COMPOSITE MADE OF POROUS CARBON AND SULFUR-CONTAINING ACTIVE MATERIAL AS WELL AS METHOD FOR PRODUCING SAME
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Oct 8, 2013
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Oct 11, 2012
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Abstract
The invention relates to a composite made of a porous carbon and an active material containing sulphur and to method for producing same. A method for producing a composite made of a porous carbon structure and sulphur is disclosed, said composite being characterised by a high capacitance and a low capacitance loss, when used as an electrode material for a lithium-sulphur secondary battery. According to the invention, a dispersion of carbon powder, an active material containing sulphur and an aqueous medium are treated hydrothermally at a temperature sufficient for melting sulphur. The liquid phase which forms, which contains the melted sulphur and water, infiltrates the pores of the porous carbon.
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