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Battery capable of charging in 30 seconds
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Old 08-04-2014, 15:33   #1
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Battery capable of charging in 30 seconds

Pity they didn't mention its capacity.
Quote:
A battery that can charge in under 30 seconds has been shown off at a technology conference in Tel Aviv.

Israeli start-up StoreDot displayed the device - made of biological structures - at Microsoft's Think Next Conference.

A Samsung S4 smartphone went from a dead battery to full power in 26 seconds in the demonstration.
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Old 08-04-2014, 17:19   #2
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Re: Battery capable of charging in 30 seconds

There's a new open channel Lithium cell in testing. It charges just as fast.
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Old 08-04-2014, 23:19   #3
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Re: Battery capable of charging in 30 seconds

So what's the actual capacity of the battery? It's not hard to charge a battery with 1% the capacity of the original in 1% of the time.

If you tried pumping the standard battery's 10 watt-hours into a Samsung S4 smatphone in 26 seconds regardless of the battery you would probably set it on fire.
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Old 09-04-2014, 09:19   #4
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Re: Battery capable of charging in 30 seconds

Quote:
Originally Posted by qasdfdsaq View Post
So what's the actual capacity of the battery? It's not hard to charge a battery with 1% the capacity of the original in 1% of the time.

If you tried pumping the standard battery's 10 watt-hours into a Samsung S4 smatphone in 26 seconds regardless of the battery you would probably set it on fire.
Time has a little more detail.

Basically, the battery is a lower capacity than the standard battery, the charger is currently twice as expensive and huge and the battery needs a considerably higher current to charge than the standard, so the phone needs to be modified.

Still, they are targeting late 2016 for a launch, so they may be able to iron out those problems.
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Old 09-04-2014, 13:02   #5
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Re: Battery capable of charging in 30 seconds

I'd sooner have a battery that lasts 30x longer personally...
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Old 09-04-2014, 14:05   #6
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Re: Battery capable of charging in 30 seconds

Where something like that would sell is electric cars. Imagine being able to "fill" in minutes. Would still want a bigger range though.
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Old 09-04-2014, 14:11   #7
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Re: Battery capable of charging in 30 seconds

Agreed range & refuel time are the two biggest issues with 'leccy cars
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Old 09-04-2014, 18:59   #8
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Re: Battery capable of charging in 30 seconds

Quote:
Originally Posted by Stuart View Post
Time has a little more detail.

Basically, the battery is a lower capacity than the standard battery, the charger is currently twice as expensive and huge and the battery needs a considerably higher current to charge than the standard, so the phone needs to be modified.

Still, they are targeting late 2016 for a launch, so they may be able to iron out those problems.
Ah, thanks. Yeah I was pretty sure phone modifications would be necessary but just how much was the curious part. Even half the capacity of the original phone battery (1.3 amp-hours) would require a current of over 150 amps to charge in that time, even assuming 100% efficiency.

---------- Post added at 18:58 ---------- Previous post was at 18:58 ----------

Quote:
Originally Posted by techguyone View Post
I'd sooner have a battery that lasts 30x longer personally...
Well if you can charge it to full in less than a minute, then you can practically recharge it several times a day... Helps as bit IMO.

---------- Post added at 18:59 ---------- Previous post was at 18:58 ----------

Quote:
Originally Posted by heero_yuy View Post
The currents involved are frightening: If you were recharging a 200AH vehicle battery for example in an hour that takes 200+ amps, make it a minute and it's 12,000 amps! You'd struggle to lift the cable and just think of the size of the plug.
It's not that bad. These cables take 50,000 amps and aren't much thicker than a petrol hose.
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Old 09-04-2014, 22:44   #9
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Re: Battery capable of charging in 30 seconds

But A) you already handle cables of that size every time you pick up a petrol hose, and B) cables required for 12,000 amps would be much smaller.
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Old 10-04-2014, 10:16   #10
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Re: Battery capable of charging in 30 seconds

Quote:
Originally Posted by qasdfdsaq View Post
Well if you can charge it to full in less than a minute, then you can practically recharge it several times a day... Helps as bit IMO.
Yes it all helps, though if I'm at a place without a power point, I'd still prefer the longer life given the choice
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Old 10-04-2014, 11:54   #11
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Re: Battery capable of charging in 30 seconds

12,000 amps at what voltage? Low voltage = thick cables, high voltage = thin cables. But then again: low voltage = thin insulation, high voltage = thick insulation.
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