Electrode Catalyst Composition for Efficient Electrochemical Amination

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Solution Overview

Problem

Existing methods for producing amino acids, such as fermentation and chemical synthesis, face challenges including resource competition with food, high energy consumption, water usage, and reliance on environmentally harmful catalysts, while electrochemical methods suffer from low Faraday efficiencies and the use of toxic metals.

Innovation Solution

An electrode catalyst is developed with a metal or metal oxide supported on a conductive electrode support, utilizing transition metals and carbon-based materials, which promotes reductive amination reactions to produce amine compounds efficiently using renewable resources, avoiding environmentally regulated substances and precious metals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional chemical synthesis methods using toxic catalysts (lead, mercury) are employed, then amino acid production efficiency is improved, but environmental pollution and health hazards increase

Engineering Contradiction:
Improveamino acid production efficiencyVSAvoidenvironmental pollution and health hazards
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces expensive and toxic precious metal catalysts (lead, mercury) with inexpensive transition metal catalysts (manganese, cobalt, nickel, copper, zinc) that can be easily disposed of or regenerated, thereby reducing environmental pollution and health hazards while maintaining production efficiency

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent changes the chemical parameters of the catalyst system by substituting toxic heavy metals with less toxic transition metals, and optimizes reaction conditions (temperature, pressure, solvent) to achieve high efficiency amino acid synthesis without environmental harm

Inventive Principle:
Principle #35Parameter changes

2Use of energy by moving object

If electrochemical methods are used for amino acid synthesis, then energy consumption is reduced, but Faraday efficiency decreases to 50-80%

Engineering Contradiction:
Improveenergy consumptionVSAvoidFaraday efficiency
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The patent introduces transition metal catalysts as intermediaries in the electrochemical reaction system, which facilitate the electron transfer process and improve the Faraday efficiency by directing electrons toward the desired amino acid synthesis pathway rather than side reactions

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent employs composite catalyst systems combining transition metals with carbon-based materials or other supports to enhance both the electrical conductivity and catalytic activity, thereby improving Faraday efficiency while maintaining low energy consumption

Inventive Principle:
Principle #40Composite materials

3Object-affected harmful factors

If fermentation methods are used to produce amino acids, then environmental friendliness is improved, but production time increases and resource competition with food occurs

Engineering Contradiction:
Improveenvironmental friendlinessVSAvoidproduction time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The patent replaces the biological fermentation system with an electrochemical synthesis system using transition metal catalysts, which operates faster and does not require organic substrates that compete with food resources, while maintaining environmental friendliness through reduced energy consumption and waste

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent develops a universal electrochemical synthesis platform that can produce multiple types of amino acids using the same transition metal catalyst system, eliminating the need for separate fermentation processes for different amino acids and significantly reducing production time

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 electrode catalyst enables the production of amine compounds with reduced environmental impact by using abundant resources and renewable energy, offering a sustainable and efficient alternative to traditional methods.

Implementation Method 1

the cathode contains an electrode catalyst which promotes a reductive amination reaction

Methodology Applied
Scientific EffectElectrochemical reduction: Reduction

Implementation Method 2

an electrode catalyst which promotes a reductive amination reaction of a carboxyl group

Methodology Applied
Scientific EffectCatalysis: Catalysis

Data Source

PatentUS12454766B2Electrode catalyst and method for producing amine compound
Publication Date: 2025.10.28 THE JAPAN SCI & TECH AGENCY
  • US12454766B2 patent drawing
  • US12454766B2 patent drawing
  • US12454766B2 patent drawing

AI summary

An electrode catalyst in which a metal or a metal oxide is supported on an electrode support composed of a conductive substance is provided. It is preferable that the electrode support contain one or more metals which are selected from the group consisting of a transition metal and a typical metal in Groups 12 to 14 or a carbon material and the metal or the metal oxide contain one or more metals which are selected from the group consisting of a transition metal and a typical metal in Groups 12 to 14 or a metal oxide.