Rational design of porous Sn nanospheres/N-doped carbon nanofibers as an ultra-stable potassium-ion battery anode material
Keyword(s):
A hybrid of porous Sn nanospheres encapsulated in N-doped carbon nanofiber frameworks (Sn/N-CNFs) was constructed, and the as-fabricated Sn/N-CNFs exhibited a super-long cycle life, outperforming other Sn-based materials.