The homogeneously distributed Fe–N–C active sites of TCPC/Fe–N–C synthesized through CO2 conversion and ammonia solution treatment enable thermodynamically favorable energy reduction for lithium sulfide conversion and Li-ion transport.
This study introduces
high-temperature antioxidative carbon nanotubes
(CNTs) derived from carbon dioxide (CO2). The individual
CNT is coated by an amorphous boron layer that acts as a protection
layer for carbon networks. It has a remarkable stability on thermal
oxidation and provides a remarkable electrical conductivity of 4 S
cm–1 at 1000 °C, while conventional carbon-based
materials, including commercial CNTs, cannot maintain electrical properties
because of oxidation below 400 °C. Thus, the novel atmospheric
CO2-based chemical vapor decomposition route can contribute
to the applications of carbon-based material in high-temperature oxidation
conditions such as a solid oxide fuel cell.
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