Conductive Polymer Doped With Fluorinated Graphene
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Solution Overview
Problem
Conductive polymer materials exhibit poor cycling stability, which affects their performance in applications such as solar cells, organic electroluminescent devices, and lithium ion batteries.
Innovation Solution
A conductive polymer material doped with fluorinated graphene, prepared through electrochemical polymerization using a surfactant-containing solution, significantly improves cycling stability and conductivity by forming a reticulated structure with the polymer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional conductive polymer materials are used, then good conductivity and simple preparation process are achieved, but poor cycling stability and practical instability occur
Solution Approach 1:
The patent creates a composite material by doping fluorinated graphene into conductive polymers (polythiophene, polypyrrole, or polyaniline). This composite structure combines the high conductivity of conventional conductive polymers with the exceptional cycling stability of fluorinated graphene, resolving the contradiction between reliability and material complexity. The fluorinated graphene forms a stable skeleton that prevents polymer degradation while maintaining electrical conductivity.
Solution Approach 2:
The patent modifies the physical and chemical parameters of the conductive polymer system by introducing fluorinated graphene at specific mass ratios (1:0.05-1). This parameter change transforms the material from a simple polymer to a composite system with enhanced stability. The doping process alters the structural parameters, creating a reticulated framework that improves cycling stability without sacrificing conductivity.
2Reliability
If fluorinated graphene is doped into conductive polymer, then cycling stability is significantly improved, but material composition complexity increases
Solution Approach 1:
The patent applies local quality by strategically distributing fluorinated graphene within the conductive polymer matrix at optimized mass ratios (1:0.05-1). Rather than uniformly mixing materials, the fluorinated graphene forms localized stable regions that act as structural support points. This localized approach provides cycling stability while minimizing the overall complexity increase, as only specific portions of the material structure require the composite design.
Solution Approach 2:
The patent controls the complexity by precisely defining the mass ratio parameter of fluorinated graphene (1:0.05-1) and the fluorine content (5-50 wt%). These parameter specifications transform the complex composite material into a controllable system with defined properties. By establishing specific parameter ranges, the patent makes the composite material structure manageable and reproducible despite the increased complexity.
3Ease of manufacture
If electrochemical polymerization method is used, then simple operation and low cost are achieved, but preparation complexity may increase
Solution Approach 1:
The electrochemical polymerization method allows the system to self-organize and self-assemble the conductive polymer around the fluorinated graphene skeleton. The polymerization process automatically occurs when electrical current is applied to the monomer-containing solution with fluorinated graphene present, eliminating the need for complex catalyst systems or multi-step synthesis procedures. This self-service characteristic maintains ease of manufacture while achieving the desired composite structure.
Solution Approach 2:
The patent replaces complex mechanical mixing and processing methods with electrochemical polymerization. Instead of mechanically combining polymer and graphene components through mixing, extrusion, or other mechanical processes, the invention uses electrical current to drive in-situ polymerization. This substitution simplifies the preparation process by eliminating mechanical complexity while maintaining ease of manufacture through straightforward electrochemical cell operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The doping of fluorinated graphene enhances the cycling stability and capacity performance of the conductive polymer material, making it suitable for industrial production with simple operation and low costs, while maintaining excellent conductivity.
Implementation Method 1
adding an organic monomer into the first solution so that the mass ratio of the organic monomer and the fluorinated graphene may be 1:0.05-1, adding an electrolyte, placing a working electrode and a counter electrode, and electrifying to conduct an electrochemical polymerization to obtain the conductive polymer material
Implementation Method 2
A conductive polymer material comprises a conductive polymer and a fluorinated graphene doped therein
Data Source
AI summary
A conductive polymer material and preparing method and uses thereof are provided. The conductive polymer material comprises conductive polymer and fluorinated graphene doping thereof. The weight ratio of the conductive polymer to the fluorinated graphene is 1:0.05-1. The conductive polymer is one of polythiophene or its derivatives, polypyrrole or its derivatives, and polyaniline or its derivatives. The cycle stability of the conductive polymer material is greatly enhanced for doping of the fluorinated graphene, and the conductive polymer contributes to the good capacitance properties. The preparing method can be operated simply with cheaper cost and lower request for equipments, and is suitable for industrial production.