Samsung Almost Doubles Li-Ion Battery Capacity – in the Near Future

Dean Sigler Electric Powerplants, Sustainable Aviation 0 Comments

Several sources report on Samsung’s announcement that they have developed a new technology that enables them to coat silicon battery cathodes with high crystal graphene, virtually doubling the capacity of lithium-ion batteries. Of course, Samsung relates this immediately to their popular smartphones and tablets, but the significance of this is not lost on electric vehicle designers.  Doubling the range of EVs “without adding a single pound of weight” would be a true game changer.  But don’t get excited too quickly. Silicon electrodes have been a major research effort for people like Dr. Yi Cui, who spoke at this year’s Electric Aircraft Symposium.  Issue surrounding their successful use have included silicon’s expansion when being charged and contraction when being discharged.  This …

FAA Says “No” To Electric Aircraft Passengers

Dean Sigler Electric Powerplants, Sustainable Aviation 2 Comments

Many voluminous government documents hold single paragraphs of great importance to the affected parties.  In the case of the FAA’s 322-page Draft Policy 8130(H), a few lines will probably spark intense interest in the small but growing electric aircraft community. According to AVWeb.com and verified in Flying magazine, “The FAA is proposing banning passengers from flights in electric-powered aircraft  and ready-to-fly Light Sport aircraft (SLSA) that have been converted to experimental Light Sport (ELSA) aircraft and stopping the aircraft from flying over built up areas or at night.” The Light Aircraft Manufacturer’s Association (LAMA) cites the following and endorses an activist approach to resisting the restrictions: “On page 293 under Clause ‘5. Procedure’ it provides a table by aircraft type for …