Conductive Diamond Electrode with Textured Substrate for Ozone Generation
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Solution Overview
Problem
Existing ozone generators using lead dioxide anodes face issues with high equipment costs, complexity, and lead toxicity, while conductive diamond anodes offer higher efficiency but require expensive substrate materials and complex processing for stable operation in zero-gap electrolysis.
Innovation Solution
A conductive diamond electrode with a substrate having convex and concave parts, a diamond film, and through holes, designed for efficient water supply and gas liberation, reducing manufacturing costs and maintaining mechanical strength for long-term stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If lead dioxide anode is used for electrolytic ozone generation, then high current efficiency is achieved, but the anode is susceptible to reduction and deterioration in reducing environment
Solution Approach 1:
The invention changes the material parameter of the anode from lead dioxide to conductive diamond, fundamentally altering the electrochemical properties to achieve both high current efficiency and stability in reducing environments during electrolytic ozone generation
Solution Approach 2:
The invention uses a composite structure combining conductive diamond material with porous substrate, creating a material that exhibits both high electrical conductivity and exceptional chemical stability, resolving the contradiction between productivity and reliability
2Reliability
If protective current mechanism is added to prevent lead dioxide deterioration, then anode stability is improved, but equipment complexity and cost increase
Solution Approach 1:
The conductive diamond anode inherently resists reduction and deterioration in reducing environments without requiring external protective current mechanisms, making the system self-protecting and eliminating complex control systems
Solution Approach 2:
The invention removes the protective current mechanism from the system entirely, as the conductive diamond anode does not require such protection, thereby simplifying the equipment while maintaining reliability
3Reliability
If lead is used in anode material, then good electrical conductivity is achieved, but toxicity and environmental concerns arise
Solution Approach 1:
The invention replaces toxic lead-based materials with conductive diamond, eliminating lead contamination risks while maintaining electrical conductivity and improving environmental safety
Solution Approach 2:
The invention changes the material composition parameter from lead-containing compounds to carbon-based conductive diamond, fundamentally eliminating toxicity while preserving electrical conductivity
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 solution enables a cost-effective, mechanically strong conductive diamond electrode for stable zero-gap electrolysis, ensuring high current efficiency and prolonged ozone generation without the need for protective current mechanisms, addressing the limitations of lead dioxide anodes.
Implementation Method 1
The electrolysis process generates ozone in the generated anodic gas through electrolysis of water
Implementation Method 2
generates ozone through excitation by electric discharge
Implementation Method 3
a substrate having a plurality of convex and concave parts over its entire surface
Data Source
AI summary
The present invention relates to a conductive diamond electrode, comprising a substrate having a plurality of convex and concave part disposed over the entire surface of the conductive diamond electrode, and a diamond film coated on the surface of said substrate, wherein the width of each convex part of said convex and concave part is in a range from 0.2 mm to 1 mm. The present invention can provide a conductive diamond electrode, applying a thin film of conductive diamond and a thick substrate, being less expensive than a self-supported type conductive diamond electrode and also having mechanical strength enough to be used in the zero-gap electrolysis, functioning stably for a long time with smooth water supply or gas liberation, and an ozone generator using the conductive diamond electrode.