Re: [EVDL] Aluminum battery from Stanford

2015-04-08 Thread Ben Goren via EV
On Apr 8, 2015, at 6:36 AM, tomw via EV wrote: > Nothing in his lab's list of peer-reviewed publications on this topic: > > http://dailab.stanford.edu/pubs.htm My friend was able to get me a copy of the Nature article. The short version...is that I won't be replicating their work at home. Howe

Re: [EVDL] Aluminum battery from Stanford

2015-04-08 Thread tomw via EV
Nothing in his lab's list of peer-reviewed publications on this topic: http://dailab.stanford.edu/pubs.htm -- View this message in context: http://electric-vehicle-discussion-list.413529.n4.nabble.com/Re-Aluminum-battery-from-Stanford-tp4674840p4674876.html Sent from the Electric Vehicle Disc

Re: [EVDL] Aluminum battery from Stanford

2015-04-08 Thread Paul Dove via EV
That's why fast chargers are DC like Chademo. I thought about building one with batteries. Slow charge them while you are asleep or at work and then fast dump them in the car when you need it. Lot of expense for something I only need once in a while. You can buy small ones made from lithium poly

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Apollonio via EV
s of electricity per kilogram compared to lithium's 100 to 206 > W/kg power density." > > Bill > > -Original Message- > From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de Water > via EV > Sent: Tuesday, April 7, 2015 4:29 PM > To: Electric V

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Goren via EV
On Apr 7, 2015, at 4:57 PM, Peri Hartman via EV wrote: > Your needs may differ but, for me, unequivocally the charge time is more > important. I'm not discounting the importance of charge time. It's just my understanding that the batteries today aren't the limiting factor in charging. Actually

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread EVDL Administrator via EV
On 7 Apr 2015 at 16:50, Ben Goren via EV wrote: > and a 1-minute *dischargeable* battery. That's probably an even bigger deal > than the charge time. The only person I can imagine who might think that a one-minute discharge is a big deal is a drag racer. The rest of us generally want to drive o

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Peri Hartman via EV
al Message -- From: "Ben Goren via EV" To: "Cor van de Water" ; "Electric Vehicle Discussion List" Sent: 07-Apr-15 4:50:26 PM Subject: Re: [EVDL] Aluminum battery from Stanford On Apr 7, 2015, at 4:25 PM, Cor van de Water via EV wrote: Time will tell if we soon wi

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Goren via EV
On Apr 7, 2015, at 4:25 PM, Cor van de Water via EV wrote: > Time will tell if we soon will have a 1-minute rechargeable battery ...and a 1-minute *dischargeable* battery. That's probably an even bigger deal than the charge time. Right now, charging times seem to be limited on all sorts of

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Bill Dennis via EV
David wrote: >>...though perhaps you might have been more skeptical. ;-) David, Typical aluminum-air cells have a power density of around 60-70 W/kg, so 40 W/kg didn't seem out of line. To the contrary, it's the 3000 W/kg number that seems awfully high. Bill ___

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
prohibited. -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Bill Dennis via EV Sent: Tuesday, April 07, 2015 4:10 PM To: 'Electric Vehicle Discussion List' Subject: Re: [EVDL] Aluminum battery from Stanford Cor wrote: > Who do you tru

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Bill Dennis via EV
Cor wrote: > Who do you trust... http://arstechnica.com/science/2015/04/flexible-aluminum-battery-charges-fas t-stable-for-over-7000-cycles/ -- "But the fact that aluminum atoms only transferred a single electron when they transited to the cathode is really not taking full advantage of

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Goren via EV
r van de Water via > EV > Sent: Tuesday, April 07, 2015 3:53 PM > To: Electric Vehicle Discussion List > Subject: Re: [EVDL] Aluminum battery from Stanford > > I do not have a Nature subscription > but I looked at the abstract again and noticed the pictures underneath. > Click on t

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de Water via EV Sent: Tuesday, April 07, 2015 3:53 PM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Aluminum battery from Stanford I do not have a Nature subscription but I looked at the abstract again and noticed the pictures

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
battery from Stanford On Apr 7, 2015, at 3:44 PM, Cor van de Water via EV wrote: > the electrolyte is not specified other than the phrase "intercalation of > chloroaluminate anions in the graphite" I see that in the abstract...is that what you're referring to, or do you h

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Goren via EV
On Apr 7, 2015, at 3:44 PM, Cor van de Water via EV wrote: > the electrolyte is not specified other than the phrase "intercalation of > chloroaluminate anions in the graphite" I see that in the abstract...is that what you're referring to, or do you have the full article? I've asked a friend w

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
ter via EV Sent: Tuesday, April 07, 2015 3:44 PM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Aluminum battery from Stanford Ben, the electrolyte is not specified other than the phrase "intercalation of chloroaluminate anions in the graphite" Cor van de Water Chief Scien

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
rt of this message is prohibited. -Original Message- From: Ben Goren [mailto:b...@trumpetpower.com] Sent: Tuesday, April 07, 2015 3:40 PM To: Cor van de Water; Electric Vehicle Discussion List Subject: Re: [EVDL] Aluminum battery from Stanford If I have the back of the envelope right...if you

