Oxygen-Bridged Organic Electrodes That Resist Electrolyte Dissolution
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Solution Overview
Problem
Existing organic electrode materials for batteries tend to dissolve in electrolytes, leading to rapid capacity fading and low energy densities, which impedes long cycling life.
Innovation Solution
A novel electrode material with a specific structure, represented by Formula A, which is insoluble in liquid electrolytes at neutral and basic pH, thereby preventing dissolution and enhancing stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If organic electrode materials are used, then cost and renewability are improved, but dissolution in electrolyte causes rapid capacity fading and low energy densities
Solution Approach 1:
The patent employs composite materials by combining organic electrode materials with conductive polymers or carbonaceous materials. This composite structure maintains the cost and renewability advantages of organic materials while the conductive polymer or carbon matrix prevents dissolution in electrolyte, thereby resolving the contradiction between ease of manufacture and reliability.
Solution Approach 2:
The patent utilizes thin film structures where organic electrode materials are deposited as thin films on conductive substrates. This thin film configuration reduces the amount of organic material needed (improving cost effectiveness) while the film structure itself prevents bulk dissolution in electrolyte, addressing the contradiction between manufacturability and cycling stability.
2Quantity of substance
If organic electrode materials are used, then abundance and safety are improved, but dissolution leads to rapid capacity fading
Solution Approach 1:
By creating composite structures where abundant organic materials are combined with stable conductive polymers or carbon materials, the patent maintains the abundance advantage while the composite matrix provides structural stability that prevents dissolution, resolving the contradiction between quantity/abundance and compositional stability.
3Ease of manufacture
If conventional organic electrode materials are used, then low cost is achieved, but rapid capacity fading occurs due to dissolution
Solution Approach 1:
The patent applies thin film technology to create durable electrode structures that maintain low cost through minimal material usage while the film architecture provides long-term structural integrity, enabling extended cycling life without sacrificing cost effectiveness.
Solution Approach 2:
The composite material approach allows use of low-cost organic materials combined with durable conductive components, achieving both affordability and extended operational duration through synergistic material combination.
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 proposed electrode material demonstrates exceptional stability and long cycling life, maintaining 70% of its initial specific capacity over 1000 cycles with consistent coulombic efficiency, significantly improving upon conventional organic battery electrodes.
Implementation Method 1
the electrode material is insoluble in liquid electrolytes at neural and basic pH
Data Source
AI summary
An electrode material having a structure of Formula Awherein R1, R2, R3, R4 and R5 are H or Formula A-1