graphene ribbons Archives – The Green Optimistic green tech news, since 2008 Tue, 26 Mar 2013 19:28:39 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Vanadium Oxide and Graphene Ribbons Increase EV Battery Lifespan https://www.greenoptimistic.com/vanadium-oxide-graphene-ribbons-ev-battery-lifespan-20130326/ https://www.greenoptimistic.com/vanadium-oxide-graphene-ribbons-ev-battery-lifespan-20130326/#respond Tue, 26 Mar 2013 19:28:38 +0000 https://www.greenoptimistic.com/?p=35355 One concern of electric vehicle owners is battery lifespan, which could cost many thousands of dollars to replace, but a new development by Rice University could increase the lifespan of these expensive components. Rice University researchers have been looking into the electrical and ionic characteristics of vanadium oxide and graphene. While oxides are slow to […]

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