[PSUBS-MAILIST] Lithium Sulfur Batteries

[Marc de Piolenc]

I'm not sure how Li-S cells are supposed to work in small appliances. 
Like all solid-electrolyte cells, they need high temperatures to get 
charge mobility. I guess in the small stuff they just accept low charge 
and discharge rates?

Marc

On 3/1/2014 1:30 PM, Alan James wrote:
> More battery news.
> Researchers have developed a fuel cell that uses sugar, that is 10 x as
> energy dense
> as lithium batteries. So about 40 times as energy dense as lead acid
> batteries.
> They say they may have a product on the market in 3 years.
> http://www.extremetech.com/extreme/175137-sugar-powered-biobattery-has-10-times-the-energy-storage-of-lithium-your-smartphone-might-soon-run-on-enzymes
> Meanwhile "Oxi" in the UK say they will have a company manufacturing
> their lithium sulfur
> batteries in the second half of this year. Not sure if this is just the
> coin sized cells.
> Alan
>
>
> ------------------------------------------------------------------------
> *From:* Alan James <alanlindsayjames at yahoo.com>
> *To:* Personal Submersibles General Discussion
> <personal_submersibles at psubs.org>
> *Sent:* Wednesday, February 26, 2014 10:43 AM
> *Subject:* Re: [PSUBS-MAILIST] Lithium Sulfur Batteries
>
> After a bit more Googling I found these batteries are due to go in to
> scooters this year.
> http://www.enginetechnologyinternational.com/news.php?NewsID=40766
> There are a lot of players investing big money in this technology &
> there are
> predictions of a $100- per kWh price eventually, whereas Lead Acid is
> about $170-.
> Alan
>
> ------------------------------------------------------------------------
> *From:* Alan James <alanlindsayjames at yahoo.com>
> *To:* psubs.org <personal_submersibles at psubs.org>
> *Sent:* Tuesday, February 25, 2014 11:40 AM
> *Subject:* [PSUBS-MAILIST] Lithium Sulfur Batteries
>
> Here are a couple of articles on Lithium Sulfur batteries, that look to
> be developing in to a promising
> battery technology, with twice the energy density of other lithium
> batteries at a cheaper price.
> http://www.scientificamerican.com/article/breakthrough-energy-dense-battery-uses-lithium-and-sulfur/
>
> http://www.gizmag.com/lithium-sulfur-battery-energy-density/29907/
> This could mean air conditioning, larger more powerful motors for speedy
> surface transit,
> & coffee machines on Psubs.
> Found out at the U.I. convention that the Deep Workers have upgraded to
> Lithium technology.
> Alan
>
>
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