEG C of reaction 1-10h, natural cooling after reaction completely in the Muffle furnace protected.
Above-mentioned product be impregnated in the hydrochloric acid of 1-3mol/L by step (3), and 60-80 DEG C of reaction 5-10h, after reaction completely Obtain foamy graphite alkene.
Ferroso-ferric oxide is joined in toluene by step (4), and ultrasonic 10-30min forms suspension, then will be containing four oxidations The toluene suspension titration of three-iron is applied on foamy graphite alkene, is dried, and is then placed in 200-300 DEG C of annealing 30-in Muffle furnace 60min, after cooling, Kun pressure obtains electrode slice.
Further, in described step (1), Ball-milling Time is 30-60min；
Further, the 0.01-5% that quality is graphite oxide quality that in described step (1), polypropylene is fine；
Further, in described step (1), in the mixed solution of ethanol and water, the volume ratio of ethanol and water is 0.25-4；
Further, described step (1) is at the suspension that concentration is 1-20g/L of graphite oxide suspension；
Further, in described step (2), nickel foam is immersed in the time in graphite oxide suspension is 10-60min；
Further, in described step (2), the atmosphere in Muffle furnace is the hydrogen nitrogen mixed gas containing 5% hydrogen；
Further, the described step (2) reaction temperature in Muffle furnace is 800-1100 DEG C, and the response time is 1-10h；
Further, in described step (3), concentration of hydrochloric acid is 1-3mol/L；
Further, the described step (3) reaction temperature in hydrochloric acid is 60-80 DEG C, and the response time is 5-10h；
Further, in described step (4), the mass concentration of ferroso-ferric oxide toluene suspension is 30-70%；
Further, in described step (4), ultrasonic time is 10-30min；
Further, in described step (4), annealing temperature is 200-300 DEG C, and annealing time is 30-60min；
Further, the thickness of the electrode slice obtained in described step (4) is 100-500um.
There is advantages that (1) high-specific surface area, high conductivity grapheme foam both as collector Again as active material, simplify preparation technology, reduce cost；(2) Graphene and four oxidations three after ferroso-ferric oxide load Ferrum can play capacity, can be effectively increased the capacity of electrode；(3) loose structure of grapheme foam can provide effective Electronics and ion conduction channel, it is achieved high-energy-density and high power density；(4) electrode slice prepared by the method need not as often Rule electrode slice adds binding agent and conductive agent, reduces the cost of material.
Accompanying drawing explanation
Fig. 1 is preparation technology flow chart of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the preferably embodiment of the present invention is described in further detail:
Embodiment 1
(1) ball milling 30min in ball mill is joined, then by mixing after ball milling by fine to 10g graphite oxide and 0.001g polypropylene Compound joins ultrasonic disperse in the mixed solution that ethanol and water volume ratio are 0.25, forms the suspension of concentration 1g/L.
(2) nickel foam is soaked in above-mentioned suspension 10min, solvent evaporated, place into the hydrogen nitrogen mixing containing 5% hydrogen 800 DEG C of reaction 10h, natural cooling after reaction completely in the Muffle furnace of gas shielded.
(3) above-mentioned product be impregnated in the hydrochloric acid of 1mol/L, 60 DEG C of reaction 10h, obtain foam stone after reaction completely Ink alkene.
(4) joining in toluene by ferroso-ferric oxide, it is 30% suspension that ultrasonic 10min forms mass concentration, then will contain The toluene suspension titration of ferroso-ferric oxide is applied on foamy graphite alkene, is dried, is then placed in 200 DEG C of annealing in Muffle furnace 60min, after cooling, Kun pressure obtains electrode slice.
(5) according to the preparation technology of usual ultracapacitor by electrode slice, barrier film and electrode slice group by the way of lamination Becoming battery core, be then injected into electrolyte, the electrolyte of injection is 1mol/L Et4NBF4AN solution, sealing, obtain super capacitor Device.
Embodiment 2
(1) ball milling 60min in ball mill is joined, then by the mixing after ball milling by fine to 10g graphite oxide and 0.5g polypropylene Thing joins ultrasonic disperse in the mixed solution that ethanol and water volume ratio are 4, forms the suspension of concentration 20g/L.
(2) nickel foam is soaked in above-mentioned suspension 60min, solvent evaporated, place into the hydrogen nitrogen mixing containing 5% hydrogen 1100 DEG C of reaction 1h, natural cooling after reaction completely in the Muffle furnace of gas shielded.
(3) above-mentioned product be impregnated in the hydrochloric acid of 3mol/L, 80 DEG C of reaction 5h, obtain foam stone after reaction completely Ink alkene.
(4) joining in toluene by ferroso-ferric oxide, it is 70% suspension that ultrasonic 10-30min forms mass concentration, then will Toluene suspension titration containing ferroso-ferric oxide is applied on foamy graphite alkene, is dried, and is then placed in Muffle furnace 300 DEG C and moves back Fire 30min, after cooling, Kun pressure obtains electrode slice.
