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Porous nanostructured poly (5-cyano indole) membrane electrode of super capacitor

A technology of supercapacitor and cyanoindole, which is applied in the field of electrode materials and its preparation, can solve problems such as insufficient charge and discharge stability, and achieve the effects of good charge and discharge stability, high specific power value, and high specific capacitance value

Inactive Publication Date: 2014-03-19
JIANGXI SCI & TECH NORMAL UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Although conventional conductive polymers have large specific capacitance, they have insufficient charge-discharge stability

Method used

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  • Porous nanostructured poly (5-cyano indole) membrane electrode of super capacitor
  • Porous nanostructured poly (5-cyano indole) membrane electrode of super capacitor
  • Porous nanostructured poly (5-cyano indole) membrane electrode of super capacitor

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Embodiment Construction

[0014] A method for preparing a poly(5-cyanindole) membrane electrode of a porous nanostructure of a supercapacitor, comprising the following steps:

[0015] 1. Electrochemical solution preparation

[0016] Dissolve 30 mmol / L of 5-cyanoindole in acetonitrile and 50% boron trifluoride ether mixed solution, then add 0.1 mol / L lithium perchlorate as supporting electrolyte to the above mixed solution, the prepared solution is an electrochemical solution;

[0017] 2. Electrodeposition of porous nanostructured poly(5-cyanindole)

[0018] Put the prepared 30 mmol / L 5-cyanindole solution into an electrochemical reaction device equipped with carbon matrix material as the working electrode, platinum as the counter electrode, and Ag / AgCl as the reference electrode, and pass through the solution to Inject nitrogen gas for 10 minutes to remove dissolved oxygen in the solution. Using a constant potential method, the control potential is 1.4 V, and the polymerization power is controlled at...

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Abstract

The invention discloses a porous nanostructured poly (5-cyano indole) membrane electrode of a super capacitor. The electrode comprises a layer of matrix material and a layer of conducting polymer. The matrix material is any one of copper, iron, nickel and a carbon material. The matrix material is provided with a porous nanostructured poly (5-cyano indole) membrane conduction polymer layer. A preparation method comprises electrochemical solution preparation and porous nanostructured poly (5-cyano indole) membrane electro-deposition. By using the porous nanostructured poly (5-cyano indole) membrane electrode of the super capacitor, the porous nanostructured conductive poly (5-cyano indole) is used as a super capacitor electrode; good charging and discharging stability, a high specific capacitance value, high specific power and a high specific energy value are possessed.

Description

technical field [0001] The invention belongs to an electrode material in a supercapacitor and a preparation method thereof, in particular to a poly(5-cyanindole) film electrode of a porous nanostructure of a supercapacitor. Background technique [0002] Supercapacitors are a new type of energy storage device with the characteristics of high power, instantaneous high current charge and discharge, long service life and energy saving. Supercapacitors can provide ultra-high current power, which can be used for vehicle starting power, vehicle traction energy and pulse energy for laser weapons. In my country's "Tenth Five-Year Plan" 863 electric vehicle special project, supercapacitors have been listed as a special topic for research, which fully demonstrates that supercapacitors have broad application prospects and contain huge economic benefits. [0003] Electrode materials are the core components of supercapacitors, which are mainly divided into three types: carbon-based mater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/48H01G11/24H01G11/86
CPCY02E60/13
Inventor 徐景坤周卫强蒋丰兴卢宝阳祝丹华
Owner JIANGXI SCI & TECH NORMAL UNIV
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