Comparison between vanadium electric energy storage and household energy storage

Are vanadium redox flow batteries the future of home storage?

For the latter, small scale home storage is a completely new application. Currently, the lithium battery (LiB) dominates the home storage market, but also lead-acid systems hold large shares in the expanding market . However, the vanadium redox flow batteries (VRFBs) have some advantages that could make them a serious competitor.

What are the disadvantages of vanadium battery?

Disadvantages of vanadium battery The low energy density of vanadium batteries is a major disadvantage. Comparison vanadium battery vs lithium, due to the relatively large molecular mass of vanadium, the energy density of vanadium battery is only 12-40Wh/kg, which is only one tenth of that of lithium battery.

What is the difference between vanadium and lithium batteries?

However, vanadium batteries are much larger than lithium batteries. The power unit and capacity unit of vanadium battery are independent decoupling design, which has strong capacity expansion and modular design, which is more conducive to realizing large-scale and low-cost long-term energy storage.

Is it safe to use a vanadium battery?

Since the electrolyte matrix of the vanadium battery adopts an aqueous solution, there is no solid-phase reaction during use, so there is no risk of fire and explosion. Moreover, overcharging and overdischarging will only cause the electrolysis of water, and safe use can be guaranteed by discharging the generated hydrogen in time.