Integrated super capacitor electrode material preparation method and applications thereof

A technology of supercapacitor and electrode materials, which is applied in the direction of hybrid capacitor electrodes, etc., can solve the problems of insufficient electrochemical performance of materials, cumbersome preparation process, long reaction time, etc., and achieve excellent supercapacitor performance, good process repeatability, and product The effect of stable quality

Active Publication Date: 2016-08-03
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the methods reported in the literature are two-step reactions. The first step is to prepare cobalt-nickel oxyhydroxides, and then carry out ion exchange, and Na2S, S, H2S, thiourea and other reactions to get NiCo2S4 (such as the literature RSCAdv., 2014, 4, 6998; Nanoscale, 2013, 5, 8879; Chem.Commun., 2013, 49, 10178; Nanoscale, 2014, 6, 9824, etc.), the disadvantage of the two-step method is that the process is complicated and the reaction The time is longer, which not only increases the production cost, but also is not conducive to the expansion of scale production
Another problem that currently exists is that most of the l

Method used

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  • Integrated super capacitor electrode material preparation method and applications thereof
  • Integrated super capacitor electrode material preparation method and applications thereof
  • Integrated super capacitor electrode material preparation method and applications thereof

Examples

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Effect test

Embodiment 1

[0028] First, 0.02mol / L of Co(NO 3 ) 2 ·6H 2 O, 0.01mol / L Ni(NO 3 ) 2 ·6H 2 O and 0.10mol / L dithioacetamide were dissolved in water, stirred and mixed evenly; then transferred to the autoclave, and at the same time put the pre-treated electrode carrier: carbon paper in the autoclave; sealed the autoclave and placed at 100 o C was reacted for 10 hours; the electrode carrier was taken out and washed and dried to obtain the loaded NiCo with carbon paper as the electrode carrier. 2 S 4 Active materials for monolithic supercapacitor electrode materials.

Embodiment 2

[0030] First, 0.04mol / L of CoCl 2 ·6H 2 O, 0.02mol / L NiCl 2 ·6H 2 O and 0.24mol / L of thiourea were dissolved in methanol, stirred and mixed evenly; then transferred to the autoclave, and put the pre-treated electrode carrier in the autoclave at the same time: nickel foam; place the autoclave at 120 o C reaction 6h; take out the electrode carrier and wash and dry, namely obtain the NiCo loaded with nickel foam as the electrode carrier 2 S 4 Active materials for monolithic supercapacitor electrode materials.

Embodiment 3

[0032] First, 0.05mol / L of Co(NO 3 ) 2 ·6H 2 O, 0.025mol / L Ni(NO 3 ) 2 ·6H 2 O and 0.3mol / L of thioacetamide were dissolved in methanol, stirred and mixed evenly; then transferred to the autoclave, and at the same time put the pre-treated electrode carrier: carbon paper in the autoclave; sealed the autoclave and placed at 120 o C was reacted for 5h; the electrode carrier was taken out and washed and dried to obtain the loaded NiCo with carbon paper as the electrode carrier 2 S 4 Active materials for monolithic supercapacitor electrode materials.

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Abstract

The invention discloses an integrated super capacitor electrode material preparation method and applications thereof. The preparation method comprises the following steps: cobalt salt, nickel salts, and sulfonium salt are dissolved in a solvent and are uniformly stirred and mixed; the above solution is transferred to a high pressure reaction kettle, and an electrode carrier is put in the kettle; the high pressure reaction kettle is sealed and then placed at a temperature of 100 to 160 DEG C for reaction for 2 to 12 h; and the electrode carrier is washed and dried to obtain the integrated super capacitor electrode material. The invention also provides applications of the above integrated super capacitor electrode material in manufacturing of the super capacitor. Raw materials of the preparation method of the invention are cheap and easy to obtain, the synthesis technology is simple and easy to realize, the product quality is stable, the technology repetition performance is good, and the electrode preparation material has excellent super capacitance performance.

Description

technical field [0001] The invention relates to the synthesis of inorganic materials and the application of supercapacitor properties, in particular to a preparation method and application of an integral supercapacitor electrode material. Background technique [0002] Supercapacitors, also known as electrochemical capacitors, have the advantages of large power density, excellent rate performance, fast charge and discharge rates, and long cycle life, which have attracted extensive research in industry and academia. [0003] Electrode materials play a crucial role in the performance of supercapacitors. Commonly used active materials for electrode materials include: porous carbon materials, transition metal oxide and hydroxide materials, conductive polymers, metal halides, etc. Among them, transition metal oxide materials have greater supercapacitive performance because of their variable metal valence states, which are more conducive to redox reactions in working conditions. ...

Claims

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Application Information

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IPC IPC(8): H01G11/30
CPCY02E60/13
Inventor 铁津津程高彭少敏邓芳泽林婷孙明余林成晓玲
Owner GUANGDONG UNIV OF TECH
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