Daily News Analysis

Sodium-ion battery packs

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Sodium-ion battery packs 

  1. Na-ion cells offers an efficient alternative to lithium-ion phosphate (LFP) as the latter has disadvantage over lithium and other battery raw material prices.
  2. The three main Na-ion cathode type that uses low-cost materials than Li-ion cathodes.
    1. Prussian white
    2. layered oxide
    3. polyanion

Therefore, Na-ion is expected to be at least 20% cheaper than LFP

  1. Na-ion has lower energy density and insufficient charge-discharge cycles compared to Li-ion ones, but is much safer and perform better in a wide operational temperature range. 
  2. However, greater cell and pack material costs could result in Na-ion being more costly.
  3. It is a type of rechargeable battery and it replaces lithium with sodium as the cathode material.
  4. The largest advantage of sodium-ion batteries is the natural abundance of sodium which can be readily harvested from saltwater

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