CN104934234A - Preparation method for linear asymmetrical supercapacitor and supercapacitor prepared by same - Google Patents

Preparation method for linear asymmetrical supercapacitor and supercapacitor prepared by same Download PDF

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Publication number
CN104934234A
CN104934234A CN201510337041.4A CN201510337041A CN104934234A CN 104934234 A CN104934234 A CN 104934234A CN 201510337041 A CN201510337041 A CN 201510337041A CN 104934234 A CN104934234 A CN 104934234A
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preparation
eit
asymmetry
ultracapacitor
electrode
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晏成林
杨庭舟
钱涛
卢航
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Suzhou University
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Suzhou University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13Energy storage using capacitors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

The invention relates to a preparation method for a linear asymmetrical supercapacitor and a supercapacitor prepared by the same. The preparation method comprises the following steps of: (a) cleaning a first titanium wire and a second titanium wire; (b) adding Ni(NO3)6H2O and CoCl26H2O into deionized water, and dissolving to obtain a mixed solution; (c) adding the mixed solution into a three-electrode electrolytic tank, immersing the first titanium wire into the three-electrode electrolytic tank, and depositing for 30 to 60 minutes at current density of 0.1 to 0.3mV/cm to obtain the first titanium wire of which the surface is formed with layered Ni-Co double hydroxides, namely an anode; (d) bending the second titanium wire into a spiral tube shape, and coating the surface of the second titanium wire with a mixture containing graphene, polyvinylidene fluoride and acetylene black, namely a cathode; and (e) inserting the anode into the cathode, and wrapping PVA/KOH solid electrolyte between the anode and the cathode and outside the cathode to obtain the linear asymmetrical supercapacitor. The metal double-hydroxide electrode can be endowed with high specific capacity, energy density and power density.

