Nitrogen--sulfur--carbon nanocomposites and their application as cathode materials in lithium--sulfur batteries

Dai, Sheng; Sun, Xiao-Guang; Guo, Bingkun; Wang, Xiqing; Mayes, Richard T.; Ben, Teng; Qiu, Shilun

Nitrogen--sulfur--carbon nanocomposites and their application as cathode materials in lithium--sulfur batteries

Patent · Tue Sep 27 00:00:00 EDT 2016

OSTI ID:1326795

Dai, Sheng; Sun, Xiao-Guang; Guo, Bingkun; Wang, Xiqing; Mayes, Richard T.; Ben, Teng; Qiu, Shilun

The invention is directed in a first aspect to electron-conducting porous compositions comprising an organic polymer matrix doped with nitrogen atoms and having elemental sulfur dispersed therein, particularly such compositions having an ordered framework structure. The invention is also directed to composites of such S/N-doped electron-conducting porous aromatic framework (PAF) compositions, or composites of an S/N-doped mesoporous carbon composition, which includes the S/N-doped composition in admixture with a binder, and optionally, conductive carbon. The invention is further directed to cathodes for a lithium-sulfur battery in which such composites are incorporated.

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-BATTELLE, LLC (Oak Ridge, TN)

Patent Number(s):: 9,455,439

Application Number:: 13/683,520

OSTI ID:: 1326795

Country of Publication:: United States

Language:: English

References (10)

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