CN106298258B - A kind of preparation method of Novel super capacitor - Google Patents
A kind of preparation method of Novel super capacitor Download PDFInfo
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- CN106298258B CN106298258B CN201511002974.4A CN201511002974A CN106298258B CN 106298258 B CN106298258 B CN 106298258B CN 201511002974 A CN201511002974 A CN 201511002974A CN 106298258 B CN106298258 B CN 106298258B
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- 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 preparation method of high performance micro super capacitor, and the technical solution adopted by the present invention is as described below.Preparation method comprises the following steps：（1）The aqueous solution for preparing nano metal particles presoma is added in the aqueous solution containing polyphosphate, under conditions of stirring, hydroboron is added and is used as reducing agent, obtained nanoporous gold and silver solid composite material after the 2h of reaction time 0.5；（2）It is used as the pole piece of ultracapacitor for nano-porous gold Ag films by multiple roll pressing, super-capacitor pole piece is then made by punching press；（3）Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, ultracapacitor is prepared by assembling in glove box.The present invention prepares nano porous metal using a kind of easy chemical reduction method, and a step can completes reaction at room temperature, and different nano porous metals is prepared.
Description
Technical field
The present invention relates to a kind of preparation method of Novel super capacitor, more particularly to a kind of high performance microsuper electricity
The preparation method of container.
Background technology
World energy sources system is in fast transition process in recent years, new energy from existing energy general layout take off grain husk and
Go out, turn into the new approaches and new model of countries in the world energy development.It is all kinds of new in field of scientific study, exploration, utilization and development
The effect of material and new technology in new energy system, guiding and promotion economic society transition, it has also become scientific and technological circle pay close attention to jointly
One of focus.In recent years, the nano porous metal of a kind of new metal Nano structure material-especially, all kinds of high-effect
In source storage and switch technology such as Proton Exchange Membrane Fuel Cells, ultracapacitor and lithium ion battery field, with all kinds of height
The electrode structure of specific surface area carbon material development has been widely studied.Because ultracapacitor has, power is high, recycles the longevity
Life length（Up to more than 100,000 times）, and with charge/discharge rates are fast, environmentally safe, use temperature range is wide and security
Can be high the features such as, the project that many countries develop ultracapacitor as primary study.
With the large-scale application of new material new technology, carbon material as CNT, graphene etc. due to its have it is high
Specific surface area, high porosity and good electric conductivity are used for double layer capacitor material；Metal oxide and hydroxide
Two-dimentional or quasi- two dimensional oxidation reduction reaction can occur and be used for fake capacitance material.With going deep into for research, nano-porous materials
It is widely used in electrode material for super capacitor, 2011, northeastern Japan university Chen Mingwei professors et al. are reported with de-
The current collector and electrode material of nano-porous gold prepared by alloy as ultracapacitor, find nano-porous gold with co-continuous knot
Structure, high inner layer sheet area and satisfactory electrical conductivity, can be with usual aqueous electrolyte and ionic liquid at room temperature electrolyte
Realize compared with high specific capacitance.The same year, professor Ding Yi of Shandong Province of China university load conducting polymer using nanoporous gold thin film, and
Flexible all-solid-state supercapacitor antetype device is assembled using solid electrolyte, whole capacitor gross thickness is micro- less than one
Rice, less than the 1% of the ultra-thin capacitor reported before, while the device also possesses very high power and energy density, Yi Jichong
Discharge stability.
Nano porous metal is prepared now mainly using de- alloy technology, but the method preparation cost is high, method is multiple
It is miscellaneous.Suitable nano-porous materials are prepared, it is necessary to using the unnecessary metallic atom of electrochemical method dissolution, can so be produced
Raw many waste materials.
The content of the invention
In order to provide a kind of preparation method of high performance micro super capacitor, the technical solution adopted by the present invention is as follows
It is described.
A kind of preparation method of Novel super capacitor, preparation method comprise the following steps：
（1）The aqueous solution for preparing nano metal particles presoma is added in the aqueous solution containing polyphosphate,
Under conditions of stirring, add hydroboron and be used as reducing agent, obtained nanoporous gold and silver solid after reaction time 0.5-2h
Composite；
（2）It is used as the pole piece of ultracapacitor for nano-porous gold Ag films by multiple roll pressing, then passes through punching press
Super-capacitor pole piece is made；
（3）Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, is prepared in glove box by assembling
Ultracapacitor.
According to the preparation method of described Novel super capacitor, described polyphosphate includes sodium polyphosphate, more
One or more in PA 800K, ammonium polyphosphate, polyphosphoric acids salinity are 2-10mmol/L.
According to the preparation method of described Novel super capacitor, described nano metal particles presoma is tetrachloro alloy
Acid and silver nitrate, nano metal particles presoma ratio are tetrachloro alloy acid：Silver nitrate is 0.1-1:1.
According to the preparation method of described Novel super capacitor, the thickness of described nano-porous gold Ag films is 10 μm
- 1mm, super-capacitor pole piece diameter dimension are 5mm-2cm, and the capacity of obtained super capacitor is 1 μ F-10F.
