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New sodium ion battery stores twice the energy and desalinates seawater
(www.sciencedaily.com)
This is a most excellent place for technology news and articles.
This is the part that annoys me. The nominal voltage could vary between different batteries. 200Ah/g means different capacity for a 6v battery verses a 48v battery. I'm guessing battery scientists are using standardized nominal voltages for these tests or are seeing the same Ah/g capacity at different voltages (that I may have simply missed in the paper because I skimmed it and I don't claim any deeper knowledge on battery research)