Polymer Electrolyte Membrane Sulfone Brancher Stability
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Solution Overview
Problem
Current polymer materials for electrolyte membranes in batteries lack optimal mechanical and chemical resistance, particularly under high humidity conditions, and ion conductivity.
Innovation Solution
A novel polymer incorporating a brancher with a sulfone or sulfonyl linking group, formed by reacting 1,3,5-triphenylbenzene and dihalogen-based phenyl, which enhances chemical stability and mechanical properties, and is used to manufacture an electrolyte membrane with improved ion conductivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional polymer materials are used for electrolyte membranes, then basic membrane function is achieved, but mechanical strength and chemical resistance are insufficient particularly under high humidity conditions
Solution Approach 1:
The patent employs composite materials by combining fluorinated polymer chains with sulfone groups and aromatic ring structures to create a multi-component polymer system. This composite structure integrates the chemical stability of fluorinated groups with the mechanical strength of sulfone-containing aromatic structures, achieving both improved chemical resistance and mechanical properties simultaneously
Solution Approach 2:
The patent applies local quality by introducing specific functional groups (sulfone groups, fluorinated chains) at particular positions within the polymer structure. The sulfone groups are positioned to provide localized mechanical reinforcement, while fluorinated segments are placed to enhance chemical resistance, creating regions with specialized properties within the overall polymer matrix
2Reliability
If conventional polymer materials are used for electrolyte membranes, then basic ion conductivity is achieved, but ion conductivity is insufficient under high humidity conditions
Solution Approach 1:
The patent changes the chemical parameters of the polymer by incorporating fluorinated groups and sulfone structures, which modify the polymer's interaction with water and ions. These parameter changes enable the membrane to maintain stable ion conductivity across varying humidity conditions by adjusting the hydrophilicity and ion transport pathways through chemical composition modification
Solution Approach 2:
The patent converts the harmful effect of high humidity into a benefit by designing the polymer structure to utilize water molecules for enhancing ion transport. The fluorinated and sulfone-containing structure selectively interacts with water to create favorable conditions for ion conduction while maintaining structural integrity, turning humidity from a destabilizing factor into a performance-enhancing condition
3Reliability
If novel monomers and branchers are developed to improve polymer properties, then polymer performance is enhanced, but manufacturing complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the complex polymer structure into distinct modular units: fluorinated monomer segments, sulfone-containing bridge segments, and aromatic ring segments. Each segment can be synthesized separately using established methods, then assembled through controlled polymerization, reducing overall manufacturing complexity while achieving high performance
Solution Approach 2:
The patent achieves universality by designing monomers and branchers with multiple functional capabilities. The sulfone-containing aromatic structures simultaneously provide mechanical strength, chemical resistance, and ion transport pathways. The fluorinated groups concurrently offer chemical stability and hydrophobic properties, allowing single components to fulfill multiple performance requirements
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 polymer exhibits excellent mechanical and chemical resistance, maintaining high ion conductivity even under high humidity, thereby enhancing the performance and durability of batteries using the electrolyte membrane.
Implementation Method 1
A polymer including a brancher and a repeating unit
Data Source
AI summary
The present application relates to a polymer, a method for manufacturing the same, and an electrolyte membrane including the same.