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Renewable energy operated hydrogen reforming system

a hydrogen reforming and renewable energy technology, applied in the direction of combustible gas production, sustainable manufacturing/processing, greenhouse gas reduction, etc., can solve the problems of high cost of hydrogen fuel storage and transportation, lack of cost-effective hydrogen storage and transportation,

Inactive Publication Date: 2006-09-21
ZTEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010] According to yet another aspect of the invention, a hydrogen production system comprising a reformer, an electrolyser, one or more compressors, one or more renewable energy sources and one or more storage devices is provided. The reformer produces hydrogen from a hydrocarbon fuel. The electrolyser produces a

Problems solved by technology

However, the lack of cost-effective hydrogen storage and transport particularly for an onboard vehicular system, is a major impediment to its widespread use.
However, hydrogen production using electricity by electrolysis is expensive.
The storage of hydrogen fuel also poses many problems.
The requirement of additional energy for storage reduces the efficiency and effectiveness of producing and storing hydrogen.

Method used

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Embodiment Construction

[0014] The present invention provides an efficient, low cost hydrogen production system that utilizes renewable energy sources. The invention will be described below relative to an illustrative embodiment. Those skilled in the art will appreciate that the present invention may be implemented in a number of different applications and embodiments and is not specifically limited in its application to the particular embodiment depicted herein.

[0015] As used herein, the term “renewable source” or “renewable energy source” refers to any energy source with a natural replenishment rate that augments its own stock (or biomass) at a non-negligible rate. Renewable resources are generally capable of being replenished at least as fast as the renewable resource is used, although this need not be the case. Renewable sources include, but are not limited to, wind, solar energy, geothermal energy, biomass, waste, wave energy and hydro energy. In contrast, nonrenewable energy sources draw on finite r...

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Abstract

An application applying mixed use of conventional hydrocarbon fuel with renewable energy sources for hydrogen production presents an optimal balance between economics and environmental benefits for any long-range implementations. A hydrogen production system incorporates the use of electricity from renewable sources in hydrogen reforming plants for various functions to achieve better environmental performance. The hydrogen production system includes the compression of hydrogen for high-pressure storage and an electrical heating supply for an endothermic reforming process of producing hydrogen from an input fuel. The compressed hydrogen, produced using renewable energy sources, also provides a means of stored mechanical energy, Another hydrogen production system utilizes a conventional chemical reforming process to provide leveled hydrogen generation together with electrolysis from the fluctuating renewable energy sources, which also provides low cost hydrogen generation, good environmental performance and commercial dependability.

Description

RELATED APPLICATIONS [0001] The present invention claims priority to U.S. Provisional Patent Application Serial Number 60 / 449,131 entitled “RENEWABLE ENERGY OPERATED HYDROGEN PRODUCTION SYSTEM”, filed Feb. 21, 2003 and U.S. Provisional Patent Application Ser. No. 60 / 445,485 entitled “RENEWABLE ENERGY OPERATED HYDROGEN PRODUCTION SYSTEM”, filed Feb. 6, 2003, the contents of which are herein incorporated by reference.FIELD OF THE INVENTION [0002] The present invention relates to a hydrogen reforming plant for producing hydrogen. More particularly, the present invention relates to a hydrogen production plant that utilizes a renewable energy source for hydrogen compression and energy storage. BACKGROUND OF THE INVENTION [0003] Hydrogen is an ideal candidate for replacing fossil fuel because it can be readily made available from domestic renewable resources. Hydrogen is also nonpolluting, storable, transportable and clean, making it a valuable fuel. However, the lack of cost-effective hy...

Claims

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Application Information

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IPC IPC(8): C10J3/68C10J1/207B01J8/06B01J19/24C01BC01B3/00C01B3/02C01B3/34C01B3/38
CPCB01J8/062Y02E60/324B01J2208/00504B01J2208/022B01J2219/2481C01B3/342C01B3/38C01B2203/0233C01B2203/066C01B2203/0861C01B2203/1058C01B2203/1241C01B2203/84C01B2203/86H01M8/04208H01M8/0618Y02E60/50Y02E70/20B01J19/249Y02P20/133Y02P30/00Y02E60/32
Inventor HSU, MICHAEL S.
Owner ZTEK
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