According to the preparation method of described Novel super capacitor, described roll-in number is 10-50 times, and punching press number is
1-10 times.
The present invention prepares nano porous metal using a kind of easy chemical reduction method, at room temperature a step can
Reaction is completed, different nano porous metals is prepared.Its advantage is will not to produce unnecessary waste, and cost is low；Product is
Solid, preparation method is simple, is easy to industrialized production to prepare.
Brief description of the drawings
Fig. 1 is nanoporous gold and silver solid composite material shape appearance figure one.
Fig. 2 is nanoporous gold and silver solid composite material shape appearance figure two.
Embodiment
The present invention provides a kind of preparation method of Novel super capacitor.The technical scheme taken is：Containing poly
The aqueous solution for preparing nano metal particles presoma is added in the phosphatic aqueous solution, under conditions of stirring, adds boron
Hydrogen compound as reducing agent, by chemistry redox method reacts the step of certain time one in aqueous, and to prepare nanometer more
Hole gold and silver solid composite material, nano-porous gold Ag films are made by multiple roll-in or punching press and are used as super capacitor pole
Piece, the both positive and negative polarity that microelectrode array is used as ultra-capacitor is formed by polarization, super capacitor is prepared by assembling in glove box
Device.
Preparation method specifically comprises the following steps：
（1）The aqueous solution for preparing nano metal particles presoma is added in the aqueous solution containing polyphosphate,
Under conditions of stirring, add hydroboron and be used as reducing agent, obtained nanoporous gold and silver solid after reaction time 0.5-2h
Composite；
（2）It is used as the pole piece of ultracapacitor for nano-porous gold Ag films by multiple roll pressing, then passes through punching press
Super-capacitor pole piece is made；
（3）Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, is prepared in glove box by assembling
Ultracapacitor.
In above-mentioned technical proposal：Described polyphosphate is mainly polyphosphate, preferably sodium polyphosphate, poly
Potassium phosphate is one or more with ammonium polyphosphate.Described metal nanoparticle precursor is preferably tetrachloro alloy acid, silver nitrate.
Described reducing agent is all kinds of hydroborons, preferably sodium borohydride（NaBH4）With potassium borohydride（KBH4）.
Embodiment one
5mmol/L tetrachloro alloy aqueous acid 10mL and 5mmol/L silver nitrate aqueous solution 10mL is taken to be added to 100mL
In 4mmol/L polyphosphoric acids sodium solution, under conditions of stirring, 5mL 1mmol/L sodium borohydride aqueous solution is added dropwise,
It is continuously stirred at room temperature 30 minutes, that is, obtains nano-porous gold silver solid composite material；Its pattern is as shown in figure.
By the standby nano-porous gold Ag films of 10 roll pressings, its thickness is 1000 μm, is used as super electricity by punching press
The pole piece of container, its a diameter of 2cm；Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, in glove box
Ultracapacitor is prepared by assembling, it is 5F to test its capacity.
Embodiment two
5mmol/L tetrachloro alloy aqueous acid 5mL and 5mmol/L silver nitrate aqueous solution 10mL is taken to be added to 100mL
In 4mmol/L polyphosphoric acids sodium solution, under conditions of stirring, 5mL 1mmol/L sodium borohydride aqueous solution is added dropwise,
It is continuously stirred at room temperature 30 minutes, that is, obtains nano-porous gold silver solid composite material；Its pattern is as shown in figure.
By the standby nano-porous gold Ag films of 25 roll pressings, its thickness is 100 μm, is used as super capacitor by punching press
The pole piece of device, its a diameter of 2cm；Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, is led in glove box
Cross assembling and prepare ultracapacitor, it is 2F to test its capacity.
Embodiment three
5mmol/L tetrachloro alloy aqueous acid 2mL and 5mmol/L silver nitrate aqueous solution 10mL is taken to be added to 100mL
In 4mmol/L polyphosphoric acids sodium solution, under conditions of stirring, 5mL 1mmol/L sodium borohydride aqueous solution is added dropwise,
It is continuously stirred at room temperature 30 minutes, that is, obtains nano-porous gold silver solid composite material；Its pattern is as shown in figure.
By the standby nano-porous gold Ag films of 10 roll pressings, its thickness is 100 μm, is used as super capacitor by punching press
The pole piece of device, its a diameter of 2cm；Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, is led in glove box
Cross assembling and prepare ultracapacitor, it is 1F to test its capacity.
Example IV
5mmol/L tetrachloro alloy aqueous acid 10mL and 5mmol/L silver nitrate aqueous solution 10mL is taken to be added to 100mL
In 4mmol/L polyphosphoric acids sodium solution, under conditions of stirring, 5mL 1mmol/L sodium borohydride aqueous solution is added dropwise,
It is continuously stirred at room temperature 30 minutes, that is, obtains nano-porous gold silver solid composite material, its pattern is as shown in Figure 2.
By the standby nano-porous gold Ag films of 50 roll pressings, its thickness is 100 μm, is used as super capacitor by punching press
The pole piece of device, its a diameter of 1cm；Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, is led in glove box
Cross assembling and prepare ultracapacitor, it is 1000 μ F to test its capacity.
