Fig. 7
From: l-Cysteine-Assisted Synthesis of Urchin-Like γ-MnS and Its Lithium Storage Properties

SEM image evolution of γ-MnS after charge/discharge for a 60th, b 200th, and c 500th cycles. TEM images of γ-MnS after charge/discharge for d 60th, e 200th, and f 500th cycles