Solid State Hydrogen Storage Pellet Induction Heating
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Solution Overview
Problem
Conventional methods for storing solid state hydrogen face challenges in achieving uniform heat control due to exothermic and endothermic reactions, which affect the reaction rate and require additional heat sources, especially in limited spaces like high-pressure tanks, making it difficult to efficiently store and release hydrogen.
Innovation Solution
A system that applies an induction magnetic field to a solid state hydrogen storage material with uniformly dispersed magnetic materials, using a coil and power supplier to control heating and cooling, allowing for efficient heat management and uniform temperature control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heater tubes are used for heat exchange in the high pressure tank, then heat can be supplied to the solid compound, but uniform heat exchange is difficult to achieve
Solution Approach 1:
The patent replaces conventional mechanical heater tubes with an electromagnetic induction heating system. A coil generates a magnetic field that induces eddy currents in a conductive layer surrounding the solid compound pellets, generating heat uniformly throughout the material without requiring direct contact with heater tubes. This substitution of mechanical heating with electromagnetic induction resolves the uniformity issue while simplifying the overall heat exchanger configuration.
Solution Approach 2:
The patent utilizes the porous structure of the solid compound pellets themselves as the heating medium. The conductive layer is positioned within the porous structure, allowing magnetic field penetration and uniform heat generation throughout the pellet matrix. The porous nature of the material enables effective coupling between the magnetic field and the heating elements, achieving uniform heat distribution without complex external heater tubes.
2Quantity of substance
If solid compounds are compressed into bulk shape to increase hydrogen storage capacity, then more hydrogen can be stored, but heat removal becomes more difficult due to reduced surface area
Solution Approach 1:
The patent replaces conventional conductive heat removal mechanisms with electromagnetic induction heating and cooling. By using a coil to generate alternating magnetic fields that interact with the conductive layer, the system can rapidly heat or cool the bulk solid compound pellets uniformly throughout their volume, overcoming the heat removal limitations imposed by their compressed bulk shape and reduced surface area.
Solution Approach 2:
The patent creates a composite structure where solid compound pellets are surrounded by a conductive layer (such as metallic coating or embedded conductive particles). This composite configuration enables efficient electromagnetic coupling while maintaining the high hydrogen storage capacity of the bulk solid compound form. The conductive layer acts as an intermediary that facilitates uniform heat transfer to and from the bulk material without requiring it to be in powdered or highly divided form.
3Volume of stationary object
If internal pores are reduced in solid compounds to decrease bulk volume, then storage density increases, but reaction heat accumulation worsens
Solution Approach 1:
The patent replaces passive heat dissipation through internal pores with active electromagnetic induction heating and cooling. The alternating magnetic field generated by the coil induces eddy currents in the conductive layer, enabling rapid and uniform heat generation or removal throughout the bulk material. This active control mechanism effectively manages reaction heat accumulation in densely packed solid compounds with minimal internal porosity, preventing thermal runaway while maintaining high storage density.
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 system enables uniform heat control and efficient hydrogen storage and release by uniformly heating the hydrogen storage material, improving thermal efficiency and allowing for increased hydrogen capacity without the need for conventional heater tubes.
Implementation Method 1
when current is supplied to the coil, the current may react with the magnetic material included in the solid state hydrogen storage pellet to form an induction magnetic field, thereby heating the solid state hydrogen storage pellet
Implementation Method 2
when current is supplied to the coil, the current may react with the magnetic material included in the solid state hydrogen storage pellet to form an induction magnetic field, thereby heating the solid state hydrogen storage pellet
Implementation Method 3
the current may react with the magnetic material included in the solid state hydrogen storage pellet to form an induction magnetic field
Data Source
AI summary
A system for storing solid state hydrogen includes: a solid state hydrogen storage pellet including a magnetic material and storing solid state hydrogen therein; an inner container surrounding the solid state hydrogen storage pellet; and a coil surrounding the inner container, wherein when current is supplied to the coil, the current reacts with the magnetic material included in the solid state hydrogen storage pellet to form an induction magnetic field, thereby heating the solid state hydrogen storage pellet.