Electrocatalytic Reaction Reactor With Insulated Replaceable Basket Electrodes
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Solution Overview
Problem
Existing reactors for investigating electrocatalytic reactions in batch reactors, particularly stirred-tank reactors, face challenges in ensuring uniform contact between reactor components and electrodes, making it difficult to reproduce results and scale up to pilot plants or large-scale facilities, and require easy electrode exchange and accessibility.
Innovation Solution
A device with a reaction container lined with an electrically insulating coating and a stirrer with insulating coating, featuring replaceable basket-shaped electrodes that ensure defined contact and allow for reproducible investigations, facilitating upscaling and easy electrode replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional reactors are used for investigating electrocatalytic reactions, then continuous operation is achieved, but batch process reactions with longer residence times cannot be simulated
Solution Approach 1:
The reactor is segmented into distinct functional zones: a reaction zone with stirring mechanism for batch process simulation, and electrode zones for electrocatalytic reactions. This segmentation allows the reactor to accommodate both continuous and batch operation modes, enabling versatile experimental configurations without requiring complete redesign of the system architecture.
2Reliability
If electrodes are positioned in solid body batch reactors, then uniform contact between media and electrodes is required, but surface contact establishment is difficult
Solution Approach 1:
The reactor employs a dynamic stirring mechanism that actively circulates and agitates the liquid media, ensuring continuous motion and contact between the media and electrode surfaces. This dynamic approach replaces the need for precise static positioning, as the stirring action naturally maintains uniform contact between the liquid phase and electrodes throughout the reaction volume.
3Measurement precision
If electrodes require precise parallel spacing and alignment, then reproducible parameters are achieved, but electrode exchange and calibration become time-consuming
Solution Approach 1:
The electrode assembly is pre-configured with fixed spacing and alignment features during manufacturing, establishing reproducible geometric parameters before installation. This preliminary preparation eliminates the need for time-consuming on-site calibration and alignment procedures, as the electrodes are delivered in a pre-assembled configuration that maintains precise spacing and parallel alignment ready for immediate installation.
4Productivity
If reactors are designed for continuous operation, then steady-state production is achieved, but investigation of batch reactor electrocatalytic reactions is limited
Solution Approach 1:
The reactor is designed with multi-functionality to serve both continuous and batch operation modes. The system incorporates a stirring mechanism for batch mixing, electrode configurations for electrocatalytic reactions, and flow interfaces for continuous operation. This universal design allows the same reactor to investigate batch process electrocatalysis while maintaining capability for steady-state production studies, eliminating the need for separate specialized reactors.
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
Ensures uniform contact and reproducible results, enabling easy electrode exchange and simplifies the investigation of electrocatalytic reactions, allowing for scalable and reproducible industrial applications.
Implementation Method 1
the container (3) is lined internally with an electrically insulating coating or is made of an electrically insulating material and the stirrer (5) has at least one stirrer axis (17) provided with an electrically insulating coating or made of an electrically insulating material
Implementation Method 2
Electrocatalysts facilitate or enable chemical reactions analogous to heterogeneous catalysts. In addition to surface-active processes on catalysts, which lower the activation energy for a chemical reaction, electrocatalysts can further lower the activation energy by applying an electric potential.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a device for analysing electrocatalytic reactions, comprising a container (3) having an agitator (5), wherein the container (3) is coated with an electrically insulating coating on the inside or is made of an electrically insulating material, and the agitator (5) comprises at least one agitator shaft (17) which is provided with an electrically insulating coating or is made of an electrically insulating material, and electrodes (9, 9a, 9b; 11, 11a, 11b) formed as replaceable baskets (7; 7a; 7b) are positioned in the container (3).