fig6

Figure 6. (A) Ragone plots of the V₂O₅-180. (B) Stability and Coulombic efficiency of V₂O₅-180 for 7,000 cycles at 1.0 A g^-1. (A and B) Reprinted with permission from^[91]. Copyright 2024, Elsevier; (C) Rate performance at 0.2 A g^-1 with coulombic efficiency of V₂O₅ and V₂O₅-H₂SO₄. (D) Cycling performance of full-battery at 0.2 A g^-1. (C and D) Reprinted with permission from^[92]. Copyright 2025, Elsevier; (E) Cycling durability of LVO and PEO-LVO cathodes at 10 A g^-1. Reprinted with permission from^[93]. Copyright 2024, Wiley; (F) Rate performance of KVP and P-KVP electrode under different current densities ranging from 0.1 to 10 A g^-1. (G) Long-term cycling tests and coulombic efficiency of P-KVP and KVP cathodes in different electrolytes at 0.2 A g^-1. (F and G) Reprinted with permission from^[94]. Copyright 2024, Elsevier. LVO: Pure LiV₃O₈; PEO-LVO: poly(ethylene oxide)-LiV₃O₈ superlattice nanosheets; KVP: pristine K_0.5VOPO₄·1.5H₂O; P-KVP: porous K_0.5VOPO₄·1.5H₂O polyanionic cathode.