(5) according to the preparation technology of usual ultracapacitor by electrode slice, barrier film and electrode slice group by the way of lamination Becoming battery core, be then injected into electrolyte, the electrolyte of injection is 1mol/L Et4NBF4AN solution, sealing, obtain super capacitor Device.
Embodiment 3
(1) ball milling 45min in ball mill is joined, then by the mixing after ball milling by fine to 10g graphite oxide and 0.1g polypropylene Thing joins ultrasonic disperse in the mixed solution that ethanol and water volume ratio are 0.5, forms the suspension of concentration 3g/L.
(2) nickel foam is soaked in above-mentioned suspension 30min, solvent evaporated, place into the hydrogen nitrogen mixing containing 5% hydrogen 900 DEG C of reaction 5h, natural cooling after reaction completely in the Muffle furnace of gas shielded.
(3) above-mentioned product be impregnated in the hydrochloric acid of 2mol/L, 75 DEG C of reaction 7h, obtain foamy graphite after reaction completely Alkene.
(4) joining in toluene by ferroso-ferric oxide, it is 50% suspension that ultrasonic 20min forms mass concentration, then will contain The toluene suspension titration of ferroso-ferric oxide is applied on foamy graphite alkene, is dried, is then placed in 250 DEG C of annealing in Muffle furnace 450min, after cooling, Kun pressure obtains electrode slice.
(5) according to the preparation technology of usual ultracapacitor by electrode slice, barrier film and electrode slice group by the way of lamination Becoming battery core, be then injected into electrolyte, the electrolyte of injection is 1mol/L Et4NBF4AN solution, sealing, obtain super capacitor Device.
Embodiment 4
(1) ball milling 40min in ball mill is joined, then by the mixture after ball milling by fine to 10g graphite oxide and 3g polypropylene Join ultrasonic disperse in the mixed solution that ethanol and water volume ratio are 2, form the suspension of concentration 10g/L.
(2) nickel foam is soaked in above-mentioned suspension 50min, solvent evaporated, place into the hydrogen nitrogen mixing containing 5% hydrogen 1000 DEG C of reaction 3h, natural cooling after reaction completely in the Muffle furnace of gas shielded.
(3) above-mentioned product be impregnated in the hydrochloric acid of 1.5mol/L, 65 DEG C of reaction 9h, obtain foam stone after reaction completely Ink alkene.
(4) joining in toluene by ferroso-ferric oxide, it is 50% suspension that ultrasonic 15min forms mass concentration, then will contain The toluene suspension titration of ferroso-ferric oxide is applied on foamy graphite alkene, is dried, is then placed in 220 DEG C of annealing in Muffle furnace 40min, after cooling, Kun pressure obtains electrode slice.
(5) according to the preparation technology of usual ultracapacitor by electrode slice, barrier film and electrode slice group by the way of lamination Becoming battery core, be then injected into electrolyte, the electrolyte of injection is 1mol/L Et4NBF4AN solution, sealing, obtain super capacitor Device.
Embodiment 5
(1) ball milling 40min in ball mill is joined, then by the mixture after ball milling by fine to 10g graphite oxide and 1g polypropylene Join ultrasonic disperse in the mixed solution that ethanol and water volume ratio are 1, form the suspension of concentration 5g/L.
(2) nickel foam is soaked in above-mentioned suspension 20min, solvent evaporated, place into the hydrogen nitrogen mixing containing 5% hydrogen 950 DEG C of reaction 80h, natural cooling after reaction completely in the Muffle furnace of gas shielded.
(3) above-mentioned product be impregnated in the hydrochloric acid of 2.5mol/L, 75 DEG C of reaction 4h, obtain foam stone after reaction completely Ink alkene.
(4) joining in toluene by ferroso-ferric oxide, it is 60% suspension that ultrasonic 25min forms mass concentration, then will contain The toluene suspension titration of ferroso-ferric oxide is applied on foamy graphite alkene, is dried, is then placed in 280 DEG C of annealing in Muffle furnace 35min, after cooling, Kun pressure obtains electrode slice.
(5) according to the preparation technology of usual ultracapacitor by electrode slice, barrier film and electrode slice group by the way of lamination Becoming battery core, be then injected into electrolyte, the electrolyte of injection is 1mol/L Et4NBF4AN solution, sealing, obtain super capacitor Device.
Its method is as it is shown in figure 1, its effect is as shown in table 1, as shown in Table 1: the present invention prepares super capacitor energy density and reaches Arrive 39.5-45.6 Wh/Kg.
Table 1
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5
Energy density (Wh/Kg) 41.2 39.5 43.4 44.5 39.5
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert this Bright being embodied as is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the protection of the present invention Scope.

