Polyacetylene Electrodes for Lower-Cost Double-Layer Capacitors
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Solution Overview
Problem
The widespread use of supercapacitors is limited due to the expense and complexity of manufacturing, which hinders their adoption in various applications despite their potential for high power and long cycles.
Innovation Solution
The development of electrochemical double-layer capacitors using relatively inexpensive and readily available conductive materials such as polyacetylene-containing polymers, which are used as electrodes in conjunction with a separator and electrolyte to store energy through charge separation in an electric field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional supercapacitor materials and manufacturing procedures are used, then energy storage performance is achieved, but manufacturing cost increases and manufacturing complexity increases
Solution Approach 1:
The patent replaces expensive traditional supercapacitor materials with inexpensive polyacetylene-containing polymers that can be readily obtained from commercial sources. This substitution directly addresses the manufacturing cost issue while maintaining the energy storage function through the polymer's electrochemical properties
Solution Approach 2:
The patent changes the material composition parameter by using polyacetylene-containing polymers instead of conventional materials, and modifies the manufacturing approach by utilizing commercially available polymers rather than synthesizing specialized materials, thereby reducing both cost and complexity
2Reliability
If traditional supercapacitor materials and manufacturing procedures are used, then energy storage performance is achieved, but manufacturing complexity increases
Solution Approach 1:
The patent replaces complex specialized materials with simple, commercially available polyacetylene-containing polymers, thereby simplifying the manufacturing process while maintaining energy storage functionality
Solution Approach 2:
The patent utilizes polymers that are already commercially available for other purposes, giving them a new energy storage application. This multi-functionality approach simplifies manufacturing by eliminating the need for specialized material synthesis and handling procedures
3Ease of manufacture
If polyacetylene-containing polymers are used, then manufacturing cost decreases and manufacturing complexity decreases, but energy storage performance must be maintained
Solution Approach 1:
The patent changes the material parameter to polyacetylene-containing polymers and optimizes the device configuration to achieve high specific energy density and capacitance, thereby maintaining energy storage performance while reducing cost
Solution Approach 2:
The patent employs composite electrode structures incorporating polyacetylene-containing polymers with appropriate separators and electrolytes, creating a composite system that achieves high performance through the synergistic combination of components
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
This approach enables the creation of energy storage devices with high specific energy density and capacitance, surpassing the limitations of traditional batteries by utilizing polyacetylene polymers in a cost-effective and simplified manufacturing process, facilitating their use in diverse applications.
Implementation Method 1
Supercapacitors, or electrochemical double-layer capacitors, have been shown to achieve higher power and longer cycles than other energy storage devices including batteries
Implementation Method 2
store energy through charge separation in an electric field
Implementation Method 3
a reaction in which an electron is transferred between the two states is used as a positive electrode reaction
Implementation Method 4
relatively inexpensive and readily available conductive materials such as polyacetylene-containing polymers
Data Source
Figure 1A~2
Figure 3~4
Figure 5
AI summary
Embodiments described herein relate to compositions, devices, and methods for storage of energy (e.g., electrical energy) involving polyacetylene-containing polymers.