Dual-Cavity Solar Thermochemical Reactor With Magnetic Stabilization
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Solution Overview
Problem
Solar thermochemical reactors face challenges due to the transient nature of solar energy, structural weaknesses in optically transparent materials, and sintering issues that reduce the surface area of reactant materials, limiting their scalability and efficiency.
Innovation Solution
A dual cavity solar thermochemical reactor design with a magnetically stabilized reactive material, where the outer member surrounds the inner member and includes an aperture for solar radiation, allowing for controlled thermochemical reactions at lower temperatures and maximizing solar energy utilization through a vacuum and magnetic field application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If optically transparent materials (glass, plastic) are used to manufacture reactor windows to admit concentrated solar radiation, then solar energy can be effectively transmitted to the reaction site, but the structural strength is weak and the materials are extremely susceptible to staining and thermal stress damage
Solution Approach 1:
The patent removes the window component entirely from the reactor design. Instead of using a window to admit solar radiation, the reactor operates in an open configuration where solar radiation directly illuminates the reactive material in the reaction chamber, eliminating the window and its associated reliability problems while maintaining effective solar energy transmission
Solution Approach 2:
The patent introduces a magnetic field as an intermediary mechanism to control the reactive material. A magnetically stabilizable reactive material is used, allowing the material to be contained and controlled by magnetic fields rather than requiring physical containment structures like windows, thereby solving both the transmission and durability issues simultaneously
2Productivity
If solar thermochemical reactions are conducted at very high temperatures to drive the reactions, then the thermochemical reactions can proceed effectively, but sintering of reactant materials occurs which reduces internal surface area and adversely affects chemical kinetics
Solution Approach 1:
The patent changes the physical state and magnetic properties of the reactive material by applying a magnetic field. The magnetically stabilizable reactive material undergoes parameter changes in its magnetic susceptibility and physical configuration when exposed to magnetic fields, allowing effective reaction control at lower temperatures without sintering, thereby maintaining high surface area while achieving productive reaction rates
Solution Approach 2:
The patent replaces thermal energy dominance with magnetic field control. Instead of relying solely on high temperatures to drive reactions and control material behavior, a magnetic field is applied to control the magnetically stabilizable reactive material, enabling effective reactions at lower temperatures and preventing sintering-induced surface area loss
3Adaptability or versatility
If solar energy is used as a renewable energy source for large-scale deployment, then sustainability is improved, but the transient nature of solar energy makes it difficult to deploy on a large scale
Solution Approach 1:
The patent enables continuous operation by using a magnetically stabilizable reactive material that can be continuously cycled through magnetic field control. The magnetic field allows for precise control of the reactive material's state and position, enabling continuous reaction cycles without interruption due to solar energy transience, thereby achieving scalable continuous production
Solution Approach 2:
The patent introduces dynamic control through magnetic field application. The magnetically stabilizable reactive material responds dynamically to magnetic field changes, allowing rapid adjustment of reaction conditions and material configuration. This dynamic control capability enables the system to adapt to varying solar energy availability and maintain continuous operation for scalable deployment
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 reactor design enhances the absorption of solar radiation, reduces re-radiation losses, and maintains a high surface area of reactive materials, enabling efficient and repeated redox cycles with improved scalability and energy conversion efficiency.
Implementation Method 1
a reactive material capable of being magnetically stabilized wherein the reactive material is disposed in the outer cavity between the inner member and the outer member
Implementation Method 2
the outer member has an aperture for receiving solar radiation
Implementation Method 3
Solar power is used to facilitate thermochemical reactions
Implementation Method 4
carrying out a reduction reaction in the reactor, extracting oxygen from the outer member
Implementation Method 5
Solar thermochemical reactions can proceed at very high temperatures
Implementation Method 6
disposing carbon dioxide and water onto the reactor material, carrying out an oxidation reaction in the reactor and extracting carbon monoxide gas and hydrogen gas from the outer member
Implementation Method 7
enabling efficient and repeated redox cycles
Implementation Method 8
applying a vacuum to the outer member
Implementation Method 9
fluidizing the reactive material
Data Source
AI summary
A solar thermochemical reactor includes an outer member, an inner member disposed within an outer member, wherein the outer member surrounds the inner member and wherein the outer member has an aperture for receiving solar radiation and wherein an inner cavity and an outer cavity are formed by the inner member and outer member and a reactive material capable of being magnetically stabilized wherein the reactive material is disposed in the outer cavity between the inner member and the outer member.