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The influence of various types of perfluorinated surfactants and their analogous hydrocarbon chain surfactants on the electrochemical behaviour of a lead electrode in sulfuric acid is studied by linear sweep voltammetry and cyclic voltammetry. The hydrogen evolution reaction is affected mainly by the type of the hydrophobic chain of the added surfactant (perfluorinated or hydrogenated). Nevertheless,...
The anodic performance of soft carbons prepared from synthetic mesophase pitches by heat-treatment at 500 to 1200 o C are investigated in order to clarify their mechanism for the insertion of lithium ions. It is found that the insertion mechanism for soft carbon heat-treated at low temperatures is divided into the following three cases: (i) lithium ions partially charge transferred on the...
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