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Hydrate energy storage device and method based on metal-organic frameworks

A metal-organic framework and energy storage device technology, applied in container discharge methods, container filling methods, mechanical equipment, etc., can solve the problems of insufficient composition and surface functionality, lack of structural diversity, etc., and achieve safe and efficient storage and transport and utilization, optimize performance, and promote rapid production or decomposition effects

Active Publication Date: 2018-06-01
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently commonly used silicon-based materials lack structural diversity, and are insufficient in composition and surface functionality.

Method used

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  • Hydrate energy storage device and method based on metal-organic frameworks
  • Hydrate energy storage device and method based on metal-organic frameworks

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Embodiment Construction

[0015] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0016] figure 1 It is a structural diagram of a hydrate-based energy storage device based on metal-organic framework materials. The device consists of an end cap, a sleeve, a multilayer structure containing metal organic framework materials and a filter. The end cap and the sleeve constitute a high-pressure reaction vessel, and a multi-layer structure containing metal-organic framework materials is placed in the middle for the formation and decomposition of hydrates; a filter is installed at the gas outlet to ensure the purity of the gas.

[0017] A hydrate-based energy storage method based on metal-organic framework materials, the steps are as follows:

[0018] (1) Fill the metal-organic framework material 5 wetted with deionized water into the multilayer structure 6, and place the multilayer structure 6 in an au...

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Abstract

The invention belongs to the technical field of hydrate application, and provides a hydrate energy storage device and a method based on metal-organic frameworks. The metal-organic frameworks are usedas porous media for generating hydrate, so that holes which are close to the size of unit cells of the hydrate can be supplied, the contact area between components is increased, the temperature and pressure condition required for generating the hydrate are reduced, and the hydrate is generated within short induction time in mild temperature and pressure conditions; the processes of storing gas andreleasing gas are reversible, and the modular structure can be recycled. A multilayer modular structure is used, so that the metal-organic frameworks are fully filled, the space in a reaction vesselis effectively used for storing natural gas and hydrogen gas, and the gas storing and releasing performance of the device is optimized. When the hydrate is decomposed, heat is released by stored ammonia, so that heat required for hydrate decomposition is supplied, and the hydrate decomposition is promoted so as to release gas. Porous medium materials are separated from gas molecules by a filter device, so that the gas purity is guaranteed, and the problem of easiness in blockage of a gas outlet by the porous media is solved.

Description

technical field [0001] The invention belongs to the technical field of hydrate application, and relates to a hydrate-based energy storage device and method based on metal-organic framework materials. Background technique [0002] Traditional fossil energy such as coal and petroleum cannot meet the growing energy demand of human beings, and their massive consumption also brings a series of environmental problems such as air pollution and greenhouse effect. Due to its high hydrogen-carbon ratio, natural gas is relatively clean and has the advantages of high energy density. Natural gas hydrate is widely distributed in the world and has huge reserves. It is regarded as a potential energy source with great development prospects by many countries in the world, and its effective development and utilization has attracted widespread attention. [0003] Because the decomposition of natural gas hydrate per unit volume can release a large amount of natural gas, natural gas hydrate is r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C11/00F17C5/00F17C7/00F17C13/04
CPCF17C5/00F17C7/00F17C11/00F17C13/04Y02E60/32
Inventor 宋永臣孙荣徽杨明军蒋兰兰刘卫国刘瑜
Owner DALIAN UNIV OF TECH
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