Glow Discharge Electrolysis Cell for Hydrogen Generation
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Solution Overview
Problem
Current plasma reactors and torches face inefficiencies in generating hydrogen, require high voltage, are not designed for gas separation from bulk liquids, and lack heat recovery and cogeneration capabilities, while also being costly due to the need for inert gases like argon and hydrogen.
Innovation Solution
An all-electric system utilizing a glow discharge electrode assembly with a conductive cylindrical screen, flange assembly, insulator, and non-conductive granular material, which prevents arcing and allows for the regeneration, concentration, or conversion of waste materials into valuable products like hydrogen and steam, integrated with a solid oxide electrolysis cell and plasma torch for efficient energy and resource utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If plasma reactors use high voltage pulse generators to generate plasma, then plasma generation capability is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts and eliminates the need for complex high voltage pulse generators by using a simple DC power supply instead. The glow discharge electrolysis cell achieves plasma generation through a straightforward DC electrical connection between electrodes, removing the disturbing complexity of high voltage pulsing mechanisms while maintaining effective plasma production for water treatment and hydrogen generation.
Solution Approach 2:
The invention replaces expensive, complex high voltage pulse generator systems with inexpensive, simple DC power supplies. This substitution uses readily available, low-cost electrical components that can be easily replaced or adjusted, significantly reducing system cost and complexity while maintaining the core plasma generation function needed for electrolysis and water treatment.
2Quantity of substance
If plasma reactors are designed for water treatment, then water purification capability is improved, but hydrogen generation and heat recovery capabilities are lost
Solution Approach 1:
The patent designs a multi-functional glow discharge electrolysis cell that simultaneously performs water treatment, hydrogen generation, and heat recovery. The system integrates multiple functions into a single apparatus: the electrolysis cell purifies water through plasma discharge while generating hydrogen gas as a valuable byproduct, and the cathode cooling system recovers heat for potential reuse, making the system versatile rather than single-purpose.
Solution Approach 2:
The invention merges previously separate functions (water treatment, hydrogen generation, and heat recovery) into a single integrated glow discharge electrolysis system. The electrolysis cell combines plasma generation for water purification with simultaneous hydrogen production, while the cathode structure incorporates heat recovery capabilities, consolidating multiple processes into one unified apparatus.
3Reliability
If plasma reactors use inert gases like argon and hydrogen, then plasma stability is improved, but operational cost increases
Solution Approach 1:
The system generates its own plasma-sustaining hydrogen gas through the electrolysis process itself, eliminating the need to purchase external inert gases. The electrolysis of water produces hydrogen as a byproduct, which can then be used as the plasma gas, creating a self-sustaining cycle that reduces operational costs while maintaining plasma stability.
Solution Approach 2:
The invention changes the plasma generation parameters from requiring external inert gases to using self-generated hydrogen from water electrolysis. This parameter change transforms the system from consuming expensive purchased gases to producing its own plasma-sustaining gas through the electrolysis process, significantly reducing operational expenses while maintaining effective plasma discharge.
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 system effectively generates hydrogen, concentrates waste materials, and cogenerates heat and fuel, reducing costs by utilizing waste materials and minimizing the need for inert gases, while maintaining operational efficiency and continuous duty capability.
Implementation Method 1
high temperature electrolysis glow discharge method
Implementation Method 2
The cathode heats up during the electric glow discharge
Implementation Method 3
solid oxide electrolysis cell
Data Source
AI summary
The present invention provides a glow discharge assembly that includes an electrically conductive cylindrical screen, a flange assembly, an electrode, an insulator and a non-conductive granular material. The electrically conductive cylindrical screen has an open end and a closed end. The flange assembly is attached to and electrically connected to the open end of the electrically conductive cylindrical screen. The flange assembly has a hole with a first diameter aligned with a longitudinal axis of the electrically conductive cylindrical screen. The electrode is aligned with the longitudinal axis of the electrically conductive cylindrical screen and extends through the hole of the flange assembly into the electrically conductive cylindrical screen. The insulator seals the hole of the flange assembly around the electrode and maintains a substantially equidistant gap between the electrically conductive cylindrical screen and the electrode. The non-conductive granular material is disposed within the substantially equidistant gap.


