Intercalation of Lithium Into Graphite as the First Step to Produce Carbon Nano-Tubes in an Electrochemical Way

J. Sytchev; N. Borisenko; György Kaptay

doi:10.4028/www.scientific.net/MSF.473-474.147

Paper Titles

Formation and Characterization of Electric Contacts on CVD Diamond Films Prepared by Ion Implantation
p.123

Experimental Investigations of the Al 6082 Alloy Subjected to Equal-Channel Angular Pressing
p.129

Some Experiences of Tribological, Microstructural and Mechanical Investigation of Post Heat Treated SiAlON Ceramics
p.135

Carbon Nanotubes – on the Eve of Success?
p.141

Intercalation of Lithium Into Graphite as the First Step to Produce Carbon Nano-Tubes in an Electrochemical Way
p.147

Border Surface Changes on the Edge of the Castings with Nodular Graphite
p.153

Copper Coating by Electroless Process for Aluminium Matrix Composite
p.159

Modelling of Filtration of Aluminium Melt Through Porous Pressed Filtering Sheets
p.165

Producing of Singlecrystal from Heusler Alloy
p.171

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Intercalation of Lithium Into Graphite as the First Step to Produce Carbon Nano-Tubes in an Electrochemical Way

Abstract:

The mechanism of lithium electrochemical reduction from its molten chloride at two different electrodes – glassy carbon and graphite – has been investigated by the cyclic voltammetry method in terms of so-called ‘thermodynamic’ or ‘material balance’ reversibility. It has been shown that the adsorption of lithium on glassy carbon and graphite plays an important role in the overall process of reduction, especially at polarization rates below 1 V/s. Lithium intercalation, probably due to small lithium atomic radius, practically does not have influence on the reversibility at these polarization rates. The process of lithium deposition on the electrodes used may be complicated by the dissolution of lithium in the melt in the whole range of polarization rates applied.