Metallic Glow Discharge Diode Low Pressure Power Generation
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Solution Overview
Problem
Existing technologies for power generation using gas discharge devices are inefficient and costly, particularly in generating a stable 'normal glow' discharge at low pressures, where gas molecules do not carry electrical current, limiting the effective utilization of plasma for energy transfer.
Innovation Solution
A metal container with a cathode and insulated anode at low pressures, utilizing a DC bias supply and series resistor configuration to create a plasma that efficiently generates electrons and ions, which can drive an external load without draining additional current, leveraging the 'normal glow' discharge phenomenon.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If gas discharge devices are used for power generation, then electrical current can be generated, but the efficiency is low and cost is high due to inability to maintain stable normal glow discharge at low pressures
Solution Approach 1:
The patent changes the pressure parameter to very low levels (0.01-10 mmHg, preferably 0.1-1 mmHg) and adjusts the electrode configuration and gas composition to maintain stable normal glow discharge at these pressures, enabling efficient power generation that was previously unachievable
Solution Approach 2:
The patent employs a dynamic control system with sensors and feedback mechanisms to continuously adjust operating parameters (voltage, current, pressure) to maintain stable normal glow discharge conditions, transforming a static system into a dynamically adaptable one
2Power
If gas pressure is reduced to enable electron ionization, then plasma generation is improved, but gas molecules cannot carry electrical current due to neutrality
Solution Approach 1:
The patent introduces an intermediary mechanism where a small fraction of ionized gas molecules act as charge carriers, mediating between the neutral gas molecules and the electrical current requirement, allowing energy transfer through the plasma without requiring bulk gas ionization
3Productivity
If large cathode area is used to generate sufficient plasma, then charge generation is improved, but device size and complexity increase
Solution Approach 1:
The patent changes multiple parameters simultaneously: uses very low pressure (0.01-10 mmHg), specific gas compositions (neon, argon, or mixtures), and optimized electrode spacing to achieve high charge generation rates with compact device dimensions, avoiding the need for large cathode areas
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
This configuration achieves efficient power generation with a high ratio of sustaining discharge current to load current, enabling low-cost, non-polluting power units suitable for small or large-scale applications, including battery charging and low-voltage LED operation.
Implementation Method 1
Under the action of an electric field, the electron will gain sufficient energy to ionize further neutral gas molecules. Creating an electron and an ion pair
Implementation Method 2
In gaseous discharge ionization, recombination and meta-stable states occurs generating photons when the excited ions returns to the neutral state which trigger photo-electrons from a cathode
Implementation Method 3
If an electron is generated by cosmic rays or the photoelectric effect at this low pressure of the confined gas
Data Source
AI summary
The invention describes a metal container that comprises a cathode containing an insulated anode with gases at pressures less than a fraction (0.1-0.9) of a mmHg. Metallic normal glow discharge diode and triode devices with large cold cathode area as efficient charge generator to function as a power cell. A metallic glow discharge device comprising a cylindrical cathode and a coaxial insulated anode containing gas at very low pressure utilizing radial electric field. A metallic normal glow discharge diode device containing a planar geometry, with an insulated metallic plate parallel to the broad side of the container forms the anode, while the container acts as the cathode.