Application of vanadium and magnesium in energy storage

Are vanadium-based oxides a good electrode material for energy storage?

As one group of promising high-capacity and low-cost electrode materials, vanadium-based oxides have exhibited an quite attractive electrochemical performance for energy storage applications in many novel works. However, their systematic reviews are quite limited, which is disadvantageous to their further development.

Is vanadium sulfide a good cathode material for magnesium storage?

The different structural features of these two vanadium sulfides lead to completely different physicochemical and electrochemical properties [53, 54]. Generally speaking, vanadium sulfide is considered to be a promising cathode material for magnesium storage.

What are the valences of vanadium-based oxides in energy storage?

Schematic diagram of research progress and possible promising future trends of vanadium-based oxides in energy storage. Vanadium-based oxides possess multiple valence states. To our best knowledge, the valences of vanadium-based oxides that can be applied in LIBs is mainly between +5 and +3. They can be divided into vanadium oxides and vanadate.

Are vanadium-based cathode materials a hotspot in electrochemical energy storage?

Vanadium-based cathode materials have been a research hotspot in the field of electrochemical energy storage in recent decades.

Can Mg-bearing vanadium-based materials be used as anode materials?

Based on the potential difference with the counter cathode, Mg-bearing vanadium-based materials can also be utilized as anode materials for RMBs, which can be obtained by either original synthesis or phase conversion during the initial charging process.

What are the performance refinement strategies of vanadium-based electrodes?

Performance refinement strategies of vanadium-based electrodes are summarized. Promising development directions of vanadium-based electrodes are proposed. Rechargeable magnesium batteries (RMBs) are one of the most promising next-generation energy storage devices due to their high safety and low cost.