Figure 4
From: Nitrogen-doped hollow carbon sphere composite Mn3O4 as an advanced host for lithium-sulfur battery

(a) SEM diagram of NPCS/Mn3O4; EDX diagram of (b) N, (c) O, (d) Mn.
From: Nitrogen-doped hollow carbon sphere composite Mn3O4 as an advanced host for lithium-sulfur battery
(a) SEM diagram of NPCS/Mn3O4; EDX diagram of (b) N, (c) O, (d) Mn.