Dialkoxybenzene Polymers for High Voltage Secondary Batteries
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Solution Overview
Problem
Existing polymers used in secondary batteries with dialkoxybenzene structures offer higher cell voltages but suffer from low discharge capacities and complex synthesis processes, limiting their practical application.
Innovation Solution
Development of polymers with specific repeating units and chemical structures that enhance cell voltage and capacity while simplifying synthesis, featuring a more compact structure and easier production methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If dialkoxybenzene-containing polymers are used as electrode materials, then cell voltage increases, but discharge capacity decreases
Solution Approach 1:
The patent modifies the chemical structure of dialkoxybenzene units by changing the position of alkoxy groups and substituent patterns (para-, meta-, ortho-positions) to optimize both voltage and capacity. Specific structural parameters like the arrangement of R1-R6 groups are systematically varied to achieve the desired balance between electrochemical potential and charge storage capability.
2Power
If complex polymer structures are designed to improve performance, then cell voltage and capacity increase, but synthesis complexity increases
Solution Approach 1:
The patent divides the polymer structure into repeating units with specific functional groups (dialkoxybenzene units with defined substitution patterns). By standardizing these modular segments, the synthesis becomes more manageable while maintaining high performance characteristics.
Solution Approach 2:
The patent creates composite polymer structures combining dialkoxybenzene units with specific side chains and cross-linking patterns. These composite structures achieve superior electrochemical properties while using well-established polymerization methods for each component.
3Quantity of substance
If advanced polymer structures are developed to increase capacity, then discharge capacity improves, but manufacturing ease decreases
Solution Approach 1:
The patent optimizes molecular weight, degree of polymerization, and cross-linking density to achieve high capacity while maintaining processability. Specific parameters like the ratio of functional groups and chain length are tuned to balance performance and manufacturability.
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 new polymers achieve higher cell voltage and capacity with simplified synthesis, resulting in more efficient and cost-effective secondary batteries.
Implementation Method 1
Organic batteries are electrochemical cells that use an organic charge storage material as the electrode active material to store electrical charge
Data Source
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AI summary
The invention relates to polymers and to the use of same, in the form of active electrode material or in an electrode slurry, as an electrical charge store, wherein the electrical charge stores are particularly secondary batteries. These secondary batteries are characterised, in particular, by high cell voltages and by simple and scalable processing and production methods (for example by screen printing).