Embodiment five
5mmol/L tetrachloro alloy aqueous acid 5mL and 5mmol/L silver nitrate aqueous solution 10mL is taken to be added to 100mL
In 4mmol/L polyphosphoric acids sodium solution, under conditions of stirring, 5mL 1mmol/L sodium borohydride aqueous solution is added dropwise,
It is continuously stirred at room temperature 30 minutes, that is, obtains nano-porous gold silver solid composite material；Its pattern is as shown in Figure 2.
By the standby nano-porous gold Ag films of 50 roll pressings, its thickness is 50 μm, is used as super capacitor by punching press
The pole piece of device, its a diameter of 0.5cm；Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, in glove box
Ultracapacitor is prepared by assembling, it is 100 μ F to test its capacity.
Embodiment six
5mmol/L tetrachloro alloy aqueous acid 2mL and 5mmol/L silver nitrate aqueous solution 10mL is taken to be added to 100mL
In 4mmol/L polyphosphoric acids sodium solution, under conditions of stirring, 5mL 1mmol/L sodium borohydride aqueous solution is added dropwise,
It is continuously stirred at room temperature 30 minutes, that is, obtains nano-porous gold silver solid composite material；Its pattern is as shown in Figure 2.
By the standby nano-porous gold Ag films of 50 roll pressings, its thickness is 1000 μm, is used as super electricity by punching press
The pole piece of container, its a diameter of 10mm；Both positive and negative polarity of the microelectrode array as ultra-capacitor is formed by polarization, in glove box
Ultracapacitor is prepared by assembling, it is 10 μ F to test its capacity.
Claims (4)
- A kind of 1. preparation method of Novel super capacitor, it is characterised in that：Preparation method comprises the following steps：（1）The aqueous solution for preparing nano metal particles presoma is added in the aqueous solution containing polyphosphate, is being stirred Under conditions of mixing, add hydroboron and be used as reducing agent, obtained nanoporous gold and silver solid is compound after reaction time 0.5-2h Material；（2）It is used as the pole piece of ultracapacitor for nano-porous gold Ag films by multiple roll pressing, is then made by punching press Super-capacitor pole piece；（3）Form both positive and negative polarity of the microelectrode array as ultra-capacitor by polarization, in glove box by assembling prepare it is super Capacitor；Described polyphosphate includes the one or more in sodium polyphosphate, potassium polyphosphate, ammonium polyphosphate, poly phosphorus Hydrochlorate concentration is 2-10mmol/L.
- 2. the preparation method of Novel super capacitor according to claim 1, it is characterized in that：Described nano metal particles Presoma is tetrachloro alloy acid and silver nitrate, and nano metal particles presoma ratio is tetrachloro alloy acid：Silver nitrate is 0.1-1: 1。
- 3. the preparation method of Novel super capacitor according to claim 1, it is characterized in that：Described nanoporous gold and silver The thickness of film is 10 μm of -1mm, and super-capacitor pole piece diameter dimension is 5mm-2cm, and the capacity of obtained super capacitor is 1 μF-10F。
- 4. the preparation method of Novel super capacitor according to claim 1, it is characterized in that：Described roll-in number is 10-50 times, punching press number is 1-10 times.
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| CN109887767A (en) * | 2019-04-03 | 2019-06-14 | 山东星火科学技术研究院 | A kind of micro super capacitor and preparation method thereof based on graphene |
| CN113628895B (en) * | 2021-07-06 | 2022-08-19 | 广东风华高新科技股份有限公司 | Rolling method of supercapacitor pole piece |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101195173A (en) * | 2007-09-04 | 2008-06-11 | 广西师范大学 | Method for rapidly producing electrum nanoparticle with microwave high pressure |
| CN104300112A (en) * | 2013-07-18 | 2015-01-21 | 中国科学院大连化学物理研究所 | Positive electrode for lithium sulfur battery |
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| KR101902921B1 (en) * | 2012-10-16 | 2018-10-01 | 삼성전자주식회사 | Method for preparing porous metal material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195173A (en) * | 2007-09-04 | 2008-06-11 | 广西师范大学 | Method for rapidly producing electrum nanoparticle with microwave high pressure |
| CN104300112A (en) * | 2013-07-18 | 2015-01-21 | 中国科学院大连化学物理研究所 | Positive electrode for lithium sulfur battery |
Non-Patent Citations (1)
| Title |
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| "A new route for synthesis of silver:gold alloy nanoparticles loaded within phosphatidylcholine liposome structure as an effective antibacterial agent against pseudomonas aeruginosa";Amir H. Salehi等;《Journal of Liposome Research》;20140624;第25卷;全文 * |
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Address after: 277800 No. x6699, Guangming Road, high tech Zone, Zaozhuang City, Shandong Province (north of the junction of Guangming Road and Huaxin Road) Patentee after: Shandong Jinggong Electronic Technology Co.,Ltd. Address before: 277000 Haite Electronics Group, Fuyuan 5th Road, Thailand Industrial Park, High tech Zone, Zaozhuang City, Shandong Province Patentee before: Shandong Seiko Electronic Technology Co.,Ltd. |