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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
Affiliation:
murahara@vesta.ocn.ne.jp
Kazuichi Seki
Affiliation:
kalmond@fusha.org, Tokai University, Institute of Science, Hiratsuka-shi, Kanagawa-ken, Japan
Yuji Sato
Affiliation:
yuzzy99@yahoo.co.jp, Tokyo Institute of Thechnology, Innovation Propellant Department, O-okayama, Japan
Etsuo Fujiwara
Affiliation:
fujiwara@eng.u-hyogo.ac.jp, 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.

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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References

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