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Re: New design points a path to the 'ultimate' battery

From jimp@specsol.spam.sux.com
Newsgroups sci.physics
Subject Re: New design points a path to the 'ultimate' battery
Date 2015-10-29 21:29 +0000
Organization A noiseless patient Spider
Message-ID <rmfagc-03q.ln1@mail.specsol.com> (permalink)
References <GuOdnTf0eeTKGq_LnZ2dnUU7-KmdnZ2d@giganews.com>

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Sam Wormley <swormley1@gmail.com> wrote:
> New design points a path to the 'ultimate' battery
>> http://phys.org/news/2015-10-path-ultimate-battery.html
> 
> 
>> Scientists have developed a working laboratory demonstrator of a
>> lithium-oxygen battery which has very high energy density, is more
>> than 90% efficient, and, to date, can be recharged more than 2000
>> times, showing how several of the problems holding back the
>> development of these devices could be solved.

Summary: We might have something here, maybe.

>> Lithium-oxygen, or lithium-air, batteries have been touted as the
>> 'ultimate' battery due to their theoretical energy density, which is
>> ten times that of a lithium-ion battery. Such a high energy density
>> would be comparable to that of gasoline - and would enable an
>> electric car with a battery that is a fifth the cost and a fifth the
>> weight of those currently on the market to drive from London to
>> Edinburgh on a single charge.

Summary: We need better batteries.

>> However, as is the case with other next-generation batteries, there
>> are several practical challenges that need to be addressed before
>> lithium-air batteries become a viable alternative to gasoline.

Summary: We can't make it work in a real world production environment.

>> Now, researchers from the University of Cambridge have demonstrated
>> how some of these obstacles may be overcome, and developed a
>> lab-based demonstrator of a lithium-oxygen battery which has higher
>> capacity, increased energy efficiency and improved stability over
>> previous attempts.

Summary: We built yet another battery in the lab that may or may not
be practical.


-- 
Jim Pennino

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Thread

New design points a path to the 'ultimate' battery Sam Wormley <swormley1@gmail.com> - 2015-10-29 15:53 -0500
  Re: New design points a path to the 'ultimate' battery jimp@specsol.spam.sux.com - 2015-10-29 21:29 +0000
  Re: New design points a path to the 'ultimate' battery Bobby Sifuentes <bobsif@academicinstitute.org> - 2015-10-29 21:33 +0000
    Re: New design points a path to the 'ultimate' battery Bobby Sifuentes <bobsif@academicinstitute.org> - 2015-10-29 21:40 +0000

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