Swatch eyeing entry into batteries

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Michael Russo

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#1
Looks like Swatch think they are still 'in time' to jump on the bandwagon... :D
Note the declared intent of their 51% affiliate Belenos to use vanadium vs. lithium - claims to have advantages (faster charging, lower weight)...
http://www.carscoops.com/2017/01/swatch-developing-advanced-batteries.html?m=1
The article below (2.5 years old though) seems to support this... adding potential cost advantages...
http://www.renewableenergyworld.com...anadium-in-energy-storage-its-no-contest.html
Yet then... why has this been at the forefront of battery development in recent years? I must be missing something... o_O
Thoughts? Insights?
 

Badback

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#2
Looks like Swatch think they are still 'in time' to jump on the bandwagon... :D
Note the declared intent of their 51% affiliate Belenos to use vanadium vs. lithium - claims to have advantages (faster charging, lower weight)...
http://www.carscoops.com/2017/01/swatch-developing-advanced-batteries.html?m=1
The article below (2.5 years old though) seems to support this... adding potential cost advantages...
http://www.renewableenergyworld.com...anadium-in-energy-storage-its-no-contest.html
Yet then... why has this been at the forefront of battery development in recent years? I must be missing something... o_O
Thoughts? Insights?
The problems is that the energy density of flow batteries is significantly less than L-ion.