
Lithium iron phosphate is an inorganic grey-black coloured compound which is insoluble in water.it is widely used to make lithium-ion batteries because of its good electrochemical performance and lower resistance..

Redox flow batteries (RFBs) are an emerging technology suitable for grid electricity storage. The vanadium redox flow battery (VRFB) has been one of the most widely researched and commercialized RFB syst.