Composite hydrate solid hydrogen storage system and method

By using a composite hydrate solid-state hydrogen storage system, composite hydrates are generated using a thermodynamic promoter and a micro/nano bubble generator. Combined with a piston-type extrusion device and electrode monitoring, the problems of low hydrogen storage efficiency and insufficient online monitoring are solved, achieving efficient solid-state hydrogen storage and dynamic monitoring.

CN122191449APending Publication Date: 2026-06-12CHINA UNIV OF GEOSCIENCES (WUHAN)
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Patent Information

Application Number
CN202610263911.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-05
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing solid-state hydrogen storage technologies using gas hydrates suffer from low hydrogen storage efficiency and a lack of online monitoring methods.

Method used

A composite hydrate solid hydrogen storage system is adopted, including a reaction vessel, a micro/nano bubble generator, a piston extrusion device, and a monitoring device. The composite hydrate is formed by combining a thermodynamic promoter, micro/nano bubbles, and a piston extrusion device, and online monitoring is performed using electrode components.

Benefits of technology

It improved hydrogen storage efficiency, achieved stable generation and solidification of composite hydrates, enhanced the regeneration capacity of the reaction space, and enabled dynamic monitoring of the phase state within the reactor.

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Abstract

The invention discloses a composite hydrate solid hydrogen storage system and method, the system comprises a reaction kettle, a micro-nano bubble generation device, a piston type extrusion device and a monitoring device, the inner wall of the reaction kettle is coated with a hydrophobic coating, and a thermodynamic accelerant is injected; the micro-nano bubble generating device is used for converting introduced hydrogen into micro-nano bubbles, and the outlet end of the micro-nano bubble generating device is connected with the reaction kettle, so that the micro-nano bubbles are introduced into the reaction kettle and act with a thermodynamic accelerant under the conditions of low temperature and high pressure to form a composite hydrate; the piston type extrusion device scrapes off the composite hydrate attached to the hydrophobic coating and compresses the composite hydrate in the reaction kettle to obtain a solid hydrate hydrogen storage body; the monitoring device comprises a plurality of electrode parts which are arranged in the reaction kettle and are distributed at intervals along the vertical direction, and is used for monitoring the distribution states of a gas phase, a liquid phase and a solid phase in the reaction kettle; the hydrogen storage efficiency is improved, the compactness and hydrogen storage density of hydrate solidification are improved, and the dynamic monitoring of the distribution state of a gas phase, a liquid phase and a solid phase in the reaction kettle is realized.
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