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Salt as Alternative Energy Material to Fossil Fuel <potential use of sodium metal for hydrogen generation>

Published online by Cambridge University Press:  22 February 2013

Masataka Murahara ,
Yuji Sato  and
Toshio Okawara
Masataka Murahara
Affiliation:
Professor Emeritus of Tokai University, Hiratsuka, Kanagawa, Japan Innovative Research Initiatives, Tokyo Institute of Technology, Tokyo, Japan M Hikari & Energy Laboratory Co., Ltd., Kamakura, Kanagawa, Japan
Yuji Sato
Affiliation:
Institute for Laser Technology, Osaka, Japan
Toshio Okawara
Affiliation:
M Hikari & Energy Laboratory Co., Ltd., Kamakura, Kanagawa, Japan
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Abstract

Salt is the raw material of sodium metal, which reacts with water to produce hydrogen for power generation. Sodium metal is solid matter and its specific gravity is low; therefore, it can be stored or transported for long at room temperature and under atmospheric pressure as oil and coal can. Sodium metal is produced with molten-salt electrolysis from sea salt, lake salt or rock salt, and securely kept immersed in kerosene for preventing it from reacting with air or moisture when transported to a consumer place; where it reacts violently with water to generate a large amount of hydrogen instantly. And sodium hydroxide, which is a reaction residue obtained after the production of hydrogen, is supplied as it is as the raw material of soda industries. Moreover, fresh water, sulfuric acid, hydrochloric acid, sodium hydroxide, and magnesium are generated as by-products in the processes of manufacturing sodium metal and generating hydrogen. Sodium metal can be an alternative energy material for hydrogen combustion power generation, having a far-reaching economic effect.

Keywords

energy generationenergy storageNa
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1492: Symposium D/G – Materials for Sustainable Development—Challenges and Opportunities , 2013 , pp. 189 - 194
Copyright
Copyright © Materials Research Society 2013 

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References

REFERENCES

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