The all-vanadium redox flow battery (VRFB) is a large-scale energy storage systems
2022-04-28
The all-vanadium redox flow battery (VRFB) is emerging as a promising technology for large-scale energy storage systems due to its scalability and flexibility, high round-trip efficiency, long durability, and little environmental impact.
VRFB's main advantages:
no limit on energy capacity
can remain discharged indefinitely without damage
mixing electrolytes causes no permanent damage
single charge state across the electrolytes avoids capacity degradation
safe, non-flammable aqueous electrolyte;
wide operating temperature range including passive cooling
long charge/discharge cycle lives: 15,000-20,000 cycles.
low levelized cost: (a few tens of cents), approaching the $0.05 targets stated by the US Department of Energy and the European Commission Strategic Energy Technology Plan (€0.05), respectively.
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