ENERGY STORAGE OPTIONS
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AVESS is the 50% majority shareholder of South Korean VRFB research and development Company KORID Energy Co Ltd, in joint venture with KOSDAQ-listed automation and electronics manufacturer DST Co Ltd. KORID Energy has now matured into a leading VRFB stack technology enabler and innovative stack manufacturer. Our exclusive access to KORID Energy’s intellectual property gifts us with technological advantage as we enter and grow within the Australian and global large-scale energy storage sector.
VRFB TECHNOLOGY
Vanadium Redox Flow: How it works
Vanadium ions innately exist in several different oxidation states and possess the ability to gain (reduction) or lose (oxidation)
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VRFB TECHNOLOGY
VRFB: Why it works
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Scalability
VRFB energy storage systems are extremely scalable.
The energy storage capacity and output of VRFBs can be scaled up either by simply expanding the size of the electrolyte tanks, or by stacking additional modules to each other.
Sustainability
VRFB batteries are 100% recyclable
Vanadium electrolyte undergoes minimal degradation throughout its energy storage life in a VRFB. At battery end-of-life, it can be re-deployed into new VRFB units, or the vanadium can be extracted and re-purposed.
Lifespan
VRFBs have significantly longer lifespans when compared to Lithium-ion energy storage systems.
VRFB are capable of cycling more than 20,000 times over a 20-plus year lifespan with minimal performance degradation. Lithium-ion batteries can expect to see a 50% performance reduction between 500 to 5000 cycles.
VRFB can be left fully charged or completely discharged for extended periods with no effect on future performance.
Safety
Vanadium electrolyte is an acidic, aqueous (water-based) solution and does not contain any organic solvents.
As the concentration of vanadium compounds are very dilute, the electrolyte is essentially non-toxic:
- No dendritic formations that shorten battery lifespan
- No thermal runaway
- No fires and explosions from organic solvents
- No heavy metals and environmental contamination
Abundance
Vanadium is 10x more abundant than lithium.
Vanadium makes up 0.02% of the Earth’s crust – 10 times more than the presence of lithium (0.002%) and once mining projects are developed, Australia is poised to be a top-tier global producer, with the world’s third largest reserves after China and Russia.
Lithium supply is forecasted to be in shortfall by the year 2030, as demand will outstrip supply due to the growth in electric vehicle uptake.
VRFB TECHNOLOGY
Where it works
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