Ion Pump With Embedded Electrodes for Bidirectional Fluid Control
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Solution Overview
Problem
Conventional membrane structures for fluid transfer through ion exchange, driven by electrical fields, are limited in controlling fluid movement direction and efficiency, particularly in bidirectional ion transfer and handling of both anions and cations.
Innovation Solution
A membrane structure with integrated electrodes generating alternating and time-varying electric fields, allowing bidirectional ion transfer and control of fluid movement through semipermeable membranes with embedded electrodes, enabling the manipulation of ions and fluid flow within the membrane structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional electrodes arranged outside the membrane are used, then the device structure is simple, but the control of fluid movement direction and efficiency is limited
Solution Approach 1:
The patent combines the membrane and electrodes into a single integrated structure, where electrodes are embedded within the membrane itself. This merging allows the membrane to simultaneously perform separation and electrical control functions, enabling bidirectional fluid movement control without requiring separate external electrode assemblies.
Solution Approach 2:
The invention transitions from conventional external electrode placement to internal electrode integration within the membrane matrix. This dimensional repositioning allows electric fields to be generated directly at the membrane interface, providing precise spatial control over ion and fluid movement through the membrane pores.
2Adaptability or versatility
If conventional membrane structures are used, then the device complexity is low, but the bidirectional ion transfer capability is limited
Solution Approach 1:
The patent implements dynamic control of fluid and ion transport by applying time-varying electric potentials to the integrated electrodes. This allows the membrane to switch between different transport modes (bidirectional ion transfer, selective permeability) in response to changing electrical signals, making the system adaptable to different operational requirements.
Solution Approach 2:
The integrated membrane-electrode structure performs multiple functions simultaneously: mechanical filtration through the membrane matrix, electrical stimulation for ion transport control, and bidirectional fluid movement regulation. This multi-functionality eliminates the need for separate components for each function.
3Productivity
If external electrical fields are applied, then the ion transfer can be achieved, but the efficiency and control precision are insufficient
Solution Approach 1:
The integrated electrodes act as intermediaries that directly generate electric fields within the membrane structure, eliminating the need for external field application systems. This intermediary positioning allows for more efficient energy transfer and better control over ion migration pathways through the membrane pores.
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 efficient bidirectional ion transfer and fluid control, enhancing the membrane's ability to manage ion movement and fluid flow, improving processes like desalination and ion detection by allowing for the manipulation of ions and fluid flow within the membrane structure.
Implementation Method 1
at least one plurality of electrodes arranged to provide one or more electric fields to control a movement of the fluid within the at least one hole
Implementation Method 2
Devices for transferring various fluids through a membrane structure with small pores (e.g. mircopores or nanopores) by means of ion transfer—even against a concentration gradient—by means of an applied electrical field
Implementation Method 3
The sequence of such a process is usually mainly controlled by the permeability of the membrane
Implementation Method 4
membrane structure with small pores (e.g. mircopores or nanopores)
Data Source
AI summary
A membrane structure is provided. The membrane structure may include: a membrane; at least one hole extending into the membrane configured to receive a fluid. The membrane may include a plurality of electrodes arranged to provide one or more electric fields to control a movement of the fluid within the at least one hole.