Composite Catalyst Surface Structures via Electrolytic Deposition
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Solution Overview
Problem
The high cost and scarcity of precious metals like platinum and palladium have limited their widespread use as catalysts, necessitating the development of alternative materials that enhance catalytic performance while reducing reliance on these metals.
Innovation Solution
An array is created with surface structures coated or formed from a first material, onto which a second material is deposited, forming a composite through an electrolytic reaction induced by a sufficient current density, resulting in a modified electronic structure that enhances catalytic activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If precious metals such as platinum and palladium are used as catalysts, then catalytic performance is improved, but cost and scarcity issues worsen
Solution Approach 1:
The patent creates composite materials by depositing a second material onto surface structures formed from a first material through electrolytic reaction. This composite structure combines the benefits of different materials to achieve high catalytic performance while reducing dependence on precious metals. The composite exhibits a modified electronic structure that enhances catalytic activity, allowing substitution of expensive precious metals with more economical material combinations.
2Productivity
If surface structures are created to enhance catalytic activity, then reaction rate is improved, but manufacturing complexity worsens
Solution Approach 1:
The patent replaces complex mechanical manufacturing processes with an electrolytic reaction process to form the composite material on surface structures. Instead of mechanically assembling or coating materials, an electrical current induces the electrolytic reaction that forms the composite in situ. This substitution simplifies the manufacturing process while maintaining the enhanced catalytic activity provided by the surface structures.
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 modified electronic structure of the composite material improves catalytic performance, offering a cost-effective alternative to traditional precious metal catalysts by enhancing reaction rates and reducing energy requirements.
Implementation Method 1
the composite is the electrolytic reaction product of the first material and the second material; the electrolytic reaction product is prepared by applying a current of sufficient density to the array to cause a reaction between the first material and the second material
Data Source
AI summary
An array includes a support substrate, surface structures protruding from a surface of the support substrate formed from or coated with a first material, a second material deposited on at least some of the surface structures such that the second material is in contact with the first material; and wherein the first material, the second material or the first and second material is conducting or semiconducting, and wherein the first and second material at least partially form a composite.