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After a short overview on the co-intercalation into graphite of light alkali metals--lithium and sodium--with a third element, novel results concerning the co-intercalation of these alkali metals with an alkaline earth metal are given. The intercalation into graphite of lithium together with magnesium, calcium, strontium and barium is investigated, and the reaction products are described and characterised...
Lithium is able to intercalate into graphite leading to various binary graphite intercalation compounds, that are well defined by their stage. Concerning the ternaries, there is little literature on the subject. Thermodynamical and structural data, that differ largely from those of the other alkali metals, lead one to foresee some serious difficulties in synthesising such ternary compounds. Many experiments...
Le premier compose d'intercalation du graphite associant le lithium a un tiers element metallique a ete prepare en immergeant un echantillon de pyrographite dans un alliage Ca-Li liquide tres pur. Le ternaire graphite-lithium-calcium ainsi obtenu est un compose de premier stade dont la distance interplanaire s'eleve a 776 pm. Dans cette phase, qui presente un eclat metallique et une tres grande durete,...
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