Figure 5
From: Nitrogen-doped hollow carbon sphere composite Mn3O4 as an advanced host for lithium-sulfur battery

(a–d) TEM diagram of NPCS/Mn3O4.
From: Nitrogen-doped hollow carbon sphere composite Mn3O4 as an advanced host for lithium-sulfur battery

(a–d) TEM diagram of NPCS/Mn3O4.