Description

The preparation method of asymmetry of EIT ultracapacitor and the ultracapacitor prepared by the method
Technical field
The invention belongs to a kind of electrochemical device field, relate to a kind of asymmetry of EIT ultracapacitor, the preparation method being specifically related to a kind of asymmetry of EIT ultracapacitor and the ultracapacitor prepared by the method.
Background technology
Energy storage device, comprise ultracapacitor and lithium ion battery, all the time be the popular domain of contemporary scientific research, especially requiring the wearable portable of small size, lightweight and high-flexibility and height integrated equipment, embedded vital sign monitoring equipment and portable power supply.Ultracapacitor, is also referred to as electrochemical capacitor, because its high power density and security reliability can meet all electricity needs of wearable electronic product.But, at present to the focus of the research of ultracapacitor be the electrode of its large volume, barrier film and device be not suitable for the application of flexible energy memory device.Develop the high-efficiency small-sizedization energy storage device matched with flexibility/wearable electronic product to remain and to challenge.
Line style ultracapacitor is as the one of flexible energy memory device, and it causes the research interest of people in the past few years.This linear flexible ultracapacitor designer is departed from traditional constraints, other positions of wrist, neck and human body can be worn on, allow people freely to play to greatest extent on a device design, and be that strong publicity has been done in the realization of practical wearable electronic product.But the flexible linear capacitor that at present great majority have designed is all be based upon on the electrode relevant to material with carbon element, and the volumetric capacitance of these materials due to the microstructure of its limitation and electrode still unsatisfactory.
Asymmetric Supercapacitor uses fake capacitance material and electric double layer capacitance material to improve energy density usually.The attracting feature of Asymmetric Supercapacitor is that fake capacitance electrode substantially increases ratio capacitance and increases operating voltage.When fake capacitance material to be combined with electric double layer capacitance material form Asymmetric Supercapacitor time, the energy density of Asymmetric Supercapacitor and power density can obtain very large lifting.And, confirm that the chemical property of Asymmetric Supercapacitor is subject to the impact of electrode material performance and structure.Therefore, the development of Asymmetric Supercapacitor high-energy-density mainly relies on selection and the making of advanced electrode material.
Summary of the invention
The present invention seeks to a kind of asymmetry of EIT ultracapacitor preparation method of the requirement design in order to overcome the deficiencies in the prior art and practicality industrialization.
For achieving the above object, the technical solution used in the present invention is: a kind of preparation method of asymmetry of EIT ultracapacitor, and it comprises the following steps:
A () gets the first titanium silk and the second titanium silk cleans up;
B () adds Ni(NO in deionized water 3) 6H 2o and CoCl 26H 2o, dissolves to obtain mixed solution;
C described mixed solution adds in three-electrode cell by (), and be immersed by described first titanium silk, deposits 30 ~ 60min, obtain the first titanium silk of surperficial formation stratiform Ni-Co double-hydroxide, be positive pole under the current density of 0.1 ~ 0.3 mV/cm;
D described second titanium silk is bent to helix by (), and comprise the mixture of Graphene, polyvinylidene fluoride and acetylene black in its surface-coated, is negative pole;
E described positive pole inserts in described negative pole by (), and between described positive pole and described negative pole and described negative pole outer wrapping PVA/KOH solid electrolyte, obtain asymmetry of EIT ultracapacitor.
Optimally, in described step (c), three-electrode cell for work electrode, is to electrode with platinum electrode, with Ag/AgCl electrode for reference electrode with described first titanium silk.
Optimally, in described step (a), described first titanium silk and described second titanium silk are immersed in acetone, dilute hydrochloric acid solution, deionized water and absolute ethyl alcohol respectively and carries out ultrasonic cleaning.
Further, the mass concentration of described dilute hydrochloric acid solution is 5 ~ 15%.
Optimally, described Ni(NO 3) 6H 2the concentration of O is 20 ~ 50g/L, described CoCl 26H 2the concentration of O is 19 ~ 36g/L.
Optimally, in step (d), in described mixture, Graphene, polyvinylidene fluoride and acetylene black mass ratio are 7 ~ 8:1:1 ~ 2.
Optimally, in step (e), described PVA/KOH solid electrolyte is that PVA, KOH and water are stirred to clear gum and obtained according to the ratio of 3 ~ 8g:3g:50 ~ 100ml at 60 ~ 90 DEG C.
Another object of the present invention is to provide a kind of ultracapacitor obtained by above-mentioned preparation method.
Because technique scheme is used, the present invention compared with prior art has following advantages: the preparation method of asymmetry of EIT ultracapacitor of the present invention, the mixed solution being contained cobalt and nickel by current electroanalysis creates beyond thought effect: form stratiform Ni-Co double-hydroxide on titanium silk surface, make this asymmetry of EIT ultracapacitor can obtain higher specific capacity, energy density and power density.Its unit length ratio capacitance under 0.5 mA can reach 10 mF/cm, energy density and power density reach 1.4 uWh/cm and 8.4 mW/cm respectively, research for flexible hydrodynamic form Asymmetric Supercapacitor will be tending towards microminiaturized, the carrier of active material is not limited only to metal material, can develop towards fiber, this can combine with textile technology, thus realizes the practical application widely of wearable electronic product.
