SULFUR-LOADED CONDUCTIVE POLYMER FOR HIGH ENERGY DENSITY LITHIUM SULFIDE BATTERY
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Apr 25, 2022
filing date -
Apr 23, 2021
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Abstract
Methods of making a cathode active material, including steps of: a) mixing a conductive polymer, a nitrogen containing polymer or a combination of a conductive polymer and a nitrogen-containing polymer with sulfur in the presence of a solvent to form a mixture, using a weight ratio of the conductive polymer and/or nitrogen containing polymer to the sulfur of from about 1:2 to about 1:8; and b) heating the mixture to a temperature of from about 250#C to about 400#C under a pressure of from about 0.05 bar to about 2.0 bar to form the cathode active material. A cathode active material formed by the method and cells and batteries employing the cathode active material.
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