Vanadium ion battery (VIB) for grid-scale energy storage
With the aim to address these challenges, we herein present the vanadium ion battery (VIB), an advanced energy storage technology tailored to meet the stringent demands
Our proprietary vanadium solid-state batteries (VSSB) technology defines a new class of battery energy storage infrastructure, delivering ultra-safe, high-power solutions with a manufacturing model built for rapid global rollout.
In the current energy storage landscape, lithium-ion batteries (LIBs) are the undisputed market leader, primarily due to their high energy density and proven performance in portable electronics and electric vehicles, . However, deploying LIBs for stationary, long-duration, grid-scale applications reveals significant limitations.
Initially, several vanadium compounds were assessed alongside different supporting electrolytes: vanadium trichloride (VCl 3), vanadium pentoxide (V 2 O 5), and vanadyl sulfate (VOSO 4) were evaluated with hydrochloric acid (HCl), sodium hydroxide (NaOH), and sulfuric acid (H 2 SO 4).
The polybenzimidazole (PBI) separator was selected for its ability to suppress vanadium ion crossover, which is critical for achieving high coulombic efficiency in vanadium-based liquid systems.
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