potassium 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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]]> https://www.greenoptimistic.com/potassium-cheap-energy-storage/feed/ 2 56937 Unexpected Discovery Brings Three Times More Solar Power https://www.greenoptimistic.com/titanium-nanotubes-potassium-solar-cell-20090427/ https://www.greenoptimistic.com/titanium-nanotubes-potassium-solar-cell-20090427/#comments Mon, 27 Apr 2009 19:52:28 +0000 https://www.greenoptimistic.com/?p=3442 Sometimes, what we get is not what we expect - at all. For example, a team of scientists from Northeastern University and from NIST discovered by mistake how to produce more solar power by using the residue of a process used to build arrays of titania nanotubes. Now, physorg.com interprets this invention through the perspective of better hydrogen production, but improving the solar power capturing ability gives a lot more useful applications than only that of hydrogen production.

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