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Clean and sustainable hydrogen for fuel cell vehicle and preparation method thereof

A fuel cell and hydrogen technology, applied in fuel cells, electric vehicles, electrical components, etc., can solve the problems of discontinuous geographical distribution, unstable hydrogen, etc., and achieve the effect of ensuring green and sustainable significance

Inactive Publication Date: 2010-07-28
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (2) Hydrogen source problem
Although the direct or indirect use of solar energy to split water to produce hydrogen has long been known, and its current technological progress has shown the feasibility of future industrialization, but the uneven geographical distribution of solar energy and other green energy, as well as the discontinuity and Instability makes hydrogen storage and transportation problem more prominent

Method used

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  • Clean and sustainable hydrogen for fuel cell vehicle and preparation method thereof
  • Clean and sustainable hydrogen for fuel cell vehicle and preparation method thereof

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Effect test

Embodiment 1

[0068] (1) Establish a combined power station based on solar, wind and tidal power generation, and hydropower generation on the coast or on an offshore platform. Part of the solar, wind and tidal power will be used directly for hydrogen production, while the rest will be used for water storage. That is, according to the requirements of hydropower generation, seawater is raised from sea level to a high-level reservoir. The function of the hydropower station is to use the difference between the water storage of the high-level reservoir and the sea level (that is, the water level energy) to generate electricity when the solar energy, wind energy, and tidal energy are insufficient to generate electricity, and to provide supplementary electricity for hydrogen energy production, so that the hydrogen energy production process Continuously and stably; (2) On the coast or on the offshore platform, establish a combined industrial device for electrolyzing water to produce hydrogen (oxyge...

Embodiment 2

[0070] In areas where there is no drop in river water level, a combined power station based on solar and wind energy can be established. A portion of its electricity is used directly for hydrogen production, while the remainder is used for water storage. That is, water is raised from the water surface of rivers and lakes to a high-level reservoir according to the requirements of hydropower generation. The function of the hydropower station is to use the difference between the water storage of high-level reservoirs and the water surface of rivers and lakes to generate electricity when solar and wind power generation is insufficient, and to provide supplementary power for hydrogen energy production, so that the hydrogen energy production process can be carried out continuously and stably; ( 2) On the shores of rivers and lakes, establish a joint industrial device for electrolyzing water to produce hydrogen (oxygen is vented or used as a by-product), air separation to produce nit...

Embodiment 3

[0072] (1) In areas with large river water level drop and abundant hydropower generation capacity, hydropower can be relied on to provide stable energy for hydrogen production; (2) Electrolysis of water to produce hydrogen (oxygen is vented or used as a by-product), air separation system, and air separation system are established on the banks of rivers. Nitrogen (oxygen vented or used as a by-product) and synthetic ammonia joint industrial plant for converting primary hydrogen source water into secondary hydrogen source ammonia. In this process, the green water level can be loaded into the hydrogen, and at the same time, the hydrogen is liquefied and stored in the form of ammonia; (3) the experience of storing and transporting liquid ammonia in the synthetic ammonia industry and the storage and transport of gasoline and retail gasoline in the petroleum refining industry Combining experiences to establish liquid ammonia storage and retail network.

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Abstract

The invention belongs to the technical field of hydrogen energy for a fuel cell vehicle, relating to the technology of clean and sustainable hydrogen energy for a fuel cell vehicle. The invention is characterized in that the invention takes water as the primary hydrogen source and ammonia as the secondary hydrogen source and employs synthesis ammonia to store the hydrogen to provide the fuel cell vehicle with hydrogen through a vehicle-mounted ammonia decomposition device, and in the water decomposition and ammonia synthesis processes for hydrogen energy production, clean and sustainable initial energy sources of solar energy, wind energy, wave energy, tidal energy, water potential energy and geothermal energy are used. In order to overcome the adverse effects caused by change of the intensity of the solar energy, the wind energy, the wave energy and the tidal energy to the water decomposition and ammonia synthesis processes and other hydrogen energy productive process, the invention puts forward a proposal to use one or any combination of solar energy, wind energy, wave energy and tidal energy to generate electrical power, stores part or total of the electrical energy as water potential energy, and then uses the water potential energy to generate electrical energy uninterruptedly.

Description

technical field [0001] The invention belongs to the field of hydrogen energy technology, and relates to a clean and sustainable hydrogen preparation method for fuel cell vehicles. The method uses clean and renewable energy to decompose water to produce hydrogen, and converts the obtained hydrogen into ammonia to realize storage. Hydrogen, which is then released by decomposition of ammonia. Background technique [0002] The increasing depletion of fossil energy such as coal, oil and natural gas, and the harm caused by the direct use of these fossil energy to emit greenhouse gases and environmental pollutants force people to continue to pursue clean energy. It is against this background that the development and application of hydrogen energy has attracted worldwide attention. This is because hydrogen gas can be efficiently converted into electricity at almost normal temperature by utilizing a proton exchange membrane fuel cell (PEMFC). What happens during this conversion is ...

Claims

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Application Information

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IPC IPC(8): C01B3/06H01M8/06B60L11/18H01M8/0606
CPCY02E60/50Y02E60/36Y02P20/133
Inventor 郭洪臣王丽赵越
Owner DALIAN UNIV OF TECH
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