Co0.85Se particles encapsulated in the inner wall of nitrogen-doped carbon matrix nanotubes with rational interfacial bonds for high-performance lithium-ion batteries

The Co 0.85 Se@NCMT anode with both Co–N/C and Se–C bonds is prepared for LIBs via a safe and efficient self-generated sacrificial template method, exhibiting a high capacity, good rate performance and excellent cycling stability.