Conical Waveguide Electron Collector for Bandgap-Free Solar Harvesting
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Solution Overview
Problem
Current solar energy collection technologies, particularly semiconductor-based photovoltaics, face limitations in efficiency and cost due to quantum bandgap restrictions, high material costs, and the use of toxic materials, making them inefficient and expensive for large-scale energy production.
Innovation Solution
The system utilizes conical waveguides with tailored geometries and materials to create localized field enhancements, allowing for electron emission across a gap and generating electricity from a wide spectrum of electromagnetic radiation without semiconductor materials, thereby increasing efficiency and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If semiconductor-based photovoltaic technology is used to collect solar energy, then energy collection can be achieved, but efficiency is limited by quantum bandgap restrictions to less than 33%
Solution Approach 1:
The patent replaces the quantum mechanical semiconductor bandgap mechanism with a classical electromagnetic field concentration mechanism. Instead of relying on electron-hole pair generation limited by bandgap energy, the invention uses geometric field concentration at sharp points to directly emit electrons through field emission, bypassing the quantum efficiency limitations of semiconductor materials.
Solution Approach 2:
The invention changes the fundamental operating parameter from quantum energy bandgap thresholds to classical electric field strength at concentrated geometric points. By controlling the geometry of sharp points and the resulting field concentration, the system can efficiently collect energy across a broader spectrum without the 33% efficiency ceiling imposed by semiconductor physics.
2Productivity
If inorganic semiconductor materials are used for photovoltaic cells, then energy collection efficiency can be improved, but material costs and manufacturing costs increase significantly
Solution Approach 1:
The patent replaces expensive, carefully controlled semiconductor materials with simple conductive materials shaped into geometric field concentrators. The focus shifts from material purity and quality to geometric precision, allowing the use of cheaper materials that can be manufactured more easily while achieving comparable or superior performance.
Solution Approach 2:
The invention changes the critical manufacturing parameter from material composition control to geometric shape control. Instead of requiring precise doping and purity control of semiconductor wafers, the system requires precise formation of sharp geometric points that concentrate electric fields, which can be achieved through simpler manufacturing processes.
3Productivity
If triple-junction PV cells are used to increase efficiency, then energy collection efficiency can reach around 28%, but the use of toxic materials creates environmental disposal problems
Solution Approach 1:
The patent extracts and eliminates the toxic semiconductor materials from the photovoltaic system while retaining the energy collection function. By replacing multi-junction semiconductor structures with geometric field concentrators made of non-toxic conductive materials, the invention removes the environmental disposal problem associated with toxic materials.
Solution Approach 2:
The invention converts the harmful environmental aspect of toxic materials into a benefit by using non-toxic materials that achieve the same or better performance. The geometric field concentration mechanism allows the use of environmentally friendly materials while maintaining high efficiency energy collection.
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 approach enhances energy collection efficiency across the visible and near-visible spectrum, reduces electrical resistance, and lowers production costs, making solar energy collection more viable and environmentally friendly.
Implementation Method 1
The system utilizes conical waveguides with tailored geometries and materials to create localized field enhancements
Implementation Method 2
allowing for electron emission across a gap and generating electricity from a wide spectrum of electromagnetic radiation
Implementation Method 3
The system utilizes conical waveguides with tailored geometries and materials to create localized field enhancements
Data Source
AI summary
An electromagnetic energy collector and sensor use enhanced fields to emit electrons for energy collection. The collector and sensor collect energy from visible light, infrared radiation and ultraviolet electromagnetic radiation. The collector and sensor include a waveguide with a geometry selected to enhance the electric field along a conductor to create a high, localized electric field, which causes electron emission across a gap to a return plane.