Figure 8
From: Nitrogen-doped hollow carbon sphere composite Mn3O4 as an advanced host for lithium-sulfur battery
(a, b) Rate properties of NHCS/S and NHCS/Mn3O4/S cathodes; (b, c) the first charge and discharge curves of NHCS/S and NHCS/Mn3O4/S cathodes at 0.1 C, 0.2 C, 0.5 C, 1.0 C and 2.0 C; (d) cycle performance and coulomb efficiency at 1.0 C; (f) cycle performance and coulomb efficiency at the sulfur load reaches 4.0 mg cm−2.
