fig4
From: Non-aqueous rechargeable aluminum-ion batteries (RABs): recent progress and future perspectives
Figure 4. SEM images of graphene with hierarchical structures of (A) Mn oxides – multilayer spheres, (B) nanorods and nanowires, (C) nanowires, (D) graphene oxide, (E) LSV curves, and (F) galvanostatic discharge curves at 30 mAcm-2. Reproduced with permission ref.[90] copyright 2023 Elsevier.
