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Titanyl oxide cluster monomer containing thiophene-3-formic acid and preparation and application thereof

A technology of titanium oxide clusters and monomers, which is applied in the application field of preparing titanium-containing conjugated polymer materials, and can solve problems such as the decline in electron conduction efficiency and electrochemical cycle stability

Active Publication Date: 2019-10-15
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Combining titanium oxide clusters with conductive polymers can improve the material's electrical storage capacity, but due to the large number of heterogeneous interfaces between the components of the composite material, its electron conduction efficiency and electrochemical cycle stability are significantly reduced.

Method used

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  • Titanyl oxide cluster monomer containing thiophene-3-formic acid and preparation and application thereof
  • Titanyl oxide cluster monomer containing thiophene-3-formic acid and preparation and application thereof
  • Titanyl oxide cluster monomer containing thiophene-3-formic acid and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Add 1mL (3.21mmol) isopropyl titanate, 0.129g (1.01mmol) thiophene-3-carboxylic acid, 0.176g (0.54mmol) cobalt bromide, 6mL (115.46mmol) anhydrous acetonitrile into a 25mL glass bottle, seal and mix , placed in an oven at 80°C to react for 72 hours, after the reaction was completed, the power was turned off and the temperature was naturally cooled to room temperature, then left to crystallize, and the crystals were dried at 60°C to obtain 0.288g of titanyl cluster monomer C containing thiophene-3-carboxylic acid 40 h 76 o 16 S 2 Ti 4 . crystal photo see figure 1 As shown, the crystal was analyzed by X-ray single crystal diffraction ( image 3 ) to determine its molecular structure and crystal structure, and determine the unit cell parameters obtained by the experiment as: ( The crystal form is orthorhombic, and the crystal space group is P 21 21 21).

Embodiment 2

[0022] Add 1mL (3.21mmol) isopropyl titanate, 0.211g (1.65mmol) thiophene-3-carboxylic acid, 0.176g (0.54mmol) cobalt bromide, 6mL (115.46mmol) anhydrous acetonitrile into a 25mL glass bottle, seal and mix , placed in an oven at 80°C to react for 72 hours, after the reaction was completed, the power was turned off and the temperature was naturally cooled to room temperature, then left to crystallize, and the crystals were dried at 60°C to obtain 0.302g of titanyl cluster monomer C containing thiophene-3-carboxylic acid 40 h 76 o 16 S 2 Ti 4 , adopt embodiment 1 method to identify.

Embodiment 3

[0024] Add 1mL (3.21mmol) isopropyl titanate, 0.083g (0.65mmol) thiophene-3-carboxylic acid, 0.176g (0.54mmol) cobalt bromide, 6mL (115.46mmol) anhydrous acetonitrile into a 25mL glass bottle, seal and mix , placed in an oven at 80°C to react for 72 hours, after the reaction was completed, the power was turned off and the temperature was naturally cooled to room temperature, then left to crystallize, and the crystals were dried at 60°C to obtain 0.281g of titanyl cluster monomer C containing thiophene-3-carboxylic acid 40 h 76 o 16 S 2 Ti 4 , adopt embodiment 1 method to identify.

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Abstract

The invention discloses a titanyl cluster monomer containing thiophene-3-formic acid and a preparation method and application thereof in preparing an energy storage material, wherein the energy storage material is a conjugated polymer material prepared by copolymerizing the titanyl cluster monomer containing the thiophene-3-formic acid and a conjugated polymer monomer. The titanyl cluster monomerC40H76O16S2Ti4 containing the thiophene-3-formic acid prepared by the method can be copolymerized with common conjugated polymers to obtain a series of titanium-containing conjugated polymer materialswith excellent electrochemical performance, the mass specific capacitance performance of the new materials is improved by more than 15% compared with the of pure organic polymer materials, and the specific capacitance of the materials is more than 70F / g at the lowest.

Description

technical field [0001] The present invention relates to a kind of conjugated polymer material, relate in particular to a kind of novel titanyl cluster monomer containing thiophene-3-formic acid (C 40 h 76 o 16 S 2 Ti 4 ) and its preparation method and the application of preparing titanium-containing conjugated polymer materials. Background technique [0002] Titanium oxygen clusters are a kind of metal oxygen clusters, whose basic skeleton is a cage-like molecular cluster constructed of multiple titanium atoms connected to each other through oxygen bridge bonds. Titanium materials have a wide range of applications in the fields of light, electricity, and catalysis. Conductive polymers such as polyaniline, polypyrrole, polythiophene, and poly3,4-ethylenedioxythiophene have good electrical conductivity, excellent flexibility and plasticity, high theoretical specific capacity and low cost, and are ideal for building storage A new type of electrode material. [0003] Comb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F7/28C08G61/12
CPCC07F7/003C07F7/28C08G61/126C08G2261/18C08G2261/3222
Inventor 吕耀康杨星马培华包焕康
Owner ZHEJIANG UNIV OF TECH