• Question: What salt has been closest to being able to store energy?

    Asked by anon-240300 to Elspeth on 9 Mar 2020.
    • Photo: Elspeth Keating

      Elspeth Keating answered on 9 Mar 2020: last edited 9 Mar 2020 3:07 pm

      I’ve never worked in this area – however, this is what I have found so far which are salts widely used in the industry, in summary

      sodium nitrate (NaNO3) and potassium nitrate (KNO3),

      or

      HITEC (53 wt% KNO3 – 40 wt% Sodium Nitrite (NaNO2) – 7 wt% NaNO3)

      https://www.nature.com/articles/s41598-018-26537-8

      You could ask Emily, I think she’s in this field!

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