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On-site sodium metal production with electrolysis by offshore wind or solar cell power generation for hydrogen generation

Published online by Cambridge University Press:  31 January 2011

Masataka Murahara ,
Kazuichi Seki ,
Yuji Sato  and
Etsuo Fujiwara
Masataka Murahara
Affiliation:
[email protected]
Kazuichi Seki
Affiliation:
[email protected], Tokai University, Institute of Science, Hiratsuka-shi, Kanagawa-ken, Japan
Yuji Sato
Affiliation:
[email protected], Tokyo Institute of Thechnology, Innovation Propellant Department, O-okayama, Japan
Etsuo Fujiwara
Affiliation:
[email protected], University of Hyogo, Electrical Engineering and Computer Science, Himeji, Hyogo, Japan
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Abstract

Sodium metal reacts with water explosively to generate hydrogen. Therefore, sodium metal can have an important role as a hydrogen storage material. Seawater contains water most and sodium second. Seawater is electrolyzed by offshore wind or solar cell power generation to produce sodium; which is transported to a thermoelectric power plant on land and then is reacted with water to produce hydrogen for electric power generation. Sodium hydroxide, a by-product, is used as a raw material for soda industries. In the sodium production process, many by-products such as fresh water, magnesium, sodium hydroxide, hydrochloric acid, and sulfuric acid are produced. Thus, sodium metal is an economical, renewable, and sustainable fuel that discharges neither CO2 nor radioactivity.

Keywords

energy storageNaH
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1216: Symposium W – Hydrogen Storage Materials , 2009 , 1216-W03-35
Copyright
Copyright © Materials Research Society 2010

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References

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3 Murahara, M. and Seki, K., IEEE Energy 2030 Conference, Nov. 2008, IEEE, ISBN: 978-1-4244-2850-2, INSPEC Accession No.: 10472272, (2009).Google Scholar