potassium ion battery Archives – The Green Optimistic green tech news, since 2008 Fri, 09 Oct 2015 14:07:49 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Potassium, Key to Cheap Energy Storage? https://www.greenoptimistic.com/potassium-cheap-energy-storage/ https://www.greenoptimistic.com/potassium-cheap-energy-storage/#comments Fri, 09 Oct 2015 14:07:49 +0000 https://www.greenoptimistic.com/?p=56937 Scientists proved that potassium can serve as a cheap and abundant, highly efficient alternative to lithium in batteries with graphite anode. Lithium ion batteries are currently the core of energy storage. Although alternatives based on sodium and magnesium, have been explored for quite some time, no technology is able to compete just yet. In any normal circumstances […]

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