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The electrochemical reduction of molten Li–Na–K carbonates at the eutectic composition was (43.5/31.5/25mol%) performed in the range 450–700°C. The analysis of the electrochemical mechanism was done by cyclic voltammetry with an inert vitreous carbon electrode. “Quasi-spherical” carbonaceous particles were obtained with average diameter comprised between 30 and 50nm. The specific surface area as well...
The electrochemical reduction of molten Li–Na–K carbonates at 450°C provides “quasi-spherical” carbon nanoparticles with size comprised between 40 and 80 nm (deduced from AFM measurements). XRD analyses performed after washing and heat-treatment at various temperatures have revealed the presence of graphitised and amorphous phases. The d 002 values were close to the ideal one obtained for...
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