Start-up AR4, Sodion ally to make sodium ion battery packs

  • AR4 Tech, a start-up in Coimbatore, has partnered Sodion Energy of Singapore to make sodium ion battery packs for domestic and export markets.
  • The sodium-ion batteries, developed by Sodion, will be made into battery packs here. AR4 Tech will use the packs to convert existing petroleum vehicles (mainly two-wheelers) into EVs.
  • No quality or safety standards as yet in India for sodium ion battery packs – emerging sector – needs a ‘favourable regulatory environment.’
  • Sodium-ion batteries (SIBs)
    • Expected to be the most attractive economical and sustainable alternatives to lithium-ion batteries (LIBs)
    • the abundant availability and reasonable cost of sodium
    • Sodium-ion batteries in general have lower energy densities than LIB
    • Sodium battery has wider temperature tolerance
    • Easier to store and safer to transport
    • Can be used for light electromobility and large-scale stationary applications
    • More commercially viable for Indian markets

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