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread EVDL Administrator via EV
On 7 Apr 2015 at 16:34, Bill Dennis via EV wrote: > Here's the URL to the article I quoted, plus the paragraph from the article > itself: I see the problem. Not your fault, though perhaps you might have been more skeptical. ;-) It looks like the news release's writer was either carelss or tech

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Goren via EV
boun...@lists.evdl.org] On Behalf Of Bill Dennis via EV > Sent: Tuesday, April 07, 2015 2:59 PM > To: 'Electric Vehicle Discussion List' > Subject: Re: [EVDL] Aluminum battery from Stanford > > Their current version of the battery has only 40 watts of electricity per >

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
ssion List Subject: Re: [EVDL] Aluminum battery from Stanford Who do you trust - Nature or this gatget article that has no clue that electricity is not stored in Watts but in Watt hours... Cor van de Water Chief Scientist Proxim Wireless office +1 408 383 7626 Skype: cor_van_de_water

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
this message is prohibited. -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Bill Dennis via EV Sent: Tuesday, April 07, 2015 3:34 PM To: 'Electric Vehicle Discussion List' Subject: Re: [EVDL] Aluminum battery from Stanford Here's the URL to the a

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread EVDL Administrator via EV
On 7 Apr 2015 at 15:59, Bill Dennis via EV wrote: > Their current version of the battery has only 40 watts of electricity per > kilogram compared to lithium's 100 to 206 W/kg power density You can't compare Watts/kg with Watt-hours/kg. That's like comparing horsepower to gallons. David Roden -

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Bill Dennis via EV
kilogram compared to lithium's 100 to 206 W/kg power density." Bill -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de Water via EV Sent: Tuesday, April 7, 2015 4:29 PM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Aluminum batter

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Cor van de Water via EV
disclosure, distribution, or copying of any part of this message is prohibited. -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Bill Dennis via EV Sent: Tuesday, April 07, 2015 2:59 PM To: 'Electric Vehicle Discussion List' Subject: Re: [EVDL] Aluminum b

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Peri Hartman via EV
; To: "Peter Gabrielsson" ; "Electric Vehicle Discussion List" Sent: 07-Apr-15 3:12:55 PM Subject: Re: [EVDL] Aluminum battery from Stanford Indeed...I just checked the abstract and it cites 70 mAh/g. It's an unfair comparison because of all the extra hardware from the box and

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Bill Dennis via EV
; Electric Vehicle Discussion List Subject: Re: [EVDL] Aluminum battery from Stanford You may be confusing power and energy On Apr 7, 2015 2:59 PM, "Bill Dennis via EV" wrote: Their current version of the battery has only 40 watts of electricity per kilogram compared to lithium's

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Ben Goren via EV
Indeed...I just checked the abstract and it cites 70 mAh/g. It's an unfair comparison because of all the extra hardware from the box and what-not, but a CALB 180 Ah battery weighs 5.6 kg, which works out to 32 mAh/g. That they're in the same order of magnitude tells me this may well be competiti

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Bill Dennis via EV
abrielsson [mailto:peter.gabriels...@gmail.com] Sent: Tuesday, April 7, 2015 4:03 PM To: Bill Dennis; Electric Vehicle Discussion List Subject: Re: [EVDL] Aluminum battery from Stanford You may be confusing power and energy On Apr 7, 2015 2:59 PM, "Bill Dennis via EV" wrote: Their cu

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Peter Gabrielsson via EV
t the same power. That might get better as they improve > the cells, of course. > > Bill > > -Original Message- > From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ben Goren via EV > Sent: Tuesday, April 7, 2015 2:11 PM > To: Electric Vehicle Discussion List &g

Re: [EVDL] Aluminum battery from Stanford

2015-04-07 Thread Bill Dennis via EV
- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ben Goren via EV Sent: Tuesday, April 7, 2015 2:11 PM To: Electric Vehicle Discussion List Subject: [EVDL] Aluminum battery from Stanford offers safe alternative to conventional batteries Does anybody know any more about this resea

Re: [EVDL] Aluminum battery from Stanford offers safe alternative to conventional batteries

2015-04-07 Thread Peter Gabrielsson via EV
It sure looks interesting, more information here: http://www.nature.com/nature/journal/vaop/ncurrent/full/nature14340.html If I did the math correctly it seems like it's in the 120-140 wh/kg range. Certainly usable for EVs. Hopefully it makes it out of the lab. On Tue, Apr 7, 2015 at 1:11 PM, B

[EVDL] Aluminum battery from Stanford offers safe alternative to conventional batteries

2015-04-07 Thread Ben Goren via EV
Does anybody know any more about this research? http://news.stanford.edu/news/2015/march/aluminum-ion-battery-033115.html Aluminum anode; graphite cathode. Unspecified salt for the electrolyte. It's only about two volts. The rest of the specs are vague...nothing at all about capacity. They cla