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(FeCr) are some of the prominent chemistries that has been commercialized. Off all the above chemistry, Vanadium is the most mature and proven technology. Globally, about 1 GWh of vanadium batteries have been deployed till date (details attached in Annex A). V-Flow tech was setup on a fundamental to deliver a cost effective, reliable, safe and sustainable energy storage solution for renewables. For the same reason, V-Flow tech selected Vanadium as a preferred chemistry for flow battery. Vanadium outperforms other flow chemistry in terms of stable performance (no capacity loss), safety and infinite life of electrolyte. Some of the key advantages of Vanadium redox flow battery compared to other technology are listed below: v VRB uses same vanadium metal ions in both tanks, therefore there is no detrimental effect by the cross contamination. This results in stable capacity over lifetime. Other flow battery suffers a lot by cross contamination. v Electrolyte does not degrade and is 100% reusable after the shelf life of battery. This has about 25% value of the battery. v Stack components are made of graphite/carbon and do not consume and electrolyte during charge/discharge cycle which allows the stack performance to be stable for long time. v There are no harmful gases released during operation compared to other chemistry (ZnBr2 has risk of bromine gas release, mixed acid vanadium has risk of chlorine gas release, etc.) v Round trip efficiency is relatively higher compared to other chemistry (all iron, zinc bromide, etc.) v Minimum maintenance is required, and all materials used in battery are recyclable/reusable. Traditionally, Vanadium redox flow batteries suffers from the precipitation of Vanadium (V5) at higher temperature and low efficiency compared to semi-solid-state chemistry like Li-ion. V-Flow tech has precisely worked on these problems and resolved it. V- Flow tech has specific IPs which makes our VRB much superior to other competing technology (Detailed comparison attached in Annex B). Some of the key advantage of V-Flow tech are as listed below: v Increased operating temperature -10 °C to 60 °C without active cooling. Usual operation range is -10°C to 40 °C. v Highest stack efficiency > 85%, others are 75-80 %. This helps us to be cheaper and compact. v Minimal parasitic losses (developed a method to reduce pump power to very low, automatic capacity rebalancing approach. v No halide chemistry, environment friendly. v Smart and Intuitive battery with efficient use of IOT and propriety algorithm.PDF Image | Vanadium Redox Flow Batteries for Mass Scale Energy
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Salgenx Redox Flow Battery Technology: Salt water flow battery technology with low cost and great energy density that can be used for power storage and thermal storage. Let us de-risk your production using our license. Our aqueous flow battery is less cost than Tesla Megapack and available faster. Redox flow battery. No membrane needed like with Vanadium, or Bromine. Salgenx flow battery
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