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Reaction Products in the Combustion of the High Energy Density Storage Material Lithium with Carbon Dioxide and Nitrogen

Published online by Cambridge University Press:  14 March 2014

Renate Kellermann ,
Dan Taroata ,
Martin Schiemann ,
Helmut Eckert ,
Peter Fischer ,
Viktor Scherer ,
Rainer Hock  and
Guenter Schmid
Renate Kellermann
Affiliation:
Siemens AG, Corporate Technology – Materials for Imaging and Energy Conversion, Erlangen, Germany Department of Energy Plant Technology, Ruhr University of Bochum, Bochum, Germany
Dan Taroata
Affiliation:
Siemens AG, Corporate Technology – Materials for Imaging and Energy Conversion, Erlangen, Germany
Martin Schiemann
Affiliation:
Department of Energy Plant Technology, Ruhr University of Bochum, Bochum, Germany
Helmut Eckert
Affiliation:
Siemens AG, Corporate Technology – Materials for Imaging and Energy Conversion, Erlangen, Germany
Peter Fischer
Affiliation:
Siemens AG, Corporate Technology – Materials for Imaging and Energy Conversion, Erlangen, Germany Department of Energy Plant Technology, Ruhr University of Bochum, Bochum, Germany
Viktor Scherer
Affiliation:
Department of Energy Plant Technology, Ruhr University of Bochum, Bochum, Germany
Rainer Hock
Affiliation:
Chair for Crystallography and Structural Physics, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
Guenter Schmid
Affiliation:
Siemens AG, Corporate Technology – Materials for Imaging and Energy Conversion, Erlangen, Germany
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Abstract

In this work, electrochemically recyclable lithium is analyzed as high energy density, large scale storage material for stranded renewable energy in a closed loop. The strongly exothermic reaction of lithium with carbon dioxide (CO2) yields thermal energy directly comparable to the combustion of coal or methane in an oxygen containing atmosphere. The thermal level of the reaction is sufficient for re-electrification in a thermal power plant compatible process.

The reaction of single lithium particles, avoiding particle-particle interactions, is compared to the combustion of atomized lithium spray in a CO2 containing atmosphere. Particle temperatures of up to 4000K were found for the reaction of single lithium particles in a CO2, nitrogen (N2), oxygen (O2) and steam gas mixture. Furthermore the combustion of atomized lithium spray in both dry CO2 atmosphere and CO2/steam gas mixture was analyzed. The identified solid reaction products are lithium carbonate, lithium oxide and lithium hydroxide. The formation of carbon monoxide (CO) as gaseous reaction product is demonstrated. Carbon monoxide is a valuable by-product, which could be converted to methanol or gasoline using hydrogen.

Keywords

chemical reactionenergy storageLi

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Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1644: Symposium DD – Materials and Technologies for Grid-Scale Energy Storage , 2014 , mrsf13-1644-dd07-02
Copyright
Copyright © Materials Research Society 2014 

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References

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