Fine particle composite, method for producing the same,...

B - Operations – Transporting – 01 – J

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Details

B01J 27/045 (2006.01) B01J 27/049 (2006.01) B01J 35/02 (2006.01) B01J 37/10 (2006.01) C01G 39/06 (2006.01) C01G 47/00 (2006.01) C01G 55/00 (2006.01) H01M 4/88 (2006.01) H01M 4/90 (2006.01) H01M 4/96 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2698823

This invention provides a process for producing a fine-particle composite comprising a fine particle of a sulfide or a composite sulfide of one or more elements selected from molybdenum (Mo), rhodium (Rh), ruthenium (Ru), and rhenium (Re) and electroconductive fine particles. The production process comprises the step of preparing a solvent mixed liquid from an electroconductive carbon powder, one or more compounds containing an element selected from molybdenum (Mo), rhodium (Rh), ruthenium (Ru), and rhenium (Re), and a compound containing sulfur (S), and the step of subjecting the solvent mixed liquid to a hydrothermal reaction or a solvothermal reaction at a pressure and a temperature that bring water or the solvent to a supercritical state or a subcritical state.

Cette invention concerne un procédé servant à produire un composite de fines particules comprenant des fines particules d'un sulfure ou d'un sulfure composite d'un ou plusieurs éléments sélectionnés parmi le molybdène (Mo), le rhodium (Rh), le ruthénium (Ru) et le rhénium (Re) et des fines particules électriquement conductrices. Le procédé de production comprend l'étape consistant à préparer un liquide mélangé avec un solvant à partir d'une poudre de carbone électriquement conducteur, d'un ou plusieurs composés contenant un élément sélectionné parmi le molybdène (Mo), le rhodium (Rh), le ruthénium (Ru) et le rhénium (Re) et d'un composé contenant du soufre (S) et l'étape consistant à soumettre le liquide mélangé avec un solvant à une réaction hydrothermale ou à une réaction solvothermale à une pression et une température qui mettent l'eau ou le solvant dans un état supercritique ou un état subcritique.

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