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Energy and Utilities

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A sulfur/carbon composite material was prepared by heat treatment of doped mesoporous carbon and elemental sulfur at a temperature inside a stainless steel vessel, which was used as a cathode in lithium/sulfur batteries that were tested in ionic-liquid electrolytes.

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The use of highly toxic and flammable solvents in the manufacturing of batteries with voltages of higher than 1.3V for applications such as electric drive vehicles and stationary electrochemical energy storage are driving processing approaches to less toxic, aqueous techniques