Segmented Electrochemical Cell for Parallel Catalyst Screening

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Solution Overview

Problem

Current electrochemical reaction systems using electrode catalysts face limitations in optimizing catalysts and reaction conditions due to restricted search ranges and contamination issues, particularly when reusing cells for multiple tests, which hampers high-throughput screening and efficient substance transformation.

Innovation Solution

A multielectrode electrochemical reaction system with a single cell capable of performing multiple reactions using various electrode catalysts and materials, featuring a power supply for voltage control, fluid supply for reactants, and gas-liquid separation to optimize catalysts and conditions across a wide range, reducing contamination and enabling high-speed testing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single electrochemical cell is reused for multiple tests with different electrode catalysts and conditions, then device complexity is reduced, but contamination occurs between tests and search range is limited

Engineering Contradiction:
Improvecell structureVSAvoidcontamination control
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent divides the cell chamber into multiple independent regions (first chamber region and second chamber region) separated by a partition. Each region can accommodate different electrode catalysts and perform different electrochemical reactions simultaneously, preventing contamination between tests while maintaining a single cell structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The single electrochemical cell is designed to perform multiple functions by accommodating different types of electrode catalysts (first electrode catalyst and second electrode catalyst) in different chamber regions. This multi-functional design allows the cell to screen various electrode catalysts and reaction conditions without requiring multiple separate cells.

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

2Device complexity

If multiple electrode catalysts are tested sequentially in a single cell, then device complexity is reduced, but productivity decreases due to time-consuming tests

Engineering Contradiction:
Improvecell structureVSAvoidtesting speed
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The chamber is segmented into multiple independent regions that can operate simultaneously. This allows parallel testing of different electrode catalysts in different regions, dramatically increasing productivity while maintaining a single cell structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent enables continuous parallel operation of multiple electrochemical reactions in different chamber regions simultaneously. This continuous parallel action eliminates the need for sequential testing, thereby increasing productivity without requiring multiple separate cells.

Inventive Principle:
Principle #20Continuity of useful action

3Manufacturing precision

If the search range for electrode catalysts and reaction conditions is expanded, then optimization quality improves, but the time required for testing increases

Engineering Contradiction:
Improvecatalyst optimizationVSAvoidtesting time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

By dividing the chamber into multiple independent regions, the patent enables simultaneous testing of multiple electrode catalysts and reaction conditions. This parallel segmentation allows comprehensive optimization across a wide search range without proportionally increasing total testing time.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements periodic parallel testing cycles where multiple electrode catalysts are evaluated simultaneously in different chamber regions. This periodic parallel action accelerates the optimization process while maintaining comprehensive search coverage.

Inventive Principle:
Principle #19Periodic action

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

Enables simultaneous, high-speed generation of substances and optimization of electrode catalysts and reaction conditions across a wide range, improving productivity and reducing contamination risks by allowing multiple reactions in a single cell with diverse catalysts and materials.

Implementation Method 1

an electrochemical cell having a first electrode functioning as a cathode, a second electrode functioning as an anode, and a chamber in which electrochemical reaction is made by the first electrode and the second electrode

Methodology Applied
Scientific EffectElectrochemical reaction: Electrolysis

Data Source

PatentEP4492054A1Electrochemical reaction system
Publication Date: 2025.01.15 HITACHI LTD
  • EP4492054A1 patent drawingFigure 1
  • EP4492054A1 patent drawingFigure 2A~2B
  • EP4492054A1 patent drawingFigure 3~4

AI summary

An electrochemical reaction system includes an electrochemical cell having a first electrode functioning as a cathode, a second electrode functioning as an anode, and a chamber in which electrochemical reaction is made, a power supply apparatus that applies voltage between the first electrode and the second electrode, and a fluid supply apparatus that supplies fluid involved in the electrochemical reaction to the chamber. At least one of the first electrode or the second electrode is made of plural types of electrode materials different from each other in at least one of the composition of a material forming the electrode or the surface structure of the electrode. At least part of a wall surface of the chamber is made of the plural types of electrode materials.