Claims (10)

1. the preparation method of a ferroso-ferric oxide composite graphite alkene foam electrode sheet, it is characterised in that include following step Rapid:
Step (1) joins ball milling in ball mill by fine to graphite oxide and polypropylene, is then joined by the mixture after ball milling Ethanol and ultrasonic disperse in the mixed solution of water, form suspension；
Nickel foam is soaked in above-mentioned suspension by step (2), solvent evaporated, places in the Muffle furnace of hydrogen nitrogen mixed gas protection Reaction, natural cooling after reaction completely；
Above-mentioned product be impregnated in hydrochloric acid by step (3), reaction, obtains foamy graphite alkene after reaction completely；
Ferroso-ferric oxide is joined in toluene by step (4), is ultrasonically formed suspension, then is hanged by the toluene containing ferroso-ferric oxide Supernatant liquid titration is applied on foamy graphite alkene, is dried, is then placed in Muffle furnace annealing, and after cooling, Kun pressure obtains electrode slice.
2. the method for claim 1, it is characterised in that in described step (1), Ball-milling Time is 30-60min；Described step Suddenly the 0.01-5% that quality is graphite oxide quality that in (1), polypropylene is fine.
3. the method for claim 1, it is characterised in that ethanol and ethanol in the mixed solution of water in described step (1) It is 0.25-4 with the volume ratio of water；Described step (1) is at the suspension that concentration is 1-20g/L of graphite oxide suspension.
4. the method for claim 1, it is characterised in that in described step (2), nickel foam is immersed in graphite oxide suspension Time in liquid is 10-60min.
5. the method for claim 1, it is characterised in that in described step (2), the atmosphere in Muffle furnace is containing 5% hydrogen Hydrogen nitrogen mixed gas.
6. the method for claim 1, it is characterised in that the described step (2) reaction temperature in Muffle furnace is 800- 1100 DEG C, the response time is 1-10h.
7. the method for claim 1, it is characterised in that in described step (3), concentration of hydrochloric acid is 1-3mol/L；At hydrochloric acid In reaction temperature be 60-80 DEG C, the response time is 5-10h.
8. the method for claim 1, it is characterised in that the matter of ferroso-ferric oxide toluene suspension in described step (4) Amount concentration is 30-70%；Ultrasonic time is 10-30min.
9. the method for claim 1, it is characterised in that in described step (4), annealing temperature is 200-300 DEG C, annealing Time is 30-60min.
10. the method for claim 1, it is characterised in that the thickness of the electrode slice obtained in described step (4) is 100- 500um。
CN201610675604.5A 2016-08-16 2016-08-16 A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet Pending CN106206081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610675604.5A CN106206081A (en) 2016-08-16 2016-08-16 A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610675604.5A CN106206081A (en) 2016-08-16 2016-08-16 A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet

Publications (1)

Publication Number Publication Date
CN106206081A true CN106206081A (en) 2016-12-07

Family

ID=57522512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610675604.5A Pending CN106206081A (en) 2016-08-16 2016-08-16 A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet

Country Status (1)

Country Link
CN (1) CN106206081A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018184182A1 (en) * 2017-04-07 2018-10-11 深圳市佩成科技有限责任公司 Electrode manufacturing method for supercapacitor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864098A (en) * 2010-06-03 2010-10-20 四川大学 Preparation method of polymer/graphene composite material through in situ reduction
CN103545121A (en) * 2013-10-23 2014-01-29 南京大学 Supercapacitor electrode material preparation method based on three-dimensional graphene
CN103682368A (en) * 2012-09-20 2014-03-26 中国科学院金属研究所 Rapidly charged flexible lithium ion battery and preparation method of electrodes of rapidly charged flexible lithium ion battery
CN104495811A (en) * 2014-12-12 2015-04-08 盐城市新能源化学储能与动力电源研究中心 Graphene composite material and preparation method thereof
CN105448534A (en) * 2014-12-19 2016-03-30 中国科学院福建物质结构研究所 Combined electrode, preparation method thereof and application in super capacitor
CN105609736A (en) * 2016-02-21 2016-05-25 钟玲珑 Preparation method for three-dimensional carbon nanotube/nitrogen-doped graphene/sulfur electrode slice
CN105762331A (en) * 2016-02-21 2016-07-13 钟玲珑 Preparation method of three-dimensional sulfur-doped graphene/sulfur composite material electrode slice