Accompanying drawing explanation
Accompanying drawing 1 is scanning electron microscopy (SEM) image of titanium silk surface Ni-Co LDH obtained in embodiment 1;
Accompanying drawing 2 is asymmetry of EIT ultracapacitor obtained in embodiment 1, the chemical property figure recorded;
Accompanying drawing 3 is the structural representation of all solid state electrolyte Ni-Co LDH asymmetry of EIT ultracapacitor obtained in embodiment;
Accompanying drawing 4 is that asymmetry of EIT ultracapacitor linear state obtained in embodiment 1 contrasts the chemical property figure schemed and under bending condition with the material object of case of bending.
Embodiment
A kind of asymmetry of EIT ultracapacitor of the present invention preparation method, it comprises the following steps: the titanium silk bought is that in 5 ~ 15% dilute hydrochloric acid solutions, deionized water and absolute ethyl alcohol, ultrasonic process 30 ~ 60min cleans up at acetone, mass fraction by (a) respectively; B () gets the deionized water of 50ml, add 1.091 ~ 2.181g Ni(NO 3) 6H 2o and 0.892 ~ 1.784g CoCl 26H 2ultrasonic 30 ~ the 60min of O is even, the mixed solution obtained; (c) deposition Ni-Co LDH(stratiform Ni-Co double-hydroxide), its preparation uses three-electrode cell electro-deposition 30 ~ 60min under the current density of 0.1 ~ 0.3 mV/cm to obtain.D the titanium silk processed is wrapped in and a thin rod is made into spiral electrode by () after, be 7:1:2 Graphene, polyvinylidene fluoride (PVDF) and acetylene black mixture by uniform for grinding mass ratio, negative electrode made by the helical form titanium silk being coated in long 3 cm uniformly.E Ni-Co LDH-titanium silk electrode finally inserts in Graphene electrodes by (), overall parcel one deck PVA/KOH solid electrolyte, obtains asymmetry of EIT ultracapacitor.
In step (b), described Ni(NO 3) 6H 2o and CoCl 26H 2o mass ratio is respectively 1.091g: 1.784g, 2.181g: 0.892,2.181g: 1.784g.In step (c), described current density respectively 0.1mV/cm and 0.3 mV/cm electrodeposition time is respectively 30 minutes and 60 minutes; In step (d), shown in described titanium silk winding degree peace schematic diagram, the load capacity of active matter is 2.5mg, coating must be evenly, the parameter of the step (b) that should be noted that and step (c) is most important, and be not that those skilled in the art can be obtained by limited number of time experiment, they are interactional organic wholes, by the regulation and control to above-mentioned parameter, the Ni-Co double-hydroxide of high power capacity can be deposited.In step (e), PVA/KOH solid electrolyte uses 3gKOH and 6gPVA(polyvinyl alcohol, Mw=10000 ~ 100000) add 60 ml H 2at 85 DEG C, clear gum is stirred in O.
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
The present embodiment provides a kind of asymmetry of EIT ultracapacitor preparation method, and it comprises the following steps:
A the titanium silk bought is that in 5% dilute hydrochloric acid solution, deionized water and absolute ethyl alcohol, ultrasonic process 60min cleans up at acetone, mass fraction by () respectively; B () gets the deionized water of 50ml, add 2.181g Ni(NO 3) 6H 2o and 1.784g CoCl 26H 2the ultrasonic 30min of O is even, the mixed solution obtained; C () deposition Ni-Co LDH, its preparation uses three-electrode cell electro-deposition 30min under the current density of 0.1 mV/cm to obtain.D the titanium silk processed is wrapped in and a thin rod is made into spiral electrode by () after, be 7:1:2 Graphene, polyvinylidene fluoride (PVDF) and acetylene black mixture by uniform for grinding mass ratio, negative electrode made by the helical form titanium silk being coated in long 3 cm uniformly.E Ni-Co LDH-titanium silk electrode finally inserts in Graphene electrodes by (), overall parcel one deck PVA/KOH solid electrolyte, obtains asymmetry of EIT ultracapacitor, and measure its chemical property.
Embodiment 2
The present embodiment provides asymmetry of EIT ultracapacitor preparation method, and it comprises the following steps:
A the titanium silk bought is that in 5% dilute hydrochloric acid solution, deionized water and absolute ethyl alcohol, ultrasonic process 30 ~ 60min cleans up at acetone, mass fraction by () respectively; B () gets the deionized water of 50ml, add 1.091g Ni(NO3) the ultrasonic 30min of 6H2O and 1.784g CoCl26H2O is even, the mixed solution obtained; C () deposition Ni-Co LDH, its preparation uses three-electrode cell electro-deposition 50min under the current density of 0.3 mV/cm to obtain.D the titanium silk processed is wrapped in and a thin rod is made into spiral electrode by () after, be 7:1:2 Graphene, polyvinylidene fluoride (PVDF) and acetylene black mixture by uniform for grinding mass ratio, negative electrode made by the helical form titanium silk being coated in long 3 cm uniformly.E Ni-Co LDH-titanium silk electrode finally inserts in Graphene electrodes by (), overall parcel one deck PVA/KOH solid electrolyte, obtains asymmetry of EIT ultracapacitor.Embodiment 3
The present embodiment provides a kind of asymmetry of EIT ultracapacitor preparation method, and it comprises the following steps:
A the titanium silk bought is that in 5% dilute hydrochloric acid solution, deionized water and absolute ethyl alcohol, ultrasonic process 60min cleans up at acetone, mass fraction by () respectively; B () gets the deionized water of 50ml, add 2.181g Ni(NO3) the ultrasonic 30min of 6H2O and 0.892g CoCl26H2O is even, the mixed solution obtained; C () deposition Ni-Co LDH, its preparation uses three-electrode cell electro-deposition 60min under the current density of 0.1 mV/cm to obtain.D the titanium silk processed is wrapped in and a thin rod is made into spiral electrode by () after, be 7:1:2 Graphene, polyvinylidene fluoride (PVDF) and acetylene black mixture by uniform for grinding mass ratio, negative electrode made by the helical form titanium silk being coated in long 3 cm uniformly.E Ni-Co LDH-titanium silk electrode finally inserts in Graphene electrodes by (), overall parcel one deck PVA/KOH solid electrolyte, obtains asymmetry of EIT ultracapacitor.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (8)

