Conductive Composite Electrolyte for High-Voltage Capacitors
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Solution Overview
Problem
Conductive conjugated polymers used in electrolytic capacitors have lower withstanding voltage and permeability compared to liquid-state electrolytes, limiting their performance in terms of capacitance and reliability.
Innovation Solution
A conductive composite comprising a conductive conjugated polymer and a mixture of boron oxide, sulfur-containing compounds, and nitrogen-containing compounds is used as the electrolyte, enhancing capacitance, withstanding voltage, and thermal stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conductive conjugated polymer is used as the electrolyte, then the conductivity and stability are improved, but the withstanding voltage and permeability are reduced
Solution Approach 1:
The patent applies composite materials by combining conductive conjugated polymer with boron oxide and sulfur-containing or nitrogen-containing compounds. This composite electrolyte structure allows the material to simultaneously achieve high conductivity and stability from the polymer while gaining enhanced withstanding voltage and permeability properties from the inorganic compounds, thereby resolving the technical contradiction between reliability improvement and withstanding voltage reduction.
2Reliability
If a conductive conjugated polymer is used as the electrolyte, then the conductivity is improved, but the permeability in micro-hole of dielectric layer is reduced
Solution Approach 1:
The composite electrolyte combines conductive conjugated polymer with boron oxide and sulfur-containing or nitrogen-containing compounds to achieve both high conductivity and permeability. The inorganic compounds in the composite structure provide pathways for ion transport through the dielectric layer's micro-holes while maintaining the electrical conductivity provided by the polymer matrix.
3Stability of the object's composition
If a conductive conjugated polymer is used as the electrolyte, then the stability is improved, but the capacitance is reduced
Solution Approach 1:
The composite electrolyte structure combines the stability advantages of conductive conjugated polymer with the capacitance-enhancing properties of boron oxide and sulfur-containing or nitrogen-containing compounds. The composite material achieves both high stability and sufficient capacitance by leveraging the complementary properties of its constituent materials.
Data Source
AI summary
A conductive composite is provided, which includes a conductive conjugated polymer and a mixture. The mixture includes (a) boron oxide, and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof. A capacitor is also provided, which includes an anode electrode, a dielectric layer on the anode electrode, a cathode electrode, and an electrolyte between the dielectric layer and the cathode electrode, wherein the electrolyte includes the described conductive composite.