This can have a huge impact on costs and range of EV's. Maybe something for Gen 3 Elon? Beginning to Commercialize Lithium Sulfur Batteries which have the potential to have several times the energy density of lithium ion while also being three times cheaper
steven visco, the CEO of polyplus said at a recent conference hosted by Argonne Ntl Labs that he expects to commercialize these lithium metal/flexible poly-ceramic separator/aqueous electrolyte/sulfur cathode in 4 years. i am not convinced but i am a fan of the sulfur cathode. sion power is another company mainly funded by BASF who is trying to develop lithium/sulfur
This Oxis seems like credible company. Especially interesting is their claim that battery can be 100% discharged without problems.
Every battery can be 100% discharged without problems. You just define "empty" at SOC level that is high enough. What counts is Wh/kg and basically nothing else.
Yes, but battery manufacturers report their energy density with 100-0% discharge even though you can't treat Li-ion battery like that if you want it to last. According to Oxis you can use lithium sulfur battery like that. So if we have Li-ion and Li-sulphur batteries with same reported capacity, li-sulphurs real life capacity is larger. Assuming Oxis's claims are true. Technology | Oxis Energy
Oxis claims to have 300 Wh/kg and expects to add 20% in the coming months. I wonder if they already are cooperating with an car manufacturer. http://www.oxisenergy.com/blog/lithium-sulfur-batteries-a-step-closer-for-uk-forces/
They list Li-Ion at 150Wh/kg. Today mass produced LiIon cells already hit ~250Wh/kg. When technology moves out of labs into factories Wh/kg only drops because of casing, terminals, fuses, ... Their announcment of "just under 300Wh/kg" is therefore "nothing really special" beside that they are making progress.
Panasonic 18650B is 250 wh/kg on cell level. IF Oxis is on cell level slightly below 300, it might be better. Or the same.
Over the years we have read many posts regarding promising technologies - but the progress is slow and most never make it past the labs.
http://www.oxisenergy.com/blog/frost-sullivan-recognizes-oxis-energy-with-the-2014-european-frost-sullivan Frost-Sullivan http://en.wikipedia.org/wiki/Frost_%26_Sullivan recognizes Oxis tecnology. http://best-practices.frost-multimedia-wire.com/oxis-energy-ltd This seems legit technology.