1. a preparation method for asymmetry of EIT ultracapacitor, is characterized in that, it comprises the following steps:
A () gets the first titanium silk and the second titanium silk cleans up;
B () adds Ni(NO in deionized water 3) 6H 2o and CoCl 26H 2o, dissolves to obtain mixed solution;
C described mixed solution adds in three-electrode cell by (), and be immersed by described first titanium silk, deposits 30 ~ 60min, obtain the first titanium silk of surperficial formation stratiform Ni-Co double-hydroxide, be positive pole under the current density of 0.1 ~ 0.3 mV/cm;
D described second titanium silk is bent to helix by (), and comprise the mixture of Graphene, polyvinylidene fluoride and acetylene black in its surface-coated, is negative pole;
E described positive pole inserts in described negative pole by (), and between described positive pole and described negative pole and described negative pole outer wrapping PVA/KOH solid electrolyte, obtain asymmetry of EIT ultracapacitor.
2. the preparation method of asymmetry of EIT ultracapacitor according to claim 1, is characterized in that: in described step (c), and three-electrode cell for work electrode, is to electrode with platinum electrode, with Ag/AgCl electrode for reference electrode with described first titanium silk.
3. the preparation method of asymmetry of EIT ultracapacitor according to claim 1, it is characterized in that: in described step (a), described first titanium silk and described second titanium silk are immersed in acetone, dilute hydrochloric acid solution, deionized water and absolute ethyl alcohol respectively and carries out ultrasonic cleaning.
4. the preparation method of asymmetry of EIT ultracapacitor according to claim 3, is characterized in that: the mass concentration of described dilute hydrochloric acid solution is 5 ~ 15%.
5. the preparation method of asymmetry of EIT ultracapacitor according to claim 1, is characterized in that: described Ni(NO 3) 6H 2the concentration of O is 20 ~ 50g/L, described CoCl 26H 2the concentration of O is 19 ~ 36g/L.
6. the preparation method of asymmetry of EIT ultracapacitor according to claim 1, is characterized in that: in step (d), and in described mixture, Graphene, polyvinylidene fluoride and acetylene black mass ratio are 7 ~ 8:1:1 ~ 2.
7. the preparation method of asymmetry of EIT ultracapacitor according to claim 1, it is characterized in that: in step (e), described PVA/KOH solid electrolyte is that PVA, KOH and water are stirred to clear gum and obtained according to the ratio of 3 ~ 8g:3g:50 ~ 100ml at 60 ~ 90 DEG C.
8. a ultracapacitor, is obtained by described preparation method arbitrary in claim 1 to 7.
CN201510337041.4A 2015-06-17 2015-06-17 Preparation method for linear asymmetrical supercapacitor and supercapacitor prepared by same Pending CN104934234A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106206055A (en) * 2016-07-27 2016-12-07 河南师范大学 A kind of preparation method of stratiform cobalt zinc double-hydroxide graphene complex electrode of super capacitor
CN110189924A (en) * 2019-05-23 2019-08-30 潍坊学院 A kind of preparation method of threadiness Co-Mn double-metal hydroxide electrode material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103646790A (en) * 2013-12-23 2014-03-19 中国科学院半导体研究所 Linear flexible super-capacitor with optical detection performance and preparation method
CN103811199A (en) * 2013-11-29 2014-05-21 北京化工大学 Preparation method of all-solid-state flexible supercapacitor based on nickel aluminum hydrotalcite
CN103971940A (en) * 2014-05-14 2014-08-06 华中科技大学 Flexible super capacitor and preparing method thereof
CN104252970A (en) * 2014-10-17 2014-12-31 武汉理工大学 Co3O4-graphene @ nickel cobalt double hydroxide composite material with three-dimensional network structure, as well as preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103811199A (en) * 2013-11-29 2014-05-21 北京化工大学 Preparation method of all-solid-state flexible supercapacitor based on nickel aluminum hydrotalcite
CN103646790A (en) * 2013-12-23 2014-03-19 中国科学院半导体研究所 Linear flexible super-capacitor with optical detection performance and preparation method
CN103971940A (en) * 2014-05-14 2014-08-06 华中科技大学 Flexible super capacitor and preparing method thereof
CN104252970A (en) * 2014-10-17 2014-12-31 武汉理工大学 Co3O4-graphene @ nickel cobalt double hydroxide composite material with three-dimensional network structure, as well as preparation method and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HAO CHEN等: "Nickel–Cobalt Layered Double Hydroxide Nanosheets for High-performance Supercapacitor Electrode Materials", 《ADVANCED FUNCTIONAL MATERIALS》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106206055A (en) * 2016-07-27 2016-12-07 河南师范大学 A kind of preparation method of stratiform cobalt zinc double-hydroxide graphene complex electrode of super capacitor
CN110189924A (en) * 2019-05-23 2019-08-30 潍坊学院 A kind of preparation method of threadiness Co-Mn double-metal hydroxide electrode material
CN110189924B (en) * 2019-05-23 2022-01-07 潍坊学院 Preparation method of linear Co-Mn bimetal hydroxide electrode material

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Application publication date: 20150923