Lithium-Sulfide batteries.. could stability advancements nudge lithium ion into second place?

Lithium-Sulfide batteries.. could stability advancements nudge lithium ion into second place?

Research Time!
For you techies and science geeks out there, i'd like to get the juices flowing..

Whats in the way, and how can we do to help move things forward in battery science?

If you're so inclined, please continue reading.. scholarly articles regarding this advancement are available.

Timo | October 6, 2013

This new cathode material, fashioned out of lithium polysulfidophosphates, has a massive capacity of 1,200 milliamp-hours (mAh) per gram after 300 charge/discharge cycles

WOW! That's about what I have read about Si anodes, but this is cathode. Combine those somehow and increase is enormous.

Still lithium-based. I'm not sure what consist of "traditional lithium-ion" anymore.

LiTHIO | October 7, 2013

LSPS / LSS cathode is about lithiated S cathode concept but real results from solid state cells isn´t good.

WOrld best LiS battery is from KAIST where a 1150mAh/g per cathode mass with 81% S loading and after 50x cycles and stability over 1000x cycles. 40C disharge and still about 460mAh/g per total cathode mass. Companies like OXIS energy, SION power, VORBECK materials, NOHMs technologies, BASF, PolyPlus is more business oriented companies so they do not have interest for real progressive LiS technologies other than collection money from investors.

70 Ampere per gram at 40C discharge 460mAh/g with S cathode where a 81% S this outperform all the way EDLC and pseudo-caps

Anyway 700Wh/kg LiS batteries can be produced at mass scale levels 2000GWh per year without using any of patents from those quasi-research companies.

If TESLA want to produce those cells just send email and we can discuss.

Jolinar | October 7, 2013

what would be the cost per kWh? That's what Tesla is targeting the most. Can it be produced for 200$/kWh?

LiTHIO | October 7, 2013

LiS battery can be produces for less than 200$/kWh because a large volumetric/gravimetric energy densities of sulfur and especially a B-monoclinic S which was detected inside a cathode under 20°C.

Anyway the main improvement comes from new type of EAP - electro active polymers from LBNL - FIRST TIME IN HISTORY of Li batteries a Si based anode with MIEC mixed ionic electronic conductivity polymer and exra-ordinary capacity 3800mAh/g over 50cycles at 1C.


Yes, Stanford already proven a DWSiNT but only LBNL EAP has potential for mass scale production.

TESLA has a potential for producing those cells and

Timo | October 7, 2013

Assuming this isn't complete BS, this would be great news indeed. 700Wh/kg would make 100kWh battery weigh only 143kg, and 40C you mentioned would make power also insanely high.

Jolinar | October 7, 2013

price tag of less than 200$/kWh and at least keeping (better improving of course) other parameters of todays batteries would mean endgame for ICE cars :)

price and lifespan is what matters the most, I think.

Jolinar | October 7, 2013

charging with 40C would mean less than 2 minutes charge time and required 4MW power source :D

Brian H | October 8, 2013

And a cable able to carry 4MW. As thick as your wife's thigh.

LiTHIO | October 8, 2013

Anode material with highest charging rate without destruction of nanowire structure - record holder is from Stanford/Cui team - carbon coated and phosphorus doped silicon nanowires (under critical diameters).

Less than 0,5sec to full charge a equivalent of 37600A/gram or 10500C.

KAIST and LBNL hold the key components/products for high energy and cycle life LiS battery nobody else.

Timo | October 8, 2013

100kWh at 10500C would be 1050000kW or 1.05GW. Not quite flux capacitor, but close. About 150 times more power than most powerful nitrodragsters.

Bye, bye ICE muscle cars.

howard333 | October 8, 2013
Caleb is already there, but ignored. What's new? Worlds safest lithium battery and the smallest lightest most powerful also. Holds a charge much longer than the others too.

jkn | October 9, 2013

I'll ignore Caleb, because I didn't find numbers:

? kWh/kg
? kW/kg
? $/kWh