Method and system for integrating compressed air thermochemical process and fuel cell energy storage hydrogen production

A fuel cell and compressed air technology, applied in the direction of fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve the problems of limiting the energy efficiency of the overall system and low efficiency of power generation technology, so as to improve energy efficiency and reduce investment costs and floor area, and the effect of increasing power generation

Active Publication Date: 2022-01-18
XI AN JIAOTONG UNIV
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Among the current electrical energy storage technologies, compressed air energy storage is considered to be one of the most promising technologies due to its high reliability, long life, and low cost; Less efficient, limiting overall system energy efficiency

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  • Method and system for integrating compressed air thermochemical process and fuel cell energy storage hydrogen production
  • Method and system for integrating compressed air thermochemical process and fuel cell energy storage hydrogen production
  • Method and system for integrating compressed air thermochemical process and fuel cell energy storage hydrogen production

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] In the description of the present invention, it should be understood that the terms "comprising" and "comprising" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or more other features, Presence or addition of wholes, steps, operations, elements, components and / or collections thereof.

[0041] It should also be understood that the terminology used in the descriptio...

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Abstract

The invention discloses a method and a system for integrating a compressed air thermochemical process and fuel cell energy storage hydrogen production. In an energy storage stage, compressed air is coupled with a heat absorption type chemical reaction, so that not only is the mixed storage of physical/chemical energy realized, but also the energy grade of compression heat can be improved; in an energy release stage, a solid oxide fuel cell-turbine system matched with compressed air energy storage pressure is adopted, and stored chemical energy and pressure energy are efficiently converted into electric energy; and in the energy storage stage and the energy release stage, hydrogen serves as an energy carrier to achieve conversion from low-grade heat energy to high-grade chemical energy, and the energy utilization efficiency of the system is improved while the energy storage and hydrogen production integrated application mode is achieved.

Description

technical field [0001] The invention belongs to the technical field of energy storage hydrogen production, and in particular relates to a hydrogen production method and system integrating compressed air thermochemical process and fuel cell energy storage hydrogen production. Background technique [0002] With the increasing depletion of fossil energy worldwide, as well as increasingly serious environmental pollution and ecological damage, vigorously developing renewable energy technologies and efficient use of fossil energy are effective ways to achieve the goal of "carbon peaking and carbon neutrality". However, the intermittent and non-dispatchable nature of renewable energy has brought great challenges to its grid connection, which has led to a large reduction in renewable energy. In order to ensure a high penetration rate of renewable energy and at the same time solve the problem of grid fluctuations, electric energy storage technology during off-peak hours and power gen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04007H01M8/04082H01M8/04089
CPCH01M8/04089H01M8/04067H01M8/04007H01M8/04082H01M8/04059Y02E60/50Y02P20/133
Inventor 席光仲理科姚尔人胡杨邹瀚森
Owner XI AN JIAOTONG UNIV
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