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864098A (en) * 2010-06-03 2010-10-20 四川大学 Preparation method of polymer/graphene composite material through in situ reduction
CN103682368A (en) * 2012-09-20 2014-03-26 中国科学院金属研究所 Rapidly charged flexible lithium ion battery and preparation method of electrodes of rapidly charged flexible lithium ion battery
CN103545121A (en) * 2013-10-23 2014-01-29 南京大学 Supercapacitor electrode material preparation method based on three-dimensional graphene
CN104495811A (en) * 2014-12-12 2015-04-08 盐城市新能源化学储能与动力电源研究中心 Graphene composite material and preparation method thereof
CN105448534A (en) * 2014-12-19 2016-03-30 中国科学院福建物质结构研究所 Combined electrode, preparation method thereof and application in super capacitor
CN105609736A (en) * 2016-02-21 2016-05-25 钟玲珑 Preparation method for three-dimensional carbon nanotube/nitrogen-doped graphene/sulfur electrode slice
CN105762331A (en) * 2016-02-21 2016-07-13 钟玲珑 Preparation method of three-dimensional sulfur-doped graphene/sulfur composite material electrode slice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018184182A1 (en) * 2017-04-07 2018-10-11 深圳市佩成科技有限责任公司 Electrode manufacturing method for supercapacitor

Similar Documents

Publication Publication Date Title
Wang et al. “Brick-and-mortar” sandwiched porous carbon building constructed by metal-organic framework and graphene: Ultrafast charge/discharge rate up to 2 V s− 1 for supercapacitors
CN106315567A (en) Preparation method of foam graphene
CN106158409A (en) A kind of preparation method of manganese dioxide composite graphite alkene foam electrode sheet
CN106298267A (en) A kind of preparation method of activated carbon composite graphite alkene foam electrode sheet
CN106158425A (en) A kind of preparation method of carbon aerogels composite graphite alkene foam electrode sheet
CN103794379A (en) Graphene/carbon nano-tube composite material, and preparation method and application thereof
CN106298281A (en) A kind of preparation method of CNT composite graphite alkene foam electrode sheet
Long et al. Engineering the interface between separators and cathodes to suppress polysulfide shuttling in lithium-sulfur batteries
CN106276878A (en) A kind of electrodeposition process prepares the method for grapheme foam
Zhang et al. Multi-dimensional graded electrodes with enhanced capacitance and superior cyclic stability
CN103545539A (en) Three-dimensional netted graphite foam or netted glassy carbon bipolar plate of all-vanadium redox flow battery
CN101533719A (en) Dissymmetrical supercapacitor with high energy density and method for preparing same
CN106206081A (en) A kind of preparation method of ferroso-ferric oxide composite graphite alkene foam electrode sheet
CN103839690A (en) Nitrogen-doped graphene composite material, preparation method of nitrogen-doped graphene composite material, electrode sheet and super capacitor
CN106158406A (en) A kind of preparation method of ruthenium-oxide composite graphite alkene foam electrode sheet
CN106158423A (en) A kind of preparation method of carbon nano-fiber composite graphite alkene foam electrode sheet
Gao et al. Self-grown 1D/2D Ni (OH) 2 nanofiber/nanosheet on corn stigma-derived carbon for high-performance hybrid supercapacitors
CN106298280A (en) A kind of preparation method of polyaniline composite graphite alkene foam electrode sheet
CN106169382A (en) A kind of preparation method of vanadic anhydride composite graphite alkene foam electrode sheet
CN106169383A (en) A kind of preparation method of nickel oxide composite graphite alkene foam electrode sheet
CN106298279A (en) A kind of preparation method of stannum oxide composite graphite alkene foam electrode sheet
CN106298278A (en) A kind of preparation method of polythiophene composite graphite alkene foam electrode sheet
CN106158422A (en) A kind of preparation method of polypyrrole composite graphite alkene foam electrode piece
Wu et al. Porous carbons derived from potato for high-performancesupercapacitors
CN106229150A (en) A kind of preparation method of lithium ion capacitor anode plate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161207