Layered Superconducting Generator for Heat-to-Electricity Cycling
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Solution Overview
Problem
Current technologies fail to convert thermal energy into electricity without energy loss, as dictated by the second law of thermodynamics, with no device yet capable of harnessing thermal energy and converting it into usable electric energy without irreversible loss.
Innovation Solution
A composite hybrid inductive layered electric generator uses a thermodynamic conductor with magnetocaloric and diamagnetic properties, exploiting the magnetocaloric effect and electromagnetic induction to convert heat into electricity by varying magnetic field density within a superconducting conductor, with a secondary conductor maintaining low resistance to reduce energy dissipation and optimize energy transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a thermodynamic conductor is used to convert heat into electricity through magnetocaloric effect and electromagnetic induction, then energy conversion efficiency is improved, but device complexity increases due to the need for superconducting materials and magnetic field control systems
Solution Approach 1:
The patent changes the physical state of the conductor by transitioning between superconducting and resistive states through temperature and magnetic field control. This parameter change enables the magnetocaloric effect and electromagnetic induction to convert heat into electricity with minimal energy loss, directly addressing the energy efficiency improvement while managing device complexity through controlled state transitions
Solution Approach 2:
The patent employs composite hybrid inductive layered structures combining superconducting materials with magnetic components. This composite approach integrates multiple functions (heat absorption, magnetic field generation, electrical conduction) into a unified system, improving energy conversion efficiency while organizing complexity through functional integration
2Power
If the magnetic field density is increased to enhance electricity generation, then power output is improved, but energy expenditure increases due to the work required to maintain the magnetic field
Solution Approach 1:
The patent utilizes periodic cycling between superconducting and resistive states to generate electricity. During each cycle, the magnetic field is established, then the conductor transitions to expel the field and generate current, followed by a return to the superconducting state. This periodic action allows power output to be maintained through rhythmic energy conversion rather than continuous high energy input, addressing the contradiction between power and energy expenditure
Solution Approach 2:
The patent exploits the phase transition of the thermodynamic conductor between superconducting and resistive states. During the transition from superconducting to resistive state, the conductor expels the magnetic field (Meissner effect reversal), generating electrical current through electromagnetic induction. This phase transition mechanism converts magnetic field energy into electrical energy efficiently, improving power output while managing the energy required to sustain the cycle
3Power
If the first conductor operates in resistive state to allow current flow, then electricity generation is enabled, but combined heating occurs causing energy dissipation
Solution Approach 1:
The patent applies preliminary cooling to establish the superconducting state before inducing the magnetic field. This preliminary action ensures that when the conductor transitions to the resistive state for current flow, the overall energy balance remains favorable. The pre-established superconducting state minimizes the duration and magnitude of resistive heating, enabling electricity generation while reducing energy dissipation through proactive state management
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 generator effectively converts heat into electricity with minimal energy expenditure, maintaining superconductors below critical temperatures and reducing energy loss, while balancing energy input and output to sustain efficient operation.
Implementation Method 1
The magnetocaloric aspect of the energy conversion objective of the present invention utilizes the property that when the critical field at a superconductor exceeds a predetermined field density, called the critical field, the field subsequently penetrates the superconductor material, making the material colder, if the cooling exceeds the combined heating that also occurs.
Implementation Method 2
The expulsion of the field changes the magnetic field density within the first conductor, generating an electric current in that conductor, i.e. generated electric power.
Implementation Method 3
The present invention urges an increasing and decreasing magnetic field density within a thermodynamic conductor. When this first conductor transitions into the superconducting state, it expels the magnetic field from inside the conductor.
Data Source
AI summary
A method and apparatus for generating electricity using a thermodynamic inductor formed from a thermodynamic conductor winding that converts heat into a dynamic magnetic field density within the winding, inducing a current in the winding, which is electric power for loads. The winding may be a composite, including a coaxial arrangement of two or more superconducting layers. The first layer has a low critical magnetic field. When the field in the thermodynamic layer increases, the layer transitions to the intermediate state, cooling from the entropy increase, and absorbing heat. Subsequently when the field decreases, the layer resumes superconductivity, increasing available energy which is used to expel the field and induce generated electricity. The second conductive layer in the winding, in electrical contact with the first, remains in the superconducting state, reducing heating. A connected capacitor provides L-C oscillations and energy storage, maintaining cyclical operation, and powers connected and dissipating loads.