Gas Adsorption Electrode Particle Size Control
Solution Overview
Problem
The existing gas adsorption systems face performance deterioration due to the aggregation of active materials in the second electrode film, leading to increased particle size and reduced contact area with the conductive path, which hampers effective electron transfer and gas adsorption performance.
Innovation Solution
A gas adsorption system is designed with a second electrode film having an active material with a particle size of 10 μm or less, utilizing a mixed solvent with adjusted solubility parameters to ensure the active material and binder are dissolved, preventing aggregation and enhancing dispersion within the film.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the active material is used without controlling particle size, then the manufacturing process is simple, but the active material aggregates and particle size increases, reducing contact area with conductive path and hampering electron transfer
Solution Approach 1:
The patent applies parameter changes by controlling the particle size of the active material to 10 μm or less through specific manufacturing processes. This parameter control prevents aggregation and maintains adequate contact area with the conductive path, resolving the contradiction between manufacturing precision and process complexity by establishing a clear particle size specification.
2Reliability
If the active material particle size is reduced to 10 μm or less, then the contact area with conductive path increases and electron transfer improves, but the manufacturing precision requirements increase
Solution Approach 1:
The patent changes the particle size parameter to 10 μm or less, which directly improves electron transfer efficiency by increasing contact area with the conductive path. This parameter change is implemented through controlled manufacturing processes that achieve the desired particle size distribution.
Solution Approach 2:
The patent employs hydraulic mixing processes to achieve uniform dispersion of the active material at the specified particle size. The hydraulic approach ensures consistent particle size control and adequate mixing with the binder and conductive path materials, thereby improving reliability without excessive manufacturing complexity.
3Productivity
If the active material aggregates, then the particle size increases, but the contact area with conductive path decreases, reducing gas adsorption performance
Solution Approach 1:
The patent controls the particle size parameter to 10 μm or less to prevent aggregation and maintain adequate contact area with the conductive path. This parameter control directly improves gas adsorption performance by ensuring proper electron transfer efficiency and active material utilization.
Solution Approach 2:
The patent introduces a binder as an intermediary substance that facilitates uniform distribution and adhesion of the active material particles to the conductive path. This intermediary prevents aggregation and maintains the desired particle size distribution, thereby preserving gas adsorption performance.
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 approach effectively utilizes the active material, improving charge transfer and gas adsorption performance by maintaining a smaller particle size and increasing the contact area with the conductive path, thereby enhancing the overall adsorption efficiency.
Implementation Method 1
a first electrode film configured to adsorb and desorb a target gas from a mixed gas containing the target gas to be recovered by an electrochemical reaction
Implementation Method 2
utilizing a mixed solvent with adjusted solubility parameters to ensure the active material and binder are dissolved, preventing aggregation and enhancing dispersion within the film
Data Source
AI summary
A gas adsorption system includes: a first electrode film configured to adsorb and desorb a target gas from a mixed gas containing the target gas to be recovered by an electrochemical reaction; and a second electrode film having an active material to transfer electrons to and from the first electrode film. The active material has a particle size less than or equal to 10 μm.