Solid hydrogen storage system
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Solution Overview
Problem
Existing solid hydrogen storage systems require separate heat exchange structures for temperature control and additives to enhance thermal conductivity, complicating the system and reducing hydrogen storage capacity.
Innovation Solution
A solid hydrogen storage system utilizing a combination of ferromagnetic and non-ferromagnetic solid hydrogen storage materials within a storage container, where a variable magnetic field is applied to induce heating, eliminating the need for separate heat exchange structures and enhancing hydrogen storage capacity without additional thermal conductivity additives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If separate heat exchange structures are added to control temperature of solid hydrogen storage material, then temperature control capability is improved, but device complexity increases
Solution Approach 1:
The solid hydrogen storage material itself serves as the heating element through its magnetic properties. When exposed to a variable magnetic field, the ferromagnetic material generates heat internally through magnetic hysteresis, eliminating the need for external heating devices. This self-heating mechanism directly addresses the temperature control need while avoiding additional system complexity.
Solution Approach 2:
The patent replaces traditional mechanical or thermal heat exchange structures with a magnetic field-based heating system. By using electromagnetic induction and magnetic hysteresis effects, the system achieves temperature control without physical contact or complex thermal management infrastructure, thereby reducing device complexity while maintaining temperature control capability.
2Loss of energy
If additives are added to increase thermal conductivity of solid hydrogen storage material, then thermal conductivity is improved, but hydrogen storage capacity decreases
Solution Approach 1:
The ferromagnetic solid hydrogen storage material generates heat internally through magnetic hysteresis when exposed to a variable magnetic field. This self-heating mechanism eliminates the need for thermal conductivity enhancements, as the heat is generated directly within the storage material rather than being transferred from external sources. Consequently, hydrogen storage capacity is maximized without requiring thermal conductivity additives.
Solution Approach 2:
The patent changes the fundamental mechanism of heat generation from thermal conduction to magnetic hysteresis heating. By utilizing the magnetic properties of the solid hydrogen storage material and applying a variable magnetic field, the system achieves effective thermal management through parameter change (from thermal conductivity dependence to magnetic field dependence), thereby avoiding the need for thermal conductivity additives that would reduce hydrogen storage capacity.
3Power
If traditional heating devices are used to heat solid hydrogen storage material, then heating capability is improved, but device complexity and thermal conductivity requirements increase
Solution Approach 1:
The solid hydrogen storage material with ferromagnetic properties serves as its own heating device. When a variable magnetic field is applied, the material generates heat internally through magnetic hysteresis losses, providing effective heating capability without requiring external heating devices. This eliminates the need for separate heating systems and reduces overall device complexity while maintaining strong heating capability.
Solution Approach 2:
The patent replaces traditional mechanical heating devices with an electromagnetic field-based heating system. By utilizing magnetic hysteresis and eddy current effects induced by a variable magnetic field, the system achieves efficient heating of the solid hydrogen storage material without physical contact or complex thermal management infrastructure, thereby reducing device complexity while maintaining heating capability.
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 system achieves uniform temperature control and increased hydrogen storage capacity by contactless heating, simplifying the design and expanding application fields with improved hydrogen discharge efficiency.
Implementation Method 1
a coil disposed in the storage container and configured to apply a variable magnetic field to the storages accommodated in the storage container
Implementation Method 2
first storages including the solid hydrogen storage materials including ferromagnetic elements
Implementation Method 3
the technology for chemically storing hydrogen by means of interatomic bonding between hydrogen and a solid substance
Data Source
AI summary
A storage system for storing solid hydrogen includes: a plurality of storages including two or more types of solid hydrogen storage materials having different magnetic intensities; a storage container configured to accommodate the storages; and a coil disposed inside the storage container and configured to apply a variable magnetic field to the storages accommodated in the storage container.