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Emerging battery techs slowly entering mainstream

6/18/2012 04:18 PM EDT
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Bert22306
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re: Emerging battery techs slowly entering mainstream
Bert22306   6/18/2012 7:10:09 PM
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It seems to me that there's a market for adjustable, possibly software controlled, battery chargers? Rather than creating this long lag from the time the battery technolgy becomes available and the time these batteries can be used extensively in real systems.

PJames
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PJames   6/18/2012 8:03:32 PM
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"Projects like converting vehicles from internal combustion engines to electric drives are demonstrating the commercial viability of emerging battery technologies," How does spending $15k to convert a vehicle demonstrate commercial viability?

Blutarsky
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Blutarsky   6/19/2012 11:24:20 AM
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80% renewable by 2050? Only if we have successfully been reduced to a third-rate economy, as the greenies would like us to be. Rather, we will hopefully have outgrown our juvenile obsession with CO2, and be harvesting our vast hydrocarbon fuel resources, which have thus far propelled our economy and standard of living, with all the benefits to health and the environment that comes with such bounty.

jaybus0
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jaybus0   6/19/2012 1:07:53 PM
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80% renewable by 2050? I doubt it. As of 2011, US electrical generation by source was 42.2% coal, 25.0% gas, 19.2% nuclear, 7.8% hydro, 5.0% renewables, and 0.8% oil. Hydro will not grow much, as there are already dams at every viable location. To expect a 16x increase in production from renewables is likely a pipe dream. And that is not even considering the additional generation capacity needed to support replacing gasoline cars with EVs. Anticipating vast increases in battery capacity, leaps in photovoltaic efficiency, etc. just isn’t logical. Less than 1% of oil is used for electrical generation. Almost all of it is used as fuel for cars and trucks. Renewables currently generate about half a TWh per day, a tiny fraction of the energy from oil consumed. If EVs are the goal, then we had better start building some nuclear reactors.

jeremybirch
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jeremybirch   6/19/2012 3:57:13 PM
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"juvenile" - really? I would have said that believing we can extract all our future energy needs from a finite and dwindling resource is far worse than juvenile. The US reached peak pil in the 1970's, the world as a whole reaches peak oil somewhere between 2010 and 2020. You can make do with fracked gas and other costly alternatives for a bit, but in the end finite fuel sources (and the finite ability for the natural environment to sink CO2) will catch up with us. So - do we wait until all this comes to pass before changing course, or do we do the wise thing and change while we still have relatively cheap fuel to help us make that change?

R0ckstar
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R0ckstar   6/19/2012 6:25:14 PM
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80% renewables by 2050 sounds ridiculous unless all our other energy sources peter out by then and it's the only thing left giving us a fraction of the energy we're producing today. Love it or hate it, nuclear is the only clean and practical source that is going to be able to deliver energy in the quantities projected to be needed in the future. It's either that, or saddle up.

old account Frank Eory
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old account Frank Eory   6/19/2012 8:03:14 PM
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"A key enabling technology...the study found, was improved grid storage." At what cost? Another key enabling technology would be practical, commercially viable nuclear fusion. Hey, if you're going to dream, go big.

PJames
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PJames   6/19/2012 10:32:02 PM
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Don't forget to burn down all the forests while your at it. We as scientists/engineers know that if something produces a positive result when done at a particular scale and during a particular time, it must produce the same result at any scale and for an infinitely long period of time. That's the 3rd law of the famous scientist, Lord Makebelieve.

PJames
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re: Emerging battery techs slowly entering mainstream
PJames   6/19/2012 10:34:43 PM
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Fukishima probably set that back by a decade.

jaybus0
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re: Emerging battery techs slowly entering mainstream
jaybus0   6/20/2012 11:35:12 AM
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I agree with your reasoning regarding finite fuel sources, but I see no evidence to suggest that they can be replaced with renewables, in that most people think of renewables as solar, wind, and geothermal. There is evidence, however, that nuclear reactors, and in particular liquid fluoride thorium reactors, could scale to meet energy needs for at least tens of thousands of years. LFTRs have low pressure passively safe cores, can burn waste from light water reactors as fuel, and makes it extremely difficult to produce bomb grade materials. Shouldn't we be focusing research funding on nuclear, since it has a far greater chance of actually supplying the needed energy?

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