New flow battery technology
May 19 , 2023
584 days
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- Indian Institute of Technology of Madras have developed a ‘non-aqueous all-organic redox flow battery’ (NORFB).
- They have developed a new type of electrolyte using ‘pyrylium salts’, which are a class of organic chemicals.
- With suitable structural modifications these chemicals allow high-voltage operation, namely they can store more energy.
- The electrolyte is designed to carry more current density as well as voltage.
- Conventional flow batteries feature aqueous (water-based) electrolytes like hydrochloric acid, sulphuric acid, and alkali metal hydroxides.
- Water in the electrolyte undergoes electrolysis, reducing the operating voltage limit and energy density.
- The presence of water leads to corrosion of battery components, diminishing their lifespan and performance.
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