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moo 3 /p6ica composite electrode material and its preparation method and supercapacitor

A supercapacitor and composite electrode technology, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, etc., can solve the problems of electrochromism, poor stability of conductive polymers, poor capacitance performance and electrochemical stability, etc. Achieve strong adhesion, improve stability, and improve electrochemical performance

Active Publication Date: 2022-01-07
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of poor stability, electrochemical, electrochromic, capacitive performance and electrochemical stability of conductive polymers in the prior art, the present invention provides MoO 3 / P6ICA composite electrode material preparation method

Method used

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  • moo <sub>3</sub> /p6ica composite electrode material and its preparation method and supercapacitor
  • moo <sub>3</sub> /p6ica composite electrode material and its preparation method and supercapacitor
  • moo <sub>3</sub> /p6ica composite electrode material and its preparation method and supercapacitor

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Example 1MoO 3 Preparation of / P6ICA composite electrode material

[0031] Preparation of MoO by Electrodeposition 3 Base:

[0032] Cut the FTO conductive glass into a size of 0.7cm×5cm with a glass knife, clean it with ethanol, acetone, and ultrapure water for 10 minutes, and then use a multimeter to measure the FTO conductive surface; weigh 0.088g of ammonium molybdate tetrahydrate [(NH 4 )Mo 7 o 24 4H 2 O] dissolved in 5ml of water, ultrasonic 5min until completely dissolved, as the electrochemical polymerization solution 1.

[0033] A one-chamber three-electrode system was used for deposition. First, sand the Ag with a diameter of 0.5mm until it is smooth, burn the Pt wire with a diameter of 0.3mm to red with an open flame, then connect the Ag wire to the working electrode and the Pt wire to the reference electrode; 6mol L -1 In the hydrochloric acid solution, the electrolysis process occurs under the condition of a constant potential of 1.5V and 100s. When ...

Embodiment 2

[0036] Example 2MoO 3 Electrochemical performance characterization of / P6ICA composite electrode material

[0037] Now to the MoO that embodiment 1 prepares 3 / P6ICA composite electrode material for the following various electrochemical characterizations, first, select the electrolyte required for the characterization of the composite material, MoO 3 / P6ICA composite electrode material composite materials containing electrolyte 0.1mol L -1 Tetrabutylammonium boron tetrafluoride (TBATFB) in acetonitrile organic solution, in 0.1mol L -1 Alkaline solution of NaOH, in 0.1mol L -1 h 2 SO 4 Acidic solution, in 0.1mol L -1 Na 2 SO 4 Electrochemical cyclic voltammetry, impedance test and other charge and discharge tests in neutral solution all fall off and dissolve; the final proof is 0.095mol L -1 Na 2 SO 4 +0.005mol L - 1 h 2 SO 4 The test in the solution can always adhere to the electrode without falling off, which is conducive to the stability of electrochemical per...

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Abstract

The invention belongs to the technical field of supercapacitors and discloses MoO 3 / P6ICA composite electrode material and its preparation method and supercapacitor. The MoO 3 / P6ICA composite electrode material is molybdenum oxide (MoO 3 ) as a substrate, electropolymerized poly-6-carboxyindole (P6ICA), and formed MoO 3 / P6ICA composite electrode material. The MoO 3 The / P6ICA composite electrode material has good stability, and has good electrochemical, electrochromic, capacitive properties and electrochemical stability.

Description

technical field [0001] The invention relates to the technical field of supercapacitors, in particular to MoO 3 / P6ICA composite electrode material and its preparation method and supercapacitor. Background technique [0002] At present, the problem of energy shortage in the world is becoming more and more serious, and the development of renewable energy and efficient green energy utilization is indispensable. Therefore, in recent years, how to conduct research on the rational and effective use of energy has become a hot spot. As an important energy storage technology, supercapacitors have been favored by more and more researchers because of their fast charge / discharge rate, high power density, large specific capacity and good cycle stability. At the same time, in the current research, the electrochromic smart window is also a way to effectively use energy. This kind of smart window can adjust the incident of external light through electrochromism, thereby reducing the coolin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/24H01G11/30H01G11/46H01G11/48H01G11/86
CPCH01G11/24H01G11/30H01G11/46H01G11/48H01G11/86Y02E60/13
Inventor 聂广明李志远郭庆福赵小倩
Owner QINGDAO UNIV OF SCI & TECH
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